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 $m1 in addition (+) at - line 6. | |
34 | ######## | |
35 | use warnings 'uninitialized'; | |
36 | my ($m1, $v); | |
37 | our ($g1, $g2); | |
38 | ||
39 | $v = $g1 + 21; | |
40 | $v = 31 + $g2; | |
41 | $v = $g1 + $g2; | |
42 | $v = $m1 + $g2; | |
43 | EXPECT | |
44 | Use of uninitialized value $g1 in addition (+) at - line 5. | |
45 | Use of uninitialized value $g2 in addition (+) at - line 6. | |
46 | Use of uninitialized value $g2 in addition (+) at - line 7. | |
47 | Use of uninitialized value $g1 in addition (+) at - line 7. | |
48 | Use of uninitialized value $g2 in addition (+) at - line 8. | |
49 | Use of uninitialized value $m1 in addition (+) at - line 8. | |
50 | ######## | |
51 | use warnings 'uninitialized'; | |
52 | my ($m1, @ma, $v); | |
53 | ||
54 | $v = $ma[5] + 45; | |
55 | $v = 56 + $ma[6]; | |
56 | $v = $ma[7] + $m1; | |
57 | $v = $ma[8] + $ma[9]; | |
58 | $v = $ma[-1] + $ma[-2]; | |
59 | EXPECT | |
60 | Use of uninitialized value $ma[5] in addition (+) at - line 4. | |
61 | Use of uninitialized value $ma[6] in addition (+) at - line 5. | |
62 | Use of uninitialized value $m1 in addition (+) at - line 6. | |
63 | Use of uninitialized value in addition (+) at - line 6. | |
64 | Use of uninitialized value in addition (+) at - line 7. | |
65 | Use of uninitialized value in addition (+) at - line 7. | |
66 | Use of uninitialized value in addition (+) at - line 8. | |
67 | Use of uninitialized value in addition (+) at - line 8. | |
68 | ######## | |
69 | use warnings 'uninitialized'; | |
70 | my ($v); | |
71 | my @mau = (undef) x 258; | |
72 | my %mhu = ('foo', undef, 'bar', undef); | |
73 | ||
74 | $v = $mau[5] + 23; | |
75 | $v = $mau[-5] + 45; | |
76 | $v = 56 + $mau[6]; | |
77 | $v = 78 + $mau[-6]; | |
78 | $v = $mau[7] + $mau[8]; | |
79 | $v = $mau[256] + $mau[257]; | |
80 | $v = $mau[-1] + $mau[-2]; | |
81 | $v = $mhu{foo} + $mhu{bar}; | |
82 | EXPECT | |
83 | Use of uninitialized value $mau[5] in addition (+) at - line 6. | |
84 | Use of uninitialized value $mau[-5] in addition (+) at - line 7. | |
85 | Use of uninitialized value $mau[6] in addition (+) at - line 8. | |
86 | Use of uninitialized value $mau[-6] in addition (+) at - line 9. | |
87 | Use of uninitialized value $mau[8] in addition (+) at - line 10. | |
88 | Use of uninitialized value $mau[7] in addition (+) at - line 10. | |
89 | Use of uninitialized value $mau[257] in addition (+) at - line 11. | |
90 | Use of uninitialized value $mau[256] in addition (+) at - line 11. | |
91 | Use of uninitialized value $mau[-2] in addition (+) at - line 12. | |
92 | Use of uninitialized value $mau[-1] in addition (+) at - line 12. | |
93 | Use of uninitialized value $mhu{"bar"} in addition (+) at - line 13. | |
94 | Use of uninitialized value $mhu{"foo"} in addition (+) at - line 13. | |
95 | ######## | |
96 | use warnings 'uninitialized'; | |
97 | my ($v); | |
98 | our (@ga); | |
99 | ||
100 | $v = $ga[8] + 21; | |
101 | $v = $ga[-8] + 46; | |
102 | $v = 57 + $ga[9]; | |
103 | $v = 58 + $ga[-9]; | |
104 | $v = $ga[10] + $ga[11]; | |
105 | $v = $ga[-10] + $ga[-11]; | |
106 | EXPECT | |
107 | Use of uninitialized value $ga[8] in addition (+) at - line 5. | |
108 | Use of uninitialized value $ga[-8] in addition (+) at - line 6. | |
109 | Use of uninitialized value $ga[9] in addition (+) at - line 7. | |
110 | Use of uninitialized value $ga[-9] in addition (+) at - line 8. | |
111 | Use of uninitialized value in addition (+) at - line 9. | |
112 | Use of uninitialized value in addition (+) at - line 9. | |
113 | Use of uninitialized value in addition (+) at - line 10. | |
114 | Use of uninitialized value in addition (+) at - line 10. | |
115 | ######## | |
116 | use warnings 'uninitialized'; | |
117 | my ($v); | |
118 | our @gau = (undef) x 258; | |
119 | our %ghu = ('foo', undef, 'bar', undef); | |
120 | ||
121 | $v = $gau[8] + 46; | |
122 | $v = $gau[-8] + 47; | |
123 | $v = 57 + $gau[9]; | |
124 | $v = 57 + $gau[-9]; | |
125 | $v = $gau[10] + $gau[11]; | |
126 | $v = $gau[256] + $gau[257]; | |
127 | $v = $gau[-1] + $gau[-2]; | |
128 | $v = $ghu{foo} + $ghu{bar}; | |
129 | EXPECT | |
130 | Use of uninitialized value $gau[8] in addition (+) at - line 6. | |
131 | Use of uninitialized value $gau[-8] in addition (+) at - line 7. | |
132 | Use of uninitialized value $gau[9] in addition (+) at - line 8. | |
133 | Use of uninitialized value $gau[-9] in addition (+) at - line 9. | |
134 | Use of uninitialized value $gau[11] in addition (+) at - line 10. | |
135 | Use of uninitialized value $gau[10] in addition (+) at - line 10. | |
136 | Use of uninitialized value $gau[257] in addition (+) at - line 11. | |
137 | Use of uninitialized value $gau[256] in addition (+) at - line 11. | |
138 | Use of uninitialized value $gau[-2] in addition (+) at - line 12. | |
139 | Use of uninitialized value $gau[-1] in addition (+) at - line 12. | |
140 | Use of uninitialized value $ghu{"bar"} in addition (+) at - line 13. | |
141 | Use of uninitialized value $ghu{"foo"} in addition (+) at - line 13. | |
142 | ######## | |
143 | use warnings 'uninitialized'; | |
144 | my ($v); | |
145 | our @gau = (undef) x 258; | |
146 | our %ghu = ('foo', undef, 'bar', undef); | |
147 | my @mau = (undef) x 258; | |
148 | my %mhu = ('foo', undef, 'bar', undef); | |
149 | ||
150 | my $i1 = 10; | |
151 | my $i2 = 20; | |
152 | my $i3 = 2000; | |
153 | my $k1 = 'foo'; | |
154 | my $k2 = 'bar'; | |
155 | my $k3 = 'baz'; | |
156 | $v = $mau[$i1] + $mau[$i2]; | |
157 | $v = $gau[$i1] + $gau[$i2]; | |
158 | $v = $gau[$i1] + $gau[$i3]; | |
159 | $v = $mhu{$k1} + $mhu{$k2}; | |
160 | $v = $ghu{$k1} + $ghu{$k2}; | |
161 | $v = $ghu{$k1} + $ghu{$k3}; | |
162 | EXPECT | |
163 | Use of uninitialized value $mau[20] in addition (+) at - line 14. | |
164 | Use of uninitialized value $mau[10] in addition (+) at - line 14. | |
165 | Use of uninitialized value $gau[20] in addition (+) at - line 15. | |
166 | Use of uninitialized value $gau[10] in addition (+) at - line 15. | |
167 | Use of uninitialized value in addition (+) at - line 16. | |
168 | Use of uninitialized value $gau[10] in addition (+) at - line 16. | |
169 | Use of uninitialized value $mhu{"bar"} in addition (+) at - line 17. | |
170 | Use of uninitialized value $mhu{"foo"} in addition (+) at - line 17. | |
171 | Use of uninitialized value $ghu{"bar"} in addition (+) at - line 18. | |
172 | Use of uninitialized value $ghu{"foo"} in addition (+) at - line 18. | |
173 | Use of uninitialized value in addition (+) at - line 19. | |
174 | Use of uninitialized value $ghu{"foo"} in addition (+) at - line 19. | |
175 | ######## | |
176 | use warnings 'uninitialized'; | |
177 | my ($m1, $m2, @ma, %mh, $v); | |
178 | our ($g1, $g2, @ga, %gh); | |
179 | ||
180 | $v = $ma[$m1]; | |
181 | $v = $ma[$g1]; | |
182 | $v = $ga[$m2]; | |
183 | $v = $ga[$g2]; | |
184 | ||
185 | $v = $mh{$m1}; | |
186 | $v = $mh{$g1}; | |
187 | $v = $gh{$m2}; | |
188 | $v = $gh{$g2}; | |
189 | ||
190 | $v = $m1+($m2-$g1); | |
191 | $v = $ma[$ga[3]]; | |
192 | $v = $ga[$ma[4]]; | |
193 | EXPECT | |
194 | Use of uninitialized value $m1 in array element at - line 5. | |
195 | Use of uninitialized value $g1 in array element at - line 6. | |
196 | Use of uninitialized value $m2 in array element at - line 7. | |
197 | Use of uninitialized value $g2 in array element at - line 8. | |
198 | Use of uninitialized value $m1 in hash element at - line 10. | |
199 | Use of uninitialized value $g1 in hash element at - line 11. | |
200 | Use of uninitialized value $m2 in hash element at - line 12. | |
201 | Use of uninitialized value $g2 in hash element at - line 13. | |
202 | Use of uninitialized value $g1 in subtraction (-) at - line 15. | |
203 | Use of uninitialized value $m2 in subtraction (-) at - line 15. | |
204 | Use of uninitialized value $m1 in addition (+) at - line 15. | |
205 | Use of uninitialized value $ga[3] in array element at - line 16. | |
206 | Use of uninitialized value $ma[4] in array element at - line 17. | |
207 | ######## | |
208 | use warnings 'uninitialized'; | |
209 | my (@ma, %mh, $v); | |
210 | our (@ga, %gh); | |
211 | ||
212 | $v = sin $ga[1000]; | |
213 | $v = sin $ma[1000]; | |
214 | $v = sin $gh{foo}; | |
215 | $v = sin $mh{bar}; | |
216 | ||
217 | $v = sin $ga[$$]; | |
218 | $v = sin $ma[$$]; | |
219 | $v = sin $gh{$$}; | |
220 | $v = sin $mh{$$}; | |
221 | EXPECT | |
222 | Use of uninitialized value $ga[1000] in sin at - line 5. | |
223 | Use of uninitialized value $ma[1000] in sin at - line 6. | |
224 | Use of uninitialized value $gh{"foo"} in sin at - line 7. | |
225 | Use of uninitialized value $mh{"bar"} in sin at - line 8. | |
226 | Use of uninitialized value within @ga in sin at - line 10. | |
227 | Use of uninitialized value within @ma in sin at - line 11. | |
228 | Use of uninitialized value within %gh in sin at - line 12. | |
229 | Use of uninitialized value within %mh in sin at - line 13. | |
230 | ######## | |
231 | use warnings 'uninitialized'; | |
232 | my (@mat, %mht, $v); | |
233 | sub X::TIEARRAY { bless [], 'X' } | |
234 | sub X::TIEHASH { bless [], 'X' } | |
235 | sub X::FETCH { undef } | |
236 | tie @mat, 'X'; | |
237 | tie %mht, 'X'; | |
238 | my $key1 = 'akey'; | |
239 | my $key2 = 'bkey'; | |
240 | my $index1 = 33; | |
241 | my $index2 = 55; | |
242 | ||
243 | $v = sin $mat[0]; | |
244 | $v = $mat[0] + $mat[1]; | |
245 | $v = sin $mat[1000]; | |
246 | $v = $mat[1000] + $mat[1001]; | |
247 | ||
248 | $v = sin $mat[$index1]; | |
249 | $v = $mat[$index1] + $mat[$index2]; | |
250 | ||
251 | $v = sin $mht{foo}; | |
252 | $v = $mht{foo} + $mht{bar}; | |
253 | ||
254 | $v = sin $mht{$key1}; | |
255 | $v = $mht{$key1} + $mht{$key2}; | |
256 | ||
257 | $v = $1+1; | |
258 | EXPECT | |
259 | Use of uninitialized value $mat[0] in sin at - line 13. | |
260 | Use of uninitialized value in addition (+) at - line 14. | |
261 | Use of uninitialized value in addition (+) at - line 14. | |
262 | Use of uninitialized value $mat[1000] in sin at - line 15. | |
263 | Use of uninitialized value in addition (+) at - line 16. | |
264 | Use of uninitialized value in addition (+) at - line 16. | |
265 | Use of uninitialized value within @mat in sin at - line 18. | |
266 | Use of uninitialized value in addition (+) at - line 19. | |
267 | Use of uninitialized value in addition (+) at - line 19. | |
268 | Use of uninitialized value $mht{"foo"} in sin at - line 21. | |
269 | Use of uninitialized value in addition (+) at - line 22. | |
270 | Use of uninitialized value in addition (+) at - line 22. | |
271 | Use of uninitialized value within %mht in sin at - line 24. | |
272 | Use of uninitialized value in addition (+) at - line 25. | |
273 | Use of uninitialized value in addition (+) at - line 25. | |
274 | Use of uninitialized value $1 in addition (+) at - line 27. | |
275 | ######## | |
276 | use warnings 'uninitialized'; | |
277 | my ($m1); | |
278 | our ($g1, @ga); | |
279 | ||
280 | print $ga[1000]; | |
281 | print STDERR $ga[1000]; | |
282 | print STDERR $m1, $g1, $ga[1],$m2; | |
283 | print STDERR "", $ga[1],""; | |
284 | EXPECT | |
fa8d1836 DM |
285 | Use of uninitialized value in print at - line 5. |
286 | Use of uninitialized value in print at - line 6. | |
29489e7c DM |
287 | Use of uninitialized value $m1 in print at - line 7. |
288 | Use of uninitialized value $g1 in print at - line 7. | |
289 | Use of uninitialized value in print at - line 7. | |
290 | Use of uninitialized value $m2 in print at - line 7. | |
fa8d1836 | 291 | Use of uninitialized value in print at - line 8. |
29489e7c DM |
292 | ######## |
293 | use warnings 'uninitialized'; | |
294 | my ($m1); | |
295 | our ($g1); | |
296 | ||
297 | close $m1; # exercises rv2gv | |
298 | close $g1; # exercises rv2gv | |
299 | EXPECT | |
300 | Use of uninitialized value $m1 in ref-to-glob cast at - line 5. | |
301 | Use of uninitialized value $g1 in ref-to-glob cast at - line 6. | |
302 | ######## | |
303 | use warnings 'uninitialized'; | |
304 | my ($m1, $m2, $v); | |
305 | our ($g1, $g2); | |
306 | ||
307 | $v = $$m1; | |
308 | $v = $$g1; | |
309 | ||
310 | $v = @$m1; | |
311 | $v = @$g1; | |
312 | $v = %$m2; | |
313 | $v = %$g2; | |
e21bd382 DM |
314 | |
315 | $v = ${"foo.bar"}+1; | |
316 | $v = ${"foo$m1"}+1; | |
317 | $v = ${"foo$g1"}+1; | |
29489e7c DM |
318 | EXPECT |
319 | Use of uninitialized value $m1 in scalar dereference at - line 5. | |
320 | Use of uninitialized value $g1 in scalar dereference at - line 6. | |
321 | Use of uninitialized value $m1 in array dereference at - line 8. | |
322 | Use of uninitialized value $g1 in array dereference at - line 9. | |
323 | Use of uninitialized value $m2 in hash dereference at - line 10. | |
324 | Use of uninitialized value $g2 in hash dereference at - line 11. | |
e21bd382 DM |
325 | Use of uninitialized value in addition (+) at - line 13. |
326 | Use of uninitialized value $m1 in concatenation (.) or string at - line 14. | |
327 | Use of uninitialized value in addition (+) at - line 14. | |
328 | Use of uninitialized value $g1 in concatenation (.) or string at - line 15. | |
329 | Use of uninitialized value in addition (+) at - line 15. | |
29489e7c DM |
330 | ######## |
331 | use warnings 'uninitialized'; | |
332 | my ($m1, $v); | |
333 | our ($g1); | |
334 | ||
335 | $v = $m1 | $m2; | |
336 | $v = $m1 & $m2; | |
337 | $v = $m1 ^ $m2; | |
338 | $v = ~$m1; | |
339 | ||
340 | $v = $g1 | $g2; | |
341 | $v = $g1 & $g2; | |
342 | $v = $g1 ^ $g2; | |
343 | $v = ~$g1; | |
344 | EXPECT | |
345 | Use of uninitialized value $m1 in bitwise or (|) at - line 5. | |
346 | Use of uninitialized value $m2 in bitwise or (|) at - line 5. | |
347 | Use of uninitialized value $m1 in bitwise and (&) at - line 6. | |
348 | Use of uninitialized value $m2 in bitwise and (&) at - line 6. | |
349 | Use of uninitialized value $m1 in bitwise xor (^) at - line 7. | |
350 | Use of uninitialized value $m2 in bitwise xor (^) at - line 7. | |
351 | Use of uninitialized value $m1 in 1's complement (~) at - line 8. | |
352 | Use of uninitialized value $g1 in bitwise or (|) at - line 10. | |
353 | Use of uninitialized value $g2 in bitwise or (|) at - line 10. | |
354 | Use of uninitialized value $g1 in bitwise and (&) at - line 11. | |
355 | Use of uninitialized value $g2 in bitwise and (&) at - line 11. | |
356 | Use of uninitialized value $g1 in bitwise xor (^) at - line 12. | |
357 | Use of uninitialized value $g2 in bitwise xor (^) at - line 12. | |
358 | Use of uninitialized value $g1 in 1's complement (~) at - line 13. | |
359 | ######## | |
360 | use warnings 'uninitialized'; | |
361 | my ($v); | |
362 | ||
363 | my $tmp1; $v = $tmp1++; # (doesn't warn) | |
364 | our $tmp2; $v = $tmp2++; # (doesn't warn) | |
365 | my $tmp3; $v = ++$tmp1; # (doesn't warn) | |
366 | our $tmp4; $v = ++$tmp2; # (doesn't warn) | |
367 | ||
368 | my $tmp5; $v = $tmp5--; # (doesn't warn) | |
369 | our $tmp6; $v = $tmp6--; # (doesn't warn) | |
370 | my $tmp7; $v = --$tmp7; # (doesn't warn) | |
371 | our $tmp8; $v = --$tmp8; # (doesn't warn) | |
372 | EXPECT | |
373 | ######## | |
374 | use warnings 'uninitialized'; | |
375 | ||
376 | my $s1; chomp $s1; | |
377 | my $s2; chop $s2; | |
378 | my ($s3,$s4); chomp ($s3,$s4); | |
379 | my ($s5,$s6); chop ($s5,$s6); | |
380 | EXPECT | |
381 | Use of uninitialized value $s1 in scalar chomp at - line 3. | |
382 | Use of uninitialized value $s2 in scalar chop at - line 4. | |
383 | Use of uninitialized value $s4 in chomp at - line 5. | |
384 | Use of uninitialized value $s3 in chomp at - line 5. | |
385 | Use of uninitialized value $s5 in chop at - line 6. | |
386 | Use of uninitialized value $s6 in chop at - line 6. | |
387 | ######## | |
388 | use warnings 'uninitialized'; | |
389 | my ($m1); | |
390 | ||
391 | local $/ =\$m1; | |
392 | my $x = "abc"; | |
393 | chomp $x; chop $x; | |
394 | my $y; | |
395 | chomp ($x, $y); chop ($x, $y); | |
396 | EXPECT | |
397 | Use of uninitialized value ${$/} in scalar chomp at - line 6. | |
398 | Use of uninitialized value ${$/} in chomp at - line 8. | |
399 | Use of uninitialized value $y in chomp at - line 8. | |
400 | Use of uninitialized value ${$/} in chomp at - line 8. | |
401 | Use of uninitialized value $y in chop at - line 8. | |
402 | ######## | |
403 | use warnings 'uninitialized'; | |
404 | my ($m1, @ma, %mh); | |
405 | our ($g1); | |
406 | ||
407 | delete $ma[$m1]; | |
408 | delete @ma[$m1, $g1]; | |
409 | delete $mh{$m1}; | |
410 | delete @mh{$m1, $g1}; | |
411 | EXPECT | |
412 | Use of uninitialized value $m1 in delete at - line 5. | |
413 | Use of uninitialized value $m1 in delete at - line 6. | |
414 | Use of uninitialized value $g1 in delete at - line 6. | |
415 | Use of uninitialized value $m1 in delete at - line 7. | |
416 | Use of uninitialized value $m1 in delete at - line 8. | |
417 | Use of uninitialized value $g1 in delete at - line 8. | |
418 | ######## | |
419 | use warnings 'uninitialized'; | |
420 | my ($m1, @ma, %mh); | |
421 | our ($g1); | |
422 | ||
423 | my @a = @ma[$m1, $g1]; | |
424 | @a = (4,5)[$m1, $g1]; | |
425 | @a = @mh{$m1, $g1}; | |
426 | EXPECT | |
427 | Use of uninitialized value $m1 in array slice at - line 5. | |
428 | Use of uninitialized value $g1 in array slice at - line 5. | |
429 | Use of uninitialized value $m1 in list slice at - line 6. | |
430 | Use of uninitialized value $g1 in list slice at - line 6. | |
431 | Use of uninitialized value $m1 in hash slice at - line 7. | |
432 | Use of uninitialized value $g1 in hash slice at - line 7. | |
433 | ######## | |
434 | use warnings 'uninitialized'; | |
435 | my ($m1, @ma, %mh, $v); | |
436 | our ($g1, @ga, %gh); | |
437 | ||
438 | $v = exists $ma[$m1]; | |
439 | $v = exists $ga[$g1]; | |
440 | $v = exists $mh{$m1}; | |
441 | $v = exists $gh{$g1}; | |
442 | EXPECT | |
443 | Use of uninitialized value $m1 in exists at - line 5. | |
444 | Use of uninitialized value $g1 in exists at - line 6. | |
445 | Use of uninitialized value $m1 in exists at - line 7. | |
446 | Use of uninitialized value $g1 in exists at - line 8. | |
447 | ######## | |
448 | use warnings 'uninitialized'; | |
449 | my ($m1, $v); | |
450 | our ($g1); | |
451 | ||
452 | my ($x1,$x2); | |
453 | $v = $x1 << $m1; | |
454 | $v = $x2 << $g1; | |
455 | EXPECT | |
456 | Use of uninitialized value $m1 in left bitshift (<<) at - line 6. | |
457 | Use of uninitialized value $x1 in left bitshift (<<) at - line 6. | |
458 | Use of uninitialized value $g1 in left bitshift (<<) at - line 7. | |
459 | Use of uninitialized value $x2 in left bitshift (<<) at - line 7. | |
460 | ######## | |
461 | use warnings 'uninitialized'; | |
462 | my ($m1, $m2, $v); | |
463 | our ($g1, $g2); | |
464 | ||
465 | use integer; | |
466 | $v = $m1 + $g1; | |
467 | $v = $m1 - $g1; | |
468 | $v = $m1 * $g1; | |
469 | eval {$v = $m1 / $g1}; | |
470 | $v = $m2 / 2; | |
471 | eval {$v = $m1 % $g1}; | |
472 | $v = $m2 % 2; | |
473 | $v = $m1 < $g1; | |
474 | $v = $m1 > $g1; | |
475 | $v = $m1 <= $g1; | |
476 | $v = $m1 >= $g1; | |
477 | $v = $m1 == $g1; | |
478 | $v = $m1 != $g1; | |
479 | $v = $m1 <=> $g1; | |
480 | $v = -$m1; | |
481 | EXPECT | |
482 | Use of uninitialized value $g1 in integer addition (+) at - line 6. | |
483 | Use of uninitialized value $m1 in integer addition (+) at - line 6. | |
484 | Use of uninitialized value $g1 in integer subtraction (-) at - line 7. | |
485 | Use of uninitialized value $m1 in integer subtraction (-) at - line 7. | |
486 | Use of uninitialized value $g1 in integer multiplication (*) at - line 8. | |
487 | Use of uninitialized value $m1 in integer multiplication (*) at - line 8. | |
488 | Use of uninitialized value $g1 in integer division (/) at - line 9. | |
489 | Use of uninitialized value $m2 in integer division (/) at - line 10. | |
490 | Use of uninitialized value $g1 in integer modulus (%) at - line 11. | |
491 | Use of uninitialized value $m1 in integer modulus (%) at - line 11. | |
492 | Use of uninitialized value $m2 in integer modulus (%) at - line 12. | |
493 | Use of uninitialized value $g1 in integer lt (<) at - line 13. | |
494 | Use of uninitialized value $m1 in integer lt (<) at - line 13. | |
495 | Use of uninitialized value $g1 in integer gt (>) at - line 14. | |
496 | Use of uninitialized value $m1 in integer gt (>) at - line 14. | |
497 | Use of uninitialized value $g1 in integer le (<=) at - line 15. | |
498 | Use of uninitialized value $m1 in integer le (<=) at - line 15. | |
499 | Use of uninitialized value $g1 in integer ge (>=) at - line 16. | |
500 | Use of uninitialized value $m1 in integer ge (>=) at - line 16. | |
501 | Use of uninitialized value $g1 in integer eq (==) at - line 17. | |
502 | Use of uninitialized value $m1 in integer eq (==) at - line 17. | |
503 | Use of uninitialized value $g1 in integer ne (!=) at - line 18. | |
504 | Use of uninitialized value $m1 in integer ne (!=) at - line 18. | |
505 | Use of uninitialized value $g1 in integer comparison (<=>) at - line 19. | |
506 | Use of uninitialized value $m1 in integer comparison (<=>) at - line 19. | |
507 | Use of uninitialized value $m1 in integer negation (-) at - line 20. | |
508 | ######## | |
509 | use warnings 'uninitialized'; | |
510 | my ($m1, $m2, $v); | |
511 | our ($g1, $g2); | |
512 | ||
513 | $v = int($g1); | |
514 | $v = abs($g2); | |
515 | EXPECT | |
516 | Use of uninitialized value $g1 in int at - line 5. | |
29489e7c DM |
517 | Use of uninitialized value $g2 in abs at - line 6. |
518 | ######## | |
519 | use warnings 'uninitialized'; | |
520 | my ($m1, $m2, $v); | |
521 | our ($g1); | |
522 | ||
523 | $v = pack $m1; | |
524 | $v = pack "i*", $m2, $g1, $g2; | |
525 | my @unpack = unpack $m1, $m2; | |
526 | EXPECT | |
527 | Use of uninitialized value $m1 in pack at - line 5. | |
528 | Use of uninitialized value $m2 in pack at - line 6. | |
529 | Use of uninitialized value $g1 in pack at - line 6. | |
530 | Use of uninitialized value $g2 in pack at - line 6. | |
531 | Use of uninitialized value $m1 in unpack at - line 7. | |
532 | Use of uninitialized value $m2 in unpack at - line 7. | |
533 | ######## | |
534 | use warnings 'uninitialized'; | |
535 | my ($m1); | |
536 | our ($g1); | |
537 | ||
538 | my @sort; | |
539 | @sort = sort $m1, $g1; | |
540 | @sort = sort {$a <=> $b} $m1, $g1; | |
541 | sub sortf {$a-1 <=> $b-1}; | |
542 | @sort = sort &sortf, $m1, $g1; | |
543 | EXPECT | |
544 | Use of uninitialized value $m1 in sort at - line 6. | |
545 | Use of uninitialized value $g1 in sort at - line 6. | |
546 | Use of uninitialized value $m1 in sort at - line 6. | |
547 | Use of uninitialized value $g1 in sort at - line 6. | |
548 | Use of uninitialized value $m1 in sort at - line 7. | |
549 | Use of uninitialized value $g1 in sort at - line 7. | |
550 | Use of uninitialized value $m1 in sort at - line 7. | |
551 | Use of uninitialized value $g1 in sort at - line 7. | |
552 | Use of uninitialized value $a in subtraction (-) at - line 8. | |
553 | Use of uninitialized value $b in subtraction (-) at - line 8. | |
554 | Use of uninitialized value $m1 in sort at - line 9. | |
555 | Use of uninitialized value $g1 in sort at - line 9. | |
556 | Use of uninitialized value $m1 in sort at - line 9. | |
557 | Use of uninitialized value $m1 in sort at - line 9. | |
558 | Use of uninitialized value $g1 in sort at - line 9. | |
559 | Use of uninitialized value $g1 in sort at - line 9. | |
560 | ######## | |
561 | use warnings 'uninitialized'; | |
562 | my ($m1, $m2, $v); | |
563 | our ($g1); | |
564 | ||
565 | eval { $v = $m1 / $g1 }; | |
566 | $v = $m2 / 2; | |
567 | eval { $v = $m1 % $g1 }; | |
568 | $v = $m2 % 2; | |
569 | $v = $m1 == $g1; | |
570 | $v = $m1 >= $g1; | |
571 | $v = $m1 > $g1; | |
572 | $v = $m1 <= $g1; | |
573 | $v = $m1 < $g1; | |
574 | $v = $m1 * $g1; | |
575 | $v = $m1 <=>$g1; | |
576 | $v = $m1 != $g1; | |
577 | $v = $m1 -$g1; | |
578 | $v = $m1 ** $g1; | |
579 | $v = $m1 + $g1; | |
580 | $v = $m1 - $g1; | |
581 | EXPECT | |
582 | Use of uninitialized value $g1 in division (/) at - line 5. | |
583 | Use of uninitialized value $m1 in division (/) at - line 5. | |
584 | Use of uninitialized value $m2 in division (/) at - line 6. | |
585 | Use of uninitialized value $g1 in modulus (%) at - line 7. | |
586 | Use of uninitialized value $m1 in modulus (%) at - line 7. | |
587 | Use of uninitialized value $m2 in modulus (%) at - line 8. | |
588 | Use of uninitialized value $g1 in numeric eq (==) at - line 9. | |
589 | Use of uninitialized value $m1 in numeric eq (==) at - line 9. | |
590 | Use of uninitialized value $g1 in numeric ge (>=) at - line 10. | |
591 | Use of uninitialized value $m1 in numeric ge (>=) at - line 10. | |
592 | Use of uninitialized value $g1 in numeric gt (>) at - line 11. | |
593 | Use of uninitialized value $m1 in numeric gt (>) at - line 11. | |
594 | Use of uninitialized value $g1 in numeric le (<=) at - line 12. | |
595 | Use of uninitialized value $m1 in numeric le (<=) at - line 12. | |
596 | Use of uninitialized value $g1 in numeric lt (<) at - line 13. | |
597 | Use of uninitialized value $m1 in numeric lt (<) at - line 13. | |
598 | Use of uninitialized value $g1 in multiplication (*) at - line 14. | |
599 | Use of uninitialized value $m1 in multiplication (*) at - line 14. | |
600 | Use of uninitialized value $g1 in numeric comparison (<=>) at - line 15. | |
601 | Use of uninitialized value $m1 in numeric comparison (<=>) at - line 15. | |
602 | Use of uninitialized value $g1 in numeric ne (!=) at - line 16. | |
603 | Use of uninitialized value $m1 in numeric ne (!=) at - line 16. | |
604 | Use of uninitialized value $g1 in subtraction (-) at - line 17. | |
605 | Use of uninitialized value $m1 in subtraction (-) at - line 17. | |
606 | Use of uninitialized value $g1 in exponentiation (**) at - line 18. | |
607 | Use of uninitialized value $m1 in exponentiation (**) at - line 18. | |
608 | Use of uninitialized value $g1 in addition (+) at - line 19. | |
609 | Use of uninitialized value $m1 in addition (+) at - line 19. | |
610 | Use of uninitialized value $g1 in subtraction (-) at - line 20. | |
611 | Use of uninitialized value $m1 in subtraction (-) at - line 20. | |
612 | ######## | |
613 | use warnings 'uninitialized'; | |
614 | my ($m1, $v); | |
615 | our ($g1); | |
616 | ||
617 | $v = *global1{$m1}; | |
618 | $v = prototype $g1; | |
619 | $v = bless [], $g1; | |
620 | $v = `$m1`; | |
621 | ||
622 | $v = $m1 . $g1; | |
623 | EXPECT | |
624 | Use of uninitialized value $m1 in glob elem at - line 5. | |
625 | Use of uninitialized value $g1 in subroutine prototype at - line 6. | |
626 | Use of uninitialized value $g1 in bless at - line 7. | |
627 | Use of uninitialized value $m1 in quoted execution (``, qx) at - line 8. | |
29489e7c | 628 | Use of uninitialized value $m1 in concatenation (.) or string at - line 10. |
c75ab21a | 629 | Use of uninitialized value $g1 in concatenation (.) or string at - line 10. |
29489e7c DM |
630 | ######## |
631 | use warnings 'uninitialized'; | |
632 | my ($m1); | |
633 | our ($g1, $g2); | |
634 | ||
635 | /y/; | |
636 | /$m1/; | |
637 | /$g1/; | |
638 | ||
639 | s/y/z/; undef $_; | |
640 | s/$m1/z/; undef $_; | |
641 | s//$g1/; undef $_; | |
642 | s/$m1/$g1/; undef $_; | |
643 | tr/x/y/; undef $_; | |
644 | ||
645 | my $_; | |
646 | /y/; | |
647 | /$m1/; | |
648 | /$g1/; | |
649 | s/y/z/; undef $_; | |
650 | s/$m1/z/; undef $_; | |
651 | s//$g1/; undef $_; | |
652 | s/$m1/$g1/; undef $_; | |
653 | tr/x/y/; undef $_; | |
654 | ||
655 | $g2 =~ /y/; | |
656 | $g2 =~ /$m1/; | |
657 | $g2 =~ /$g1/; | |
658 | $g2 =~ s/y/z/; undef $g2; | |
659 | $g2 =~ s/$m1/z/; undef $g2; | |
660 | $g2 =~ s//$g1/; undef $g2; | |
661 | $g2 =~ s/$m1/$g1/; undef $g2; | |
662 | $g2 =~ tr/x/y/; undef $g2; # XXX can't extract var name yet | |
663 | ||
664 | my $foo = "abc"; | |
665 | $foo =~ /$m1/; | |
666 | $foo =~ /$g1/; | |
667 | $foo =~ s/y/z/; | |
668 | $foo =~ s/$m1/z/; | |
669 | $foo =~ s//$g1/; | |
670 | $foo =~ s/$m1/$g1/; | |
671 | $foo =~ s/./$m1/e; | |
50edf520 DM |
672 | undef $g1; |
673 | $m1 = '$g1'; | |
674 | $foo =~ s//$m1/ee; | |
29489e7c DM |
675 | EXPECT |
676 | Use of uninitialized value $_ in pattern match (m//) at - line 5. | |
677 | Use of uninitialized value $m1 in regexp compilation at - line 6. | |
678 | Use of uninitialized value $_ in pattern match (m//) at - line 6. | |
679 | Use of uninitialized value $g1 in regexp compilation at - line 7. | |
680 | Use of uninitialized value $_ in pattern match (m//) at - line 7. | |
681 | Use of uninitialized value $_ in substitution (s///) at - line 9. | |
682 | Use of uninitialized value $m1 in regexp compilation at - line 10. | |
683 | Use of uninitialized value $_ in substitution (s///) at - line 10. | |
684 | Use of uninitialized value $_ in substitution (s///) at - line 10. | |
685 | Use of uninitialized value $_ in substitution (s///) at - line 11. | |
686 | Use of uninitialized value $g1 in substitution (s///) at - line 11. | |
687 | Use of uninitialized value $_ in substitution (s///) at - line 11. | |
688 | Use of uninitialized value $g1 in substitution (s///) at - line 11. | |
689 | Use of uninitialized value $m1 in regexp compilation at - line 12. | |
690 | Use of uninitialized value $_ in substitution (s///) at - line 12. | |
691 | Use of uninitialized value $_ in substitution (s///) at - line 12. | |
692 | Use of uninitialized value $g1 in substitution iterator at - line 12. | |
693 | Use of uninitialized value $_ in transliteration (tr///) at - line 13. | |
694 | Use of uninitialized value $_ in pattern match (m//) at - line 16. | |
695 | Use of uninitialized value $m1 in regexp compilation at - line 17. | |
696 | Use of uninitialized value $_ in pattern match (m//) at - line 17. | |
697 | Use of uninitialized value $g1 in regexp compilation at - line 18. | |
698 | Use of uninitialized value $_ in pattern match (m//) at - line 18. | |
699 | Use of uninitialized value $_ in substitution (s///) at - line 19. | |
700 | Use of uninitialized value $m1 in regexp compilation at - line 20. | |
701 | Use of uninitialized value $_ in substitution (s///) at - line 20. | |
702 | Use of uninitialized value $_ in substitution (s///) at - line 20. | |
703 | Use of uninitialized value $_ in substitution (s///) at - line 21. | |
704 | Use of uninitialized value $g1 in substitution (s///) at - line 21. | |
705 | Use of uninitialized value $_ in substitution (s///) at - line 21. | |
706 | Use of uninitialized value $g1 in substitution (s///) at - line 21. | |
707 | Use of uninitialized value $m1 in regexp compilation at - line 22. | |
708 | Use of uninitialized value $_ in substitution (s///) at - line 22. | |
709 | Use of uninitialized value $_ in substitution (s///) at - line 22. | |
710 | Use of uninitialized value $g1 in substitution iterator at - line 22. | |
711 | Use of uninitialized value $_ in transliteration (tr///) at - line 23. | |
712 | Use of uninitialized value $g2 in pattern match (m//) at - line 25. | |
713 | Use of uninitialized value $m1 in regexp compilation at - line 26. | |
714 | Use of uninitialized value $g2 in pattern match (m//) at - line 26. | |
715 | Use of uninitialized value $g1 in regexp compilation at - line 27. | |
716 | Use of uninitialized value $g2 in pattern match (m//) at - line 27. | |
717 | Use of uninitialized value $g2 in substitution (s///) at - line 28. | |
718 | Use of uninitialized value $m1 in regexp compilation at - line 29. | |
719 | Use of uninitialized value $g2 in substitution (s///) at - line 29. | |
720 | Use of uninitialized value $g2 in substitution (s///) at - line 29. | |
721 | Use of uninitialized value $g2 in substitution (s///) at - line 30. | |
722 | Use of uninitialized value $g1 in substitution (s///) at - line 30. | |
723 | Use of uninitialized value $g2 in substitution (s///) at - line 30. | |
724 | Use of uninitialized value $g1 in substitution (s///) at - line 30. | |
725 | Use of uninitialized value $m1 in regexp compilation at - line 31. | |
726 | Use of uninitialized value $g2 in substitution (s///) at - line 31. | |
727 | Use of uninitialized value $g2 in substitution (s///) at - line 31. | |
728 | Use of uninitialized value $g1 in substitution iterator at - line 31. | |
729 | Use of uninitialized value in transliteration (tr///) at - line 32. | |
730 | Use of uninitialized value $m1 in regexp compilation at - line 35. | |
731 | Use of uninitialized value $g1 in regexp compilation at - line 36. | |
732 | Use of uninitialized value $m1 in regexp compilation at - line 38. | |
733 | Use of uninitialized value $g1 in substitution (s///) at - line 39. | |
734 | Use of uninitialized value $m1 in regexp compilation at - line 40. | |
735 | Use of uninitialized value $g1 in substitution iterator at - line 40. | |
736 | Use of uninitialized value $m1 in substitution iterator at - line 41. | |
50edf520 | 737 | Use of uninitialized value in substitution iterator at - line 44. |
29489e7c DM |
738 | ######## |
739 | use warnings 'uninitialized'; | |
740 | my ($m1); | |
741 | ||
742 | { my $foo = "abc"; (substr($foo,0,0)) = ($m1) } | |
743 | EXPECT | |
744 | Use of uninitialized value $m1 in list assignment at - line 4. | |
745 | ######## | |
746 | use warnings 'uninitialized'; | |
747 | our ($g1); | |
748 | ||
749 | study; | |
750 | study $g1; | |
751 | EXPECT | |
752 | Use of uninitialized value $_ in study at - line 4. | |
753 | Use of uninitialized value $g1 in study at - line 5. | |
754 | ######## | |
755 | use warnings 'uninitialized'; | |
756 | my ($m1); | |
757 | ||
758 | pos()=0; | |
759 | pos($m1)=0; | |
760 | EXPECT | |
761 | Use of uninitialized value $_ in scalar assignment at - line 4. | |
762 | Use of uninitialized value $m1 in scalar assignment at - line 5. | |
763 | ######## | |
764 | use warnings 'uninitialized'; | |
765 | my ($m1); | |
cc4b8646 DM |
766 | our ($g1); |
767 | ||
768 | $v = pos($m1) + 1; | |
769 | $v = pos($g1) + 1; | |
770 | $m1 = 0; | |
771 | $g1 = ""; | |
772 | $v = pos($m1) + 1; | |
773 | $v = pos($g1) + 1; | |
774 | EXPECT | |
775 | Use of uninitialized value in addition (+) at - line 5. | |
776 | Use of uninitialized value in addition (+) at - line 6. | |
777 | Use of uninitialized value in addition (+) at - line 9. | |
778 | Use of uninitialized value in addition (+) at - line 10. | |
779 | ######## | |
780 | use warnings 'uninitialized'; | |
781 | my ($m1); | |
29489e7c DM |
782 | |
783 | { my $x = "a" x $m1 } # NB LHS of repeat does not warn | |
784 | { my @x = ("a") x $m1 } | |
785 | EXPECT | |
786 | Use of uninitialized value $m1 in repeat (x) at - line 4. | |
787 | Use of uninitialized value $m1 in repeat (x) at - line 5. | |
788 | ######## | |
789 | use warnings 'uninitialized'; | |
790 | my ($m1, $v); | |
791 | our ($g1); | |
792 | ||
793 | $v = "$m1"; | |
794 | ||
795 | $v = $m1 lt $g1; | |
796 | $v = $m1 le $g1; | |
797 | $v = $m1 gt $g1; | |
798 | $v = $m1 ge $g1; | |
799 | $v = $m1 eq $g1; | |
800 | $v = $m1 ne $g1; | |
801 | $v = $m1 cmp $g1; | |
802 | EXPECT | |
803 | Use of uninitialized value $m1 in string at - line 5. | |
804 | Use of uninitialized value $m1 in string lt at - line 7. | |
805 | Use of uninitialized value $g1 in string lt at - line 7. | |
806 | Use of uninitialized value $m1 in string le at - line 8. | |
807 | Use of uninitialized value $g1 in string le at - line 8. | |
808 | Use of uninitialized value $m1 in string gt at - line 9. | |
809 | Use of uninitialized value $g1 in string gt at - line 9. | |
810 | Use of uninitialized value $m1 in string ge at - line 10. | |
811 | Use of uninitialized value $g1 in string ge at - line 10. | |
812 | Use of uninitialized value $m1 in string eq at - line 11. | |
813 | Use of uninitialized value $g1 in string eq at - line 11. | |
814 | Use of uninitialized value $m1 in string ne at - line 12. | |
815 | Use of uninitialized value $g1 in string ne at - line 12. | |
816 | Use of uninitialized value $m1 in string comparison (cmp) at - line 13. | |
817 | Use of uninitialized value $g1 in string comparison (cmp) at - line 13. | |
818 | ######## | |
819 | use warnings 'uninitialized'; | |
820 | my ($m1, $v); | |
821 | our ($g1); | |
822 | ||
823 | $v = atan2($m1,$g1); | |
824 | $v = sin $m1; | |
825 | $v = cos $m1; | |
826 | $v = rand $m1; | |
827 | $v = srand $m1; | |
828 | $v = exp $m1; | |
829 | $v = eval {log $m1}; | |
830 | $v = sqrt $m1; | |
831 | $v = hex $m1; | |
832 | $v = oct $m1; | |
9f621bb0 NC |
833 | $v = oct; |
834 | $v = length; # does not warn | |
29489e7c DM |
835 | EXPECT |
836 | Use of uninitialized value $g1 in atan2 at - line 5. | |
837 | Use of uninitialized value $m1 in atan2 at - line 5. | |
838 | Use of uninitialized value $m1 in sin at - line 6. | |
839 | Use of uninitialized value $m1 in cos at - line 7. | |
840 | Use of uninitialized value $m1 in rand at - line 8. | |
841 | Use of uninitialized value $m1 in srand at - line 9. | |
842 | Use of uninitialized value $m1 in exp at - line 10. | |
843 | Use of uninitialized value $m1 in log at - line 11. | |
844 | Use of uninitialized value $m1 in sqrt at - line 12. | |
845 | Use of uninitialized value $m1 in hex at - line 13. | |
846 | Use of uninitialized value $m1 in oct at - line 14. | |
9f621bb0 | 847 | Use of uninitialized value $_ in oct at - line 15. |
29489e7c DM |
848 | ######## |
849 | use warnings 'uninitialized'; | |
850 | my ($m1, $v); | |
851 | our ($g1); | |
852 | ||
853 | $v = substr $m1, $g1; | |
854 | $v = substr $m1, $g1, $m2; | |
855 | $v = substr $m1, $g1, $m2, $g2; undef $m1; | |
856 | substr($m1, $g1) = $g2; undef $m1; # NB global2 | |
857 | substr($m1, $g1, $m2) = $g2; undef $m1; # isn't identified | |
858 | ||
859 | $v = eval {vec ($m1, $g1, $m2)}; | |
860 | eval {vec ($m1, $g1, $m2) = $g2}; undef $m1; # ditto | |
861 | ||
862 | $v = index $m1, $m2; | |
863 | $v = index $m1, $m2, $g1; | |
864 | $v = rindex $m1, $m2; | |
865 | $v = rindex $m1, $m2, $g1; | |
866 | EXPECT | |
867 | Use of uninitialized value $g1 in substr at - line 5. | |
868 | Use of uninitialized value $m1 in substr at - line 5. | |
869 | Use of uninitialized value $m2 in substr at - line 6. | |
870 | Use of uninitialized value $g1 in substr at - line 6. | |
871 | Use of uninitialized value $m1 in substr at - line 6. | |
872 | Use of uninitialized value $g2 in substr at - line 7. | |
873 | Use of uninitialized value $m2 in substr at - line 7. | |
874 | Use of uninitialized value $g1 in substr at - line 7. | |
875 | Use of uninitialized value $m1 in substr at - line 7. | |
29489e7c DM |
876 | Use of uninitialized value $g1 in substr at - line 8. |
877 | Use of uninitialized value $m1 in substr at - line 8. | |
878 | Use of uninitialized value in scalar assignment at - line 8. | |
879 | Use of uninitialized value $m2 in substr at - line 9. | |
880 | Use of uninitialized value $g1 in substr at - line 9. | |
881 | Use of uninitialized value $m1 in substr at - line 9. | |
882 | Use of uninitialized value in scalar assignment at - line 9. | |
883 | Use of uninitialized value $m2 in vec at - line 11. | |
884 | Use of uninitialized value $g1 in vec at - line 11. | |
885 | Use of uninitialized value $m1 in vec at - line 11. | |
886 | Use of uninitialized value $m2 in vec at - line 12. | |
887 | Use of uninitialized value $g1 in vec at - line 12. | |
888 | Use of uninitialized value $m1 in vec at - line 12. | |
889 | Use of uninitialized value $m1 in index at - line 14. | |
890 | Use of uninitialized value $m2 in index at - line 14. | |
891 | Use of uninitialized value $g1 in index at - line 15. | |
892 | Use of uninitialized value $m1 in index at - line 15. | |
893 | Use of uninitialized value $m2 in index at - line 15. | |
29489e7c | 894 | Use of uninitialized value $m1 in rindex at - line 16. |
73ee8be2 | 895 | Use of uninitialized value $m2 in rindex at - line 16. |
29489e7c | 896 | Use of uninitialized value $g1 in rindex at - line 17. |
29489e7c | 897 | Use of uninitialized value $m1 in rindex at - line 17. |
73ee8be2 | 898 | Use of uninitialized value $m2 in rindex at - line 17. |
29489e7c DM |
899 | ######## |
900 | use warnings 'uninitialized'; | |
901 | my ($m1, $v); | |
902 | our ($g1); | |
903 | ||
904 | $v = sprintf $m1; | |
905 | $v = sprintf '%d%d%d%d', $m1, $m2, $g1, $g2; | |
094236a2 | 906 | my $m3; eval {formline $m3 }; |
29489e7c DM |
907 | formline '@<<@<<@<<@<<', $m1, $m2, $g1, $g2; |
908 | EXPECT | |
909 | Use of uninitialized value $m1 in sprintf at - line 5. | |
910 | Use of uninitialized value $m1 in sprintf at - line 6. | |
911 | Use of uninitialized value $m2 in sprintf at - line 6. | |
912 | Use of uninitialized value $g1 in sprintf at - line 6. | |
913 | Use of uninitialized value $g2 in sprintf at - line 6. | |
094236a2 | 914 | Use of uninitialized value $m3 in formline at - line 7. |
29489e7c DM |
915 | Use of uninitialized value $m1 in formline at - line 8. |
916 | Use of uninitialized value $m2 in formline at - line 8. | |
917 | Use of uninitialized value $g1 in formline at - line 8. | |
918 | Use of uninitialized value $g2 in formline at - line 8. | |
919 | ######## | |
920 | use warnings 'uninitialized'; | |
921 | my ($m1, $v); | |
922 | our ($g1); | |
923 | ||
924 | $v = crypt $m1, $g1; | |
925 | ||
926 | $v = ord; | |
927 | $v = ord $m1; | |
928 | $v = chr; | |
929 | $v = chr $m1; | |
930 | ||
29489e7c DM |
931 | $v = ucfirst; |
932 | $v = ucfirst $m1; | |
933 | $v = lcfirst; | |
934 | $v = lcfirst $m1; | |
935 | $v = uc; | |
936 | $v = uc $m1; | |
937 | $v = lc; | |
938 | $v = lc $m1; | |
939 | ||
940 | $v = quotemeta; | |
941 | $v = quotemeta $m1; | |
942 | EXPECT | |
943 | Use of uninitialized value $m1 in crypt at - line 5. | |
944 | Use of uninitialized value $g1 in crypt at - line 5. | |
945 | Use of uninitialized value $_ in ord at - line 7. | |
946 | Use of uninitialized value $m1 in ord at - line 8. | |
947 | Use of uninitialized value $_ in chr at - line 9. | |
948 | Use of uninitialized value $m1 in chr at - line 10. | |
0a0ffbce RGS |
949 | Use of uninitialized value $_ in ucfirst at - line 12. |
950 | Use of uninitialized value $m1 in ucfirst at - line 13. | |
951 | Use of uninitialized value $_ in lcfirst at - line 14. | |
952 | Use of uninitialized value $m1 in lcfirst at - line 15. | |
953 | Use of uninitialized value $_ in uc at - line 16. | |
954 | Use of uninitialized value $m1 in uc at - line 17. | |
955 | Use of uninitialized value $_ in lc at - line 18. | |
956 | Use of uninitialized value $m1 in lc at - line 19. | |
957 | Use of uninitialized value $_ in quotemeta at - line 21. | |
958 | Use of uninitialized value $m1 in quotemeta at - line 22. | |
29489e7c DM |
959 | ######## |
960 | use warnings 'uninitialized'; | |
961 | my ($m1, $v1, $v2, $v3, $v4); | |
962 | our ($g1); | |
963 | ||
964 | ($v1,$v2,$v3,$v4) = split; | |
965 | ($v1,$v2,$v3,$v4) = split $m1; | |
966 | ($v1,$v2,$v3,$v4) = split $m1, $m2; | |
967 | ($v1,$v2,$v3,$v4) = split $m1, $m2, $g1; | |
968 | ||
969 | $v1 = join $m1; | |
970 | $v2 = join $m1, $m2; | |
971 | $v3 = join $m1, $m2, $m3; | |
972 | EXPECT | |
973 | Use of uninitialized value $_ in split at - line 5. | |
974 | Use of uninitialized value $m1 in regexp compilation at - line 6. | |
975 | Use of uninitialized value $_ in split at - line 6. | |
976 | Use of uninitialized value $m1 in regexp compilation at - line 7. | |
977 | Use of uninitialized value $m2 in split at - line 7. | |
978 | Use of uninitialized value $m1 in regexp compilation at - line 8. | |
979 | Use of uninitialized value $g1 in split at - line 8. | |
980 | Use of uninitialized value $m2 in split at - line 8. | |
981 | Use of uninitialized value $m1 in join or string at - line 10. | |
982 | Use of uninitialized value $m1 in join or string at - line 11. | |
983 | Use of uninitialized value $m2 in join or string at - line 11. | |
984 | Use of uninitialized value $m1 in join or string at - line 12. | |
985 | Use of uninitialized value $m2 in join or string at - line 12. | |
986 | Use of uninitialized value $m3 in join or string at - line 12. | |
987 | ######## | |
988 | use warnings 'uninitialized'; | |
989 | my ($m1, $m2, @ma, $v); | |
990 | ||
991 | our @foo1=(1,undef); chomp @foo1; | |
992 | my @foo2=(1,undef); chomp @foo2; | |
993 | our @foo3=(1,undef); chop @foo3; | |
994 | my @foo4=(1,undef); chop @foo4; | |
995 | our @foo5=(1,undef); $v = sprintf "%s%s",@foo5; | |
996 | my @foo6=(1,undef); $v = sprintf "%s%s",@foo6; | |
997 | our %foo7=('foo'=>'bar','baz'=>undef); $v = sprintf "%s%s",%foo7; | |
998 | my %foo8=('foo'=>'bar','baz'=>undef); $v = sprintf "%s%s",%foo8; | |
999 | our @foo9 =(1,undef); $v = sprintf "%s%s%s%s",$m1,@foo9, $ma[2]; | |
1000 | my @foo10=(1,undef); $v = sprintf "%s%s%s%s",$m2,@foo10,$ma[2]; | |
1001 | our %foo11=('foo'=>'bar','baz'=>undef); $v = join '', %foo11; | |
1002 | my %foo12=('foo'=>'bar','baz'=>undef); $v = join '', %foo12; | |
1003 | our %foo13=(1..2000,'foo'=>'bar','baz'=>undef); $v = join '', %foo13; | |
1004 | my %foo14=(1..2000,'foo'=>'bar','baz'=>undef); $v = join '', %foo14; | |
1005 | EXPECT | |
1006 | Use of uninitialized value $foo1[1] in chomp at - line 4. | |
1007 | Use of uninitialized value $foo2[1] in chomp at - line 5. | |
1008 | Use of uninitialized value $foo3[1] in chop at - line 6. | |
1009 | Use of uninitialized value $foo4[1] in chop at - line 7. | |
1010 | Use of uninitialized value $foo5[1] in sprintf at - line 8. | |
1011 | Use of uninitialized value $foo6[1] in sprintf at - line 9. | |
1012 | Use of uninitialized value $foo7{"baz"} in sprintf at - line 10. | |
1013 | Use of uninitialized value $foo8{"baz"} in sprintf at - line 11. | |
1014 | Use of uninitialized value $m1 in sprintf at - line 12. | |
1015 | Use of uninitialized value $foo9[1] in sprintf at - line 12. | |
1016 | Use of uninitialized value in sprintf at - line 12. | |
1017 | Use of uninitialized value $m2 in sprintf at - line 13. | |
1018 | Use of uninitialized value $foo10[1] in sprintf at - line 13. | |
1019 | Use of uninitialized value in sprintf at - line 13. | |
1020 | Use of uninitialized value $foo11{"baz"} in join or string at - line 14. | |
1021 | Use of uninitialized value $foo12{"baz"} in join or string at - line 15. | |
1022 | Use of uninitialized value within %foo13 in join or string at - line 16. | |
1023 | Use of uninitialized value within %foo14 in join or string at - line 17. | |
1024 | ######## | |
1025 | use warnings 'uninitialized'; | |
1026 | my ($v); | |
1027 | ||
1028 | undef $^A; $v = $^A + ${^FOO}; # should output '^A' not chr(1) | |
1029 | *GLOB1 = *GLOB2; | |
1030 | $v = $GLOB1 + 1; | |
1031 | $v = $GLOB2 + 1; | |
1032 | EXPECT | |
1033 | Use of uninitialized value $^FOO in addition (+) at - line 4. | |
1034 | Use of uninitialized value $^A in addition (+) at - line 4. | |
1035 | Use of uninitialized value $GLOB1 in addition (+) at - line 6. | |
1036 | Use of uninitialized value $GLOB2 in addition (+) at - line 7. | |
1037 | ######## | |
1038 | use warnings 'uninitialized'; | |
1039 | my ($v); | |
1040 | ||
1041 | # check hash key is sanitised | |
1042 | my %h = ("\0011\002\r\n\t\f\"\\abcdefghijklmnopqrstuvwxyz", undef); | |
1043 | $v = join '', %h; | |
1044 | EXPECT | |
3df15adc | 1045 | Use of uninitialized value $h{"\0011\2\r\n\t\f\"\\abcdefghijklm"...} in join or string at - line 6. |
29489e7c DM |
1046 | ######## |
1047 | use warnings 'uninitialized'; | |
1048 | my ($m1, $v); | |
1049 | our ($g1); | |
1050 | ||
1051 | $v = eval { \&$m1 }; | |
1052 | $v = eval { \&$g1 }; | |
1053 | ||
1054 | my @a; | |
1055 | @a = splice @a, $m1, $g1; | |
1056 | $v = 1 + splice @a, $m1, $g1; | |
1057 | ||
1058 | my $x = bless [], 'Z'; | |
1059 | eval { $x->$m1() }; | |
1060 | ||
1061 | eval { &$m1() }; | |
1062 | eval { &$g1() }; | |
1063 | ||
1064 | warn $m1,$g1,"foo"; | |
1065 | ||
1066 | eval { die $m1, $g1 }; | |
1067 | ||
1068 | reset $m1; | |
1069 | reset $g1; | |
1070 | EXPECT | |
1071 | Use of uninitialized value $m1 in subroutine dereference at - line 5. | |
29489e7c DM |
1072 | Use of uninitialized value $g1 in subroutine dereference at - line 6. |
1073 | Use of uninitialized value $m1 in splice at - line 9. | |
1074 | Use of uninitialized value $g1 in splice at - line 9. | |
1075 | Use of uninitialized value $m1 in splice at - line 10. | |
1076 | Use of uninitialized value $g1 in splice at - line 10. | |
1077 | Use of uninitialized value in addition (+) at - line 10. | |
1078 | Use of uninitialized value $m1 in method lookup at - line 13. | |
7697b7e7 DM |
1079 | Use of uninitialized value in subroutine entry at - line 15. |
1080 | Use of uninitialized value in subroutine entry at - line 16. | |
29489e7c DM |
1081 | Use of uninitialized value $m1 in warn at - line 18. |
1082 | Use of uninitialized value $g1 in warn at - line 18. | |
1083 | foo at - line 18. | |
1084 | Use of uninitialized value $m1 in die at - line 20. | |
1085 | Use of uninitialized value $g1 in die at - line 20. | |
1086 | Use of uninitialized value $m1 in symbol reset at - line 22. | |
1087 | Use of uninitialized value $g1 in symbol reset at - line 23. | |
1088 | ######## | |
1089 | use warnings 'uninitialized'; | |
1090 | my ($m1); | |
1091 | our ($g1); | |
1092 | ||
1093 | open FOO; # accesses $FOO | |
1094 | my $foo = 'FO'; | |
1095 | open($foo."O"); # accesses $FOO | |
1096 | open my $x; # accesses ${*$x} | |
1097 | open $foobar; # accesses ${*$foobar} | |
1098 | my $y; | |
1099 | open $y, $m1; | |
1100 | eval { open $y, $m1, $g1 }; | |
1101 | open $y, '<', $g1; | |
1102 | ||
1103 | sysopen $y, $m1, $m2; | |
1104 | sysopen $y, $m1, $g1, $m2; | |
1105 | ||
1106 | my $old = umask; | |
1107 | umask $m1; | |
1108 | umask $g1; | |
1109 | umask $old; | |
1110 | ||
1111 | binmode STDIN, $m1; | |
1112 | EXPECT | |
1113 | Use of uninitialized value $FOO in open at - line 5. | |
1114 | Use of uninitialized value in open at - line 7. | |
1115 | Use of uninitialized value in open at - line 8. | |
1116 | Use of uninitialized value in open at - line 9. | |
1117 | Use of uninitialized value $m1 in open at - line 11. | |
1118 | Use of uninitialized value $m1 in open at - line 12. | |
1119 | Use of uninitialized value $g1 in open at - line 13. | |
1120 | Use of uninitialized value $m2 in sysopen at - line 15. | |
1121 | Use of uninitialized value $m1 in sysopen at - line 15. | |
1122 | Use of uninitialized value $m2 in sysopen at - line 16. | |
1123 | Use of uninitialized value $g1 in sysopen at - line 16. | |
1124 | Use of uninitialized value $m1 in sysopen at - line 16. | |
1125 | Use of uninitialized value $m1 in umask at - line 19. | |
1126 | Use of uninitialized value $g1 in umask at - line 20. | |
1127 | Use of uninitialized value $m1 in binmode at - line 23. | |
29489e7c DM |
1128 | ######## |
1129 | use warnings 'uninitialized'; | |
1130 | my ($m1); | |
1131 | our ($g1); | |
1132 | ||
1133 | eval { my $x; tie $x, $m1 }; | |
1134 | ||
1135 | eval { my $x; read $m1, $x, $g1 }; | |
1136 | eval { my $x; read $m1, $x, $g1, $g2 }; | |
1137 | eval { my $x; sysread $m1, $x, $g1 }; | |
1138 | eval { my $x; sysread $m1, $x, $g1, $g2 }; | |
1139 | EXPECT | |
1140 | Use of uninitialized value $m1 in tie at - line 5. | |
29489e7c DM |
1141 | Use of uninitialized value $m1 in ref-to-glob cast at - line 7. |
1142 | Use of uninitialized value $g1 in read at - line 7. | |
1143 | Use of uninitialized value $m1 in ref-to-glob cast at - line 8. | |
1144 | Use of uninitialized value $g1 in read at - line 8. | |
1145 | Use of uninitialized value $g2 in read at - line 8. | |
1146 | Use of uninitialized value $m1 in ref-to-glob cast at - line 9. | |
1147 | Use of uninitialized value $g1 in sysread at - line 9. | |
1148 | Use of uninitialized value $m1 in ref-to-glob cast at - line 10. | |
1149 | Use of uninitialized value $g1 in sysread at - line 10. | |
1150 | Use of uninitialized value $g2 in sysread at - line 10. | |
1151 | ######## | |
1152 | use warnings 'uninitialized'; | |
1153 | my ($m1); | |
1154 | our ($g1, @ga); | |
1155 | ||
1156 | printf $m1; | |
1157 | printf STDERR "%d%d%d%d\n", $m1, $m2, $g1, $g2; | |
1158 | printf $ga[1000]; | |
1159 | printf STDERR "FOO1:%s\n", $ga[1000]; | |
1160 | printf STDERR "FOO2:%s%s%s%s\n", $m1, $g1, $ga[1],$m2; | |
1161 | printf STDERR "FOO3:%s%s%s\n", "X", $ga[1],"Y"; | |
1162 | EXPECT | |
1163 | Use of uninitialized value $m1 in printf at - line 5. | |
1164 | Use of uninitialized value $m1 in printf at - line 6. | |
1165 | Use of uninitialized value $m2 in printf at - line 6. | |
1166 | Use of uninitialized value $g1 in printf at - line 6. | |
1167 | Use of uninitialized value $g2 in printf at - line 6. | |
1168 | 0000 | |
fa8d1836 DM |
1169 | Use of uninitialized value in printf at - line 7. |
1170 | Use of uninitialized value in printf at - line 8. | |
29489e7c DM |
1171 | FOO1: |
1172 | Use of uninitialized value $m1 in printf at - line 9. | |
1173 | Use of uninitialized value $g1 in printf at - line 9. | |
1174 | Use of uninitialized value in printf at - line 9. | |
1175 | Use of uninitialized value $m2 in printf at - line 9. | |
1176 | FOO2: | |
fa8d1836 | 1177 | Use of uninitialized value in printf at - line 10. |
29489e7c DM |
1178 | FOO3:XY |
1179 | ######## | |
1180 | use warnings 'uninitialized'; | |
1181 | my ($m1); | |
1182 | our ($g1); | |
1183 | ||
1184 | eval { my $x; seek $x,$m1, $g1 }; | |
1185 | eval { my $x; sysseek $x,$m1, $g1 }; | |
c9cb0f41 | 1186 | eval { syswrite $m1, $g1 }; # logic changed - now won't try $g1 if $m1 is bad |
96d52181 DM |
1187 | # eval { syswrite STDERR, $m1 }; # XXX under utf8, can give |
1188 | # eval { syswrite STDERR, $m1, $g1 }; # XXX different warnings | |
1189 | # eval { syswrite STDERR, $m1, $g1, $m2 }; | |
29489e7c DM |
1190 | eval { my $x; socket $x, $m1, $g1, $m2 }; |
1191 | eval { my ($x,$y); socketpair $x, $y, $m1, $g1, $m2 }; | |
1192 | EXPECT | |
1193 | Use of uninitialized value $x in ref-to-glob cast at - line 5. | |
1194 | Use of uninitialized value $g1 in seek at - line 5. | |
1195 | Use of uninitialized value $m1 in seek at - line 5. | |
1196 | Use of uninitialized value $x in ref-to-glob cast at - line 6. | |
1197 | Use of uninitialized value $g1 in sysseek at - line 6. | |
1198 | Use of uninitialized value $m1 in sysseek at - line 6. | |
1199 | Use of uninitialized value $m1 in ref-to-glob cast at - line 7. | |
c162e49a CB |
1200 | Use of uninitialized value $m2 in socket at - line 11. |
1201 | Use of uninitialized value $g1 in socket at - line 11. | |
1202 | Use of uninitialized value $m1 in socket at - line 11. | |
1203 | Use of uninitialized value $m2 in socketpair at - line 12. | |
1204 | Use of uninitialized value $g1 in socketpair at - line 12. | |
1205 | Use of uninitialized value $m1 in socketpair at - line 12. | |
1206 | ######## | |
1207 | use Config; | |
1208 | BEGIN { | |
1209 | if ( !$Config{d_flock} && | |
1210 | !$Config{d_fcntl_can_lock} && | |
1211 | !$Config{d_lockf} ) { | |
1212 | print <<EOM ; | |
1213 | SKIPPED | |
1214 | # flock not present | |
1215 | EOM | |
1216 | exit ; | |
1217 | } | |
1218 | } | |
1219 | use warnings 'uninitialized'; | |
1220 | our ($g1); | |
1221 | ||
1222 | eval { my $x; flock $x, $g1 }; | |
1223 | EXPECT | |
1224 | Use of uninitialized value $x in ref-to-glob cast at - line 16. | |
1225 | Use of uninitialized value $g1 in flock at - line 16. | |
29489e7c DM |
1226 | ######## |
1227 | use warnings 'uninitialized'; | |
1228 | my ($m1, $v); | |
1229 | our ($g1); | |
1230 | ||
1231 | stat; | |
1232 | lstat; | |
1233 | stat $m1; | |
1234 | lstat $g1; | |
1235 | ||
1236 | $v = -R $m1; | |
1237 | $v = -W $m1; | |
1238 | $v = -X $m1; | |
1239 | $v = -r $m1; | |
1240 | $v = -w $m1; | |
1241 | $v = -x $m1; | |
1242 | $v = -e $m1; | |
29489e7c | 1243 | $v = -o $m1; |
945fa9b5 | 1244 | $v = -O $m1; |
29489e7c DM |
1245 | $v = -z $m1; |
1246 | $v = -s $m1; | |
1247 | $v = -M $m1; | |
1248 | $v = -A $m1; | |
1249 | $v = -C $m1; | |
1250 | $v = -S $m1; | |
1251 | $v = -c $m1; | |
1252 | $v = -b $m1; | |
1253 | $v = -f $m1; | |
1254 | $v = -d $m1; | |
1255 | $v = -p $m1; | |
1256 | $v = -l $m1; | |
1257 | $v = -u $m1; | |
1258 | $v = -g $m1; | |
96d52181 | 1259 | # $v = -k $m1; # XXX this is a no-op under win32 |
29489e7c DM |
1260 | $v = -t $m1; |
1261 | $v = -T $m1; | |
1262 | $v = -B $m1; | |
1263 | EXPECT | |
1264 | Use of uninitialized value $_ in stat at - line 5. | |
1265 | Use of uninitialized value $_ in lstat at - line 6. | |
1266 | Use of uninitialized value $m1 in stat at - line 7. | |
1267 | Use of uninitialized value $g1 in lstat at - line 8. | |
1268 | Use of uninitialized value $m1 in -R at - line 10. | |
1269 | Use of uninitialized value $m1 in -W at - line 11. | |
1270 | Use of uninitialized value $m1 in -X at - line 12. | |
1271 | Use of uninitialized value $m1 in -r at - line 13. | |
1272 | Use of uninitialized value $m1 in -w at - line 14. | |
1273 | Use of uninitialized value $m1 in -x at - line 15. | |
1274 | Use of uninitialized value $m1 in -e at - line 16. | |
1275 | Use of uninitialized value $m1 in -o at - line 17. | |
1276 | Use of uninitialized value $m1 in -O at - line 18. | |
1277 | Use of uninitialized value $m1 in -z at - line 19. | |
1278 | Use of uninitialized value $m1 in -s at - line 20. | |
1279 | Use of uninitialized value $m1 in -M at - line 21. | |
1280 | Use of uninitialized value $m1 in -A at - line 22. | |
1281 | Use of uninitialized value $m1 in -C at - line 23. | |
1282 | Use of uninitialized value $m1 in -S at - line 24. | |
1283 | Use of uninitialized value $m1 in -c at - line 25. | |
1284 | Use of uninitialized value $m1 in -b at - line 26. | |
1285 | Use of uninitialized value $m1 in -f at - line 27. | |
1286 | Use of uninitialized value $m1 in -d at - line 28. | |
1287 | Use of uninitialized value $m1 in -p at - line 29. | |
1288 | Use of uninitialized value $m1 in -l at - line 30. | |
29489e7c DM |
1289 | Use of uninitialized value $m1 in -u at - line 31. |
1290 | Use of uninitialized value $m1 in -g at - line 32. | |
29489e7c DM |
1291 | Use of uninitialized value $m1 in -t at - line 34. |
1292 | Use of uninitialized value $m1 in -T at - line 35. | |
1293 | Use of uninitialized value $m1 in -B at - line 36. | |
1294 | ######## | |
1295 | use warnings 'uninitialized'; | |
1296 | my ($m1, $v); | |
1297 | our ($g1); | |
1298 | ||
1299 | $v = localtime $m1; | |
1300 | $v = gmtime $g1; | |
1301 | EXPECT | |
1302 | Use of uninitialized value $m1 in localtime at - line 5. | |
1303 | Use of uninitialized value $g1 in gmtime at - line 6. | |
1304 | ######## | |
1305 | use warnings 'uninitialized'; | |
50edf520 | 1306 | my ($m1, $m2, $v); |
29489e7c DM |
1307 | |
1308 | $v = eval; | |
1309 | $v = eval $m1; | |
50edf520 | 1310 | $m2 = q($m1); $v = 1 + eval $m2; |
29489e7c DM |
1311 | EXPECT |
1312 | Use of uninitialized value $_ in eval "string" at - line 4. | |
29489e7c | 1313 | Use of uninitialized value $m1 in eval "string" at - line 5. |
50edf520 | 1314 | Use of uninitialized value in addition (+) at - line 6. |
29489e7c DM |
1315 | ######## |
1316 | use warnings 'uninitialized'; | |
1317 | my ($m1); | |
1318 | ||
1319 | exit $m1; | |
1320 | EXPECT | |
1321 | Use of uninitialized value $m1 in exit at - line 4. | |
12e06b6f | 1322 | ######## |
12e06b6f NC |
1323 | use warnings 'uninitialized'; |
1324 | my $undef; | |
1325 | ||
1326 | if ($undef == 3) { | |
1327 | } elsif ($undef == 0) { | |
1328 | } | |
1329 | EXPECT | |
1330 | Use of uninitialized value $undef in numeric eq (==) at - line 4. | |
1331 | Use of uninitialized value $undef in numeric eq (==) at - line 5. | |
1332 | ######## | |
79851868 NC |
1333 | # TODO long standing bug - conditions of while loops |
1334 | use warnings; | |
1335 | ||
1336 | my $c; | |
1337 | my $d = 1; | |
1338 | while ($c == 0 && $d) { | |
1339 | # a | |
1340 | # few | |
1341 | # blank | |
1342 | # lines | |
1343 | undef $d; | |
1344 | } | |
1345 | EXPECT | |
1346 | Use of uninitialized value $c in numeric eq (==) at - line 5. | |
1347 | Use of uninitialized value $c in numeric eq (==) at - line 5. | |
1348 | ######## | |
d12f7a6a NC |
1349 | # TODO long standing bug - conditions of until loops |
1350 | use warnings; | |
1351 | ||
1352 | my $c; | |
1353 | my $d; | |
1354 | until ($c == 1) { | |
1355 | # a | |
1356 | # few | |
1357 | # blank | |
1358 | # lines | |
1359 | $c = 1 if ++$d == 2; | |
1360 | } | |
1361 | EXPECT | |
1362 | Use of uninitialized value $c in numeric eq (==) at - line 5. | |
1363 | Use of uninitialized value $c in numeric eq (==) at - line 5. | |
1364 | ######## | |
1365 | # TODO long standing bug - conditions of for loops | |
1366 | use warnings; | |
1367 | ||
1368 | my $c; | |
1369 | my $d; | |
1370 | for ($d = 1; $c == 0 && $d; ) { | |
1371 | # a | |
1372 | # few | |
1373 | # blank | |
1374 | # lines | |
1375 | undef $d; | |
1376 | } | |
1377 | ||
1378 | my $e; | |
1379 | for ($d = 2; $d > 0; $e = !($c == 0)) { | |
1380 | # a | |
1381 | # few | |
1382 | # blank | |
1383 | # lines | |
1384 | --$d; | |
1385 | } | |
1386 | EXPECT | |
1387 | Use of uninitialized value $c in numeric eq (==) at - line 5. | |
1388 | Use of uninitialized value $c in numeric eq (==) at - line 5. | |
1389 | Use of uninitialized value $c in numeric eq (==) at - line 14. | |
1390 | Use of uninitialized value $c in numeric eq (==) at - line 14. | |
1391 | ######## | |
12e06b6f NC |
1392 | # TODO long standing bug - more general variant of the above problem |
1393 | use warnings; | |
1394 | my $undef; | |
1395 | ||
1396 | my $a = $undef + 1; | |
1397 | my $b | |
1398 | = $undef | |
1399 | + 1; | |
1400 | EXPECT | |
1401 | Use of uninitialized value $undef in addition (+) at - line 4. | |
1402 | Use of uninitialized value $undef in addition (+) at - line 7. | |
1e21d011 B |
1403 | ######## |
1404 | use warnings 'uninitialized'; | |
1405 | my ($r1, $r2); | |
1406 | $_ = undef; | |
1407 | $v = reverse; | |
1408 | $v = reverse $r1; | |
1409 | $v = reverse "abc", $r2, "def"; | |
1410 | EXPECT | |
1411 | Use of uninitialized value in reverse at - line 4. | |
1412 | Use of uninitialized value $r1 in reverse at - line 5. | |
1413 | Use of uninitialized value $r2 in reverse at - line 6. | |
8b0dea50 DM |
1414 | ######## |
1415 | use warnings 'uninitialized'; | |
1416 | # | |
1417 | # ops that can return undef for defined args | |
1418 | # | |
1419 | my $nofile = '/no/such/file'; | |
1420 | my $nocmd = '/no/such/command'; | |
1421 | my $v; | |
928cb7d4 | 1422 | # *** `` not tested: Windows produces an error on STDERR |
a3ed38f2 | 1423 | # *** ditto qx() |
8b0dea50 DM |
1424 | my $f = ""; |
1425 | $v = 1 + open($f, $nofile); | |
1426 | # *** pipe() not tested | |
1427 | $v = 1 + fileno($nofile); | |
1428 | $v = 1 + binmode($nofile); | |
1429 | $v = 1 + tied($nofile); | |
1430 | $v = 1 + getc($nofile); | |
1431 | $v = 1 + sysread($nofile, my $buf,1); | |
1432 | $v = 1 + eval { send($nofile, $buf,0) }; | |
1433 | # *** ioctl not tested | |
1434 | # *** socket not tested | |
1435 | # *** socketpair not tested | |
1436 | # *** bind not tested | |
1437 | # *** connect not tested | |
1438 | # *** listen not tested | |
1439 | $v = 1 + eval { accept($fh, $nofile) }; | |
1440 | # *** shutdown not tested | |
1441 | # *** setsockopt not tested | |
1442 | # *** getpeername not tested | |
1443 | $v = 1 + (-r $nofile); | |
1444 | $v = 1 + (-w $nofile); | |
1445 | $v = 1 + (-x $nofile); | |
1446 | $v = 1 + (-o $nofile); | |
1447 | $v = 1 + (-R $nofile); | |
1448 | $v = 1 + (-W $nofile); | |
1449 | $v = 1 + (-X $nofile); | |
1450 | $v = 1 + (-O $nofile); | |
1451 | $v = 1 + (-e $nofile); | |
1452 | $v = 1 + (-z $nofile); | |
1453 | $v = 1 + (-s $nofile); | |
1454 | $v = 1 + (-f $nofile); | |
1455 | $v = 1 + (-d $nofile); | |
1456 | $v = 1 + (-l $nofile); | |
1457 | $v = 1 + (-p $nofile); | |
1458 | $v = 1 + (-S $nofile); | |
1459 | $v = 1 + (-b $nofile); | |
1460 | $v = 1 + (-c $nofile); | |
1461 | $v = 1 + (-t $nofile); | |
1462 | $v = 1 + (-u $nofile); | |
1463 | $v = 1 + (-g $nofile); | |
928cb7d4 | 1464 | # *** -k not tested: Produces no warning on Windows |
8b0dea50 DM |
1465 | $v = 1 + (-T $nofile); |
1466 | $v = 1 + (-B $nofile); | |
1467 | $v = 1 + (-M $nofile); | |
1468 | $v = 1 + (-A $nofile); | |
1469 | $v = 1 + (-C $nofile); | |
1470 | $v = 1 + eval { readlink $nofile }; | |
1471 | $v = 1 + opendir($f, $nofile); | |
1472 | # *** readdir not tested | |
1473 | # *** telldir not tested | |
1474 | # *** seekdir not tested | |
1475 | # *** rewinddir not tested | |
1476 | # *** closedir not tested | |
1477 | # *** gmtime not tested | |
1478 | # *** alarm not tested | |
1479 | # *** semget not tested | |
1480 | # *** getlogin not tested | |
1481 | $v = 1 + undef; | |
1482 | my $x = 1; $v = 1 + undef($x); | |
1483 | my $emptys = ""; | |
1484 | $v = 1 + substr($emptys,2,1); | |
1485 | my @emptya; | |
1486 | $v = 1 + each @emptya; | |
1487 | my @emptyh; | |
1488 | $v = 1 + each %emptyh; | |
1489 | $v = 1 + sort @emptya; | |
1490 | my $zero = 0; $v = 1 + caller($zero); | |
1491 | $v = 1 + do $nofile; | |
fa8d1836 DM |
1492 | my $fn = sub {}; |
1493 | $v = 1 + prototype $fn; | |
1494 | my $nan = "NaN"; | |
928cb7d4 | 1495 | # *** ($nan <=> 1) not tested: NaN not supported on Windows |
fa8d1836 DM |
1496 | $v = 1 + ($fn ~~ 1); |
1497 | $v = 1 + (print STDIN $f); # print to STDIN returns undef | |
1498 | $v = 1 + (printf STDIN "%s", $f); | |
1499 | { use feature 'say'; $v = 1 + (say STDIN "%s", $f); } | |
1500 | $v = 1 + (unpack("",$f)); | |
1501 | $v = 1 + sysopen($f, $nofile, 0); | |
1502 | { my $x = -1; $v = 1 + sysseek(STDIN, $x, 0); } | |
8b0dea50 DM |
1503 | |
1504 | EXPECT | |
8b0dea50 DM |
1505 | Use of uninitialized value in addition (+) at - line 11. |
1506 | Use of uninitialized value in addition (+) at - line 13. | |
1507 | Use of uninitialized value in addition (+) at - line 14. | |
1508 | Use of uninitialized value in addition (+) at - line 15. | |
1509 | Use of uninitialized value in addition (+) at - line 16. | |
1510 | Use of uninitialized value in addition (+) at - line 17. | |
1511 | Use of uninitialized value in addition (+) at - line 18. | |
1512 | Use of uninitialized value in addition (+) at - line 25. | |
1513 | Use of uninitialized value in addition (+) at - line 29. | |
1514 | Use of uninitialized value in addition (+) at - line 30. | |
1515 | Use of uninitialized value in addition (+) at - line 31. | |
1516 | Use of uninitialized value in addition (+) at - line 32. | |
1517 | Use of uninitialized value in addition (+) at - line 33. | |
1518 | Use of uninitialized value in addition (+) at - line 34. | |
1519 | Use of uninitialized value in addition (+) at - line 35. | |
1520 | Use of uninitialized value in addition (+) at - line 36. | |
1521 | Use of uninitialized value in addition (+) at - line 37. | |
1522 | Use of uninitialized value in addition (+) at - line 38. | |
1523 | Use of uninitialized value in addition (+) at - line 39. | |
1524 | Use of uninitialized value in addition (+) at - line 40. | |
1525 | Use of uninitialized value in addition (+) at - line 41. | |
1526 | Use of uninitialized value in addition (+) at - line 42. | |
1527 | Use of uninitialized value in addition (+) at - line 43. | |
1528 | Use of uninitialized value in addition (+) at - line 44. | |
1529 | Use of uninitialized value in addition (+) at - line 45. | |
1530 | Use of uninitialized value in addition (+) at - line 46. | |
1531 | Use of uninitialized value in addition (+) at - line 47. | |
1532 | Use of uninitialized value in addition (+) at - line 48. | |
1533 | Use of uninitialized value in addition (+) at - line 49. | |
8b0dea50 DM |
1534 | Use of uninitialized value in addition (+) at - line 51. |
1535 | Use of uninitialized value in addition (+) at - line 52. | |
1536 | Use of uninitialized value in addition (+) at - line 53. | |
1537 | Use of uninitialized value in addition (+) at - line 54. | |
1538 | Use of uninitialized value in addition (+) at - line 55. | |
1539 | Use of uninitialized value in addition (+) at - line 56. | |
1540 | Use of uninitialized value in addition (+) at - line 57. | |
1541 | Use of uninitialized value in addition (+) at - line 67. | |
1542 | Use of uninitialized value in addition (+) at - line 68. | |
1543 | Use of uninitialized value in addition (+) at - line 70. | |
1544 | Use of uninitialized value in addition (+) at - line 72. | |
1545 | Use of uninitialized value in addition (+) at - line 74. | |
1546 | Use of uninitialized value in addition (+) at - line 75. | |
1547 | Use of uninitialized value in addition (+) at - line 76. | |
1548 | Use of uninitialized value in addition (+) at - line 77. | |
fa8d1836 | 1549 | Use of uninitialized value in addition (+) at - line 79. |
fa8d1836 DM |
1550 | Use of uninitialized value in addition (+) at - line 82. |
1551 | Use of uninitialized value in addition (+) at - line 83. | |
1552 | Use of uninitialized value in addition (+) at - line 84. | |
1553 | Use of uninitialized value in addition (+) at - line 85. | |
1554 | Use of uninitialized value in addition (+) at - line 86. | |
1555 | Use of uninitialized value in addition (+) at - line 87. | |
1556 | Use of uninitialized value in addition (+) at - line 88. |