Commit | Line | Data |
---|---|---|
29489e7c DM |
1 | DAPM 4/2004. |
2 | ||
3 | Test the appearance of variable names in "Use of uninitialized value" | |
4 | warnings. | |
5 | ||
6 | The following ops aren't tested, mainly because they do IO or non-portable | |
7 | stuff: | |
8 | ||
9 | send recv bind conect listen accept shutdown chdir chown chroot unlink | |
10 | chmod utime rename link symlink readlink mkdir rmdir opendir seekdir | |
11 | system exec kill getpgrp alarm sleep dofile require gethostbyname | |
12 | gethostbyaddr getnetbyname getnetbyaddr getprotobyname getprotobynumber | |
13 | getservbyname getservbyport sethostent setnetent setprotoent setservent | |
14 | getpwnam getpwuid getgrnam getgrgid waitpid setpgrp setpriority | |
15 | getpriority syscall dbmopen ioctl fcntl truncate getsockopt setsockopt | |
16 | semctl semop semget msgget msgctl msgsnd msgrcv shmget shmctl shmread | |
17 | shmwrite | |
18 | ||
19 | --------------------------------------------------- | |
20 | ||
21 | ||
22 | __END__ | |
23 | use warnings 'uninitialized'; | |
24 | my ($m1, $m2, $v); | |
25 | ||
26 | $v = $m1 + 10; | |
27 | $v = 22 + $m2; | |
28 | $v = $m1 + $m2; | |
29 | EXPECT | |
30 | Use of uninitialized value $m1 in addition (+) at - line 4. | |
31 | Use of uninitialized value $m2 in addition (+) at - line 5. | |
32 | Use of uninitialized value $m2 in addition (+) at - line 6. | |
33 | Use of uninitialized value $m1 in addition (+) at - line 6. | |
34 | ######## | |
35 | use warnings 'uninitialized'; | |
fef7e7a0 BF |
36 | use utf8; |
37 | use open qw( :utf8 :std ); | |
38 | ||
39 | $v = $à1 + 10; | |
40 | $v = 22 + $a2; | |
41 | $v = $à1 + $a2; | |
42 | EXPECT | |
43 | Use of uninitialized value $à1 in addition (+) at - line 5. | |
44 | Use of uninitialized value $a2 in addition (+) at - line 6. | |
45 | Use of uninitialized value $a2 in addition (+) at - line 7. | |
46 | Use of uninitialized value $à1 in addition (+) at - line 7. | |
47 | ######## | |
48 | use warnings 'uninitialized'; | |
29489e7c DM |
49 | my ($m1, $v); |
50 | our ($g1, $g2); | |
51 | ||
52 | $v = $g1 + 21; | |
53 | $v = 31 + $g2; | |
54 | $v = $g1 + $g2; | |
55 | $v = $m1 + $g2; | |
56 | EXPECT | |
57 | Use of uninitialized value $g1 in addition (+) at - line 5. | |
58 | Use of uninitialized value $g2 in addition (+) at - line 6. | |
59 | Use of uninitialized value $g2 in addition (+) at - line 7. | |
60 | Use of uninitialized value $g1 in addition (+) at - line 7. | |
61 | Use of uninitialized value $g2 in addition (+) at - line 8. | |
62 | Use of uninitialized value $m1 in addition (+) at - line 8. | |
63 | ######## | |
64 | use warnings 'uninitialized'; | |
65 | my ($m1, @ma, $v); | |
66 | ||
67 | $v = $ma[5] + 45; | |
68 | $v = 56 + $ma[6]; | |
69 | $v = $ma[7] + $m1; | |
70 | $v = $ma[8] + $ma[9]; | |
71 | $v = $ma[-1] + $ma[-2]; | |
72 | EXPECT | |
73 | Use of uninitialized value $ma[5] in addition (+) at - line 4. | |
74 | Use of uninitialized value $ma[6] in addition (+) at - line 5. | |
75 | Use of uninitialized value $m1 in addition (+) at - line 6. | |
76 | Use of uninitialized value in addition (+) at - line 6. | |
77 | Use of uninitialized value in addition (+) at - line 7. | |
78 | Use of uninitialized value in addition (+) at - line 7. | |
79 | Use of uninitialized value in addition (+) at - line 8. | |
80 | Use of uninitialized value in addition (+) at - line 8. | |
81 | ######## | |
82 | use warnings 'uninitialized'; | |
83 | my ($v); | |
84 | my @mau = (undef) x 258; | |
85 | my %mhu = ('foo', undef, 'bar', undef); | |
86 | ||
87 | $v = $mau[5] + 23; | |
88 | $v = $mau[-5] + 45; | |
89 | $v = 56 + $mau[6]; | |
90 | $v = 78 + $mau[-6]; | |
91 | $v = $mau[7] + $mau[8]; | |
92 | $v = $mau[256] + $mau[257]; | |
93 | $v = $mau[-1] + $mau[-2]; | |
94 | $v = $mhu{foo} + $mhu{bar}; | |
95 | EXPECT | |
96 | Use of uninitialized value $mau[5] in addition (+) at - line 6. | |
97 | Use of uninitialized value $mau[-5] in addition (+) at - line 7. | |
98 | Use of uninitialized value $mau[6] in addition (+) at - line 8. | |
99 | Use of uninitialized value $mau[-6] in addition (+) at - line 9. | |
100 | Use of uninitialized value $mau[8] in addition (+) at - line 10. | |
101 | Use of uninitialized value $mau[7] in addition (+) at - line 10. | |
102 | Use of uninitialized value $mau[257] in addition (+) at - line 11. | |
103 | Use of uninitialized value $mau[256] in addition (+) at - line 11. | |
104 | Use of uninitialized value $mau[-2] in addition (+) at - line 12. | |
105 | Use of uninitialized value $mau[-1] in addition (+) at - line 12. | |
106 | Use of uninitialized value $mhu{"bar"} in addition (+) at - line 13. | |
107 | Use of uninitialized value $mhu{"foo"} in addition (+) at - line 13. | |
108 | ######## | |
109 | use warnings 'uninitialized'; | |
110 | my ($v); | |
111 | our (@ga); | |
112 | ||
113 | $v = $ga[8] + 21; | |
114 | $v = $ga[-8] + 46; | |
115 | $v = 57 + $ga[9]; | |
116 | $v = 58 + $ga[-9]; | |
117 | $v = $ga[10] + $ga[11]; | |
118 | $v = $ga[-10] + $ga[-11]; | |
119 | EXPECT | |
120 | Use of uninitialized value $ga[8] in addition (+) at - line 5. | |
121 | Use of uninitialized value $ga[-8] in addition (+) at - line 6. | |
122 | Use of uninitialized value $ga[9] in addition (+) at - line 7. | |
123 | Use of uninitialized value $ga[-9] in addition (+) at - line 8. | |
124 | Use of uninitialized value in addition (+) at - line 9. | |
125 | Use of uninitialized value in addition (+) at - line 9. | |
126 | Use of uninitialized value in addition (+) at - line 10. | |
127 | Use of uninitialized value in addition (+) at - line 10. | |
128 | ######## | |
129 | use warnings 'uninitialized'; | |
130 | my ($v); | |
131 | our @gau = (undef) x 258; | |
132 | our %ghu = ('foo', undef, 'bar', undef); | |
133 | ||
134 | $v = $gau[8] + 46; | |
135 | $v = $gau[-8] + 47; | |
136 | $v = 57 + $gau[9]; | |
137 | $v = 57 + $gau[-9]; | |
138 | $v = $gau[10] + $gau[11]; | |
139 | $v = $gau[256] + $gau[257]; | |
140 | $v = $gau[-1] + $gau[-2]; | |
141 | $v = $ghu{foo} + $ghu{bar}; | |
142 | EXPECT | |
143 | Use of uninitialized value $gau[8] in addition (+) at - line 6. | |
144 | Use of uninitialized value $gau[-8] in addition (+) at - line 7. | |
145 | Use of uninitialized value $gau[9] in addition (+) at - line 8. | |
146 | Use of uninitialized value $gau[-9] in addition (+) at - line 9. | |
147 | Use of uninitialized value $gau[11] in addition (+) at - line 10. | |
148 | Use of uninitialized value $gau[10] in addition (+) at - line 10. | |
149 | Use of uninitialized value $gau[257] in addition (+) at - line 11. | |
150 | Use of uninitialized value $gau[256] in addition (+) at - line 11. | |
151 | Use of uninitialized value $gau[-2] in addition (+) at - line 12. | |
152 | Use of uninitialized value $gau[-1] in addition (+) at - line 12. | |
153 | Use of uninitialized value $ghu{"bar"} in addition (+) at - line 13. | |
154 | Use of uninitialized value $ghu{"foo"} in addition (+) at - line 13. | |
155 | ######## | |
156 | use warnings 'uninitialized'; | |
157 | my ($v); | |
158 | our @gau = (undef) x 258; | |
159 | our %ghu = ('foo', undef, 'bar', undef); | |
160 | my @mau = (undef) x 258; | |
161 | my %mhu = ('foo', undef, 'bar', undef); | |
162 | ||
163 | my $i1 = 10; | |
164 | my $i2 = 20; | |
165 | my $i3 = 2000; | |
166 | my $k1 = 'foo'; | |
167 | my $k2 = 'bar'; | |
168 | my $k3 = 'baz'; | |
169 | $v = $mau[$i1] + $mau[$i2]; | |
170 | $v = $gau[$i1] + $gau[$i2]; | |
171 | $v = $gau[$i1] + $gau[$i3]; | |
172 | $v = $mhu{$k1} + $mhu{$k2}; | |
173 | $v = $ghu{$k1} + $ghu{$k2}; | |
174 | $v = $ghu{$k1} + $ghu{$k3}; | |
175 | EXPECT | |
176 | Use of uninitialized value $mau[20] in addition (+) at - line 14. | |
177 | Use of uninitialized value $mau[10] in addition (+) at - line 14. | |
178 | Use of uninitialized value $gau[20] in addition (+) at - line 15. | |
179 | Use of uninitialized value $gau[10] in addition (+) at - line 15. | |
180 | Use of uninitialized value in addition (+) at - line 16. | |
181 | Use of uninitialized value $gau[10] in addition (+) at - line 16. | |
182 | Use of uninitialized value $mhu{"bar"} in addition (+) at - line 17. | |
183 | Use of uninitialized value $mhu{"foo"} in addition (+) at - line 17. | |
184 | Use of uninitialized value $ghu{"bar"} in addition (+) at - line 18. | |
185 | Use of uninitialized value $ghu{"foo"} in addition (+) at - line 18. | |
186 | Use of uninitialized value in addition (+) at - line 19. | |
187 | Use of uninitialized value $ghu{"foo"} in addition (+) at - line 19. | |
188 | ######## | |
189 | use warnings 'uninitialized'; | |
190 | my ($m1, $m2, @ma, %mh, $v); | |
191 | our ($g1, $g2, @ga, %gh); | |
192 | ||
193 | $v = $ma[$m1]; | |
194 | $v = $ma[$g1]; | |
195 | $v = $ga[$m2]; | |
196 | $v = $ga[$g2]; | |
197 | ||
198 | $v = $mh{$m1}; | |
199 | $v = $mh{$g1}; | |
200 | $v = $gh{$m2}; | |
201 | $v = $gh{$g2}; | |
202 | ||
203 | $v = $m1+($m2-$g1); | |
204 | $v = $ma[$ga[3]]; | |
205 | $v = $ga[$ma[4]]; | |
206 | EXPECT | |
207 | Use of uninitialized value $m1 in array element at - line 5. | |
208 | Use of uninitialized value $g1 in array element at - line 6. | |
209 | Use of uninitialized value $m2 in array element at - line 7. | |
210 | Use of uninitialized value $g2 in array element at - line 8. | |
211 | Use of uninitialized value $m1 in hash element at - line 10. | |
212 | Use of uninitialized value $g1 in hash element at - line 11. | |
213 | Use of uninitialized value $m2 in hash element at - line 12. | |
214 | Use of uninitialized value $g2 in hash element at - line 13. | |
215 | Use of uninitialized value $g1 in subtraction (-) at - line 15. | |
216 | Use of uninitialized value $m2 in subtraction (-) at - line 15. | |
217 | Use of uninitialized value $m1 in addition (+) at - line 15. | |
218 | Use of uninitialized value $ga[3] in array element at - line 16. | |
219 | Use of uninitialized value $ma[4] in array element at - line 17. | |
220 | ######## | |
221 | use warnings 'uninitialized'; | |
222 | my (@ma, %mh, $v); | |
223 | our (@ga, %gh); | |
224 | ||
225 | $v = sin $ga[1000]; | |
226 | $v = sin $ma[1000]; | |
227 | $v = sin $gh{foo}; | |
228 | $v = sin $mh{bar}; | |
229 | ||
230 | $v = sin $ga[$$]; | |
231 | $v = sin $ma[$$]; | |
232 | $v = sin $gh{$$}; | |
233 | $v = sin $mh{$$}; | |
234 | EXPECT | |
235 | Use of uninitialized value $ga[1000] in sin at - line 5. | |
236 | Use of uninitialized value $ma[1000] in sin at - line 6. | |
237 | Use of uninitialized value $gh{"foo"} in sin at - line 7. | |
238 | Use of uninitialized value $mh{"bar"} in sin at - line 8. | |
239 | Use of uninitialized value within @ga in sin at - line 10. | |
240 | Use of uninitialized value within @ma in sin at - line 11. | |
241 | Use of uninitialized value within %gh in sin at - line 12. | |
242 | Use of uninitialized value within %mh in sin at - line 13. | |
243 | ######## | |
244 | use warnings 'uninitialized'; | |
245 | my (@mat, %mht, $v); | |
246 | sub X::TIEARRAY { bless [], 'X' } | |
247 | sub X::TIEHASH { bless [], 'X' } | |
248 | sub X::FETCH { undef } | |
249 | tie @mat, 'X'; | |
250 | tie %mht, 'X'; | |
251 | my $key1 = 'akey'; | |
252 | my $key2 = 'bkey'; | |
253 | my $index1 = 33; | |
254 | my $index2 = 55; | |
255 | ||
256 | $v = sin $mat[0]; | |
257 | $v = $mat[0] + $mat[1]; | |
258 | $v = sin $mat[1000]; | |
259 | $v = $mat[1000] + $mat[1001]; | |
260 | ||
261 | $v = sin $mat[$index1]; | |
262 | $v = $mat[$index1] + $mat[$index2]; | |
263 | ||
264 | $v = sin $mht{foo}; | |
265 | $v = $mht{foo} + $mht{bar}; | |
266 | ||
267 | $v = sin $mht{$key1}; | |
268 | $v = $mht{$key1} + $mht{$key2}; | |
269 | ||
270 | $v = $1+1; | |
271 | EXPECT | |
272 | Use of uninitialized value $mat[0] in sin at - line 13. | |
273 | Use of uninitialized value in addition (+) at - line 14. | |
274 | Use of uninitialized value in addition (+) at - line 14. | |
275 | Use of uninitialized value $mat[1000] in sin at - line 15. | |
276 | Use of uninitialized value in addition (+) at - line 16. | |
277 | Use of uninitialized value in addition (+) at - line 16. | |
278 | Use of uninitialized value within @mat in sin at - line 18. | |
279 | Use of uninitialized value in addition (+) at - line 19. | |
280 | Use of uninitialized value in addition (+) at - line 19. | |
281 | Use of uninitialized value $mht{"foo"} in sin at - line 21. | |
282 | Use of uninitialized value in addition (+) at - line 22. | |
283 | Use of uninitialized value in addition (+) at - line 22. | |
284 | Use of uninitialized value within %mht in sin at - line 24. | |
285 | Use of uninitialized value in addition (+) at - line 25. | |
286 | Use of uninitialized value in addition (+) at - line 25. | |
287 | Use of uninitialized value $1 in addition (+) at - line 27. | |
288 | ######## | |
289 | use warnings 'uninitialized'; | |
290 | my ($m1); | |
291 | our ($g1, @ga); | |
292 | ||
293 | print $ga[1000]; | |
294 | print STDERR $ga[1000]; | |
295 | print STDERR $m1, $g1, $ga[1],$m2; | |
296 | print STDERR "", $ga[1],""; | |
297 | EXPECT | |
fa8d1836 DM |
298 | Use of uninitialized value in print at - line 5. |
299 | Use of uninitialized value in print at - line 6. | |
29489e7c DM |
300 | Use of uninitialized value $m1 in print at - line 7. |
301 | Use of uninitialized value $g1 in print at - line 7. | |
302 | Use of uninitialized value in print at - line 7. | |
303 | Use of uninitialized value $m2 in print at - line 7. | |
fa8d1836 | 304 | Use of uninitialized value in print at - line 8. |
29489e7c DM |
305 | ######## |
306 | use warnings 'uninitialized'; | |
307 | my ($m1); | |
308 | our ($g1); | |
309 | ||
310 | close $m1; # exercises rv2gv | |
311 | close $g1; # exercises rv2gv | |
ed996e63 | 312 | close undef; # exercises rv2gv |
29489e7c DM |
313 | EXPECT |
314 | Use of uninitialized value $m1 in ref-to-glob cast at - line 5. | |
315 | Use of uninitialized value $g1 in ref-to-glob cast at - line 6. | |
ed996e63 | 316 | Use of uninitialized value in ref-to-glob cast at - line 7. |
29489e7c DM |
317 | ######## |
318 | use warnings 'uninitialized'; | |
319 | my ($m1, $m2, $v); | |
320 | our ($g1, $g2); | |
321 | ||
322 | $v = $$m1; | |
323 | $v = $$g1; | |
324 | ||
325 | $v = @$m1; | |
326 | $v = @$g1; | |
327 | $v = %$m2; | |
328 | $v = %$g2; | |
e21bd382 DM |
329 | |
330 | $v = ${"foo.bar"}+1; | |
331 | $v = ${"foo$m1"}+1; | |
332 | $v = ${"foo$g1"}+1; | |
29489e7c DM |
333 | EXPECT |
334 | Use of uninitialized value $m1 in scalar dereference at - line 5. | |
335 | Use of uninitialized value $g1 in scalar dereference at - line 6. | |
336 | Use of uninitialized value $m1 in array dereference at - line 8. | |
337 | Use of uninitialized value $g1 in array dereference at - line 9. | |
338 | Use of uninitialized value $m2 in hash dereference at - line 10. | |
339 | Use of uninitialized value $g2 in hash dereference at - line 11. | |
e21bd382 DM |
340 | Use of uninitialized value in addition (+) at - line 13. |
341 | Use of uninitialized value $m1 in concatenation (.) or string at - line 14. | |
342 | Use of uninitialized value in addition (+) at - line 14. | |
343 | Use of uninitialized value $g1 in concatenation (.) or string at - line 15. | |
344 | Use of uninitialized value in addition (+) at - line 15. | |
29489e7c DM |
345 | ######## |
346 | use warnings 'uninitialized'; | |
347 | my ($m1, $v); | |
348 | our ($g1); | |
349 | ||
350 | $v = $m1 | $m2; | |
351 | $v = $m1 & $m2; | |
352 | $v = $m1 ^ $m2; | |
353 | $v = ~$m1; | |
354 | ||
355 | $v = $g1 | $g2; | |
356 | $v = $g1 & $g2; | |
357 | $v = $g1 ^ $g2; | |
358 | $v = ~$g1; | |
359 | EXPECT | |
360 | Use of uninitialized value $m1 in bitwise or (|) at - line 5. | |
361 | Use of uninitialized value $m2 in bitwise or (|) at - line 5. | |
362 | Use of uninitialized value $m1 in bitwise and (&) at - line 6. | |
363 | Use of uninitialized value $m2 in bitwise and (&) at - line 6. | |
364 | Use of uninitialized value $m1 in bitwise xor (^) at - line 7. | |
365 | Use of uninitialized value $m2 in bitwise xor (^) at - line 7. | |
366 | Use of uninitialized value $m1 in 1's complement (~) at - line 8. | |
367 | Use of uninitialized value $g1 in bitwise or (|) at - line 10. | |
368 | Use of uninitialized value $g2 in bitwise or (|) at - line 10. | |
369 | Use of uninitialized value $g1 in bitwise and (&) at - line 11. | |
370 | Use of uninitialized value $g2 in bitwise and (&) at - line 11. | |
371 | Use of uninitialized value $g1 in bitwise xor (^) at - line 12. | |
372 | Use of uninitialized value $g2 in bitwise xor (^) at - line 12. | |
373 | Use of uninitialized value $g1 in 1's complement (~) at - line 13. | |
374 | ######## | |
375 | use warnings 'uninitialized'; | |
376 | my ($v); | |
377 | ||
378 | my $tmp1; $v = $tmp1++; # (doesn't warn) | |
379 | our $tmp2; $v = $tmp2++; # (doesn't warn) | |
380 | my $tmp3; $v = ++$tmp1; # (doesn't warn) | |
381 | our $tmp4; $v = ++$tmp2; # (doesn't warn) | |
382 | ||
383 | my $tmp5; $v = $tmp5--; # (doesn't warn) | |
384 | our $tmp6; $v = $tmp6--; # (doesn't warn) | |
385 | my $tmp7; $v = --$tmp7; # (doesn't warn) | |
386 | our $tmp8; $v = --$tmp8; # (doesn't warn) | |
387 | EXPECT | |
388 | ######## | |
389 | use warnings 'uninitialized'; | |
390 | ||
391 | my $s1; chomp $s1; | |
392 | my $s2; chop $s2; | |
393 | my ($s3,$s4); chomp ($s3,$s4); | |
394 | my ($s5,$s6); chop ($s5,$s6); | |
395 | EXPECT | |
396 | Use of uninitialized value $s1 in scalar chomp at - line 3. | |
397 | Use of uninitialized value $s2 in scalar chop at - line 4. | |
29489e7c | 398 | Use of uninitialized value $s3 in chomp at - line 5. |
20cf1f79 | 399 | Use of uninitialized value $s4 in chomp at - line 5. |
29489e7c DM |
400 | Use of uninitialized value $s5 in chop at - line 6. |
401 | Use of uninitialized value $s6 in chop at - line 6. | |
402 | ######## | |
403 | use warnings 'uninitialized'; | |
404 | my ($m1); | |
405 | ||
406 | local $/ =\$m1; | |
407 | my $x = "abc"; | |
408 | chomp $x; chop $x; | |
409 | my $y; | |
410 | chomp ($x, $y); chop ($x, $y); | |
411 | EXPECT | |
b3a2acfa YO |
412 | Use of uninitialized value $m1 in scalar assignment at - line 4. |
413 | Use of uninitialized value $m1 in scalar assignment at - line 4. | |
d8940893 | 414 | Setting $/ to a reference to zero as a form of slurp is deprecated, treating as undef. This will be fatal in Perl 5.28 at - line 4. |
29489e7c DM |
415 | Use of uninitialized value $y in chop at - line 8. |
416 | ######## | |
417 | use warnings 'uninitialized'; | |
418 | my ($m1, @ma, %mh); | |
419 | our ($g1); | |
420 | ||
421 | delete $ma[$m1]; | |
422 | delete @ma[$m1, $g1]; | |
423 | delete $mh{$m1}; | |
424 | delete @mh{$m1, $g1}; | |
425 | EXPECT | |
426 | Use of uninitialized value $m1 in delete at - line 5. | |
427 | Use of uninitialized value $m1 in delete at - line 6. | |
428 | Use of uninitialized value $g1 in delete at - line 6. | |
429 | Use of uninitialized value $m1 in delete at - line 7. | |
430 | Use of uninitialized value $m1 in delete at - line 8. | |
431 | Use of uninitialized value $g1 in delete at - line 8. | |
432 | ######## | |
433 | use warnings 'uninitialized'; | |
434 | my ($m1, @ma, %mh); | |
435 | our ($g1); | |
436 | ||
437 | my @a = @ma[$m1, $g1]; | |
438 | @a = (4,5)[$m1, $g1]; | |
439 | @a = @mh{$m1, $g1}; | |
440 | EXPECT | |
441 | Use of uninitialized value $m1 in array slice at - line 5. | |
442 | Use of uninitialized value $g1 in array slice at - line 5. | |
443 | Use of uninitialized value $m1 in list slice at - line 6. | |
444 | Use of uninitialized value $g1 in list slice at - line 6. | |
445 | Use of uninitialized value $m1 in hash slice at - line 7. | |
446 | Use of uninitialized value $g1 in hash slice at - line 7. | |
447 | ######## | |
448 | use warnings 'uninitialized'; | |
449 | my ($m1, @ma, %mh, $v); | |
450 | our ($g1, @ga, %gh); | |
451 | ||
452 | $v = exists $ma[$m1]; | |
453 | $v = exists $ga[$g1]; | |
454 | $v = exists $mh{$m1}; | |
455 | $v = exists $gh{$g1}; | |
456 | EXPECT | |
457 | Use of uninitialized value $m1 in exists at - line 5. | |
458 | Use of uninitialized value $g1 in exists at - line 6. | |
459 | Use of uninitialized value $m1 in exists at - line 7. | |
460 | Use of uninitialized value $g1 in exists at - line 8. | |
461 | ######## | |
462 | use warnings 'uninitialized'; | |
4f187fc9 VP |
463 | my ($m1, $m2); |
464 | my ($v, @a); | |
93398190 | 465 | my ($t, $u) = (1, 1); |
4f187fc9 VP |
466 | |
467 | local $.; | |
468 | ||
93398190 VP |
469 | @ma = (1 .. 2); |
470 | @ma = ($t .. 2); | |
4f187fc9 | 471 | @ma = ($m1 .. 2); |
93398190 VP |
472 | @ma = (1 .. $u); |
473 | @ma = (1 .. $m2); | |
474 | ||
475 | @ma = (1 ... 2); | |
476 | @ma = ($t ... 2); | |
477 | @ma = ($m1 ... 2); | |
478 | @ma = (1 ... $u); | |
479 | @ma = (1 ... $m2); | |
4f187fc9 | 480 | |
93398190 VP |
481 | $v = (1 .. 2); |
482 | $v = ($t .. 2); | |
4f187fc9 | 483 | $v = ($m1 .. 2); |
93398190 VP |
484 | $v = (1 .. $u); |
485 | $v = (1 .. $m2); | |
486 | ||
487 | $v = (1 ... 2); | |
488 | $v = ($t ... 2); | |
489 | $v = ($m1 ... 2); | |
490 | $v = (1 ... $u); | |
491 | $v = (1 ... $m2); | |
492 | EXPECT | |
493 | Use of uninitialized value $m1 in range (or flop) at - line 10. | |
494 | Use of uninitialized value $m2 in range (or flop) at - line 12. | |
495 | Use of uninitialized value $m1 in range (or flop) at - line 16. | |
496 | Use of uninitialized value $m2 in range (or flop) at - line 18. | |
497 | Use of uninitialized value $. in range (or flip) at - line 20. | |
498 | Use of uninitialized value $. in range (or flop) at - line 21. | |
499 | Use of uninitialized value $. in range (or flip) at - line 23. | |
500 | Use of uninitialized value $. in range (or flip) at - line 24. | |
501 | Use of uninitialized value $. in range (or flip) at - line 26. | |
502 | Use of uninitialized value $. in range (or flip) at - line 29. | |
503 | Use of uninitialized value $. in range (or flip) at - line 30. | |
504 | ######## | |
505 | use warnings 'uninitialized'; | |
506 | my ($m1, $m2); | |
507 | my ($v, @a); | |
508 | my ($t, $u) = (1, 1); | |
509 | ||
510 | @ma = ($t .. $u); | |
511 | @ma = ($m1 .. $u); | |
512 | @ma = ($t .. $m2); | |
513 | @ma = ($m1 .. $m2); | |
514 | ||
515 | @ma = ($t ... $u); | |
516 | @ma = ($m1 ... $u); | |
517 | @ma = ($t ... $m2); | |
518 | @ma = ($m1 ... $m2); | |
519 | ||
520 | $v = ($t .. $u); | |
521 | $v = ($m1 .. $u); | |
522 | $v = ($t .. $m2); | |
4f187fc9 | 523 | $v = ($m1 .. $m2); |
93398190 VP |
524 | |
525 | $v = ($t ... $u); | |
526 | $v = ($m1 ... $u); | |
527 | $v = ($t ... $m2); | |
528 | $v = ($m1 ... $m2); | |
4f187fc9 | 529 | EXPECT |
93398190 VP |
530 | Use of uninitialized value $m1 in range (or flop) at - line 7. |
531 | Use of uninitialized value $m2 in range (or flop) at - line 8. | |
3c323193 | 532 | Use of uninitialized value $m1 in range (or flop) at - line 9. |
c774086b | 533 | Use of uninitialized value $m2 in range (or flop) at - line 9. |
93398190 VP |
534 | Use of uninitialized value $m1 in range (or flop) at - line 12. |
535 | Use of uninitialized value $m2 in range (or flop) at - line 13. | |
3c323193 | 536 | Use of uninitialized value $m1 in range (or flop) at - line 14. |
c774086b | 537 | Use of uninitialized value $m2 in range (or flop) at - line 14. |
4f187fc9 VP |
538 | ######## |
539 | use warnings 'uninitialized'; | |
29489e7c DM |
540 | my ($m1, $v); |
541 | our ($g1); | |
542 | ||
543 | my ($x1,$x2); | |
544 | $v = $x1 << $m1; | |
545 | $v = $x2 << $g1; | |
546 | EXPECT | |
547 | Use of uninitialized value $m1 in left bitshift (<<) at - line 6. | |
548 | Use of uninitialized value $x1 in left bitshift (<<) at - line 6. | |
549 | Use of uninitialized value $g1 in left bitshift (<<) at - line 7. | |
550 | Use of uninitialized value $x2 in left bitshift (<<) at - line 7. | |
551 | ######## | |
552 | use warnings 'uninitialized'; | |
553 | my ($m1, $m2, $v); | |
554 | our ($g1, $g2); | |
555 | ||
556 | use integer; | |
557 | $v = $m1 + $g1; | |
558 | $v = $m1 - $g1; | |
559 | $v = $m1 * $g1; | |
560 | eval {$v = $m1 / $g1}; | |
561 | $v = $m2 / 2; | |
562 | eval {$v = $m1 % $g1}; | |
563 | $v = $m2 % 2; | |
564 | $v = $m1 < $g1; | |
565 | $v = $m1 > $g1; | |
566 | $v = $m1 <= $g1; | |
567 | $v = $m1 >= $g1; | |
568 | $v = $m1 == $g1; | |
569 | $v = $m1 != $g1; | |
570 | $v = $m1 <=> $g1; | |
571 | $v = -$m1; | |
572 | EXPECT | |
e62ca0f9 | 573 | Use of uninitialized value $g1 in integer addition (+) at - line 6. |
096c060c | 574 | Use of uninitialized value $m1 in integer addition (+) at - line 6. |
e62ca0f9 | 575 | Use of uninitialized value $g1 in integer subtraction (-) at - line 7. |
096c060c | 576 | Use of uninitialized value $m1 in integer subtraction (-) at - line 7. |
96b6b87f | 577 | Use of uninitialized value $g1 in integer multiplication (*) at - line 8. |
096c060c | 578 | Use of uninitialized value $m1 in integer multiplication (*) at - line 8. |
29489e7c DM |
579 | Use of uninitialized value $g1 in integer division (/) at - line 9. |
580 | Use of uninitialized value $m2 in integer division (/) at - line 10. | |
96b6b87f | 581 | Use of uninitialized value $g1 in integer modulus (%) at - line 11. |
096c060c | 582 | Use of uninitialized value $m1 in integer modulus (%) at - line 11. |
29489e7c | 583 | Use of uninitialized value $m2 in integer modulus (%) at - line 12. |
9b029393 | 584 | Use of uninitialized value $g1 in integer lt (<) at - line 13. |
096c060c | 585 | Use of uninitialized value $m1 in integer lt (<) at - line 13. |
fd2dbd2b | 586 | Use of uninitialized value $g1 in integer gt (>) at - line 14. |
096c060c | 587 | Use of uninitialized value $m1 in integer gt (>) at - line 14. |
5c7d20ff | 588 | Use of uninitialized value $g1 in integer le (<=) at - line 15. |
096c060c | 589 | Use of uninitialized value $m1 in integer le (<=) at - line 15. |
f2bd3a8b | 590 | Use of uninitialized value $g1 in integer ge (>=) at - line 16. |
096c060c | 591 | Use of uninitialized value $m1 in integer ge (>=) at - line 16. |
bfa9dccd | 592 | Use of uninitialized value $g1 in integer eq (==) at - line 17. |
096c060c | 593 | Use of uninitialized value $m1 in integer eq (==) at - line 17. |
577914ca | 594 | Use of uninitialized value $g1 in integer ne (!=) at - line 18. |
096c060c | 595 | Use of uninitialized value $m1 in integer ne (!=) at - line 18. |
4cdd48d8 | 596 | Use of uninitialized value $g1 in integer comparison (<=>) at - line 19. |
096c060c | 597 | Use of uninitialized value $m1 in integer comparison (<=>) at - line 19. |
29489e7c DM |
598 | Use of uninitialized value $m1 in integer negation (-) at - line 20. |
599 | ######## | |
600 | use warnings 'uninitialized'; | |
601 | my ($m1, $m2, $v); | |
602 | our ($g1, $g2); | |
603 | ||
604 | $v = int($g1); | |
605 | $v = abs($g2); | |
606 | EXPECT | |
607 | Use of uninitialized value $g1 in int at - line 5. | |
29489e7c DM |
608 | Use of uninitialized value $g2 in abs at - line 6. |
609 | ######## | |
610 | use warnings 'uninitialized'; | |
611 | my ($m1, $m2, $v); | |
612 | our ($g1); | |
613 | ||
614 | $v = pack $m1; | |
615 | $v = pack "i*", $m2, $g1, $g2; | |
616 | my @unpack = unpack $m1, $m2; | |
617 | EXPECT | |
618 | Use of uninitialized value $m1 in pack at - line 5. | |
619 | Use of uninitialized value $m2 in pack at - line 6. | |
620 | Use of uninitialized value $g1 in pack at - line 6. | |
621 | Use of uninitialized value $g2 in pack at - line 6. | |
622 | Use of uninitialized value $m1 in unpack at - line 7. | |
623 | Use of uninitialized value $m2 in unpack at - line 7. | |
624 | ######## | |
625 | use warnings 'uninitialized'; | |
626 | my ($m1); | |
627 | our ($g1); | |
628 | ||
629 | my @sort; | |
630 | @sort = sort $m1, $g1; | |
631 | @sort = sort {$a <=> $b} $m1, $g1; | |
632 | sub sortf {$a-1 <=> $b-1}; | |
633 | @sort = sort &sortf, $m1, $g1; | |
d4c6760a FC |
634 | @sort = sort { undef } 1, 2; |
635 | sub frobnicate($$) { undef } | |
636 | @sort = sort frobnicate 1, 2; | |
a9ea019a FC |
637 | @sort = sort pyfg 1, 2; |
638 | @sort = sort pyfgc 1, 2; | |
639 | no warnings; | |
640 | sub pyfg { undef } | |
641 | sub pyfgc($$) { undef } | |
1715fa64 FC |
642 | use warnings; |
643 | sub dog {} | |
644 | sub dogwood($$) {} | |
645 | @sort = sort dog 1,2; | |
646 | @sort = sort dogwood 1,2; | |
29489e7c DM |
647 | EXPECT |
648 | Use of uninitialized value $m1 in sort at - line 6. | |
649 | Use of uninitialized value $g1 in sort at - line 6. | |
650 | Use of uninitialized value $m1 in sort at - line 6. | |
651 | Use of uninitialized value $g1 in sort at - line 6. | |
652 | Use of uninitialized value $m1 in sort at - line 7. | |
653 | Use of uninitialized value $g1 in sort at - line 7. | |
29489e7c | 654 | Use of uninitialized value $g1 in sort at - line 7. |
427fbfe8 | 655 | Use of uninitialized value $m1 in sort at - line 7. |
29489e7c DM |
656 | Use of uninitialized value $a in subtraction (-) at - line 8. |
657 | Use of uninitialized value $b in subtraction (-) at - line 8. | |
658 | Use of uninitialized value $m1 in sort at - line 9. | |
659 | Use of uninitialized value $g1 in sort at - line 9. | |
660 | Use of uninitialized value $m1 in sort at - line 9. | |
661 | Use of uninitialized value $m1 in sort at - line 9. | |
662 | Use of uninitialized value $g1 in sort at - line 9. | |
663 | Use of uninitialized value $g1 in sort at - line 9. | |
d4c6760a | 664 | Use of uninitialized value in sort at - line 10. |
a9ea019a FC |
665 | Use of uninitialized value in sort at - line 12. |
666 | Use of uninitialized value in sort at - line 13. | |
667 | Use of uninitialized value in sort at - line 14. | |
1715fa64 FC |
668 | Use of uninitialized value in sort at - line 21. |
669 | Use of uninitialized value in sort at - line 22. | |
29489e7c | 670 | ######## |
b41db0e2 | 671 | use Config; |
85272d31 | 672 | unless ($Config{d_double_has_inf} && $Config{d_double_has_nan}) { |
b41db0e2 JH |
673 | print <<EOM ; |
674 | SKIPPED | |
059d8568 | 675 | # No inf/nan support |
b41db0e2 JH |
676 | EOM |
677 | exit ; | |
678 | } | |
679 | my $nan = eval 'sin 9**9**9'; | |
f3dab52a FC |
680 | if ($nan == $nan) { |
681 | print <<EOM ; | |
682 | SKIPPED | |
683 | # No nan support | |
684 | EOM | |
685 | exit ; | |
686 | } | |
687 | use warnings 'uninitialized'; | |
688 | # The optimised {$a<=>$b} case should behave the same way as unoptimised. | |
689 | @sort = sort { ($a)[0] <=> $b } 1, $nan; | |
690 | @sort = sort { $a <=> $b } 1, $nan; | |
691 | EXPECT | |
85272d31 JH |
692 | Use of uninitialized value in sort at - line 19. |
693 | Use of uninitialized value in sort at - line 20. | |
f3dab52a | 694 | ######## |
29489e7c DM |
695 | use warnings 'uninitialized'; |
696 | my ($m1, $m2, $v); | |
697 | our ($g1); | |
698 | ||
699 | eval { $v = $m1 / $g1 }; | |
700 | $v = $m2 / 2; | |
701 | eval { $v = $m1 % $g1 }; | |
702 | $v = $m2 % 2; | |
703 | $v = $m1 == $g1; | |
704 | $v = $m1 >= $g1; | |
705 | $v = $m1 > $g1; | |
706 | $v = $m1 <= $g1; | |
707 | $v = $m1 < $g1; | |
708 | $v = $m1 * $g1; | |
709 | $v = $m1 <=>$g1; | |
710 | $v = $m1 != $g1; | |
711 | $v = $m1 -$g1; | |
712 | $v = $m1 ** $g1; | |
713 | $v = $m1 + $g1; | |
714 | $v = $m1 - $g1; | |
715 | EXPECT | |
716 | Use of uninitialized value $g1 in division (/) at - line 5. | |
717 | Use of uninitialized value $m1 in division (/) at - line 5. | |
718 | Use of uninitialized value $m2 in division (/) at - line 6. | |
719 | Use of uninitialized value $g1 in modulus (%) at - line 7. | |
720 | Use of uninitialized value $m1 in modulus (%) at - line 7. | |
721 | Use of uninitialized value $m2 in modulus (%) at - line 8. | |
722 | Use of uninitialized value $g1 in numeric eq (==) at - line 9. | |
723 | Use of uninitialized value $m1 in numeric eq (==) at - line 9. | |
724 | Use of uninitialized value $g1 in numeric ge (>=) at - line 10. | |
725 | Use of uninitialized value $m1 in numeric ge (>=) at - line 10. | |
726 | Use of uninitialized value $g1 in numeric gt (>) at - line 11. | |
727 | Use of uninitialized value $m1 in numeric gt (>) at - line 11. | |
728 | Use of uninitialized value $g1 in numeric le (<=) at - line 12. | |
729 | Use of uninitialized value $m1 in numeric le (<=) at - line 12. | |
730 | Use of uninitialized value $g1 in numeric lt (<) at - line 13. | |
731 | Use of uninitialized value $m1 in numeric lt (<) at - line 13. | |
732 | Use of uninitialized value $g1 in multiplication (*) at - line 14. | |
733 | Use of uninitialized value $m1 in multiplication (*) at - line 14. | |
734 | Use of uninitialized value $g1 in numeric comparison (<=>) at - line 15. | |
735 | Use of uninitialized value $m1 in numeric comparison (<=>) at - line 15. | |
736 | Use of uninitialized value $g1 in numeric ne (!=) at - line 16. | |
737 | Use of uninitialized value $m1 in numeric ne (!=) at - line 16. | |
738 | Use of uninitialized value $g1 in subtraction (-) at - line 17. | |
739 | Use of uninitialized value $m1 in subtraction (-) at - line 17. | |
740 | Use of uninitialized value $g1 in exponentiation (**) at - line 18. | |
741 | Use of uninitialized value $m1 in exponentiation (**) at - line 18. | |
742 | Use of uninitialized value $g1 in addition (+) at - line 19. | |
743 | Use of uninitialized value $m1 in addition (+) at - line 19. | |
744 | Use of uninitialized value $g1 in subtraction (-) at - line 20. | |
745 | Use of uninitialized value $m1 in subtraction (-) at - line 20. | |
746 | ######## | |
747 | use warnings 'uninitialized'; | |
4c3ac4ba FC |
748 | sub TIESCALAR{bless[]} |
749 | sub FETCH { undef } | |
750 | ||
751 | tie my $m1, ""; | |
7d779b23 FC |
752 | my $v; |
753 | $v = $m1 + $m1; | |
754 | $v = $m1 - $m1; | |
837c8798 FC |
755 | no warnings; |
756 | $v = $m1 + $m1; | |
7d779b23 | 757 | $v = $m1 - $m1; |
4c3ac4ba | 758 | EXPECT |
7d779b23 FC |
759 | Use of uninitialized value $m1 in addition (+) at - line 7. |
760 | Use of uninitialized value $m1 in addition (+) at - line 7. | |
761 | Use of uninitialized value $m1 in subtraction (-) at - line 8. | |
762 | Use of uninitialized value $m1 in subtraction (-) at - line 8. | |
4c3ac4ba FC |
763 | ######## |
764 | use warnings 'uninitialized'; | |
29489e7c DM |
765 | my ($m1, $v); |
766 | our ($g1); | |
767 | ||
768 | $v = *global1{$m1}; | |
769 | $v = prototype $g1; | |
770 | $v = bless [], $g1; | |
771 | $v = `$m1`; | |
772 | ||
773 | $v = $m1 . $g1; | |
774 | EXPECT | |
775 | Use of uninitialized value $m1 in glob elem at - line 5. | |
776 | Use of uninitialized value $g1 in subroutine prototype at - line 6. | |
777 | Use of uninitialized value $g1 in bless at - line 7. | |
778 | Use of uninitialized value $m1 in quoted execution (``, qx) at - line 8. | |
29489e7c | 779 | Use of uninitialized value $m1 in concatenation (.) or string at - line 10. |
c75ab21a | 780 | Use of uninitialized value $g1 in concatenation (.) or string at - line 10. |
29489e7c DM |
781 | ######## |
782 | use warnings 'uninitialized'; | |
783 | my ($m1); | |
784 | our ($g1, $g2); | |
785 | ||
786 | /y/; | |
787 | /$m1/; | |
788 | /$g1/; | |
789 | ||
790 | s/y/z/; undef $_; | |
791 | s/$m1/z/; undef $_; | |
792 | s//$g1/; undef $_; | |
793 | s/$m1/$g1/; undef $_; | |
794 | tr/x/y/; undef $_; | |
290797f7 | 795 | tr/x/y/r; undef $_; |
29489e7c | 796 | |
29489e7c DM |
797 | $g2 =~ /y/; |
798 | $g2 =~ /$m1/; | |
799 | $g2 =~ /$g1/; | |
800 | $g2 =~ s/y/z/; undef $g2; | |
801 | $g2 =~ s/$m1/z/; undef $g2; | |
802 | $g2 =~ s//$g1/; undef $g2; | |
803 | $g2 =~ s/$m1/$g1/; undef $g2; | |
804 | $g2 =~ tr/x/y/; undef $g2; # XXX can't extract var name yet | |
290797f7 | 805 | $g2 =~ tr/x/y/r; undef $g2; # XXX can't extract var name yet |
29489e7c DM |
806 | |
807 | my $foo = "abc"; | |
808 | $foo =~ /$m1/; | |
809 | $foo =~ /$g1/; | |
810 | $foo =~ s/y/z/; | |
811 | $foo =~ s/$m1/z/; | |
812 | $foo =~ s//$g1/; | |
813 | $foo =~ s/$m1/$g1/; | |
814 | $foo =~ s/./$m1/e; | |
50edf520 DM |
815 | undef $g1; |
816 | $m1 = '$g1'; | |
817 | $foo =~ s//$m1/ee; | |
05a502dc FC |
818 | undef $m1; |
819 | $m1 =~ tr/x/y/; undef $m1; | |
820 | $m1 =~ tr/x/y/r; | |
29489e7c DM |
821 | EXPECT |
822 | Use of uninitialized value $_ in pattern match (m//) at - line 5. | |
823 | Use of uninitialized value $m1 in regexp compilation at - line 6. | |
824 | Use of uninitialized value $_ in pattern match (m//) at - line 6. | |
825 | Use of uninitialized value $g1 in regexp compilation at - line 7. | |
826 | Use of uninitialized value $_ in pattern match (m//) at - line 7. | |
827 | Use of uninitialized value $_ in substitution (s///) at - line 9. | |
828 | Use of uninitialized value $m1 in regexp compilation at - line 10. | |
829 | Use of uninitialized value $_ in substitution (s///) at - line 10. | |
830 | Use of uninitialized value $_ in substitution (s///) at - line 10. | |
831 | Use of uninitialized value $_ in substitution (s///) at - line 11. | |
29489e7c | 832 | Use of uninitialized value $_ in substitution (s///) at - line 11. |
b97b7b69 | 833 | Use of uninitialized value $g1 in substitution iterator at - line 11. |
29489e7c DM |
834 | Use of uninitialized value $m1 in regexp compilation at - line 12. |
835 | Use of uninitialized value $_ in substitution (s///) at - line 12. | |
836 | Use of uninitialized value $_ in substitution (s///) at - line 12. | |
837 | Use of uninitialized value $g1 in substitution iterator at - line 12. | |
838 | Use of uninitialized value $_ in transliteration (tr///) at - line 13. | |
290797f7 | 839 | Use of uninitialized value $_ in transliteration (tr///) at - line 14. |
7fba2966 FC |
840 | Use of uninitialized value $g2 in pattern match (m//) at - line 16. |
841 | Use of uninitialized value $m1 in regexp compilation at - line 17. | |
842 | Use of uninitialized value $g2 in pattern match (m//) at - line 17. | |
843 | Use of uninitialized value $g1 in regexp compilation at - line 18. | |
844 | Use of uninitialized value $g2 in pattern match (m//) at - line 18. | |
845 | Use of uninitialized value $g2 in substitution (s///) at - line 19. | |
846 | Use of uninitialized value $m1 in regexp compilation at - line 20. | |
847 | Use of uninitialized value $g2 in substitution (s///) at - line 20. | |
848 | Use of uninitialized value $g2 in substitution (s///) at - line 20. | |
849 | Use of uninitialized value $g2 in substitution (s///) at - line 21. | |
850 | Use of uninitialized value $g2 in substitution (s///) at - line 21. | |
851 | Use of uninitialized value $g1 in substitution iterator at - line 21. | |
852 | Use of uninitialized value $m1 in regexp compilation at - line 22. | |
853 | Use of uninitialized value $g2 in substitution (s///) at - line 22. | |
854 | Use of uninitialized value $g2 in substitution (s///) at - line 22. | |
b97b7b69 | 855 | Use of uninitialized value $g1 in substitution iterator at - line 22. |
7fba2966 FC |
856 | Use of uninitialized value in transliteration (tr///) at - line 23. |
857 | Use of uninitialized value in transliteration (tr///) at - line 24. | |
858 | Use of uninitialized value $m1 in regexp compilation at - line 27. | |
859 | Use of uninitialized value $g1 in regexp compilation at - line 28. | |
860 | Use of uninitialized value $m1 in regexp compilation at - line 30. | |
861 | Use of uninitialized value $g1 in substitution iterator at - line 31. | |
862 | Use of uninitialized value $m1 in regexp compilation at - line 32. | |
b97b7b69 | 863 | Use of uninitialized value $g1 in substitution iterator at - line 32. |
7fba2966 FC |
864 | Use of uninitialized value $m1 in substitution (s///) at - line 33. |
865 | Use of uninitialized value in substitution iterator at - line 36. | |
866 | Use of uninitialized value $m1 in transliteration (tr///) at - line 38. | |
867 | Use of uninitialized value $m1 in transliteration (tr///) at - line 39. | |
29489e7c DM |
868 | ######## |
869 | use warnings 'uninitialized'; | |
870 | my ($m1); | |
871 | ||
872 | { my $foo = "abc"; (substr($foo,0,0)) = ($m1) } | |
873 | EXPECT | |
874 | Use of uninitialized value $m1 in list assignment at - line 4. | |
875 | ######## | |
876 | use warnings 'uninitialized'; | |
877 | our ($g1); | |
878 | ||
879 | study; | |
880 | study $g1; | |
881 | EXPECT | |
882 | Use of uninitialized value $_ in study at - line 4. | |
883 | Use of uninitialized value $g1 in study at - line 5. | |
884 | ######## | |
885 | use warnings 'uninitialized'; | |
886 | my ($m1); | |
887 | ||
888 | pos()=0; | |
889 | pos($m1)=0; | |
890 | EXPECT | |
891 | Use of uninitialized value $_ in scalar assignment at - line 4. | |
892 | Use of uninitialized value $m1 in scalar assignment at - line 5. | |
893 | ######## | |
894 | use warnings 'uninitialized'; | |
895 | my ($m1); | |
cc4b8646 DM |
896 | our ($g1); |
897 | ||
898 | $v = pos($m1) + 1; | |
899 | $v = pos($g1) + 1; | |
900 | $m1 = 0; | |
901 | $g1 = ""; | |
902 | $v = pos($m1) + 1; | |
903 | $v = pos($g1) + 1; | |
904 | EXPECT | |
905 | Use of uninitialized value in addition (+) at - line 5. | |
906 | Use of uninitialized value in addition (+) at - line 6. | |
907 | Use of uninitialized value in addition (+) at - line 9. | |
908 | Use of uninitialized value in addition (+) at - line 10. | |
909 | ######## | |
910 | use warnings 'uninitialized'; | |
911 | my ($m1); | |
29489e7c DM |
912 | |
913 | { my $x = "a" x $m1 } # NB LHS of repeat does not warn | |
914 | { my @x = ("a") x $m1 } | |
915 | EXPECT | |
916 | Use of uninitialized value $m1 in repeat (x) at - line 4. | |
917 | Use of uninitialized value $m1 in repeat (x) at - line 5. | |
918 | ######## | |
919 | use warnings 'uninitialized'; | |
920 | my ($m1, $v); | |
921 | our ($g1); | |
922 | ||
923 | $v = "$m1"; | |
924 | ||
925 | $v = $m1 lt $g1; | |
926 | $v = $m1 le $g1; | |
927 | $v = $m1 gt $g1; | |
928 | $v = $m1 ge $g1; | |
929 | $v = $m1 eq $g1; | |
930 | $v = $m1 ne $g1; | |
931 | $v = $m1 cmp $g1; | |
932 | EXPECT | |
933 | Use of uninitialized value $m1 in string at - line 5. | |
934 | Use of uninitialized value $m1 in string lt at - line 7. | |
935 | Use of uninitialized value $g1 in string lt at - line 7. | |
936 | Use of uninitialized value $m1 in string le at - line 8. | |
937 | Use of uninitialized value $g1 in string le at - line 8. | |
938 | Use of uninitialized value $m1 in string gt at - line 9. | |
939 | Use of uninitialized value $g1 in string gt at - line 9. | |
940 | Use of uninitialized value $m1 in string ge at - line 10. | |
941 | Use of uninitialized value $g1 in string ge at - line 10. | |
942 | Use of uninitialized value $m1 in string eq at - line 11. | |
943 | Use of uninitialized value $g1 in string eq at - line 11. | |
944 | Use of uninitialized value $m1 in string ne at - line 12. | |
945 | Use of uninitialized value $g1 in string ne at - line 12. | |
946 | Use of uninitialized value $m1 in string comparison (cmp) at - line 13. | |
947 | Use of uninitialized value $g1 in string comparison (cmp) at - line 13. | |
948 | ######## | |
949 | use warnings 'uninitialized'; | |
950 | my ($m1, $v); | |
951 | our ($g1); | |
952 | ||
953 | $v = atan2($m1,$g1); | |
954 | $v = sin $m1; | |
955 | $v = cos $m1; | |
956 | $v = rand $m1; | |
957 | $v = srand $m1; | |
958 | $v = exp $m1; | |
959 | $v = eval {log $m1}; | |
960 | $v = sqrt $m1; | |
961 | $v = hex $m1; | |
962 | $v = oct $m1; | |
9f621bb0 NC |
963 | $v = oct; |
964 | $v = length; # does not warn | |
29489e7c | 965 | EXPECT |
d4b629d0 | 966 | Use of uninitialized value $g1 in atan2 at - line 5. |
096c060c | 967 | Use of uninitialized value $m1 in atan2 at - line 5. |
29489e7c DM |
968 | Use of uninitialized value $m1 in sin at - line 6. |
969 | Use of uninitialized value $m1 in cos at - line 7. | |
970 | Use of uninitialized value $m1 in rand at - line 8. | |
971 | Use of uninitialized value $m1 in srand at - line 9. | |
972 | Use of uninitialized value $m1 in exp at - line 10. | |
973 | Use of uninitialized value $m1 in log at - line 11. | |
974 | Use of uninitialized value $m1 in sqrt at - line 12. | |
975 | Use of uninitialized value $m1 in hex at - line 13. | |
976 | Use of uninitialized value $m1 in oct at - line 14. | |
9f621bb0 | 977 | Use of uninitialized value $_ in oct at - line 15. |
29489e7c DM |
978 | ######## |
979 | use warnings 'uninitialized'; | |
980 | my ($m1, $v); | |
981 | our ($g1); | |
982 | ||
983 | $v = substr $m1, $g1; | |
984 | $v = substr $m1, $g1, $m2; | |
985 | $v = substr $m1, $g1, $m2, $g2; undef $m1; | |
986 | substr($m1, $g1) = $g2; undef $m1; # NB global2 | |
987 | substr($m1, $g1, $m2) = $g2; undef $m1; # isn't identified | |
988 | ||
989 | $v = eval {vec ($m1, $g1, $m2)}; | |
990 | eval {vec ($m1, $g1, $m2) = $g2}; undef $m1; # ditto | |
991 | ||
992 | $v = index $m1, $m2; | |
993 | $v = index $m1, $m2, $g1; | |
994 | $v = rindex $m1, $m2; | |
995 | $v = rindex $m1, $m2, $g1; | |
996 | EXPECT | |
997 | Use of uninitialized value $g1 in substr at - line 5. | |
998 | Use of uninitialized value $m1 in substr at - line 5. | |
999 | Use of uninitialized value $m2 in substr at - line 6. | |
1000 | Use of uninitialized value $g1 in substr at - line 6. | |
1001 | Use of uninitialized value $m1 in substr at - line 6. | |
29489e7c DM |
1002 | Use of uninitialized value $m2 in substr at - line 7. |
1003 | Use of uninitialized value $g1 in substr at - line 7. | |
24fcb59f | 1004 | Use of uninitialized value $g2 in substr at - line 7. |
29489e7c | 1005 | Use of uninitialized value $m1 in substr at - line 7. |
29489e7c | 1006 | Use of uninitialized value $g1 in substr at - line 8. |
24fcb59f FC |
1007 | Use of uninitialized value $g2 in substr at - line 8. |
1008 | Use of uninitialized value $m1 in substr at - line 8. | |
29489e7c DM |
1009 | Use of uninitialized value $m2 in substr at - line 9. |
1010 | Use of uninitialized value $g1 in substr at - line 9. | |
24fcb59f FC |
1011 | Use of uninitialized value $g2 in substr at - line 9. |
1012 | Use of uninitialized value $m1 in substr at - line 9. | |
29489e7c DM |
1013 | Use of uninitialized value $m2 in vec at - line 11. |
1014 | Use of uninitialized value $g1 in vec at - line 11. | |
1015 | Use of uninitialized value $m1 in vec at - line 11. | |
1016 | Use of uninitialized value $m2 in vec at - line 12. | |
1017 | Use of uninitialized value $g1 in vec at - line 12. | |
29489e7c DM |
1018 | Use of uninitialized value $m1 in index at - line 14. |
1019 | Use of uninitialized value $m2 in index at - line 14. | |
1020 | Use of uninitialized value $g1 in index at - line 15. | |
1021 | Use of uninitialized value $m1 in index at - line 15. | |
1022 | Use of uninitialized value $m2 in index at - line 15. | |
29489e7c | 1023 | Use of uninitialized value $m1 in rindex at - line 16. |
73ee8be2 | 1024 | Use of uninitialized value $m2 in rindex at - line 16. |
29489e7c | 1025 | Use of uninitialized value $g1 in rindex at - line 17. |
29489e7c | 1026 | Use of uninitialized value $m1 in rindex at - line 17. |
73ee8be2 | 1027 | Use of uninitialized value $m2 in rindex at - line 17. |
29489e7c DM |
1028 | ######## |
1029 | use warnings 'uninitialized'; | |
1030 | my ($m1, $v); | |
1031 | our ($g1); | |
1032 | ||
1033 | $v = sprintf $m1; | |
1034 | $v = sprintf '%d%d%d%d', $m1, $m2, $g1, $g2; | |
094236a2 | 1035 | my $m3; eval {formline $m3 }; |
29489e7c DM |
1036 | formline '@<<@<<@<<@<<', $m1, $m2, $g1, $g2; |
1037 | EXPECT | |
1038 | Use of uninitialized value $m1 in sprintf at - line 5. | |
1039 | Use of uninitialized value $m1 in sprintf at - line 6. | |
1040 | Use of uninitialized value $m2 in sprintf at - line 6. | |
1041 | Use of uninitialized value $g1 in sprintf at - line 6. | |
1042 | Use of uninitialized value $g2 in sprintf at - line 6. | |
094236a2 | 1043 | Use of uninitialized value $m3 in formline at - line 7. |
29489e7c DM |
1044 | Use of uninitialized value $m1 in formline at - line 8. |
1045 | Use of uninitialized value $m2 in formline at - line 8. | |
1046 | Use of uninitialized value $g1 in formline at - line 8. | |
1047 | Use of uninitialized value $g2 in formline at - line 8. | |
1048 | ######## | |
ce197e4f | 1049 | # SKIP ? !$Config{d_crypt} |
29489e7c DM |
1050 | use warnings 'uninitialized'; |
1051 | my ($m1, $v); | |
1052 | our ($g1); | |
1053 | ||
1054 | $v = crypt $m1, $g1; | |
1055 | ||
1056 | $v = ord; | |
1057 | $v = ord $m1; | |
1058 | $v = chr; | |
1059 | $v = chr $m1; | |
1060 | ||
29489e7c DM |
1061 | $v = ucfirst; |
1062 | $v = ucfirst $m1; | |
1063 | $v = lcfirst; | |
1064 | $v = lcfirst $m1; | |
1065 | $v = uc; | |
1066 | $v = uc $m1; | |
1067 | $v = lc; | |
1068 | $v = lc $m1; | |
1069 | ||
1070 | $v = quotemeta; | |
1071 | $v = quotemeta $m1; | |
1072 | EXPECT | |
1073 | Use of uninitialized value $m1 in crypt at - line 5. | |
1074 | Use of uninitialized value $g1 in crypt at - line 5. | |
1075 | Use of uninitialized value $_ in ord at - line 7. | |
1076 | Use of uninitialized value $m1 in ord at - line 8. | |
1077 | Use of uninitialized value $_ in chr at - line 9. | |
1078 | Use of uninitialized value $m1 in chr at - line 10. | |
0a0ffbce RGS |
1079 | Use of uninitialized value $_ in ucfirst at - line 12. |
1080 | Use of uninitialized value $m1 in ucfirst at - line 13. | |
1081 | Use of uninitialized value $_ in lcfirst at - line 14. | |
1082 | Use of uninitialized value $m1 in lcfirst at - line 15. | |
1083 | Use of uninitialized value $_ in uc at - line 16. | |
1084 | Use of uninitialized value $m1 in uc at - line 17. | |
1085 | Use of uninitialized value $_ in lc at - line 18. | |
1086 | Use of uninitialized value $m1 in lc at - line 19. | |
1087 | Use of uninitialized value $_ in quotemeta at - line 21. | |
1088 | Use of uninitialized value $m1 in quotemeta at - line 22. | |
29489e7c DM |
1089 | ######## |
1090 | use warnings 'uninitialized'; | |
1091 | my ($m1, $v1, $v2, $v3, $v4); | |
1092 | our ($g1); | |
1093 | ||
1094 | ($v1,$v2,$v3,$v4) = split; | |
1095 | ($v1,$v2,$v3,$v4) = split $m1; | |
1096 | ($v1,$v2,$v3,$v4) = split $m1, $m2; | |
1097 | ($v1,$v2,$v3,$v4) = split $m1, $m2, $g1; | |
1098 | ||
1099 | $v1 = join $m1; | |
1100 | $v2 = join $m1, $m2; | |
1101 | $v3 = join $m1, $m2, $m3; | |
1102 | EXPECT | |
1103 | Use of uninitialized value $_ in split at - line 5. | |
1104 | Use of uninitialized value $m1 in regexp compilation at - line 6. | |
1105 | Use of uninitialized value $_ in split at - line 6. | |
1106 | Use of uninitialized value $m1 in regexp compilation at - line 7. | |
1107 | Use of uninitialized value $m2 in split at - line 7. | |
1108 | Use of uninitialized value $m1 in regexp compilation at - line 8. | |
1109 | Use of uninitialized value $g1 in split at - line 8. | |
1110 | Use of uninitialized value $m2 in split at - line 8. | |
1111 | Use of uninitialized value $m1 in join or string at - line 10. | |
29489e7c DM |
1112 | Use of uninitialized value $m2 in join or string at - line 11. |
1113 | Use of uninitialized value $m1 in join or string at - line 12. | |
1114 | Use of uninitialized value $m2 in join or string at - line 12. | |
1115 | Use of uninitialized value $m3 in join or string at - line 12. | |
1116 | ######## | |
1117 | use warnings 'uninitialized'; | |
1118 | my ($m1, $m2, @ma, $v); | |
1119 | ||
1120 | our @foo1=(1,undef); chomp @foo1; | |
1121 | my @foo2=(1,undef); chomp @foo2; | |
1122 | our @foo3=(1,undef); chop @foo3; | |
1123 | my @foo4=(1,undef); chop @foo4; | |
1124 | our @foo5=(1,undef); $v = sprintf "%s%s",@foo5; | |
1125 | my @foo6=(1,undef); $v = sprintf "%s%s",@foo6; | |
26848657 YO |
1126 | our %foo7=('foo'=>'bar','baz'=>undef); $v = sprintf "%s%s%s%s",%foo7; |
1127 | my %foo8=('foo'=>'bar','baz'=>undef); $v = sprintf "%s%s%s%s",%foo8; | |
29489e7c DM |
1128 | our @foo9 =(1,undef); $v = sprintf "%s%s%s%s",$m1,@foo9, $ma[2]; |
1129 | my @foo10=(1,undef); $v = sprintf "%s%s%s%s",$m2,@foo10,$ma[2]; | |
1130 | our %foo11=('foo'=>'bar','baz'=>undef); $v = join '', %foo11; | |
1131 | my %foo12=('foo'=>'bar','baz'=>undef); $v = join '', %foo12; | |
1132 | our %foo13=(1..2000,'foo'=>'bar','baz'=>undef); $v = join '', %foo13; | |
1133 | my %foo14=(1..2000,'foo'=>'bar','baz'=>undef); $v = join '', %foo14; | |
1134 | EXPECT | |
1135 | Use of uninitialized value $foo1[1] in chomp at - line 4. | |
1136 | Use of uninitialized value $foo2[1] in chomp at - line 5. | |
1137 | Use of uninitialized value $foo3[1] in chop at - line 6. | |
1138 | Use of uninitialized value $foo4[1] in chop at - line 7. | |
1139 | Use of uninitialized value $foo5[1] in sprintf at - line 8. | |
1140 | Use of uninitialized value $foo6[1] in sprintf at - line 9. | |
1141 | Use of uninitialized value $foo7{"baz"} in sprintf at - line 10. | |
1142 | Use of uninitialized value $foo8{"baz"} in sprintf at - line 11. | |
1143 | Use of uninitialized value $m1 in sprintf at - line 12. | |
1144 | Use of uninitialized value $foo9[1] in sprintf at - line 12. | |
1145 | Use of uninitialized value in sprintf at - line 12. | |
1146 | Use of uninitialized value $m2 in sprintf at - line 13. | |
1147 | Use of uninitialized value $foo10[1] in sprintf at - line 13. | |
1148 | Use of uninitialized value in sprintf at - line 13. | |
1149 | Use of uninitialized value $foo11{"baz"} in join or string at - line 14. | |
1150 | Use of uninitialized value $foo12{"baz"} in join or string at - line 15. | |
1151 | Use of uninitialized value within %foo13 in join or string at - line 16. | |
1152 | Use of uninitialized value within %foo14 in join or string at - line 17. | |
1153 | ######## | |
1154 | use warnings 'uninitialized'; | |
1155 | my ($v); | |
1156 | ||
1157 | undef $^A; $v = $^A + ${^FOO}; # should output '^A' not chr(1) | |
1158 | *GLOB1 = *GLOB2; | |
1159 | $v = $GLOB1 + 1; | |
1160 | $v = $GLOB2 + 1; | |
1161 | EXPECT | |
1162 | Use of uninitialized value $^FOO in addition (+) at - line 4. | |
1163 | Use of uninitialized value $^A in addition (+) at - line 4. | |
1164 | Use of uninitialized value $GLOB1 in addition (+) at - line 6. | |
1165 | Use of uninitialized value $GLOB2 in addition (+) at - line 7. | |
1166 | ######## | |
1167 | use warnings 'uninitialized'; | |
1168 | my ($v); | |
1169 | ||
1170 | # check hash key is sanitised | |
d7cf15ed | 1171 | my %h = ("\0011\002\r\n\t\f\"\\\x{1234}abcdefghijklmnopqrstuvwxyz", undef); |
29489e7c DM |
1172 | $v = join '', %h; |
1173 | EXPECT | |
d7cf15ed | 1174 | Use of uninitialized value $h{"\0011\2\r\n\t\f\"\\\x{1234}abcde"...} in join or string at - line 6. |
29489e7c DM |
1175 | ######## |
1176 | use warnings 'uninitialized'; | |
1177 | my ($m1, $v); | |
1178 | our ($g1); | |
1179 | ||
1180 | $v = eval { \&$m1 }; | |
1181 | $v = eval { \&$g1 }; | |
1182 | ||
1183 | my @a; | |
1184 | @a = splice @a, $m1, $g1; | |
1185 | $v = 1 + splice @a, $m1, $g1; | |
1186 | ||
1187 | my $x = bless [], 'Z'; | |
1188 | eval { $x->$m1() }; | |
1189 | ||
1190 | eval { &$m1() }; | |
1191 | eval { &$g1() }; | |
1192 | ||
1193 | warn $m1,$g1,"foo"; | |
1194 | ||
1195 | eval { die $m1, $g1 }; | |
1196 | ||
1197 | reset $m1; | |
1198 | reset $g1; | |
1199 | EXPECT | |
1200 | Use of uninitialized value $m1 in subroutine dereference at - line 5. | |
29489e7c DM |
1201 | Use of uninitialized value $g1 in subroutine dereference at - line 6. |
1202 | Use of uninitialized value $m1 in splice at - line 9. | |
1203 | Use of uninitialized value $g1 in splice at - line 9. | |
1204 | Use of uninitialized value $m1 in splice at - line 10. | |
1205 | Use of uninitialized value $g1 in splice at - line 10. | |
1206 | Use of uninitialized value in addition (+) at - line 10. | |
1207 | Use of uninitialized value $m1 in method lookup at - line 13. | |
29489e7c DM |
1208 | Use of uninitialized value $m1 in warn at - line 18. |
1209 | Use of uninitialized value $g1 in warn at - line 18. | |
1210 | foo at - line 18. | |
1211 | Use of uninitialized value $m1 in die at - line 20. | |
1212 | Use of uninitialized value $g1 in die at - line 20. | |
1213 | Use of uninitialized value $m1 in symbol reset at - line 22. | |
1214 | Use of uninitialized value $g1 in symbol reset at - line 23. | |
1215 | ######## | |
1216 | use warnings 'uninitialized'; | |
1217 | my ($m1); | |
1218 | our ($g1); | |
1219 | ||
1220 | open FOO; # accesses $FOO | |
1221 | my $foo = 'FO'; | |
1222 | open($foo."O"); # accesses $FOO | |
1223 | open my $x; # accesses ${*$x} | |
1224 | open $foobar; # accesses ${*$foobar} | |
1225 | my $y; | |
1226 | open $y, $m1; | |
1227 | eval { open $y, $m1, $g1 }; | |
1228 | open $y, '<', $g1; | |
1229 | ||
1230 | sysopen $y, $m1, $m2; | |
1231 | sysopen $y, $m1, $g1, $m2; | |
1232 | ||
1233 | my $old = umask; | |
1234 | umask $m1; | |
1235 | umask $g1; | |
1236 | umask $old; | |
1237 | ||
1238 | binmode STDIN, $m1; | |
1239 | EXPECT | |
1240 | Use of uninitialized value $FOO in open at - line 5. | |
1241 | Use of uninitialized value in open at - line 7. | |
1242 | Use of uninitialized value in open at - line 8. | |
1243 | Use of uninitialized value in open at - line 9. | |
1244 | Use of uninitialized value $m1 in open at - line 11. | |
1245 | Use of uninitialized value $m1 in open at - line 12. | |
1246 | Use of uninitialized value $g1 in open at - line 13. | |
1247 | Use of uninitialized value $m2 in sysopen at - line 15. | |
1248 | Use of uninitialized value $m1 in sysopen at - line 15. | |
1249 | Use of uninitialized value $m2 in sysopen at - line 16. | |
1250 | Use of uninitialized value $g1 in sysopen at - line 16. | |
1251 | Use of uninitialized value $m1 in sysopen at - line 16. | |
1252 | Use of uninitialized value $m1 in umask at - line 19. | |
1253 | Use of uninitialized value $g1 in umask at - line 20. | |
1254 | Use of uninitialized value $m1 in binmode at - line 23. | |
29489e7c DM |
1255 | ######## |
1256 | use warnings 'uninitialized'; | |
1257 | my ($m1); | |
1258 | our ($g1); | |
1259 | ||
1260 | eval { my $x; tie $x, $m1 }; | |
1261 | ||
1262 | eval { my $x; read $m1, $x, $g1 }; | |
1263 | eval { my $x; read $m1, $x, $g1, $g2 }; | |
1264 | eval { my $x; sysread $m1, $x, $g1 }; | |
1265 | eval { my $x; sysread $m1, $x, $g1, $g2 }; | |
1266 | EXPECT | |
1267 | Use of uninitialized value $m1 in tie at - line 5. | |
29489e7c DM |
1268 | Use of uninitialized value $m1 in ref-to-glob cast at - line 7. |
1269 | Use of uninitialized value $g1 in read at - line 7. | |
1270 | Use of uninitialized value $m1 in ref-to-glob cast at - line 8. | |
1271 | Use of uninitialized value $g1 in read at - line 8. | |
1272 | Use of uninitialized value $g2 in read at - line 8. | |
1273 | Use of uninitialized value $m1 in ref-to-glob cast at - line 9. | |
1274 | Use of uninitialized value $g1 in sysread at - line 9. | |
1275 | Use of uninitialized value $m1 in ref-to-glob cast at - line 10. | |
1276 | Use of uninitialized value $g1 in sysread at - line 10. | |
1277 | Use of uninitialized value $g2 in sysread at - line 10. | |
1278 | ######## | |
1279 | use warnings 'uninitialized'; | |
1280 | my ($m1); | |
1281 | our ($g1, @ga); | |
1282 | ||
1283 | printf $m1; | |
1284 | printf STDERR "%d%d%d%d\n", $m1, $m2, $g1, $g2; | |
1285 | printf $ga[1000]; | |
1286 | printf STDERR "FOO1:%s\n", $ga[1000]; | |
1287 | printf STDERR "FOO2:%s%s%s%s\n", $m1, $g1, $ga[1],$m2; | |
1288 | printf STDERR "FOO3:%s%s%s\n", "X", $ga[1],"Y"; | |
1289 | EXPECT | |
1290 | Use of uninitialized value $m1 in printf at - line 5. | |
1291 | Use of uninitialized value $m1 in printf at - line 6. | |
1292 | Use of uninitialized value $m2 in printf at - line 6. | |
1293 | Use of uninitialized value $g1 in printf at - line 6. | |
1294 | Use of uninitialized value $g2 in printf at - line 6. | |
1295 | 0000 | |
fa8d1836 DM |
1296 | Use of uninitialized value in printf at - line 7. |
1297 | Use of uninitialized value in printf at - line 8. | |
29489e7c DM |
1298 | FOO1: |
1299 | Use of uninitialized value $m1 in printf at - line 9. | |
1300 | Use of uninitialized value $g1 in printf at - line 9. | |
1301 | Use of uninitialized value in printf at - line 9. | |
1302 | Use of uninitialized value $m2 in printf at - line 9. | |
1303 | FOO2: | |
fa8d1836 | 1304 | Use of uninitialized value in printf at - line 10. |
29489e7c DM |
1305 | FOO3:XY |
1306 | ######## | |
1307 | use warnings 'uninitialized'; | |
1308 | my ($m1); | |
1309 | our ($g1); | |
1310 | ||
1311 | eval { my $x; seek $x,$m1, $g1 }; | |
1312 | eval { my $x; sysseek $x,$m1, $g1 }; | |
c9cb0f41 | 1313 | eval { syswrite $m1, $g1 }; # logic changed - now won't try $g1 if $m1 is bad |
96d52181 DM |
1314 | # eval { syswrite STDERR, $m1 }; # XXX under utf8, can give |
1315 | # eval { syswrite STDERR, $m1, $g1 }; # XXX different warnings | |
1316 | # eval { syswrite STDERR, $m1, $g1, $m2 }; | |
29489e7c DM |
1317 | eval { my $x; socket $x, $m1, $g1, $m2 }; |
1318 | eval { my ($x,$y); socketpair $x, $y, $m1, $g1, $m2 }; | |
1319 | EXPECT | |
1320 | Use of uninitialized value $x in ref-to-glob cast at - line 5. | |
1321 | Use of uninitialized value $g1 in seek at - line 5. | |
1322 | Use of uninitialized value $m1 in seek at - line 5. | |
1323 | Use of uninitialized value $x in ref-to-glob cast at - line 6. | |
1324 | Use of uninitialized value $g1 in sysseek at - line 6. | |
1325 | Use of uninitialized value $m1 in sysseek at - line 6. | |
1326 | Use of uninitialized value $m1 in ref-to-glob cast at - line 7. | |
c162e49a CB |
1327 | Use of uninitialized value $m2 in socket at - line 11. |
1328 | Use of uninitialized value $g1 in socket at - line 11. | |
1329 | Use of uninitialized value $m1 in socket at - line 11. | |
1330 | Use of uninitialized value $m2 in socketpair at - line 12. | |
1331 | Use of uninitialized value $g1 in socketpair at - line 12. | |
1332 | Use of uninitialized value $m1 in socketpair at - line 12. | |
1333 | ######## | |
1334 | use Config; | |
1335 | BEGIN { | |
1336 | if ( !$Config{d_flock} && | |
1337 | !$Config{d_fcntl_can_lock} && | |
1338 | !$Config{d_lockf} ) { | |
1339 | print <<EOM ; | |
1340 | SKIPPED | |
1341 | # flock not present | |
1342 | EOM | |
1343 | exit ; | |
1344 | } | |
1345 | } | |
1346 | use warnings 'uninitialized'; | |
1347 | our ($g1); | |
1348 | ||
1349 | eval { my $x; flock $x, $g1 }; | |
1350 | EXPECT | |
1351 | Use of uninitialized value $x in ref-to-glob cast at - line 16. | |
1352 | Use of uninitialized value $g1 in flock at - line 16. | |
29489e7c DM |
1353 | ######## |
1354 | use warnings 'uninitialized'; | |
1355 | my ($m1, $v); | |
1356 | our ($g1); | |
1357 | ||
1358 | stat; | |
1359 | lstat; | |
1360 | stat $m1; | |
1361 | lstat $g1; | |
1362 | ||
1363 | $v = -R $m1; | |
1364 | $v = -W $m1; | |
1365 | $v = -X $m1; | |
1366 | $v = -r $m1; | |
1367 | $v = -w $m1; | |
1368 | $v = -x $m1; | |
1369 | $v = -e $m1; | |
29489e7c | 1370 | $v = -o $m1; |
945fa9b5 | 1371 | $v = -O $m1; |
29489e7c DM |
1372 | $v = -z $m1; |
1373 | $v = -s $m1; | |
1374 | $v = -M $m1; | |
1375 | $v = -A $m1; | |
1376 | $v = -C $m1; | |
1377 | $v = -S $m1; | |
1378 | $v = -c $m1; | |
1379 | $v = -b $m1; | |
1380 | $v = -f $m1; | |
1381 | $v = -d $m1; | |
1382 | $v = -p $m1; | |
1383 | $v = -l $m1; | |
1384 | $v = -u $m1; | |
1385 | $v = -g $m1; | |
96d52181 | 1386 | # $v = -k $m1; # XXX this is a no-op under win32 |
29489e7c DM |
1387 | $v = -t $m1; |
1388 | $v = -T $m1; | |
1389 | $v = -B $m1; | |
1390 | EXPECT | |
1391 | Use of uninitialized value $_ in stat at - line 5. | |
1392 | Use of uninitialized value $_ in lstat at - line 6. | |
1393 | Use of uninitialized value $m1 in stat at - line 7. | |
1394 | Use of uninitialized value $g1 in lstat at - line 8. | |
1395 | Use of uninitialized value $m1 in -R at - line 10. | |
1396 | Use of uninitialized value $m1 in -W at - line 11. | |
1397 | Use of uninitialized value $m1 in -X at - line 12. | |
1398 | Use of uninitialized value $m1 in -r at - line 13. | |
1399 | Use of uninitialized value $m1 in -w at - line 14. | |
1400 | Use of uninitialized value $m1 in -x at - line 15. | |
1401 | Use of uninitialized value $m1 in -e at - line 16. | |
1402 | Use of uninitialized value $m1 in -o at - line 17. | |
1403 | Use of uninitialized value $m1 in -O at - line 18. | |
1404 | Use of uninitialized value $m1 in -z at - line 19. | |
1405 | Use of uninitialized value $m1 in -s at - line 20. | |
1406 | Use of uninitialized value $m1 in -M at - line 21. | |
1407 | Use of uninitialized value $m1 in -A at - line 22. | |
1408 | Use of uninitialized value $m1 in -C at - line 23. | |
1409 | Use of uninitialized value $m1 in -S at - line 24. | |
1410 | Use of uninitialized value $m1 in -c at - line 25. | |
1411 | Use of uninitialized value $m1 in -b at - line 26. | |
1412 | Use of uninitialized value $m1 in -f at - line 27. | |
1413 | Use of uninitialized value $m1 in -d at - line 28. | |
1414 | Use of uninitialized value $m1 in -p at - line 29. | |
1415 | Use of uninitialized value $m1 in -l at - line 30. | |
29489e7c DM |
1416 | Use of uninitialized value $m1 in -u at - line 31. |
1417 | Use of uninitialized value $m1 in -g at - line 32. | |
29489e7c DM |
1418 | Use of uninitialized value $m1 in -t at - line 34. |
1419 | Use of uninitialized value $m1 in -T at - line 35. | |
1420 | Use of uninitialized value $m1 in -B at - line 36. | |
1421 | ######## | |
1422 | use warnings 'uninitialized'; | |
1423 | my ($m1, $v); | |
1424 | our ($g1); | |
1425 | ||
1426 | $v = localtime $m1; | |
1427 | $v = gmtime $g1; | |
1428 | EXPECT | |
1429 | Use of uninitialized value $m1 in localtime at - line 5. | |
1430 | Use of uninitialized value $g1 in gmtime at - line 6. | |
1431 | ######## | |
1432 | use warnings 'uninitialized'; | |
50edf520 | 1433 | my ($m1, $m2, $v); |
29489e7c DM |
1434 | |
1435 | $v = eval; | |
1436 | $v = eval $m1; | |
50edf520 | 1437 | $m2 = q($m1); $v = 1 + eval $m2; |
29489e7c DM |
1438 | EXPECT |
1439 | Use of uninitialized value $_ in eval "string" at - line 4. | |
29489e7c | 1440 | Use of uninitialized value $m1 in eval "string" at - line 5. |
50edf520 | 1441 | Use of uninitialized value in addition (+) at - line 6. |
29489e7c DM |
1442 | ######## |
1443 | use warnings 'uninitialized'; | |
1444 | my ($m1); | |
1445 | ||
1446 | exit $m1; | |
1447 | EXPECT | |
1448 | Use of uninitialized value $m1 in exit at - line 4. | |
12e06b6f | 1449 | ######## |
12e06b6f NC |
1450 | use warnings 'uninitialized'; |
1451 | my $undef; | |
1452 | ||
1453 | if ($undef == 3) { | |
1454 | } elsif ($undef == 0) { | |
1455 | } | |
1456 | EXPECT | |
1457 | Use of uninitialized value $undef in numeric eq (==) at - line 4. | |
1458 | Use of uninitialized value $undef in numeric eq (==) at - line 5. | |
1459 | ######## | |
79851868 NC |
1460 | # TODO long standing bug - conditions of while loops |
1461 | use warnings; | |
1462 | ||
1463 | my $c; | |
1464 | my $d = 1; | |
1465 | while ($c == 0 && $d) { | |
1466 | # a | |
1467 | # few | |
1468 | # blank | |
1469 | # lines | |
1470 | undef $d; | |
1471 | } | |
1472 | EXPECT | |
1473 | Use of uninitialized value $c in numeric eq (==) at - line 5. | |
1474 | Use of uninitialized value $c in numeric eq (==) at - line 5. | |
1475 | ######## | |
d12f7a6a NC |
1476 | # TODO long standing bug - conditions of until loops |
1477 | use warnings; | |
1478 | ||
1479 | my $c; | |
1480 | my $d; | |
1481 | until ($c == 1) { | |
1482 | # a | |
1483 | # few | |
1484 | # blank | |
1485 | # lines | |
1486 | $c = 1 if ++$d == 2; | |
1487 | } | |
1488 | EXPECT | |
1489 | Use of uninitialized value $c in numeric eq (==) at - line 5. | |
1490 | Use of uninitialized value $c in numeric eq (==) at - line 5. | |
1491 | ######## | |
1492 | # TODO long standing bug - conditions of for loops | |
1493 | use warnings; | |
1494 | ||
1495 | my $c; | |
1496 | my $d; | |
1497 | for ($d = 1; $c == 0 && $d; ) { | |
1498 | # a | |
1499 | # few | |
1500 | # blank | |
1501 | # lines | |
1502 | undef $d; | |
1503 | } | |
1504 | ||
1505 | my $e; | |
1506 | for ($d = 2; $d > 0; $e = !($c == 0)) { | |
1507 | # a | |
1508 | # few | |
1509 | # blank | |
1510 | # lines | |
1511 | --$d; | |
1512 | } | |
1513 | EXPECT | |
1514 | Use of uninitialized value $c in numeric eq (==) at - line 5. | |
1515 | Use of uninitialized value $c in numeric eq (==) at - line 5. | |
1516 | Use of uninitialized value $c in numeric eq (==) at - line 14. | |
1517 | Use of uninitialized value $c in numeric eq (==) at - line 14. | |
1518 | ######## | |
12e06b6f NC |
1519 | # TODO long standing bug - more general variant of the above problem |
1520 | use warnings; | |
1521 | my $undef; | |
1522 | ||
1523 | my $a = $undef + 1; | |
1524 | my $b | |
1525 | = $undef | |
1526 | + 1; | |
1527 | EXPECT | |
1528 | Use of uninitialized value $undef in addition (+) at - line 4. | |
1529 | Use of uninitialized value $undef in addition (+) at - line 7. | |
1e21d011 B |
1530 | ######## |
1531 | use warnings 'uninitialized'; | |
1532 | my ($r1, $r2); | |
1533 | $_ = undef; | |
1534 | $v = reverse; | |
1535 | $v = reverse $r1; | |
1536 | $v = reverse "abc", $r2, "def"; | |
1537 | EXPECT | |
1538 | Use of uninitialized value in reverse at - line 4. | |
1539 | Use of uninitialized value $r1 in reverse at - line 5. | |
1540 | Use of uninitialized value $r2 in reverse at - line 6. | |
8b0dea50 DM |
1541 | ######## |
1542 | use warnings 'uninitialized'; | |
1543 | # | |
1544 | # ops that can return undef for defined args | |
0b9c91f6 | 1545 | # split into separate tests to diagnose the cause of daily build smoke |
8b0dea50 | 1546 | # |
928cb7d4 | 1547 | # *** `` not tested: Windows produces an error on STDERR |
a3ed38f2 | 1548 | # *** ditto qx() |
8b0dea50 | 1549 | # *** pipe() not tested |
8b0dea50 DM |
1550 | # *** ioctl not tested |
1551 | # *** socket not tested | |
1552 | # *** socketpair not tested | |
1553 | # *** bind not tested | |
1554 | # *** connect not tested | |
1555 | # *** listen not tested | |
8b0dea50 DM |
1556 | # *** shutdown not tested |
1557 | # *** setsockopt not tested | |
1558 | # *** getpeername not tested | |
0b9c91f6 NC |
1559 | # *** readdir not tested |
1560 | # *** telldir not tested | |
1561 | # *** seekdir not tested | |
1562 | # *** rewinddir not tested | |
1563 | # *** closedir not tested | |
1564 | # *** gmtime not tested | |
1565 | # *** alarm not tested | |
1566 | # *** semget not tested | |
1567 | # *** getlogin not tested | |
1568 | EXPECT | |
1569 | ######## | |
1570 | use warnings 'uninitialized'; | |
2234743e NC |
1571 | if ($^O eq 'MSWin32') { |
1572 | print <<'EOM'; | |
1573 | SKIPPED | |
1574 | # `` produces an error on STDERR on Win32 | |
1575 | EOM | |
1576 | exit; | |
1577 | } | |
1578 | my $nocmd = '/no/such/command'; | |
1579 | my $v; | |
1580 | $v = 1 + `$nocmd`; | |
1581 | EXPECT | |
1582 | Use of uninitialized value in addition (+) at - line 11. | |
1583 | ######## | |
1584 | use warnings 'uninitialized'; | |
1585 | if ($^O eq 'MSWin32') { | |
1586 | print <<'EOM'; | |
1587 | SKIPPED | |
1588 | # qx produces an error on STDERR on Win32 | |
1589 | EOM | |
1590 | exit; | |
1591 | } | |
1592 | my $nocmd = '/no/such/command'; | |
1593 | my $v; | |
1594 | $v = 1 + qx($nocmd); | |
1595 | EXPECT | |
1596 | Use of uninitialized value in addition (+) at - line 11. | |
1597 | ######## | |
1598 | use warnings 'uninitialized'; | |
1599 | my $nan = "NaN"; | |
1600 | if ($nan == $nan) { | |
1601 | print <<'EOM'; | |
1602 | SKIPPED | |
1603 | # NaN not supported here. | |
1604 | EOM | |
1605 | exit; | |
1606 | } | |
1607 | my $v; | |
1608 | $v = 1 + ($nan <=> 1); | |
1609 | EXPECT | |
1610 | Use of uninitialized value in addition (+) at - line 11. | |
1611 | ######## | |
1612 | use warnings 'uninitialized'; | |
1613 | if ($^O eq 'MSWin32') { | |
1614 | print <<'EOM'; | |
1615 | SKIPPED | |
1616 | # -k produces no warning on Win32 | |
1617 | EOM | |
1618 | exit; | |
1619 | } | |
1620 | my $nofile = '/no/such/file'; | |
1621 | my $v; | |
1622 | $v = 1 + -k $nofile; | |
1623 | EXPECT | |
1624 | Use of uninitialized value in addition (+) at - line 11. | |
1625 | ######## | |
1626 | use warnings 'uninitialized'; | |
0b9c91f6 NC |
1627 | my $nofile = '/no/such/file'; |
1628 | my $v; | |
1629 | my $f = ""; | |
1630 | $v = 1 + open($f, $nofile); | |
1631 | EXPECT | |
1632 | Use of uninitialized value in addition (+) at - line 5. | |
1633 | ######## | |
1634 | use warnings 'uninitialized'; | |
1635 | my $nofile = '/no/such/file'; | |
1636 | my $v; | |
1637 | $v = 1 + fileno($nofile); | |
1638 | EXPECT | |
1639 | Use of uninitialized value in addition (+) at - line 4. | |
1640 | ######## | |
1641 | use warnings 'uninitialized'; | |
1642 | my $nofile = '/no/such/file'; | |
1643 | my $v; | |
1644 | $v = 1 + binmode($nofile); | |
1645 | EXPECT | |
1646 | Use of uninitialized value in addition (+) at - line 4. | |
1647 | ######## | |
1648 | use warnings 'uninitialized'; | |
1649 | my $nofile = '/no/such/file'; | |
1650 | my $v; | |
1651 | $v = 1 + tied($nofile); | |
1652 | EXPECT | |
1653 | Use of uninitialized value in addition (+) at - line 4. | |
1654 | ######## | |
1655 | use warnings 'uninitialized'; | |
1656 | my $nofile = '/no/such/file'; | |
1657 | my $v; | |
1658 | $v = 1 + getc($nofile); | |
1659 | EXPECT | |
1660 | Use of uninitialized value in addition (+) at - line 4. | |
1661 | ######## | |
1662 | use warnings 'uninitialized'; | |
1663 | my $nofile = '/no/such/file'; | |
1664 | my $v; | |
1665 | $v = 1 + sysread($nofile, my $buf,1); | |
1666 | EXPECT | |
1667 | Use of uninitialized value in addition (+) at - line 4. | |
1668 | ######## | |
1669 | use warnings 'uninitialized'; | |
1670 | my $nofile = '/no/such/file'; | |
1671 | my $v; | |
1672 | $v = 1 + eval { send($nofile, $buf,0) }; | |
1673 | EXPECT | |
1674 | Use of uninitialized value in addition (+) at - line 4. | |
1675 | ######## | |
1676 | use warnings 'uninitialized'; | |
1677 | my $nofile = '/no/such/file'; | |
1678 | my $v; | |
1679 | my $fh = ""; | |
1680 | $v = 1 + eval { accept($fh, $nofile) }; | |
1681 | EXPECT | |
1682 | Use of uninitialized value in addition (+) at - line 5. | |
1683 | ######## | |
1684 | use warnings 'uninitialized'; | |
1685 | my $nofile = '/no/such/file'; | |
1686 | my $v; | |
8b0dea50 | 1687 | $v = 1 + (-r $nofile); |
0b9c91f6 NC |
1688 | EXPECT |
1689 | Use of uninitialized value in addition (+) at - line 4. | |
1690 | ######## | |
1691 | use warnings 'uninitialized'; | |
1692 | my $nofile = '/no/such/file'; | |
1693 | my $v; | |
8b0dea50 | 1694 | $v = 1 + (-w $nofile); |
0b9c91f6 NC |
1695 | EXPECT |
1696 | Use of uninitialized value in addition (+) at - line 4. | |
1697 | ######## | |
1698 | use warnings 'uninitialized'; | |
1699 | my $nofile = '/no/such/file'; | |
1700 | my $v; | |
8b0dea50 | 1701 | $v = 1 + (-x $nofile); |
0b9c91f6 NC |
1702 | EXPECT |
1703 | Use of uninitialized value in addition (+) at - line 4. | |
1704 | ######## | |
1705 | use warnings 'uninitialized'; | |
1706 | my $nofile = '/no/such/file'; | |
1707 | my $v; | |
8b0dea50 | 1708 | $v = 1 + (-o $nofile); |
0b9c91f6 NC |
1709 | EXPECT |
1710 | Use of uninitialized value in addition (+) at - line 4. | |
1711 | ######## | |
1712 | use warnings 'uninitialized'; | |
1713 | my $nofile = '/no/such/file'; | |
1714 | my $v; | |
8b0dea50 | 1715 | $v = 1 + (-R $nofile); |
0b9c91f6 NC |
1716 | EXPECT |
1717 | Use of uninitialized value in addition (+) at - line 4. | |
1718 | ######## | |
1719 | use warnings 'uninitialized'; | |
1720 | my $nofile = '/no/such/file'; | |
1721 | my $v; | |
8b0dea50 | 1722 | $v = 1 + (-W $nofile); |
0b9c91f6 NC |
1723 | EXPECT |
1724 | Use of uninitialized value in addition (+) at - line 4. | |
1725 | ######## | |
1726 | use warnings 'uninitialized'; | |
1727 | my $nofile = '/no/such/file'; | |
1728 | my $v; | |
8b0dea50 | 1729 | $v = 1 + (-X $nofile); |
0b9c91f6 NC |
1730 | EXPECT |
1731 | Use of uninitialized value in addition (+) at - line 4. | |
1732 | ######## | |
1733 | use warnings 'uninitialized'; | |
1734 | my $nofile = '/no/such/file'; | |
1735 | my $v; | |
8b0dea50 | 1736 | $v = 1 + (-O $nofile); |
0b9c91f6 NC |
1737 | EXPECT |
1738 | Use of uninitialized value in addition (+) at - line 4. | |
1739 | ######## | |
1740 | use warnings 'uninitialized'; | |
1741 | my $nofile = '/no/such/file'; | |
1742 | my $v; | |
8b0dea50 | 1743 | $v = 1 + (-e $nofile); |
0b9c91f6 NC |
1744 | EXPECT |
1745 | Use of uninitialized value in addition (+) at - line 4. | |
1746 | ######## | |
1747 | use warnings 'uninitialized'; | |
1748 | my $nofile = '/no/such/file'; | |
1749 | my $v; | |
8b0dea50 | 1750 | $v = 1 + (-z $nofile); |
0b9c91f6 NC |
1751 | EXPECT |
1752 | Use of uninitialized value in addition (+) at - line 4. | |
1753 | ######## | |
1754 | use warnings 'uninitialized'; | |
1755 | my $nofile = '/no/such/file'; | |
1756 | my $v; | |
8b0dea50 | 1757 | $v = 1 + (-s $nofile); |
0b9c91f6 NC |
1758 | EXPECT |
1759 | Use of uninitialized value in addition (+) at - line 4. | |
1760 | ######## | |
1761 | use warnings 'uninitialized'; | |
1762 | my $nofile = '/no/such/file'; | |
1763 | my $v; | |
8b0dea50 | 1764 | $v = 1 + (-f $nofile); |
0b9c91f6 NC |
1765 | EXPECT |
1766 | Use of uninitialized value in addition (+) at - line 4. | |
1767 | ######## | |
1768 | use warnings 'uninitialized'; | |
1769 | my $nofile = '/no/such/file'; | |
1770 | my $v; | |
8b0dea50 | 1771 | $v = 1 + (-d $nofile); |
0b9c91f6 NC |
1772 | EXPECT |
1773 | Use of uninitialized value in addition (+) at - line 4. | |
1774 | ######## | |
1775 | use warnings 'uninitialized'; | |
1776 | my $nofile = '/no/such/file'; | |
1777 | my $v; | |
8b0dea50 | 1778 | $v = 1 + (-l $nofile); |
0b9c91f6 NC |
1779 | EXPECT |
1780 | Use of uninitialized value in addition (+) at - line 4. | |
1781 | ######## | |
1782 | use warnings 'uninitialized'; | |
1783 | my $nofile = '/no/such/file'; | |
1784 | my $v; | |
8b0dea50 | 1785 | $v = 1 + (-p $nofile); |
0b9c91f6 NC |
1786 | EXPECT |
1787 | Use of uninitialized value in addition (+) at - line 4. | |
1788 | ######## | |
1789 | use warnings 'uninitialized'; | |
1790 | my $nofile = '/no/such/file'; | |
1791 | my $v; | |
8b0dea50 | 1792 | $v = 1 + (-S $nofile); |
0b9c91f6 NC |
1793 | EXPECT |
1794 | Use of uninitialized value in addition (+) at - line 4. | |
1795 | ######## | |
1796 | use warnings 'uninitialized'; | |
1797 | my $nofile = '/no/such/file'; | |
1798 | my $v; | |
8b0dea50 | 1799 | $v = 1 + (-b $nofile); |
0b9c91f6 NC |
1800 | EXPECT |
1801 | Use of uninitialized value in addition (+) at - line 4. | |
1802 | ######## | |
1803 | use warnings 'uninitialized'; | |
1804 | my $nofile = '/no/such/file'; | |
1805 | my $v; | |
8b0dea50 | 1806 | $v = 1 + (-c $nofile); |
0b9c91f6 NC |
1807 | EXPECT |
1808 | Use of uninitialized value in addition (+) at - line 4. | |
1809 | ######## | |
1810 | use warnings 'uninitialized'; | |
1811 | my $nofile = '/no/such/file'; | |
1812 | my $v; | |
8b0dea50 | 1813 | $v = 1 + (-t $nofile); |
0b9c91f6 NC |
1814 | EXPECT |
1815 | Use of uninitialized value in addition (+) at - line 4. | |
1816 | ######## | |
1817 | use warnings 'uninitialized'; | |
1818 | my $nofile = '/no/such/file'; | |
1819 | my $v; | |
8b0dea50 | 1820 | $v = 1 + (-u $nofile); |
0b9c91f6 NC |
1821 | EXPECT |
1822 | Use of uninitialized value in addition (+) at - line 4. | |
1823 | ######## | |
1824 | use warnings 'uninitialized'; | |
1825 | my $nofile = '/no/such/file'; | |
1826 | my $v; | |
8b0dea50 | 1827 | $v = 1 + (-g $nofile); |
0b9c91f6 NC |
1828 | EXPECT |
1829 | Use of uninitialized value in addition (+) at - line 4. | |
1830 | ######## | |
1831 | use warnings 'uninitialized'; | |
1832 | my $nofile = '/no/such/file'; | |
1833 | my $v; | |
8b0dea50 | 1834 | $v = 1 + (-T $nofile); |
0b9c91f6 NC |
1835 | EXPECT |
1836 | Use of uninitialized value in addition (+) at - line 4. | |
1837 | ######## | |
1838 | use warnings 'uninitialized'; | |
1839 | my $nofile = '/no/such/file'; | |
1840 | my $v; | |
8b0dea50 | 1841 | $v = 1 + (-B $nofile); |
0b9c91f6 NC |
1842 | EXPECT |
1843 | Use of uninitialized value in addition (+) at - line 4. | |
1844 | ######## | |
1845 | use warnings 'uninitialized'; | |
1846 | my $nofile = '/no/such/file'; | |
1847 | my $v; | |
8b0dea50 | 1848 | $v = 1 + (-M $nofile); |
0b9c91f6 NC |
1849 | EXPECT |
1850 | Use of uninitialized value in addition (+) at - line 4. | |
1851 | ######## | |
1852 | use warnings 'uninitialized'; | |
1853 | my $nofile = '/no/such/file'; | |
1854 | my $v; | |
8b0dea50 | 1855 | $v = 1 + (-A $nofile); |
0b9c91f6 NC |
1856 | EXPECT |
1857 | Use of uninitialized value in addition (+) at - line 4. | |
1858 | ######## | |
1859 | use warnings 'uninitialized'; | |
1860 | my $nofile = '/no/such/file'; | |
1861 | my $v; | |
8b0dea50 | 1862 | $v = 1 + (-C $nofile); |
0b9c91f6 NC |
1863 | EXPECT |
1864 | Use of uninitialized value in addition (+) at - line 4. | |
1865 | ######## | |
1866 | use warnings 'uninitialized'; | |
1867 | my $nofile = '/no/such/file'; | |
1868 | my $v; | |
8b0dea50 | 1869 | $v = 1 + eval { readlink $nofile }; |
0b9c91f6 NC |
1870 | EXPECT |
1871 | Use of uninitialized value in addition (+) at - line 4. | |
1872 | ######## | |
1873 | use warnings 'uninitialized'; | |
1874 | my $nofile = '/no/such/file'; | |
1875 | my $v; | |
8b0dea50 | 1876 | $v = 1 + opendir($f, $nofile); |
0b9c91f6 NC |
1877 | EXPECT |
1878 | Use of uninitialized value in addition (+) at - line 4. | |
1879 | ######## | |
1880 | use warnings 'uninitialized'; | |
1881 | my $nofile = '/no/such/file'; | |
1882 | my $v; | |
8b0dea50 | 1883 | $v = 1 + undef; |
0b9c91f6 NC |
1884 | EXPECT |
1885 | Use of uninitialized value in addition (+) at - line 4. | |
1886 | ######## | |
1887 | use warnings 'uninitialized'; | |
1888 | my $nofile = '/no/such/file'; | |
1889 | my $v; | |
8b0dea50 | 1890 | my $x = 1; $v = 1 + undef($x); |
0b9c91f6 NC |
1891 | EXPECT |
1892 | Use of uninitialized value in addition (+) at - line 4. | |
1893 | ######## | |
1894 | use warnings 'uninitialized'; | |
1895 | my $v; | |
8b0dea50 DM |
1896 | my $emptys = ""; |
1897 | $v = 1 + substr($emptys,2,1); | |
0b9c91f6 NC |
1898 | EXPECT |
1899 | Use of uninitialized value in addition (+) at - line 4. | |
1900 | ######## | |
1901 | use warnings 'uninitialized'; | |
1902 | my $v; | |
8b0dea50 DM |
1903 | my @emptya; |
1904 | $v = 1 + each @emptya; | |
0b9c91f6 NC |
1905 | EXPECT |
1906 | Use of uninitialized value in addition (+) at - line 4. | |
1907 | ######## | |
1908 | use warnings 'uninitialized'; | |
1909 | my $v; | |
1910 | my %emptyh; | |
8b0dea50 | 1911 | $v = 1 + each %emptyh; |
0b9c91f6 NC |
1912 | EXPECT |
1913 | Use of uninitialized value in addition (+) at - line 4. | |
1914 | ######## | |
1915 | use warnings 'uninitialized'; | |
1916 | my $v; | |
1917 | my @emptya; | |
8b0dea50 | 1918 | $v = 1 + sort @emptya; |
0b9c91f6 NC |
1919 | EXPECT |
1920 | Use of uninitialized value in addition (+) at - line 4. | |
1921 | ######## | |
1922 | use warnings 'uninitialized'; | |
1923 | my $v; | |
8b0dea50 | 1924 | my $zero = 0; $v = 1 + caller($zero); |
0b9c91f6 NC |
1925 | EXPECT |
1926 | Use of uninitialized value in addition (+) at - line 3. | |
1927 | ######## | |
1928 | use warnings 'uninitialized'; | |
1929 | my $nofile = '/no/such/file'; | |
1930 | my $v; | |
8b0dea50 | 1931 | $v = 1 + do $nofile; |
0b9c91f6 NC |
1932 | EXPECT |
1933 | Use of uninitialized value in addition (+) at - line 4. | |
1934 | ######## | |
1935 | use warnings 'uninitialized'; | |
1936 | my $v; | |
fa8d1836 DM |
1937 | my $fn = sub {}; |
1938 | $v = 1 + prototype $fn; | |
0b9c91f6 NC |
1939 | EXPECT |
1940 | Use of uninitialized value in addition (+) at - line 4. | |
1941 | ######## | |
0f539b13 | 1942 | use warnings 'uninitialized'; no warnings 'experimental::smartmatch'; |
0b9c91f6 NC |
1943 | my $v; |
1944 | my $fn = sub {}; | |
6ac83b63 | 1945 | $v = 1 + (1 ~~ $fn); |
0b9c91f6 NC |
1946 | EXPECT |
1947 | Use of uninitialized value in addition (+) at - line 4. | |
1948 | ######## | |
1949 | use warnings 'uninitialized'; | |
1950 | my $v; | |
1951 | my $f = ""; | |
fa8d1836 | 1952 | $v = 1 + (print STDIN $f); # print to STDIN returns undef |
0b9c91f6 NC |
1953 | EXPECT |
1954 | Use of uninitialized value in addition (+) at - line 4. | |
1955 | ######## | |
1956 | use warnings 'uninitialized'; | |
1957 | my $v; | |
1958 | my $f = ""; | |
fa8d1836 | 1959 | $v = 1 + (printf STDIN "%s", $f); |
0b9c91f6 NC |
1960 | EXPECT |
1961 | Use of uninitialized value in addition (+) at - line 4. | |
1962 | ######## | |
1963 | use warnings 'uninitialized'; | |
1964 | my $v; | |
1965 | my $f = ""; | |
fa8d1836 | 1966 | { use feature 'say'; $v = 1 + (say STDIN "%s", $f); } |
0b9c91f6 NC |
1967 | EXPECT |
1968 | Use of uninitialized value in addition (+) at - line 4. | |
1969 | ######## | |
1970 | use warnings 'uninitialized'; | |
1971 | my $v; | |
1972 | my $f = ""; | |
fa8d1836 | 1973 | $v = 1 + (unpack("",$f)); |
0b9c91f6 NC |
1974 | EXPECT |
1975 | Use of uninitialized value in addition (+) at - line 4. | |
1976 | ######## | |
1977 | use warnings 'uninitialized'; | |
1978 | my $nofile = '/no/such/file'; | |
1979 | my $v; | |
1980 | my $f = ""; | |
fa8d1836 | 1981 | $v = 1 + sysopen($f, $nofile, 0); |
0b9c91f6 NC |
1982 | EXPECT |
1983 | Use of uninitialized value in addition (+) at - line 5. | |
1984 | ######## | |
1985 | use warnings 'uninitialized'; | |
1986 | my $v; | |
4d6e9c13 GA |
1987 | { my $x = -1; $v = 1 + sysseek(DATA, $x, 0); } |
1988 | __END__ | |
8b0dea50 | 1989 | EXPECT |
0b9c91f6 | 1990 | Use of uninitialized value in addition (+) at - line 3. |
249534c3 FR |
1991 | ######## |
1992 | use warnings 'uninitialized'; | |
1993 | delete $::{'Foo::'}; | |
1994 | my $moo = $Foo::BAR + 42; | |
1995 | __END__ | |
1996 | EXPECT | |
1997 | Use of uninitialized value in addition (+) at - line 3. | |
8f84cc86 FC |
1998 | ######## |
1999 | use warnings 'uninitialized'; | |
2000 | use constant {u=>undef, v=>undef}; | |
2001 | sub foo () {u} | |
2002 | sub foo () {v} | |
2003 | EXPECT | |
50de2b3a FC |
2004 | ######## |
2005 | # [perl #72090] | |
2006 | use warnings 'uninitialized'; | |
2007 | $a = @$a > 0; | |
2008 | EXPECT | |
2009 | Use of uninitialized value $a in array dereference at - line 3. | |
2010 | Use of uninitialized value in numeric gt (>) at - line 3. | |
73b42cee FC |
2011 | ######## |
2012 | # [perl #103766] | |
2013 | use warnings 'uninitialized'; | |
2014 | "@{[ $x ]}"; | |
2015 | EXPECT | |
2016 | Use of uninitialized value in join or string at - line 3. | |
3207fc6b FC |
2017 | ######## |
2018 | # inside formats | |
2019 | use warnings 'uninitialized'; | |
2020 | my $x; | |
2021 | format = | |
2022 | @ | |
2023 | "$x"; | |
2024 | . | |
2025 | write; | |
2026 | EXPECT | |
2027 | Use of uninitialized value $x in string at - line 6. | |
40baebf6 | 2028 | ######## |
40baebf6 YO |
2029 | # NAME off-by-one error in hash bucket walk in key detection logic |
2030 | use warnings 'uninitialized'; | |
3207fc6b | 2031 | |
40baebf6 YO |
2032 | for ( 0 .. 20 ) { # we assume that this means we test keys for every bucket |
2033 | my %h= ( $_ => undef ); | |
2034 | my $s= sprintf "%s", $h{$_}; | |
2035 | } | |
2036 | EXPECT | |
2037 | Use of uninitialized value $h{"0"} in sprintf at - line 5. | |
2038 | Use of uninitialized value $h{"1"} in sprintf at - line 5. | |
2039 | Use of uninitialized value $h{"2"} in sprintf at - line 5. | |
2040 | Use of uninitialized value $h{"3"} in sprintf at - line 5. | |
2041 | Use of uninitialized value $h{"4"} in sprintf at - line 5. | |
2042 | Use of uninitialized value $h{"5"} in sprintf at - line 5. | |
2043 | Use of uninitialized value $h{"6"} in sprintf at - line 5. | |
2044 | Use of uninitialized value $h{"7"} in sprintf at - line 5. | |
2045 | Use of uninitialized value $h{"8"} in sprintf at - line 5. | |
2046 | Use of uninitialized value $h{"9"} in sprintf at - line 5. | |
2047 | Use of uninitialized value $h{"10"} in sprintf at - line 5. | |
2048 | Use of uninitialized value $h{"11"} in sprintf at - line 5. | |
2049 | Use of uninitialized value $h{"12"} in sprintf at - line 5. | |
2050 | Use of uninitialized value $h{"13"} in sprintf at - line 5. | |
2051 | Use of uninitialized value $h{"14"} in sprintf at - line 5. | |
2052 | Use of uninitialized value $h{"15"} in sprintf at - line 5. | |
2053 | Use of uninitialized value $h{"16"} in sprintf at - line 5. | |
2054 | Use of uninitialized value $h{"17"} in sprintf at - line 5. | |
2055 | Use of uninitialized value $h{"18"} in sprintf at - line 5. | |
2056 | Use of uninitialized value $h{"19"} in sprintf at - line 5. | |
2057 | Use of uninitialized value $h{"20"} in sprintf at - line 5. | |
cd84013a FC |
2058 | ######## |
2059 | # NAME SvPOK && SvLEN==0 should not produce uninit warning | |
2060 | use warnings 'uninitialized'; | |
2061 | ||
2062 | $v = int(${qr||}); # sv_2iv on a regexp | |
2063 | $v = 1.1 * ${qr||}; # sv_2nv on a regexp | |
2064 | $v = ${qr||} << 2; # sv_2uv on a regexp | |
2065 | ||
2066 | sub TIESCALAR{bless[]} | |
2067 | sub FETCH {${qr||}} | |
2068 | tie $t, ""; | |
2069 | $v = 1.1 * $t; # sv_2nv on a tied regexp | |
2070 | ||
2071 | EXPECT | |
fedf30e1 DM |
2072 | ######## |
2073 | # multi-level uninitialised array/hash indexes | |
2074 | use warnings 'uninitialized'; | |
2075 | ||
2076 | our ($i0, $i2, $i4, $i6, $i8, $i10, $i12); | |
2077 | my ($i1, $i3, $i5, $i7, $i9, $i11, $i13); | |
2078 | ||
2079 | my (@a,%h); | |
2080 | my $v; | |
2081 | ||
2082 | ||
2083 | # use enough depth that OP_MULTIDEREF needs more than one action word | |
2084 | ||
2085 | $v = $a[$i0]{$i1}[$i2]{$i3}[$i4]{$i5}[$i6]{$i7}[$i8]{$i9}[$i10]{$i11}[$i12]{$i13}; | |
2086 | $v = $h{$i0}[$i1]{$i2}[$i3]{$i4}[$i5]{$i6}[$i7]{$i8}[$i9]{$i10}[$i11]{$i12}[$i13]; | |
2087 | ||
2088 | EXPECT | |
2089 | Use of uninitialized value $i0 in array element at - line 13. | |
2090 | Use of uninitialized value $i1 in hash element at - line 13. | |
2091 | Use of uninitialized value $i2 in array element at - line 13. | |
2092 | Use of uninitialized value $i3 in hash element at - line 13. | |
2093 | Use of uninitialized value $i4 in array element at - line 13. | |
2094 | Use of uninitialized value $i5 in hash element at - line 13. | |
2095 | Use of uninitialized value $i6 in array element at - line 13. | |
2096 | Use of uninitialized value $i7 in hash element at - line 13. | |
2097 | Use of uninitialized value $i8 in array element at - line 13. | |
2098 | Use of uninitialized value $i9 in hash element at - line 13. | |
2099 | Use of uninitialized value $i10 in array element at - line 13. | |
2100 | Use of uninitialized value $i11 in hash element at - line 13. | |
2101 | Use of uninitialized value $i12 in array element at - line 13. | |
2102 | Use of uninitialized value $i13 in hash element at - line 13. | |
2103 | Use of uninitialized value $i0 in hash element at - line 14. | |
2104 | Use of uninitialized value $i1 in array element at - line 14. | |
2105 | Use of uninitialized value $i2 in hash element at - line 14. | |
2106 | Use of uninitialized value $i3 in array element at - line 14. | |
2107 | Use of uninitialized value $i4 in hash element at - line 14. | |
2108 | Use of uninitialized value $i5 in array element at - line 14. | |
2109 | Use of uninitialized value $i6 in hash element at - line 14. | |
2110 | Use of uninitialized value $i7 in array element at - line 14. | |
2111 | Use of uninitialized value $i8 in hash element at - line 14. | |
2112 | Use of uninitialized value $i9 in array element at - line 14. | |
2113 | Use of uninitialized value $i10 in hash element at - line 14. | |
2114 | Use of uninitialized value $i11 in array element at - line 14. | |
2115 | Use of uninitialized value $i12 in hash element at - line 14. | |
2116 | Use of uninitialized value $i13 in array element at - line 14. | |
2117 | ######## | |
2118 | # misc multideref | |
2119 | use warnings 'uninitialized'; | |
2120 | my ($i,$j,$k); | |
2121 | my @a; | |
2122 | my @ra = \@a; | |
2123 | my $v; | |
2124 | $v = exists $a[$i]{$k}; | |
2125 | $v = delete $a[$i]{$k}; | |
2126 | $v = local $a[$i]{$k}; | |
2127 | delete $a[$i]{$k}; | |
2128 | $v = $ra->[$i+$j]{$k}; | |
2129 | $v = ($ra//0)->[$i]{$k}; | |
2130 | $v = $a[length $i]{$k} | |
2131 | EXPECT | |
2132 | Use of uninitialized value $i in array element at - line 7. | |
2133 | Use of uninitialized value $k in exists at - line 7. | |
2134 | Use of uninitialized value $i in array element at - line 8. | |
2135 | Use of uninitialized value $k in delete at - line 8. | |
2136 | Use of uninitialized value $i in array element at - line 9. | |
2137 | Use of uninitialized value $k in hash element at - line 9. | |
2138 | Use of uninitialized value $k in hash element at - line 9. | |
2139 | Use of uninitialized value $k in hash element at - line 9. | |
2140 | Use of uninitialized value $i in array element at - line 10. | |
2141 | Use of uninitialized value $k in delete at - line 10. | |
2142 | Use of uninitialized value $j in addition (+) at - line 11. | |
2143 | Use of uninitialized value $i in addition (+) at - line 11. | |
2144 | Use of uninitialized value $k in hash element at - line 11. | |
2145 | Use of uninitialized value $i in array element at - line 12. | |
2146 | Use of uninitialized value $k in hash element at - line 12. | |
2147 | Use of uninitialized value $i in array element at - line 13. | |
2148 | Use of uninitialized value $k in hash element at - line 13. | |
51f69a24 AC |
2149 | ######## |
2150 | # perl #127877 | |
2151 | use warnings 'uninitialized'; | |
2152 | my ($p, $q, $r, $s, $t, $u, $v, $w, $x, $y); | |
2153 | $p = $p . "a"; | |
2154 | $q .= "a"; | |
2155 | $r = $r + 17; | |
2156 | $s += 17; | |
2157 | $t = $t - 17; | |
2158 | $u -= 17; | |
2159 | use integer; | |
2160 | $v = $v + 17; | |
2161 | $w += 17; | |
2162 | $x = $x - 17; | |
2163 | $y -= 17; | |
2164 | EXPECT | |
2165 | Use of uninitialized value $p in concatenation (.) or string at - line 4. | |
2166 | Use of uninitialized value $r in addition (+) at - line 6. | |
2167 | Use of uninitialized value $t in subtraction (-) at - line 8. | |
2168 | Use of uninitialized value $v in integer addition (+) at - line 11. | |
2169 | Use of uninitialized value $x in integer subtraction (-) at - line 13. | |
1b3df0e6 FC |
2170 | ######## |
2171 | # NAME 64-bit array subscripts | |
2a1ad507 | 2172 | # SKIP ? length(pack "p", "") < 8 |
1b3df0e6 FC |
2173 | use warnings 'uninitialized'; |
2174 | ||
2175 | # aelem + const | |
2176 | use constant foo => \0; | |
2177 | $SIG{__WARN__} = sub { | |
d3ac9355 | 2178 | print STDERR |
1b3df0e6 FC |
2179 | $_[0] =~ /\$a\[([^]]+)]/ && $1 == foo |
2180 | ? "ok\n" | |
2181 | : ("$1 != ",0+foo,"\n") | |
2182 | }; | |
2183 | () = "$a[foo]"; | |
2184 | undef $SIG{__WARN__}; | |
2185 | ||
2186 | # Multideref | |
2187 | () = "$a[140688675223280]"; | |
2188 | EXPECT | |
1b3df0e6 | 2189 | ok |
d3ac9355 | 2190 | Use of uninitialized value $a[140688675223280] in string at - line 15. |
6b57d4bc DM |
2191 | ######## |
2192 | # RT #128940 | |
2193 | use warnings 'uninitialized'; | |
2194 | my $x = "" . open my $fh, "<", "no / such / file"; | |
2195 | EXPECT | |
2196 | Use of uninitialized value in concatenation (.) or string at - line 3. | |
614f2ce4 DM |
2197 | ######## |
2198 | # RT #123910 | |
2199 | # undef's arg being undef doesn't trigger warnings - any warning will be | |
2200 | # from tied/magic vars | |
2201 | use warnings 'uninitialized'; | |
2202 | undef $0; | |
2203 | EXPECT | |
2204 | Use of uninitialized value in undef operator at - line 5. |