2 # Tests counting number of FETCHes.
4 # See Bugs #76814 and #87708.
19 # tie $var, "main", $val; # FETCH returns $val
20 # tie $var, "main", $val1, $val2; # FETCH returns the values in order,
21 # # one at a time, repeating the last
22 # # when the list is exhausted.
23 sub TIESCALAR {my $pack = shift; bless [@_], $pack;}
24 sub FETCH {$count ++; @{$_ [0]} == 1 ? ${$_ [0]}[0] : shift @{$_ [0]}}
25 sub STORE { unshift @{$_[0]}, $_[1] }
30 my $expected = shift() // 1;
31 local $::Level = $::Level + 1;
34 $expected == 1 ? "just once" :
35 $expected == 2 ? "twice" :
43 tie my $var => 'main', 1;
46 $dummy = $var ; check_count "=";
47 *dummy = $var ; check_count '*glob = $tied';
50 $dummy = +$var ; check_count "unary +";
51 $dummy = -$var ; check_count "unary -";
53 # Basic arithmetic and string operators.
54 $dummy = $var + 1 ; check_count '+';
55 $dummy = $var - 1 ; check_count '-';
56 $dummy = $var / 1 ; check_count '/';
57 $dummy = $var * 1 ; check_count '*';
58 $dummy = $var % 1 ; check_count '%';
59 $dummy = $var ** 1 ; check_count '**';
60 $dummy = $var << 1 ; check_count '<<';
61 $dummy = $var >> 1 ; check_count '>>';
62 $dummy = $var x 1 ; check_count 'x';
63 @dummy = ($var) x 1 ; check_count 'x';
64 $dummy = $var . 1 ; check_count '.';
65 @dummy = $var .. 1 ; check_count '$tied..1';
66 @dummy = 1 .. $var; check_count '1..$tied';
67 tie my $v42 => 'main', "z";
68 @dummy = $v42 .. "a"; check_count '$tied.."a"';
69 @dummy = "a" .. $v42; check_count '"a"..$tied';
71 # Pre/post in/decrement
72 $var ++ ; check_count 'post ++';
73 $var -- ; check_count 'post --';
74 ++ $var ; check_count 'pre ++';
75 -- $var ; check_count 'pre --';
78 $dummy = $var < 1 ; check_count '<';
79 $dummy = $var <= 1 ; check_count '<=';
80 $dummy = $var == 1 ; check_count '==';
81 $dummy = $var >= 1 ; check_count '>=';
82 $dummy = $var > 1 ; check_count '>';
83 $dummy = $var != 1 ; check_count '!=';
84 $dummy = $var <=> 1 ; check_count '<=>';
87 $dummy = $var lt 1 ; check_count 'lt';
88 $dummy = $var le 1 ; check_count 'le';
89 $dummy = $var eq 1 ; check_count 'eq';
90 $dummy = $var ge 1 ; check_count 'ge';
91 $dummy = $var gt 1 ; check_count 'gt';
92 $dummy = $var ne 1 ; check_count 'ne';
93 $dummy = $var cmp 1 ; check_count 'cmp';
96 $dummy = $var & 1 ; check_count '&';
97 $dummy = $var ^ 1 ; check_count '^';
98 $dummy = $var | 1 ; check_count '|';
99 $dummy = ~$var ; check_count '~';
102 $dummy = !$var ; check_count '!';
103 tie my $v_1, "main", 0;
104 $dummy = $v_1 || 1 ; check_count '||';
105 $dummy = ($v_1 or 1); check_count 'or';
106 $dummy = $var && 1 ; check_count '&&';
107 $dummy = ($var and 1); check_count 'and';
108 $dummy = ($var xor 1); check_count 'xor';
109 $dummy = $var ? 1 : 1 ; check_count '?:';
111 # Overloadable functions
112 $dummy = sin $var ; check_count 'sin';
113 $dummy = cos $var ; check_count 'cos';
114 $dummy = exp $var ; check_count 'exp';
115 $dummy = abs $var ; check_count 'abs';
116 $dummy = log $var ; check_count 'log';
117 $dummy = sqrt $var ; check_count 'sqrt';
118 $dummy = int $var ; check_count 'int';
119 $dummy = atan2 $var, 1 ; check_count 'atan2';
122 tie my $var0, "main", \*DATA;
123 $dummy = <$var0> ; check_count '<readline>';
125 $var .= <DATA> ; check_count '$tiedref .= <rcatline>';
127 $var .= <DATA> ; check_count '$tiedstr .= <rcatline>';
129 $var .= <DATA> ; check_count '$tiedglob .= <rcatline>';
130 { no warnings "glob";
131 $dummy = <${var}> ; check_count '<glob>';
135 for (split //, 'rwxoRWXOezsfdpSbctugkTBMAC') {
136 no warnings 'unopened';
137 $dummy = eval "-$_ \$var"; check_count "-$_";
138 # Make $var hold a glob:
139 $var = *dummy; $dummy = $var; $count = 0;
140 $dummy = eval "-$_ \$var"; check_count "-$_ \$tied_glob";
142 $var = *dummy; $dummy = $var; $count = 0;
143 eval "\$dummy = -$_ \\\$var";
144 check_count "-$_ \\\$tied_glob";
146 $dummy = -l $var ; check_count '-l';
148 $dummy = -e -e -e $var ; check_count '-e -e';
152 $dummy = $var =~ m/ / ; check_count 'm//';
153 $dummy = $var =~ s/ //; check_count 's///';
155 no warnings 'experimental::smartmatch';
156 $dummy = $var ~~ 1 ; check_count '~~';
158 $dummy = $var =~ y/ //; check_count 'y///';
160 $dummy = $var =~y/ /-/; check_count '$ref =~ y///';
161 /$var/ ; check_count 'm/pattern/';
162 /$var foo/ ; check_count 'm/$tied foo/';
163 s/$var// ; check_count 's/pattern//';
164 s/$var foo// ; check_count 's/$tied foo//';
165 s/./$var/ ; check_count 's//replacement/';
168 tie my $var1 => 'main', \1;
169 $dummy = $$var1 ; check_count '${}';
170 tie my $var2 => 'main', [];
171 $dummy = @$var2 ; check_count '@{}';
172 $dummy = shift $var2 ; check_count 'shift arrayref';
173 tie my $var3 => 'main', {};
174 $dummy = %$var3 ; check_count '%{}';
175 $dummy = keys $var3 ; check_count 'keys hashref';
178 tie my $var4 => 'main', *];
179 $dummy = *$var4 ; check_count '*{}';
182 tie my $var5 => 'main', sub {1};
183 $dummy = &$var5 ; check_count '&{}';
187 tie my $var1 => 'main', 1;
188 $dummy = $$var1 ; check_count 'symbolic ${}';
189 $dummy = @$var1 ; check_count 'symbolic @{}';
190 $dummy = %$var1 ; check_count 'symbolic %{}';
191 $dummy = *$var1 ; check_count 'symbolic *{}';
193 $dummy = &$var1 ; check_count 'symbolic &{}';
195 # This test will not be a complete test if *988 has been created
196 # already. If this dies, change it to use another built-in variable.
197 # In 5.10-14, rv2gv calls get-magic more times for built-in vars, which
198 # is why we need the test this way.
199 if (exists $::{988}) {
200 die "*988 already exists. Please adjust this test"
202 tie my $var6 => main => 988;
204 readdir $var6 ; check_count 'symbolic readdir';
205 if (exists $::{973}) { # Need a different variable here
206 die "*973 already exists. Please adjust this test"
208 tie my $var7 => main => 973;
209 defined $$var7 ; check_count 'symbolic defined ${}';
212 tie my $var8 => 'main', 'main';
214 $var8->bolgy ; check_count '->method';
218 # This must be the name of an existing glob to trigger the maximum
219 # number of fetches in 5.14:
220 tie my $var9 => 'main', 'swibble';
222 use constant glumscrin => 'shreggleboughet';
223 *$var9 = \&{"glumscrin"}; check_count '*$tied = \&{"name of const"}';
226 # Functions that operate on filenames or filehandles
227 for ([chdir=>''],[chmod=>'0,'],[chown=>'0,0,'],[utime=>'0,0,'],
228 [truncate=>'',',0'],[stat=>''],[lstat=>''],[open=>'my $fh,"<&",'],
229 ['()=sort'=>'',' 1,2,3']) {
230 my($op,$args,$postargs) = @$_; $postargs //= '';
231 # This line makes $var8 hold a glob:
232 $var8 = *dummy; $dummy = $var8; $count = 0;
233 eval "$op $args \$var8 $postargs";
234 check_count "$op $args\$tied_glob$postargs";
235 $var8 = *dummy; $dummy = $var8; $count = 0;
237 eval "$op $args \$ref $postargs";
238 check_count "$op $args\\\$tied_glob$postargs";
244 $dummy = select $var, undef, undef, 0
245 ; check_count 'select $tied_glob, ...';
247 $dummy = select $var, undef, undef, 0
248 ; check_count 'select $tied_ref, ...';
250 $dummy = select $var, undef, undef, 0
251 ; check_count 'select $tied_undef, ...';
254 chop(my $u = "\xff\x{100}");
255 tie $var, "main", $u;
256 $dummy = pack "u", $var; check_count 'pack "u", $utf8';
258 tie $var, "main", "\x{100}";
259 pos$var = 0 ; check_count 'lvalue pos $utf8';
260 $dummy=sprintf"%1s",$var; check_count 'sprintf "%1s", $utf8';
261 $dummy=sprintf"%.1s",$var; check_count 'sprintf "%.1s", $utf8';
262 $dummy = substr$var,0,1; check_count 'substr $utf8';
263 my $l =\substr$var,0,1;
264 $dummy = $$l ; check_count 'reading lvalue substr($utf8)';
265 $$l = 0 ; check_count 'setting lvalue substr($utf8)';
266 tie $var, "main", "a";
267 $$l = "\x{100}" ; check_count 'assigning $utf8 to lvalue substr';
268 tie $var1, "main", "a";
269 substr$var1,0,0,"\x{100}"; check_count '4-arg substr with utf8 replacement';
272 local $SIG{__WARN__} = sub {};
273 $dummy = warn $var ; check_count 'warn $tied';
274 tie $@, => 'main', 1;
275 $dummy = warn ; check_count 'warn() with $@ tied (num)';
276 tie $@, => 'main', \1;
277 $dummy = warn ; check_count 'warn() with $@ tied (ref)';
278 tie $@, => 'main', "foo\n";
279 $dummy = warn ; check_count 'warn() with $@ tied (str)';
283 ###############################################
284 # Tests for $foo binop $foo #
285 ###############################################
287 # These test that binary ops call FETCH twice if the same scalar is used
288 # for both operands. They also test that both return values from
291 my %mutators = map { ($_ => 1) } qw(. + - * / % ** << >> & | ^);
300 $int = $int ? 'use integer; ' : '';
302 tie my $var, "main", @fetches;
303 is(eval "$int\$var $op \$var", $exp, "retval of $int\$var $op \$var");
304 check_count "$int$op", 2;
306 return unless $mutators{$op};
308 tie my $var2, "main", @fetches;
309 is(eval "$int \$var2 $op= \$var2", $exp, "retval of $int \$var2 $op= \$var2");
310 check_count "$int$op=", 3;
321 bin_test '**', 2, 3, 8;
322 bin_test '*' , 2, 3, 6;
323 bin_test '/' , 10, 2, 5;
324 bin_test '%' , 11, 2, 1;
325 bin_test 'x' , 11, 2, 1111;
326 bin_test '-' , 11, 2, 9;
327 bin_test '<<', 11, 2, 44;
328 bin_test '>>', 44, 2, 11;
329 bin_test '<' , 1, 2, 1;
330 bin_test '>' , 44, 2, 1;
331 bin_test '<=', 44, 2, "";
332 bin_test '>=', 1, 2, "";
333 bin_test '!=', 1, 2, 1;
334 bin_test '<=>', 1, 2, -1;
335 bin_test 'le', 4, 2, "";
336 bin_test 'lt', 1, 2, 1;
337 bin_test 'gt', 4, 2, 1;
338 bin_test 'ge', 1, 2, "";
339 bin_test 'eq', 1, 2, "";
340 bin_test 'ne', 1, 2, 1;
341 bin_test 'cmp', 1, 2, -1;
342 bin_test '&' , 1, 2, 0;
343 bin_test '|' , 1, 2, 3;
344 bin_test '^' , 3, 5, 6;
345 bin_test '.' , 1, 2, 12;
346 bin_test '==', 1, 2, "";
347 bin_test '+' , 1, 2, 3;
348 bin_int_test '*' , 2, 3, 6;
349 bin_int_test '/' , 10, 2, 5;
350 bin_int_test '%' , 11, 2, 1;
351 bin_int_test '+' , 1, 2, 3;
352 bin_int_test '-' , 11, 2, 9;
353 bin_int_test '<' , 1, 2, 1;
354 bin_int_test '>' , 44, 2, 1;
355 bin_int_test '<=', 44, 2, "";
356 bin_int_test '>=', 1, 2, "";
357 bin_int_test '==', 1, 2, "";
358 bin_int_test '!=', 1, 2, 1;
359 bin_int_test '<=>', 1, 2, -1;
360 tie $var, "main", 1, 4;
361 cmp_ok(atan2($var, $var), '<', .3, 'retval of atan2 $var, $var');
362 check_count 'atan2', 2;