Commit | Line | Data |
---|---|---|
3340ac37 | 1 | #!./perl -T |
8ebc5c01 | 2 | |
3 | BEGIN { | |
4 | chdir 't' if -d 't'; | |
20822f61 | 5 | @INC = '../lib'; |
78cd8b71 | 6 | require Config; |
98641f60 | 7 | if (($Config::Config{'extensions'} !~ m!\bList/Util\b!) ){ |
78cd8b71 NC |
8 | print "1..0 # Skip -- Perl configured without List::Util module\n"; |
9 | exit 0; | |
10 | } | |
8ebc5c01 | 11 | } |
12 | ||
8ebc5c01 | 13 | package Oscalar; |
14 | use overload ( | |
15 | # Anonymous subroutines: | |
16 | '+' => sub {new Oscalar $ {$_[0]}+$_[1]}, | |
17 | '-' => sub {new Oscalar | |
18 | $_[2]? $_[1]-${$_[0]} : ${$_[0]}-$_[1]}, | |
19 | '<=>' => sub {new Oscalar | |
20 | $_[2]? $_[1]-${$_[0]} : ${$_[0]}-$_[1]}, | |
21 | 'cmp' => sub {new Oscalar | |
22 | $_[2]? ($_[1] cmp ${$_[0]}) : (${$_[0]} cmp $_[1])}, | |
23 | '*' => sub {new Oscalar ${$_[0]}*$_[1]}, | |
24 | '/' => sub {new Oscalar | |
25 | $_[2]? $_[1]/${$_[0]} : | |
26 | ${$_[0]}/$_[1]}, | |
27 | '%' => sub {new Oscalar | |
28 | $_[2]? $_[1]%${$_[0]} : ${$_[0]}%$_[1]}, | |
29 | '**' => sub {new Oscalar | |
30 | $_[2]? $_[1]**${$_[0]} : ${$_[0]}-$_[1]}, | |
31 | ||
32 | qw( | |
33 | "" stringify | |
b0bf6df7 | 34 | 0+ numify) # Order of arguments insignificant |
8ebc5c01 | 35 | ); |
36 | ||
37 | sub new { | |
38 | my $foo = $_[1]; | |
39 | bless \$foo, $_[0]; | |
40 | } | |
41 | ||
42 | sub stringify { "${$_[0]}" } | |
43 | sub numify { 0 + "${$_[0]}" } # Not needed, additional overhead | |
44 | # comparing to direct compilation based on | |
45 | # stringify | |
46 | ||
47 | package main; | |
48 | ||
8ebc5c01 | 49 | $| = 1; |
895b760f | 50 | use Test::More tests => 4880; |
b1fbf5c3 | 51 | |
a02ec77a | 52 | use Scalar::Util qw(tainted); |
8ebc5c01 | 53 | |
54 | $a = new Oscalar "087"; | |
55 | $b= "$a"; | |
56 | ||
b1fbf5c3 NC |
57 | is($b, $a); |
58 | is($b, "087"); | |
59 | is(ref $a, "Oscalar"); | |
60 | is($a, $a); | |
61 | is($a, "087"); | |
8ebc5c01 | 62 | |
63 | $c = $a + 7; | |
64 | ||
b1fbf5c3 NC |
65 | is(ref $c, "Oscalar"); |
66 | isnt($c, $a); | |
67 | is($c, "94"); | |
8ebc5c01 | 68 | |
69 | $b=$a; | |
70 | ||
b1fbf5c3 | 71 | is(ref $a, "Oscalar"); |
8ebc5c01 | 72 | |
73 | $b++; | |
74 | ||
b1fbf5c3 NC |
75 | is(ref $b, "Oscalar"); |
76 | is($a, "087"); | |
77 | is($b, "88"); | |
78 | is(ref $a, "Oscalar"); | |
8ebc5c01 | 79 | |
80 | $c=$b; | |
81 | $c-=$a; | |
82 | ||
b1fbf5c3 NC |
83 | is(ref $c, "Oscalar"); |
84 | is($a, "087"); | |
85 | is($c, "1"); | |
86 | is(ref $a, "Oscalar"); | |
8ebc5c01 | 87 | |
88 | $b=1; | |
89 | $b+=$a; | |
90 | ||
b1fbf5c3 NC |
91 | is(ref $b, "Oscalar"); |
92 | is($a, "087"); | |
93 | is($b, "88"); | |
94 | is(ref $a, "Oscalar"); | |
8ebc5c01 | 95 | |
96 | eval q[ package Oscalar; use overload ('++' => sub { $ {$_[0]}++;$_[0] } ) ]; | |
97 | ||
98 | $b=$a; | |
99 | ||
b1fbf5c3 | 100 | is(ref $a, "Oscalar"); |
8ebc5c01 | 101 | |
102 | $b++; | |
103 | ||
b1fbf5c3 NC |
104 | is(ref $b, "Oscalar"); |
105 | is($a, "087"); | |
106 | is($b, "88"); | |
107 | is(ref $a, "Oscalar"); | |
8ebc5c01 | 108 | |
109 | package Oscalar; | |
110 | $dummy=bless \$dummy; # Now cache of method should be reloaded | |
111 | package main; | |
112 | ||
113 | $b=$a; | |
114 | $b++; | |
115 | ||
b1fbf5c3 NC |
116 | is(ref $b, "Oscalar"); |
117 | is($a, "087"); | |
118 | is($b, "88"); | |
119 | is(ref $a, "Oscalar"); | |
8ebc5c01 | 120 | |
32251b26 | 121 | undef $b; # Destroying updates tables too... |
8ebc5c01 | 122 | |
123 | eval q[package Oscalar; use overload ('++' => sub { $ {$_[0]} += 2; $_[0] } ) ]; | |
124 | ||
125 | $b=$a; | |
126 | ||
b1fbf5c3 | 127 | is(ref $a, "Oscalar"); |
8ebc5c01 | 128 | |
129 | $b++; | |
130 | ||
b1fbf5c3 NC |
131 | is(ref $b, "Oscalar"); |
132 | is($a, "087"); | |
133 | is($b, "88"); | |
134 | is(ref $a, "Oscalar"); | |
8ebc5c01 | 135 | |
136 | package Oscalar; | |
137 | $dummy=bless \$dummy; # Now cache of method should be reloaded | |
138 | package main; | |
139 | ||
140 | $b++; | |
141 | ||
b1fbf5c3 NC |
142 | is(ref $b, "Oscalar"); |
143 | is($a, "087"); | |
144 | is($b, "90"); | |
145 | is(ref $a, "Oscalar"); | |
8ebc5c01 | 146 | |
147 | $b=$a; | |
148 | $b++; | |
149 | ||
b1fbf5c3 NC |
150 | is(ref $b, "Oscalar"); |
151 | is($a, "087"); | |
152 | is($b, "89"); | |
153 | is(ref $a, "Oscalar"); | |
8ebc5c01 | 154 | |
155 | ||
b1fbf5c3 | 156 | ok($b? 1:0); |
8ebc5c01 | 157 | |
158 | eval q[ package Oscalar; use overload ('=' => sub {$main::copies++; | |
159 | package Oscalar; | |
160 | local $new=$ {$_[0]}; | |
161 | bless \$new } ) ]; | |
162 | ||
163 | $b=new Oscalar "$a"; | |
164 | ||
b1fbf5c3 NC |
165 | is(ref $b, "Oscalar"); |
166 | is($a, "087"); | |
167 | is($b, "087"); | |
168 | is(ref $a, "Oscalar"); | |
8ebc5c01 | 169 | |
170 | $b++; | |
171 | ||
b1fbf5c3 NC |
172 | is(ref $b, "Oscalar"); |
173 | is($a, "087"); | |
174 | is($b, "89"); | |
175 | is(ref $a, "Oscalar"); | |
176 | is($copies, undef); | |
8ebc5c01 | 177 | |
178 | $b+=1; | |
179 | ||
b1fbf5c3 NC |
180 | is(ref $b, "Oscalar"); |
181 | is($a, "087"); | |
182 | is($b, "90"); | |
183 | is(ref $a, "Oscalar"); | |
184 | is($copies, undef); | |
8ebc5c01 | 185 | |
186 | $b=$a; | |
187 | $b+=1; | |
188 | ||
b1fbf5c3 NC |
189 | is(ref $b, "Oscalar"); |
190 | is($a, "087"); | |
191 | is($b, "88"); | |
192 | is(ref $a, "Oscalar"); | |
193 | is($copies, undef); | |
8ebc5c01 | 194 | |
195 | $b=$a; | |
196 | $b++; | |
197 | ||
b1fbf5c3 NC |
198 | is(ref $b, "Oscalar"); |
199 | is($a, "087"); | |
200 | is($b, "89"); | |
201 | is(ref $a, "Oscalar"); | |
202 | is($copies, 1); | |
8ebc5c01 | 203 | |
204 | eval q[package Oscalar; use overload ('+=' => sub {$ {$_[0]} += 3*$_[1]; | |
205 | $_[0] } ) ]; | |
206 | $c=new Oscalar; # Cause rehash | |
207 | ||
208 | $b=$a; | |
209 | $b+=1; | |
210 | ||
b1fbf5c3 NC |
211 | is(ref $b, "Oscalar"); |
212 | is($a, "087"); | |
213 | is($b, "90"); | |
214 | is(ref $a, "Oscalar"); | |
215 | is($copies, 2); | |
8ebc5c01 | 216 | |
217 | $b+=$b; | |
218 | ||
b1fbf5c3 NC |
219 | is(ref $b, "Oscalar"); |
220 | is($b, "360"); | |
221 | is($copies, 2); | |
8ebc5c01 | 222 | $b=-$b; |
223 | ||
b1fbf5c3 NC |
224 | is(ref $b, "Oscalar"); |
225 | is($b, "-360"); | |
226 | is($copies, 2); | |
8ebc5c01 | 227 | |
228 | $b=abs($b); | |
229 | ||
b1fbf5c3 NC |
230 | is(ref $b, "Oscalar"); |
231 | is($b, "360"); | |
232 | is($copies, 2); | |
8ebc5c01 | 233 | |
234 | $b=abs($b); | |
235 | ||
b1fbf5c3 NC |
236 | is(ref $b, "Oscalar"); |
237 | is($b, "360"); | |
238 | is($copies, 2); | |
8ebc5c01 | 239 | |
240 | eval q[package Oscalar; | |
241 | use overload ('x' => sub {new Oscalar ( $_[2] ? "_.$_[1]._" x $ {$_[0]} | |
242 | : "_.${$_[0]}._" x $_[1])}) ]; | |
243 | ||
244 | $a=new Oscalar "yy"; | |
245 | $a x= 3; | |
b1fbf5c3 | 246 | is($a, "_.yy.__.yy.__.yy._"); |
8ebc5c01 | 247 | |
248 | eval q[package Oscalar; | |
249 | use overload ('.' => sub {new Oscalar ( $_[2] ? | |
250 | "_.$_[1].__.$ {$_[0]}._" | |
251 | : "_.$ {$_[0]}.__.$_[1]._")}) ]; | |
252 | ||
253 | $a=new Oscalar "xx"; | |
254 | ||
b1fbf5c3 | 255 | is("b${a}c", "_._.b.__.xx._.__.c._"); |
8ebc5c01 | 256 | |
257 | # Check inheritance of overloading; | |
258 | { | |
259 | package OscalarI; | |
260 | @ISA = 'Oscalar'; | |
261 | } | |
262 | ||
263 | $aI = new OscalarI "$a"; | |
b1fbf5c3 NC |
264 | is(ref $aI, "OscalarI"); |
265 | is("$aI", "xx"); | |
266 | is($aI, "xx"); | |
267 | is("b${aI}c", "_._.b.__.xx._.__.c._"); | |
8ebc5c01 | 268 | |
269 | # Here we test blessing to a package updates hash | |
270 | ||
271 | eval "package Oscalar; no overload '.'"; | |
272 | ||
b1fbf5c3 | 273 | is("b${a}", "_.b.__.xx._"); |
8ebc5c01 | 274 | $x="1"; |
275 | bless \$x, Oscalar; | |
b1fbf5c3 | 276 | is("b${a}c", "bxxc"); |
8ebc5c01 | 277 | new Oscalar 1; |
b1fbf5c3 | 278 | is("b${a}c", "bxxc"); |
8ebc5c01 | 279 | |
280 | # Negative overloading: | |
281 | ||
282 | $na = eval { ~$a }; | |
b1fbf5c3 | 283 | like($@, qr/no method found/); |
8ebc5c01 | 284 | |
285 | # Check AUTOLOADING: | |
286 | ||
287 | *Oscalar::AUTOLOAD = | |
288 | sub { *{"Oscalar::$AUTOLOAD"} = sub {"_!_" . shift() . "_!_"} ; | |
289 | goto &{"Oscalar::$AUTOLOAD"}}; | |
290 | ||
44a8e56a | 291 | eval "package Oscalar; sub comple; use overload '~' => 'comple'"; |
8ebc5c01 | 292 | |
293 | $na = eval { ~$a }; # Hash was not updated | |
b1fbf5c3 | 294 | like($@, qr/no method found/); |
8ebc5c01 | 295 | |
296 | bless \$x, Oscalar; | |
297 | ||
298 | $na = eval { ~$a }; # Hash updated | |
44a8e56a | 299 | warn "`$na', $@" if $@; |
b1fbf5c3 NC |
300 | ok !$@; |
301 | is($na, '_!_xx_!_'); | |
8ebc5c01 | 302 | |
303 | $na = 0; | |
304 | ||
305 | $na = eval { ~$aI }; # Hash was not updated | |
fdb7e2a2 | 306 | like($@, qr/no method found/); |
8ebc5c01 | 307 | |
308 | bless \$x, OscalarI; | |
309 | ||
310 | $na = eval { ~$aI }; | |
311 | print $@; | |
312 | ||
fdb7e2a2 NC |
313 | ok(!$@); |
314 | is($na, '_!_xx_!_'); | |
8ebc5c01 | 315 | |
44a8e56a | 316 | eval "package Oscalar; sub rshft; use overload '>>' => 'rshft'"; |
8ebc5c01 | 317 | |
318 | $na = eval { $aI >> 1 }; # Hash was not updated | |
fdb7e2a2 | 319 | like($@, qr/no method found/); |
8ebc5c01 | 320 | |
321 | bless \$x, OscalarI; | |
322 | ||
323 | $na = 0; | |
324 | ||
325 | $na = eval { $aI >> 1 }; | |
326 | print $@; | |
327 | ||
fdb7e2a2 NC |
328 | ok(!$@); |
329 | is($na, '_!_xx_!_'); | |
8ebc5c01 | 330 | |
44a8e56a | 331 | # warn overload::Method($a, '0+'), "\n"; |
fdb7e2a2 NC |
332 | is(overload::Method($a, '0+'), \&Oscalar::numify); |
333 | is(overload::Method($aI,'0+'), \&Oscalar::numify); | |
334 | ok(overload::Overloaded($aI)); | |
335 | ok(!overload::Overloaded('overload')); | |
8ebc5c01 | 336 | |
fdb7e2a2 NC |
337 | ok(! defined overload::Method($aI, '<<')); |
338 | ok(! defined overload::Method($a, '<')); | |
8ebc5c01 | 339 | |
fdb7e2a2 NC |
340 | like (overload::StrVal($aI), qr/^OscalarI=SCALAR\(0x[\da-fA-F]+\)$/); |
341 | is(overload::StrVal(\$aI), "@{[\$aI]}"); | |
8ebc5c01 | 342 | |
44a8e56a | 343 | # Check overloading by methods (specified deep in the ISA tree). |
344 | { | |
345 | package OscalarII; | |
346 | @ISA = 'OscalarI'; | |
347 | sub Oscalar::lshft {"_<<_" . shift() . "_<<_"} | |
348 | eval "package OscalarI; use overload '<<' => 'lshft', '|' => 'lshft'"; | |
349 | } | |
350 | ||
351 | $aaII = "087"; | |
352 | $aII = \$aaII; | |
353 | bless $aII, 'OscalarII'; | |
354 | bless \$fake, 'OscalarI'; # update the hash | |
fdb7e2a2 | 355 | is(($aI | 3), '_<<_xx_<<_'); |
44a8e56a | 356 | # warn $aII << 3; |
fdb7e2a2 | 357 | is(($aII << 3), '_<<_087_<<_'); |
44a8e56a | 358 | |
b3ac6de7 IZ |
359 | { |
360 | BEGIN { $int = 7; overload::constant 'integer' => sub {$int++; shift}; } | |
361 | $out = 2**10; | |
362 | } | |
fdb7e2a2 NC |
363 | is($int, 9); |
364 | is($out, 1024); | |
7898bf0b RGS |
365 | is($int, 9); |
366 | { | |
367 | BEGIN { overload::constant 'integer' => sub {$int++; shift()+1}; } | |
368 | eval q{$out = 42}; | |
369 | } | |
370 | is($int, 10); | |
371 | is($out, 43); | |
b3ac6de7 IZ |
372 | |
373 | $foo = 'foo'; | |
374 | $foo1 = 'f\'o\\o'; | |
375 | { | |
376 | BEGIN { $q = $qr = 7; | |
377 | overload::constant 'q' => sub {$q++; push @q, shift, ($_[1] || 'none'); shift}, | |
378 | 'qr' => sub {$qr++; push @qr, shift, ($_[1] || 'none'); shift}; } | |
379 | $out = 'foo'; | |
380 | $out1 = 'f\'o\\o'; | |
381 | $out2 = "a\a$foo,\,"; | |
382 | /b\b$foo.\./; | |
383 | } | |
384 | ||
fdb7e2a2 NC |
385 | is($out, 'foo'); |
386 | is($out, $foo); | |
387 | is($out1, 'f\'o\\o'); | |
388 | is($out1, $foo1); | |
389 | is($out2, "a\afoo,\,"); | |
390 | is("@q", "foo q f'o\\\\o q a\\a qq ,\\, qq"); | |
391 | is($q, 11); | |
392 | is("@qr", "b\\b qq .\\. qq"); | |
393 | is($qr, 9); | |
b3ac6de7 IZ |
394 | |
395 | { | |
396 | $_ = '!<b>!foo!<-.>!'; | |
397 | BEGIN { overload::constant 'q' => sub {push @q1, shift, ($_[1] || 'none'); "_<" . (shift) . ">_"}, | |
398 | 'qr' => sub {push @qr1, shift, ($_[1] || 'none'); "!<" . (shift) . ">!"}; } | |
399 | $out = 'foo'; | |
400 | $out1 = 'f\'o\\o'; | |
401 | $out2 = "a\a$foo,\,"; | |
402 | $res = /b\b$foo.\./; | |
403 | $a = <<EOF; | |
404 | oups | |
405 | EOF | |
406 | $b = <<'EOF'; | |
407 | oups1 | |
408 | EOF | |
409 | $c = bareword; | |
410 | m'try it'; | |
411 | s'first part'second part'; | |
412 | s/yet another/tail here/; | |
c2e66d9e | 413 | tr/A-Z/a-z/; |
b3ac6de7 IZ |
414 | } |
415 | ||
fdb7e2a2 NC |
416 | is($out, '_<foo>_'); |
417 | is($out1, '_<f\'o\\o>_'); | |
418 | is($out2, "_<a\a>_foo_<,\,>_"); | |
419 | is("@q1", "foo q f'o\\\\o q a\\a qq ,\\, qq oups | |
b3ac6de7 | 420 | qq oups1 |
fdb7e2a2 NC |
421 | q second part q tail here s A-Z tr a-z tr"); |
422 | is("@qr1", "b\\b qq .\\. qq try it q first part q yet another qq"); | |
423 | is($res, 1); | |
424 | is($a, "_<oups | |
425 | >_"); | |
426 | is($b, "_<oups1 | |
427 | >_"); | |
428 | is($c, "bareword"); | |
b3ac6de7 | 429 | |
ee239bfe IZ |
430 | { |
431 | package symbolic; # Primitive symbolic calculator | |
432 | use overload nomethod => \&wrap, '""' => \&str, '0+' => \&num, | |
433 | '=' => \&cpy, '++' => \&inc, '--' => \&dec; | |
434 | ||
435 | sub new { shift; bless ['n', @_] } | |
436 | sub cpy { | |
437 | my $self = shift; | |
438 | bless [@$self], ref $self; | |
439 | } | |
440 | sub inc { $_[0] = bless ['++', $_[0], 1]; } | |
441 | sub dec { $_[0] = bless ['--', $_[0], 1]; } | |
442 | sub wrap { | |
443 | my ($obj, $other, $inv, $meth) = @_; | |
444 | if ($meth eq '++' or $meth eq '--') { | |
445 | @$obj = ($meth, (bless [@$obj]), 1); # Avoid circular reference | |
446 | return $obj; | |
447 | } | |
448 | ($obj, $other) = ($other, $obj) if $inv; | |
449 | bless [$meth, $obj, $other]; | |
450 | } | |
451 | sub str { | |
452 | my ($meth, $a, $b) = @{+shift}; | |
453 | $a = 'u' unless defined $a; | |
454 | if (defined $b) { | |
455 | "[$meth $a $b]"; | |
456 | } else { | |
457 | "[$meth $a]"; | |
458 | } | |
459 | } | |
460 | my %subr = ( 'n' => sub {$_[0]} ); | |
461 | foreach my $op (split " ", $overload::ops{with_assign}) { | |
462 | $subr{$op} = $subr{"$op="} = eval "sub {shift() $op shift()}"; | |
463 | } | |
464 | my @bins = qw(binary 3way_comparison num_comparison str_comparison); | |
465 | foreach my $op (split " ", "@overload::ops{ @bins }") { | |
466 | $subr{$op} = eval "sub {shift() $op shift()}"; | |
467 | } | |
468 | foreach my $op (split " ", "@overload::ops{qw(unary func)}") { | |
469 | $subr{$op} = eval "sub {$op shift()}"; | |
470 | } | |
471 | $subr{'++'} = $subr{'+'}; | |
472 | $subr{'--'} = $subr{'-'}; | |
473 | ||
474 | sub num { | |
475 | my ($meth, $a, $b) = @{+shift}; | |
476 | my $subr = $subr{$meth} | |
477 | or die "Do not know how to ($meth) in symbolic"; | |
478 | $a = $a->num if ref $a eq __PACKAGE__; | |
479 | $b = $b->num if ref $b eq __PACKAGE__; | |
480 | $subr->($a,$b); | |
481 | } | |
482 | sub TIESCALAR { my $pack = shift; $pack->new(@_) } | |
483 | sub FETCH { shift } | |
484 | sub nop { } # Around a bug | |
485 | sub vars { my $p = shift; tie($_, $p), $_->nop foreach @_; } | |
486 | sub STORE { | |
487 | my $obj = shift; | |
488 | $#$obj = 1; | |
a1063b2d | 489 | $obj->[1] = shift; |
ee239bfe IZ |
490 | } |
491 | } | |
492 | ||
493 | { | |
494 | my $foo = new symbolic 11; | |
495 | my $baz = $foo++; | |
fdb7e2a2 NC |
496 | is((sprintf "%d", $foo), '12'); |
497 | is((sprintf "%d", $baz), '11'); | |
ee239bfe IZ |
498 | my $bar = $foo; |
499 | $baz = ++$foo; | |
fdb7e2a2 NC |
500 | is((sprintf "%d", $foo), '13'); |
501 | is((sprintf "%d", $bar), '12'); | |
502 | is((sprintf "%d", $baz), '13'); | |
ee239bfe IZ |
503 | my $ban = $foo; |
504 | $baz = ($foo += 1); | |
fdb7e2a2 NC |
505 | is((sprintf "%d", $foo), '14'); |
506 | is((sprintf "%d", $bar), '12'); | |
507 | is((sprintf "%d", $baz), '14'); | |
508 | is((sprintf "%d", $ban), '13'); | |
ee239bfe IZ |
509 | $baz = 0; |
510 | $baz = $foo++; | |
fdb7e2a2 NC |
511 | is((sprintf "%d", $foo), '15'); |
512 | is((sprintf "%d", $baz), '14'); | |
513 | is("$foo", '[++ [+= [++ [++ [n 11] 1] 1] 1] 1]'); | |
ee239bfe IZ |
514 | } |
515 | ||
516 | { | |
517 | my $iter = new symbolic 2; | |
518 | my $side = new symbolic 1; | |
519 | my $cnt = $iter; | |
520 | ||
521 | while ($cnt) { | |
522 | $cnt = $cnt - 1; # The "simple" way | |
523 | $side = (sqrt(1 + $side**2) - 1)/$side; | |
524 | } | |
525 | my $pi = $side*(2**($iter+2)); | |
fdb7e2a2 NC |
526 | is("$side", '[/ [- [sqrt [+ 1 [** [/ [- [sqrt [+ 1 [** [n 1] 2]]] 1] [n 1]] 2]]] 1] [/ [- [sqrt [+ 1 [** [n 1] 2]]] 1] [n 1]]]'); |
527 | is((sprintf "%f", $pi), '3.182598'); | |
ee239bfe IZ |
528 | } |
529 | ||
530 | { | |
531 | my $iter = new symbolic 2; | |
532 | my $side = new symbolic 1; | |
533 | my $cnt = $iter; | |
534 | ||
535 | while ($cnt--) { | |
536 | $side = (sqrt(1 + $side**2) - 1)/$side; | |
537 | } | |
538 | my $pi = $side*(2**($iter+2)); | |
fdb7e2a2 NC |
539 | is("$side", '[/ [- [sqrt [+ 1 [** [/ [- [sqrt [+ 1 [** [n 1] 2]]] 1] [n 1]] 2]]] 1] [/ [- [sqrt [+ 1 [** [n 1] 2]]] 1] [n 1]]]'); |
540 | is((sprintf "%f", $pi), '3.182598'); | |
ee239bfe IZ |
541 | } |
542 | ||
543 | { | |
544 | my ($a, $b); | |
545 | symbolic->vars($a, $b); | |
546 | my $c = sqrt($a**2 + $b**2); | |
547 | $a = 3; $b = 4; | |
fdb7e2a2 | 548 | is((sprintf "%d", $c), '5'); |
ee239bfe | 549 | $a = 12; $b = 5; |
fdb7e2a2 | 550 | is((sprintf "%d", $c), '13'); |
ee239bfe IZ |
551 | } |
552 | ||
553 | { | |
554 | package symbolic1; # Primitive symbolic calculator | |
555 | # Mutator inc/dec | |
556 | use overload nomethod => \&wrap, '""' => \&str, '0+' => \&num, '=' => \&cpy; | |
557 | ||
558 | sub new { shift; bless ['n', @_] } | |
559 | sub cpy { | |
560 | my $self = shift; | |
561 | bless [@$self], ref $self; | |
562 | } | |
563 | sub wrap { | |
564 | my ($obj, $other, $inv, $meth) = @_; | |
565 | if ($meth eq '++' or $meth eq '--') { | |
566 | @$obj = ($meth, (bless [@$obj]), 1); # Avoid circular reference | |
567 | return $obj; | |
568 | } | |
569 | ($obj, $other) = ($other, $obj) if $inv; | |
570 | bless [$meth, $obj, $other]; | |
571 | } | |
572 | sub str { | |
573 | my ($meth, $a, $b) = @{+shift}; | |
574 | $a = 'u' unless defined $a; | |
575 | if (defined $b) { | |
576 | "[$meth $a $b]"; | |
577 | } else { | |
578 | "[$meth $a]"; | |
579 | } | |
580 | } | |
581 | my %subr = ( 'n' => sub {$_[0]} ); | |
582 | foreach my $op (split " ", $overload::ops{with_assign}) { | |
583 | $subr{$op} = $subr{"$op="} = eval "sub {shift() $op shift()}"; | |
584 | } | |
585 | my @bins = qw(binary 3way_comparison num_comparison str_comparison); | |
586 | foreach my $op (split " ", "@overload::ops{ @bins }") { | |
587 | $subr{$op} = eval "sub {shift() $op shift()}"; | |
588 | } | |
589 | foreach my $op (split " ", "@overload::ops{qw(unary func)}") { | |
590 | $subr{$op} = eval "sub {$op shift()}"; | |
591 | } | |
592 | $subr{'++'} = $subr{'+'}; | |
593 | $subr{'--'} = $subr{'-'}; | |
594 | ||
595 | sub num { | |
596 | my ($meth, $a, $b) = @{+shift}; | |
597 | my $subr = $subr{$meth} | |
598 | or die "Do not know how to ($meth) in symbolic"; | |
599 | $a = $a->num if ref $a eq __PACKAGE__; | |
600 | $b = $b->num if ref $b eq __PACKAGE__; | |
601 | $subr->($a,$b); | |
602 | } | |
603 | sub TIESCALAR { my $pack = shift; $pack->new(@_) } | |
604 | sub FETCH { shift } | |
605 | sub nop { } # Around a bug | |
606 | sub vars { my $p = shift; tie($_, $p), $_->nop foreach @_; } | |
607 | sub STORE { | |
608 | my $obj = shift; | |
609 | $#$obj = 1; | |
a1063b2d | 610 | $obj->[1] = shift; |
ee239bfe IZ |
611 | } |
612 | } | |
613 | ||
614 | { | |
615 | my $foo = new symbolic1 11; | |
616 | my $baz = $foo++; | |
fdb7e2a2 NC |
617 | is((sprintf "%d", $foo), '12'); |
618 | is((sprintf "%d", $baz), '11'); | |
ee239bfe IZ |
619 | my $bar = $foo; |
620 | $baz = ++$foo; | |
fdb7e2a2 NC |
621 | is((sprintf "%d", $foo), '13'); |
622 | is((sprintf "%d", $bar), '12'); | |
623 | is((sprintf "%d", $baz), '13'); | |
ee239bfe IZ |
624 | my $ban = $foo; |
625 | $baz = ($foo += 1); | |
fdb7e2a2 NC |
626 | is((sprintf "%d", $foo), '14'); |
627 | is((sprintf "%d", $bar), '12'); | |
628 | is((sprintf "%d", $baz), '14'); | |
629 | is((sprintf "%d", $ban), '13'); | |
ee239bfe IZ |
630 | $baz = 0; |
631 | $baz = $foo++; | |
fdb7e2a2 NC |
632 | is((sprintf "%d", $foo), '15'); |
633 | is((sprintf "%d", $baz), '14'); | |
634 | is("$foo", '[++ [+= [++ [++ [n 11] 1] 1] 1] 1]'); | |
ee239bfe IZ |
635 | } |
636 | ||
637 | { | |
638 | my $iter = new symbolic1 2; | |
639 | my $side = new symbolic1 1; | |
640 | my $cnt = $iter; | |
641 | ||
642 | while ($cnt) { | |
643 | $cnt = $cnt - 1; # The "simple" way | |
644 | $side = (sqrt(1 + $side**2) - 1)/$side; | |
645 | } | |
646 | my $pi = $side*(2**($iter+2)); | |
fdb7e2a2 NC |
647 | is("$side", '[/ [- [sqrt [+ 1 [** [/ [- [sqrt [+ 1 [** [n 1] 2]]] 1] [n 1]] 2]]] 1] [/ [- [sqrt [+ 1 [** [n 1] 2]]] 1] [n 1]]]'); |
648 | is((sprintf "%f", $pi), '3.182598'); | |
ee239bfe IZ |
649 | } |
650 | ||
651 | { | |
652 | my $iter = new symbolic1 2; | |
653 | my $side = new symbolic1 1; | |
654 | my $cnt = $iter; | |
655 | ||
656 | while ($cnt--) { | |
657 | $side = (sqrt(1 + $side**2) - 1)/$side; | |
658 | } | |
659 | my $pi = $side*(2**($iter+2)); | |
fdb7e2a2 NC |
660 | is("$side", '[/ [- [sqrt [+ 1 [** [/ [- [sqrt [+ 1 [** [n 1] 2]]] 1] [n 1]] 2]]] 1] [/ [- [sqrt [+ 1 [** [n 1] 2]]] 1] [n 1]]]'); |
661 | is((sprintf "%f", $pi), '3.182598'); | |
ee239bfe IZ |
662 | } |
663 | ||
664 | { | |
665 | my ($a, $b); | |
666 | symbolic1->vars($a, $b); | |
667 | my $c = sqrt($a**2 + $b**2); | |
668 | $a = 3; $b = 4; | |
fdb7e2a2 | 669 | is((sprintf "%d", $c), '5'); |
ee239bfe | 670 | $a = 12; $b = 5; |
fdb7e2a2 | 671 | is((sprintf "%d", $c), '13'); |
ee239bfe IZ |
672 | } |
673 | ||
674 | { | |
675 | package two_face; # Scalars with separate string and | |
676 | # numeric values. | |
677 | sub new { my $p = shift; bless [@_], $p } | |
678 | use overload '""' => \&str, '0+' => \&num, fallback => 1; | |
679 | sub num {shift->[1]} | |
680 | sub str {shift->[0]} | |
681 | } | |
682 | ||
683 | { | |
684 | my $seven = new two_face ("vii", 7); | |
fdb7e2a2 | 685 | is((sprintf "seven=$seven, seven=%d, eight=%d", $seven, $seven+1), |
ee239bfe | 686 | 'seven=vii, seven=7, eight=8'); |
fdb7e2a2 | 687 | is(scalar ($seven =~ /i/), '1'); |
ee239bfe | 688 | } |
b3ac6de7 | 689 | |
d0ecd44c IZ |
690 | { |
691 | package sorting; | |
692 | use overload 'cmp' => \∁ | |
693 | sub new { my ($p, $v) = @_; bless \$v, $p } | |
694 | sub comp { my ($x,$y) = @_; ($$x * 3 % 10) <=> ($$y * 3 % 10) or $$x cmp $$y } | |
695 | } | |
696 | { | |
697 | my @arr = map sorting->new($_), 0..12; | |
698 | my @sorted1 = sort @arr; | |
699 | my @sorted2 = map $$_, @sorted1; | |
7bf00c86 | 700 | is("@sorted2", '0 10 7 4 1 11 8 5 12 2 9 6 3'); |
d0ecd44c | 701 | } |
f5284f61 IZ |
702 | { |
703 | package iterator; | |
704 | use overload '<>' => \&iter; | |
705 | sub new { my ($p, $v) = @_; bless \$v, $p } | |
706 | sub iter { my ($x) = @_; return undef if $$x < 0; return $$x--; } | |
707 | } | |
72b16652 GS |
708 | |
709 | # XXX iterator overload not intended to work with CORE::GLOBAL? | |
710 | if (defined &CORE::GLOBAL::glob) { | |
7bf00c86 NC |
711 | is('1', '1'); |
712 | is('1', '1'); | |
713 | is('1', '1'); | |
72b16652 GS |
714 | } |
715 | else { | |
f5284f61 IZ |
716 | my $iter = iterator->new(5); |
717 | my $acc = ''; | |
718 | my $out; | |
719 | $acc .= " $out" while $out = <${iter}>; | |
7bf00c86 | 720 | is($acc, ' 5 4 3 2 1 0'); |
f5284f61 | 721 | $iter = iterator->new(5); |
7bf00c86 | 722 | is(scalar <${iter}>, '5'); |
f5284f61 | 723 | $acc = ''; |
b04ef359 | 724 | $acc .= " $out" while $out = <$iter>; |
7bf00c86 | 725 | is($acc, ' 4 3 2 1 0'); |
f5284f61 IZ |
726 | } |
727 | { | |
728 | package deref; | |
729 | use overload '%{}' => \&hderef, '&{}' => \&cderef, | |
730 | '*{}' => \&gderef, '${}' => \&sderef, '@{}' => \&aderef; | |
731 | sub new { my ($p, $v) = @_; bless \$v, $p } | |
732 | sub deref { | |
733 | my ($self, $key) = (shift, shift); | |
734 | my $class = ref $self; | |
735 | bless $self, 'deref::dummy'; # Disable overloading of %{} | |
736 | my $out = $self->{$key}; | |
737 | bless $self, $class; # Restore overloading | |
738 | $out; | |
739 | } | |
740 | sub hderef {shift->deref('h')} | |
741 | sub aderef {shift->deref('a')} | |
742 | sub cderef {shift->deref('c')} | |
743 | sub gderef {shift->deref('g')} | |
744 | sub sderef {shift->deref('s')} | |
745 | } | |
746 | { | |
747 | my $deref = bless { h => { foo => 5 , fake => 23 }, | |
748 | c => sub {return shift() + 34}, | |
749 | 's' => \123, | |
750 | a => [11..13], | |
751 | g => \*srt, | |
752 | }, 'deref'; | |
753 | # Hash: | |
754 | my @cont = sort %$deref; | |
b0bf6df7 | 755 | if ("\t" eq "\011") { # ASCII |
7bf00c86 | 756 | is("@cont", '23 5 fake foo'); |
f70c35af | 757 | } |
b0bf6df7 | 758 | else { # EBCDIC alpha-numeric sort order |
7bf00c86 | 759 | is("@cont", 'fake foo 23 5'); |
f70c35af | 760 | } |
f5284f61 | 761 | my @keys = sort keys %$deref; |
7bf00c86 | 762 | is("@keys", 'fake foo'); |
f5284f61 | 763 | my @val = sort values %$deref; |
7bf00c86 NC |
764 | is("@val", '23 5'); |
765 | is($deref->{foo}, 5); | |
766 | is(defined $deref->{bar}, ''); | |
f5284f61 IZ |
767 | my $key; |
768 | @keys = (); | |
769 | push @keys, $key while $key = each %$deref; | |
770 | @keys = sort @keys; | |
7bf00c86 NC |
771 | is("@keys", 'fake foo'); |
772 | is(exists $deref->{bar}, ''); | |
773 | is(exists $deref->{foo}, 1); | |
f5284f61 | 774 | # Code: |
7bf00c86 NC |
775 | is($deref->(5), 39); |
776 | is(&$deref(6), 40); | |
f5284f61 | 777 | sub xxx_goto { goto &$deref } |
7bf00c86 | 778 | is(xxx_goto(7), 41); |
f5284f61 IZ |
779 | my $srt = bless { c => sub {$b <=> $a} |
780 | }, 'deref'; | |
781 | *srt = \&$srt; | |
782 | my @sorted = sort srt 11, 2, 5, 1, 22; | |
7bf00c86 | 783 | is("@sorted", '22 11 5 2 1'); |
f5284f61 | 784 | # Scalar |
7bf00c86 | 785 | is($$deref, 123); |
c6e96bcb GS |
786 | # Code |
787 | @sorted = sort $srt 11, 2, 5, 1, 22; | |
7bf00c86 | 788 | is("@sorted", '22 11 5 2 1'); |
f5284f61 | 789 | # Array |
7bf00c86 NC |
790 | is("@$deref", '11 12 13'); |
791 | is($#$deref, '2'); | |
f5284f61 | 792 | my $l = @$deref; |
7bf00c86 NC |
793 | is($l, 3); |
794 | is($deref->[2], '13'); | |
f5284f61 | 795 | $l = pop @$deref; |
7bf00c86 | 796 | is($l, 13); |
f5284f61 | 797 | $l = 1; |
7bf00c86 | 798 | is($deref->[$l], '12'); |
f5284f61 IZ |
799 | # Repeated dereference |
800 | my $double = bless { h => $deref, | |
801 | }, 'deref'; | |
7bf00c86 | 802 | is($double->{foo}, 5); |
f5284f61 IZ |
803 | } |
804 | ||
805 | { | |
806 | package two_refs; | |
807 | use overload '%{}' => \&gethash, '@{}' => sub { ${shift()} }; | |
808 | sub new { | |
809 | my $p = shift; | |
810 | bless \ [@_], $p; | |
811 | } | |
812 | sub gethash { | |
813 | my %h; | |
814 | my $self = shift; | |
815 | tie %h, ref $self, $self; | |
816 | \%h; | |
817 | } | |
818 | ||
819 | sub TIEHASH { my $p = shift; bless \ shift, $p } | |
820 | my %fields; | |
821 | my $i = 0; | |
822 | $fields{$_} = $i++ foreach qw{zero one two three}; | |
823 | sub STORE { | |
824 | my $self = ${shift()}; | |
825 | my $key = $fields{shift()}; | |
826 | defined $key or die "Out of band access"; | |
827 | $$self->[$key] = shift; | |
828 | } | |
829 | sub FETCH { | |
830 | my $self = ${shift()}; | |
831 | my $key = $fields{shift()}; | |
832 | defined $key or die "Out of band access"; | |
833 | $$self->[$key]; | |
834 | } | |
835 | } | |
836 | ||
837 | my $bar = new two_refs 3,4,5,6; | |
838 | $bar->[2] = 11; | |
7bf00c86 | 839 | is($bar->{two}, 11); |
f5284f61 | 840 | $bar->{three} = 13; |
7bf00c86 | 841 | is($bar->[3], 13); |
f5284f61 IZ |
842 | |
843 | { | |
844 | package two_refs_o; | |
845 | @ISA = ('two_refs'); | |
846 | } | |
847 | ||
848 | $bar = new two_refs_o 3,4,5,6; | |
849 | $bar->[2] = 11; | |
7bf00c86 | 850 | is($bar->{two}, 11); |
f5284f61 | 851 | $bar->{three} = 13; |
7bf00c86 | 852 | is($bar->[3], 13); |
f5284f61 IZ |
853 | |
854 | { | |
855 | package two_refs1; | |
856 | use overload '%{}' => sub { ${shift()}->[1] }, | |
857 | '@{}' => sub { ${shift()}->[0] }; | |
858 | sub new { | |
859 | my $p = shift; | |
860 | my $a = [@_]; | |
861 | my %h; | |
862 | tie %h, $p, $a; | |
863 | bless \ [$a, \%h], $p; | |
864 | } | |
865 | sub gethash { | |
866 | my %h; | |
867 | my $self = shift; | |
868 | tie %h, ref $self, $self; | |
869 | \%h; | |
870 | } | |
871 | ||
872 | sub TIEHASH { my $p = shift; bless \ shift, $p } | |
873 | my %fields; | |
874 | my $i = 0; | |
875 | $fields{$_} = $i++ foreach qw{zero one two three}; | |
876 | sub STORE { | |
877 | my $a = ${shift()}; | |
878 | my $key = $fields{shift()}; | |
879 | defined $key or die "Out of band access"; | |
880 | $a->[$key] = shift; | |
881 | } | |
882 | sub FETCH { | |
883 | my $a = ${shift()}; | |
884 | my $key = $fields{shift()}; | |
885 | defined $key or die "Out of band access"; | |
886 | $a->[$key]; | |
887 | } | |
888 | } | |
889 | ||
890 | $bar = new two_refs_o 3,4,5,6; | |
891 | $bar->[2] = 11; | |
7bf00c86 | 892 | is($bar->{two}, 11); |
f5284f61 | 893 | $bar->{three} = 13; |
7bf00c86 | 894 | is($bar->[3], 13); |
f5284f61 IZ |
895 | |
896 | { | |
897 | package two_refs1_o; | |
898 | @ISA = ('two_refs1'); | |
899 | } | |
900 | ||
901 | $bar = new two_refs1_o 3,4,5,6; | |
902 | $bar->[2] = 11; | |
7bf00c86 | 903 | is($bar->{two}, 11); |
f5284f61 | 904 | $bar->{three} = 13; |
7bf00c86 | 905 | is($bar->[3], 13); |
f5284f61 | 906 | |
fe7ac86a IZ |
907 | { |
908 | package B; | |
909 | use overload bool => sub { ${+shift} }; | |
910 | } | |
911 | ||
912 | my $aaa; | |
913 | { my $bbbb = 0; $aaa = bless \$bbbb, B } | |
914 | ||
7bf00c86 | 915 | is !$aaa, 1; |
fe7ac86a IZ |
916 | |
917 | unless ($aaa) { | |
7bf00c86 | 918 | pass(); |
fe7ac86a | 919 | } else { |
7bf00c86 | 920 | fail(); |
fe7ac86a IZ |
921 | } |
922 | ||
1426bbf4 MG |
923 | # check that overload isn't done twice by join |
924 | { my $c = 0; | |
925 | package Join; | |
926 | use overload '""' => sub { $c++ }; | |
927 | my $x = join '', bless([]), 'pq', bless([]); | |
7bf00c86 | 928 | main::is $x, '0pq1'; |
1426bbf4 | 929 | }; |
fe7ac86a | 930 | |
4498a751 PM |
931 | # Test module-specific warning |
932 | { | |
933 | # check the Odd number of arguments for overload::constant warning | |
934 | my $a = "" ; | |
0a911d86 | 935 | local $SIG{__WARN__} = sub {$a = $_[0]} ; |
4498a751 | 936 | $x = eval ' overload::constant "integer" ; ' ; |
7bf00c86 | 937 | is($a, ""); |
4498a751 PM |
938 | use warnings 'overload' ; |
939 | $x = eval ' overload::constant "integer" ; ' ; | |
7bf00c86 | 940 | like($a, qr/^Odd number of arguments for overload::constant at/); |
4498a751 PM |
941 | } |
942 | ||
943 | { | |
944 | # check the `$_[0]' is not an overloadable type warning | |
945 | my $a = "" ; | |
0a911d86 | 946 | local $SIG{__WARN__} = sub {$a = $_[0]} ; |
4498a751 | 947 | $x = eval ' overload::constant "fred" => sub {} ; ' ; |
7bf00c86 | 948 | is($a, ""); |
4498a751 PM |
949 | use warnings 'overload' ; |
950 | $x = eval ' overload::constant "fred" => sub {} ; ' ; | |
7bf00c86 | 951 | like($a, qr/^`fred' is not an overloadable type at/); |
4498a751 PM |
952 | } |
953 | ||
954 | { | |
955 | # check the `$_[1]' is not a code reference warning | |
956 | my $a = "" ; | |
0a911d86 | 957 | local $SIG{__WARN__} = sub {$a = $_[0]} ; |
4498a751 | 958 | $x = eval ' overload::constant "integer" => 1; ' ; |
7bf00c86 | 959 | is($a, ""); |
4498a751 PM |
960 | use warnings 'overload' ; |
961 | $x = eval ' overload::constant "integer" => 1; ' ; | |
7bf00c86 | 962 | like($a, qr/^`1' is not a code reference at/); |
4498a751 PM |
963 | } |
964 | ||
78f67eb5 JH |
965 | { |
966 | my $c = 0; | |
967 | package ov_int1; | |
968 | use overload '""' => sub { 3+shift->[0] }, | |
969 | '0+' => sub { 10+shift->[0] }, | |
970 | 'int' => sub { 100+shift->[0] }; | |
971 | sub new {my $p = shift; bless [shift], $p} | |
972 | ||
973 | package ov_int2; | |
974 | use overload '""' => sub { 5+shift->[0] }, | |
975 | '0+' => sub { 30+shift->[0] }, | |
976 | 'int' => sub { 'ov_int1'->new(1000+shift->[0]) }; | |
977 | sub new {my $p = shift; bless [shift], $p} | |
978 | ||
979 | package noov_int; | |
980 | use overload '""' => sub { 2+shift->[0] }, | |
981 | '0+' => sub { 9+shift->[0] }; | |
982 | sub new {my $p = shift; bless [shift], $p} | |
983 | ||
984 | package main; | |
985 | ||
986 | my $x = new noov_int 11; | |
987 | my $int_x = int $x; | |
7bf00c86 | 988 | main::is("$int_x", 20); |
78f67eb5 JH |
989 | $x = new ov_int1 31; |
990 | $int_x = int $x; | |
7bf00c86 | 991 | main::is("$int_x", 131); |
78f67eb5 JH |
992 | $x = new ov_int2 51; |
993 | $int_x = int $x; | |
7bf00c86 | 994 | main::is("$int_x", 1054); |
78f67eb5 JH |
995 | } |
996 | ||
b0bf6df7 | 997 | # make sure that we don't infinitely recurse |
1554e226 DC |
998 | { |
999 | my $c = 0; | |
1000 | package Recurse; | |
1001 | use overload '""' => sub { shift }, | |
1002 | '0+' => sub { shift }, | |
1003 | 'bool' => sub { shift }, | |
1004 | fallback => 1; | |
1005 | my $x = bless([]); | |
7bf00c86 NC |
1006 | # For some reason beyond me these have to be oks rather than likes. |
1007 | main::ok("$x" =~ /Recurse=ARRAY/); | |
1008 | main::ok($x); | |
1009 | main::ok($x+0 =~ qr/Recurse=ARRAY/); | |
11e3e2e4 | 1010 | } |
78f67eb5 | 1011 | |
1dc13c17 SC |
1012 | # BugID 20010422.003 |
1013 | package Foo; | |
1014 | ||
1015 | use overload | |
1016 | 'bool' => sub { return !$_[0]->is_zero() || undef; } | |
1017 | ; | |
1018 | ||
1019 | sub is_zero | |
1020 | { | |
1021 | my $self = shift; | |
1022 | return $self->{var} == 0; | |
1023 | } | |
1024 | ||
1025 | sub new | |
1026 | { | |
1027 | my $class = shift; | |
1028 | my $self = {}; | |
1029 | $self->{var} = shift; | |
1030 | bless $self,$class; | |
1031 | } | |
1032 | ||
1033 | package main; | |
1034 | ||
1035 | use strict; | |
1036 | ||
1037 | my $r = Foo->new(8); | |
1038 | $r = Foo->new(0); | |
78f67eb5 | 1039 | |
11e3e2e4 | 1040 | is(($r || 0), 0); |
1554e226 | 1041 | |
6050d10e JP |
1042 | package utf8_o; |
1043 | ||
1044 | use overload | |
1045 | '""' => sub { return $_[0]->{var}; } | |
1046 | ; | |
1047 | ||
1048 | sub new | |
1049 | { | |
1050 | my $class = shift; | |
1051 | my $self = {}; | |
1052 | $self->{var} = shift; | |
1053 | bless $self,$class; | |
1054 | } | |
1055 | ||
1056 | package main; | |
1057 | ||
1058 | ||
1059 | my $utfvar = new utf8_o 200.2.1; | |
11e3e2e4 NC |
1060 | is("$utfvar", 200.2.1); # 223 - stringify |
1061 | is("a$utfvar", "a".200.2.1); # 224 - overload via sv_2pv_flags | |
6050d10e | 1062 | |
446eaa42 | 1063 | # 225..227 -- more %{} tests. Hangs in 5.6.0, okay in later releases. |
41cb1005 JH |
1064 | # Basically this example implements strong encapsulation: if Hderef::import() |
1065 | # were to eval the overload code in the caller's namespace, the privatisation | |
1066 | # would be quite transparent. | |
1067 | package Hderef; | |
1068 | use overload '%{}' => sub { (caller(0))[0] eq 'Foo' ? $_[0] : die "zap" }; | |
1069 | package Foo; | |
1070 | @Foo::ISA = 'Hderef'; | |
1071 | sub new { bless {}, shift } | |
1072 | sub xet { @_ == 2 ? $_[0]->{$_[1]} : | |
1073 | @_ == 3 ? ($_[0]->{$_[1]} = $_[2]) : undef } | |
1074 | package main; | |
1075 | my $a = Foo->new; | |
1076 | $a->xet('b', 42); | |
11e3e2e4 NC |
1077 | is ($a->xet('b'), 42); |
1078 | ok (!defined eval { $a->{b} }); | |
1079 | like ($@, qr/zap/); | |
41cb1005 | 1080 | |
29ddfe35 RD |
1081 | { |
1082 | package t229; | |
1083 | use overload '=' => sub { 42 }, | |
1084 | '++' => sub { my $x = ${$_[0]}; $_[0] }; | |
1085 | sub new { my $x = 42; bless \$x } | |
1086 | ||
1087 | my $warn; | |
1088 | { | |
1089 | local $SIG{__WARN__} = sub { $warn++ }; | |
1090 | my $x = t229->new; | |
1091 | my $y = $x; | |
1092 | eval { $y++ }; | |
1093 | } | |
11e3e2e4 | 1094 | main::ok (!$warn); |
61f33854 RGS |
1095 | } |
1096 | ||
1097 | { | |
1098 | my ($int, $out1, $out2); | |
1099 | { | |
1100 | BEGIN { $int = 0; overload::constant 'integer' => sub {$int++; 17}; } | |
1101 | $out1 = 0; | |
1102 | $out2 = 1; | |
1103 | } | |
11e3e2e4 NC |
1104 | is($int, 2, "#24313"); # 230 |
1105 | is($out1, 17, "#24313"); # 231 | |
1106 | is($out2, 17, "#24313"); # 232 | |
29ddfe35 RD |
1107 | } |
1108 | ||
0bdaccee NC |
1109 | { |
1110 | package Numify; | |
1111 | use overload (qw(0+ numify fallback 1)); | |
1112 | ||
1113 | sub new { | |
1114 | my $val = $_[1]; | |
1115 | bless \$val, $_[0]; | |
1116 | } | |
1117 | ||
1118 | sub numify { ${$_[0]} } | |
1119 | } | |
1120 | ||
d411a6a9 RD |
1121 | { |
1122 | package perl31793; | |
1b1d102f RD |
1123 | use overload cmp => sub { 0 }; |
1124 | package perl31793_fb; | |
76c43448 | 1125 | use overload cmp => sub { 0 }, fallback => 1; |
d411a6a9 RD |
1126 | package main; |
1127 | my $o = bless [], 'perl31793'; | |
1b1d102f | 1128 | my $of = bless [], 'perl31793_fb'; |
d411a6a9 | 1129 | my $no = bless [], 'no_overload'; |
11e3e2e4 NC |
1130 | like(overload::StrVal(\"scalar"), qr/^SCALAR\(0x[0-9a-f]+\)$/); |
1131 | like(overload::StrVal([]), qr/^ARRAY\(0x[0-9a-f]+\)$/); | |
1132 | like(overload::StrVal({}), qr/^HASH\(0x[0-9a-f]+\)$/); | |
1133 | like(overload::StrVal(sub{1}), qr/^CODE\(0x[0-9a-f]+\)$/); | |
1134 | like(overload::StrVal(\*GLOB), qr/^GLOB\(0x[0-9a-f]+\)$/); | |
1135 | like(overload::StrVal(\$o), qr/^REF\(0x[0-9a-f]+\)$/); | |
0fc92fc6 | 1136 | like(overload::StrVal(qr/a/), qr/^Regexp=REGEXP\(0x[0-9a-f]+\)$/); |
11e3e2e4 NC |
1137 | like(overload::StrVal($o), qr/^perl31793=ARRAY\(0x[0-9a-f]+\)$/); |
1138 | like(overload::StrVal($of), qr/^perl31793_fb=ARRAY\(0x[0-9a-f]+\)$/); | |
1139 | like(overload::StrVal($no), qr/^no_overload=ARRAY\(0x[0-9a-f]+\)$/); | |
d411a6a9 RD |
1140 | } |
1141 | ||
b0bf6df7 | 1142 | # These are all check that overloaded values rather than reference addresses |
0bdaccee NC |
1143 | # are what is getting tested. |
1144 | my ($two, $one, $un, $deux) = map {new Numify $_} 2, 1, 1, 2; | |
1145 | my ($ein, $zwei) = (1, 2); | |
1146 | ||
1147 | my %map = (one => 1, un => 1, ein => 1, deux => 2, two => 2, zwei => 2); | |
1148 | foreach my $op (qw(<=> == != < <= > >=)) { | |
1149 | foreach my $l (keys %map) { | |
1150 | foreach my $r (keys %map) { | |
1151 | my $ocode = "\$$l $op \$$r"; | |
1152 | my $rcode = "$map{$l} $op $map{$r}"; | |
1153 | ||
1154 | my $got = eval $ocode; | |
1155 | die if $@; | |
1156 | my $expect = eval $rcode; | |
1157 | die if $@; | |
11e3e2e4 | 1158 | is ($got, $expect, $ocode) or print "# $rcode\n"; |
0bdaccee NC |
1159 | } |
1160 | } | |
1161 | } | |
131b3ad0 DM |
1162 | { |
1163 | # check that overloading works in regexes | |
1164 | { | |
1165 | package Foo493; | |
1166 | use overload | |
1167 | '""' => sub { "^$_[0][0]\$" }, | |
1168 | '.' => sub { | |
1169 | bless [ | |
1170 | $_[2] | |
1171 | ? (ref $_[1] ? $_[1][0] : $_[1]) . ':' .$_[0][0] | |
1172 | : $_[0][0] . ':' . (ref $_[1] ? $_[1][0] : $_[1]) | |
1173 | ], 'Foo493' | |
1174 | }; | |
1175 | } | |
1176 | ||
1177 | my $a = bless [ "a" ], 'Foo493'; | |
11e3e2e4 NC |
1178 | like('a', qr/$a/); |
1179 | like('x:a', qr/x$a/); | |
1180 | like('x:a:=', qr/x$a=$/); | |
1181 | like('x:a:a:=', qr/x$a$a=$/); | |
131b3ad0 DM |
1182 | |
1183 | } | |
1184 | ||
705c898c | 1185 | { |
d4b87e75 BM |
1186 | { |
1187 | package QRonly; | |
1188 | use overload qr => sub { qr/x/ }, fallback => 1; | |
1189 | } | |
1190 | { | |
1191 | my $x = bless [], "QRonly"; | |
1192 | ||
1193 | # like tries to be too clever, and decides that $x-stringified | |
1194 | # doesn't look like a regex | |
1195 | ok("x" =~ $x, "qr-only matches"); | |
e4eea578 | 1196 | ok("y" !~ $x, "qr-only doesn't match what it shouldn't"); |
d4b87e75 | 1197 | ok("xx" =~ /x$x/, "qr-only matches with concat"); |
e4eea578 | 1198 | like("$x", qr/^QRonly=ARRAY/, "qr-only doesn't have string overload"); |
d4b87e75 BM |
1199 | |
1200 | my $qr = bless qr/y/, "QRonly"; | |
1201 | ok("x" =~ $qr, "qr with qr-overload uses overload"); | |
e4eea578 | 1202 | ok("y" !~ $qr, "qr with qr-overload uses overload"); |
d4b87e75 BM |
1203 | is("$qr", "".qr/y/, "qr with qr-overload stringify"); |
1204 | ||
1205 | my $rx = $$qr; | |
1206 | ok("y" =~ $rx, "bare rx with qr-overload doesn't overload match"); | |
e4eea578 | 1207 | ok("x" !~ $rx, "bare rx with qr-overload doesn't overload match"); |
d4b87e75 BM |
1208 | is("$rx", "".qr/y/, "bare rx with qr-overload stringify"); |
1209 | } | |
1210 | { | |
1211 | package QRandSTR; | |
1212 | use overload qr => sub { qr/x/ }, q/""/ => sub { "y" }; | |
1213 | } | |
1214 | { | |
1215 | my $x = bless [], "QRandSTR"; | |
1216 | ok("x" =~ $x, "qr+str uses qr for match"); | |
e4eea578 | 1217 | ok("y" !~ $x, "qr+str uses qr for match"); |
d4b87e75 BM |
1218 | ok("xx" =~ /x$x/, "qr+str uses qr for match with concat"); |
1219 | is("$x", "y", "qr+str uses str for stringify"); | |
1220 | ||
1221 | my $qr = bless qr/z/, "QRandSTR"; | |
1222 | is("$qr", "y", "qr with qr+str uses str for stringify"); | |
1223 | ok("xx" =~ /x$x/, "qr with qr+str uses qr for match"); | |
1224 | ||
1225 | my $rx = $$qr; | |
1226 | ok("z" =~ $rx, "bare rx with qr+str doesn't overload match"); | |
1227 | is("$rx", "".qr/z/, "bare rx with qr+str doesn't overload stringify"); | |
1228 | } | |
1229 | { | |
1230 | package QRany; | |
1231 | use overload qr => sub { $_[0]->(@_) }; | |
1232 | ||
1233 | package QRself; | |
1234 | use overload qr => sub { $_[0] }; | |
1235 | } | |
1236 | { | |
1237 | my $rx = bless sub { ${ qr/x/ } }, "QRany"; | |
e4eea578 RGS |
1238 | ok("x" =~ $rx, "qr overload accepts a bare rx"); |
1239 | ok("y" !~ $rx, "qr overload accepts a bare rx"); | |
d4b87e75 BM |
1240 | |
1241 | my $str = bless sub { "x" }, "QRany"; | |
1242 | ok(!eval { "x" =~ $str }, "qr overload doesn't accept a string"); | |
e4eea578 | 1243 | like($@, qr/^Overloaded qr did not return a REGEXP/, "correct error"); |
d4b87e75 BM |
1244 | |
1245 | my $oqr = bless qr/z/, "QRandSTR"; | |
1246 | my $oqro = bless sub { $oqr }, "QRany"; | |
e4eea578 | 1247 | ok("z" =~ $oqro, "qr overload doesn't recurse"); |
d4b87e75 BM |
1248 | |
1249 | my $qrs = bless qr/z/, "QRself"; | |
e4eea578 | 1250 | ok("z" =~ $qrs, "qr overload can return self"); |
d4b87e75 BM |
1251 | } |
1252 | { | |
1253 | package STRonly; | |
1254 | use overload q/""/ => sub { "x" }; | |
1255 | ||
1256 | package STRonlyFB; | |
1257 | use overload q/""/ => sub { "x" }, fallback => 1; | |
1258 | } | |
1259 | { | |
1260 | my $fb = bless [], "STRonlyFB"; | |
e4eea578 RGS |
1261 | ok("x" =~ $fb, "qr falls back to \"\""); |
1262 | ok("y" !~ $fb, "qr falls back to \"\""); | |
d4b87e75 BM |
1263 | |
1264 | my $nofb = bless [], "STRonly"; | |
e4eea578 RGS |
1265 | ok("x" =~ $nofb, "qr falls back even without fallback"); |
1266 | ok("y" !~ $nofb, "qr falls back even without fallback"); | |
d4b87e75 BM |
1267 | } |
1268 | } | |
1269 | ||
1270 | { | |
705c898c RH |
1271 | my $twenty_three = 23; |
1272 | # Check that constant overloading propagates into evals | |
1273 | BEGIN { overload::constant integer => sub { 23 } } | |
11e3e2e4 | 1274 | is(eval "17", $twenty_three); |
705c898c | 1275 | } |
dd2eae66 NC |
1276 | |
1277 | { | |
1278 | package Sklorsh; | |
1279 | use overload | |
1280 | bool => sub { shift->is_cool }; | |
1281 | ||
1282 | sub is_cool { | |
1283 | $_[0]->{name} eq 'cool'; | |
1284 | } | |
1285 | ||
1286 | sub delete { | |
1287 | undef %{$_[0]}; | |
1288 | bless $_[0], 'Brap'; | |
1289 | return 1; | |
1290 | } | |
1291 | ||
1292 | sub delete_with_self { | |
1293 | my $self = shift; | |
1294 | undef %$self; | |
1295 | bless $self, 'Brap'; | |
1296 | return 1; | |
1297 | } | |
1298 | ||
1299 | package Brap; | |
1300 | ||
1301 | 1; | |
1302 | ||
1303 | package main; | |
1304 | ||
1305 | my $obj; | |
1306 | $obj = bless {name => 'cool'}, 'Sklorsh'; | |
1307 | $obj->delete; | |
b0bf6df7 | 1308 | ok(eval {if ($obj) {1}; 1}, $@ || 'reblessed into nonexistent namespace'); |
dd2eae66 NC |
1309 | |
1310 | $obj = bless {name => 'cool'}, 'Sklorsh'; | |
1311 | $obj->delete_with_self; | |
1312 | ok (eval {if ($obj) {1}; 1}, $@); | |
1313 | ||
1314 | my $a = $b = {name => 'hot'}; | |
1315 | bless $b, 'Sklorsh'; | |
1316 | is(ref $a, 'Sklorsh'); | |
1317 | is(ref $b, 'Sklorsh'); | |
1318 | ok(!$b, "Expect overloaded boolean"); | |
1319 | ok(!$a, "Expect overloaded boolean"); | |
1320 | } | |
edbe35ea VP |
1321 | |
1322 | { | |
1323 | package Flrbbbbb; | |
1324 | use overload | |
1325 | bool => sub { shift->{truth} eq 'yes' }, | |
1326 | '0+' => sub { shift->{truth} eq 'yes' ? '1' : '0' }, | |
1327 | '!' => sub { shift->{truth} eq 'no' }, | |
1328 | fallback => 1; | |
1329 | ||
1330 | sub new { my $class = shift; bless { truth => shift }, $class } | |
1331 | ||
1332 | package main; | |
1333 | ||
1334 | my $yes = Flrbbbbb->new('yes'); | |
1335 | my $x; | |
1336 | $x = 1 if $yes; is($x, 1); | |
1337 | $x = 2 unless $yes; is($x, 1); | |
1338 | $x = 3 if !$yes; is($x, 1); | |
1339 | $x = 4 unless !$yes; is($x, 4); | |
1340 | ||
1341 | my $no = Flrbbbbb->new('no'); | |
1342 | $x = 0; | |
1343 | $x = 1 if $no; is($x, 0); | |
1344 | $x = 2 unless $no; is($x, 2); | |
1345 | $x = 3 if !$no; is($x, 3); | |
1346 | $x = 4 unless !$no; is($x, 3); | |
1347 | ||
1348 | $x = 0; | |
1349 | $x = 1 if !$no && $yes; is($x, 1); | |
1350 | $x = 2 unless !$no && $yes; is($x, 1); | |
1351 | $x = 3 if $no || !$yes; is($x, 1); | |
1352 | $x = 4 unless $no || !$yes; is($x, 4); | |
1353 | ||
1354 | $x = 0; | |
1355 | $x = 1 if !$no || !$yes; is($x, 1); | |
1356 | $x = 2 unless !$no || !$yes; is($x, 1); | |
1357 | $x = 3 if !$no && !$yes; is($x, 1); | |
1358 | $x = 4 unless !$no && !$yes; is($x, 4); | |
1359 | } | |
1360 | ||
2372186a NC |
1361 | { |
1362 | use Scalar::Util 'weaken'; | |
1363 | ||
1364 | package Shklitza; | |
1365 | use overload '""' => sub {"CLiK KLAK"}; | |
1366 | ||
1367 | package Ksshfwoom; | |
2372186a NC |
1368 | |
1369 | package main; | |
1370 | ||
1371 | my ($obj, $ref); | |
1372 | $obj = bless do {my $a; \$a}, 'Shklitza'; | |
1373 | $ref = $obj; | |
1374 | ||
1375 | is ($obj, "CLiK KLAK"); | |
1376 | is ($ref, "CLiK KLAK"); | |
1377 | ||
1378 | weaken $ref; | |
1379 | is ($ref, "CLiK KLAK"); | |
1380 | ||
1381 | bless $obj, 'Ksshfwoom'; | |
1382 | ||
cd75d542 NC |
1383 | like ($obj, qr/^Ksshfwoom=/); |
1384 | like ($ref, qr/^Ksshfwoom=/); | |
2372186a NC |
1385 | |
1386 | undef $obj; | |
1387 | is ($ref, undef); | |
1388 | } | |
6dd85743 AF |
1389 | |
1390 | { | |
1391 | package bit; | |
1392 | # bit operations have overloadable assignment variants too | |
1393 | ||
1394 | sub new { bless \$_[1], $_[0] } | |
1395 | ||
1396 | use overload | |
1397 | "&=" => sub { bit->new($_[0]->val . ' & ' . $_[1]->val) }, | |
1398 | "^=" => sub { bit->new($_[0]->val . ' ^ ' . $_[1]->val) }, | |
1399 | "|" => sub { bit->new($_[0]->val . ' | ' . $_[1]->val) }, # |= by fallback | |
1400 | ; | |
1401 | ||
1402 | sub val { ${$_[0]} } | |
1403 | ||
1404 | package main; | |
1405 | ||
1406 | my $a = bit->new(my $va = 'a'); | |
1407 | my $b = bit->new(my $vb = 'b'); | |
1408 | ||
1409 | $a &= $b; | |
1410 | is($a->val, 'a & b', "overloaded &= works"); | |
1411 | ||
1412 | my $c = bit->new(my $vc = 'c'); | |
1413 | ||
1414 | $b ^= $c; | |
1415 | is($b->val, 'b ^ c', "overloaded ^= works"); | |
1416 | ||
1417 | my $d = bit->new(my $vd = 'd'); | |
1418 | ||
1419 | $c |= $d; | |
1420 | is($c->val, 'c | d', "overloaded |= (by fallback) works"); | |
1421 | } | |
d11ee47c RD |
1422 | |
1423 | { | |
2ab54efd | 1424 | # comparison operators with nomethod (bug 41546) |
d11ee47c RD |
1425 | my $warning = ""; |
1426 | my $method; | |
1427 | ||
1428 | package nomethod_false; | |
1429 | use overload nomethod => sub { $method = 'nomethod'; 0 }; | |
1430 | ||
1431 | package nomethod_true; | |
1432 | use overload nomethod => sub { $method= 'nomethod'; 'true' }; | |
1433 | ||
1434 | package main; | |
1435 | local $^W = 1; | |
1436 | local $SIG{__WARN__} = sub { $warning = $_[0] }; | |
1437 | ||
1438 | my $f = bless [], 'nomethod_false'; | |
1439 | ($warning, $method) = ("", ""); | |
1440 | is($f eq 'whatever', 0, 'nomethod makes eq return 0'); | |
1441 | is($method, 'nomethod'); | |
1442 | ||
1443 | my $t = bless [], 'nomethod_true'; | |
1444 | ($warning, $method) = ("", ""); | |
1445 | is($t eq 'whatever', 'true', 'nomethod makes eq return "true"'); | |
1446 | is($method, 'nomethod'); | |
1447 | is($warning, "", 'nomethod eq need not return number'); | |
1448 | ||
1449 | eval q{ | |
1450 | package nomethod_false; | |
1451 | use overload cmp => sub { $method = 'cmp'; 0 }; | |
1452 | }; | |
1453 | $f = bless [], 'nomethod_false'; | |
1454 | ($warning, $method) = ("", ""); | |
1455 | ok($f eq 'whatever', 'eq falls back to cmp (nomethod not called)'); | |
1456 | is($method, 'cmp'); | |
1457 | ||
1458 | eval q{ | |
1459 | package nomethod_true; | |
1460 | use overload cmp => sub { $method = 'cmp'; 'true' }; | |
1461 | }; | |
1462 | $t = bless [], 'nomethod_true'; | |
1463 | ($warning, $method) = ("", ""); | |
1464 | ok($t eq 'whatever', 'eq falls back to cmp (nomethod not called)'); | |
1465 | is($method, 'cmp'); | |
1466 | like($warning, qr/isn't numeric/, 'cmp should return number'); | |
1467 | ||
1468 | } | |
2c615c57 NC |
1469 | |
1470 | { | |
2ab54efd MB |
1471 | # nomethod called for '!' after attempted fallback |
1472 | my $nomethod_called = 0; | |
1473 | ||
1474 | package nomethod_not; | |
1475 | use overload nomethod => sub { $nomethod_called = 'yes'; }; | |
1476 | ||
1477 | package main; | |
1478 | my $o = bless [], 'nomethod_not'; | |
1479 | my $res = ! $o; | |
1480 | ||
1481 | is($nomethod_called, 'yes', "nomethod() is called for '!'"); | |
1482 | is($res, 'yes', "nomethod(..., '!') return value propagates"); | |
1483 | } | |
1484 | ||
1485 | { | |
2c615c57 | 1486 | # Subtle bug pre 5.10, as a side effect of the overloading flag being |
b0bf6df7 | 1487 | # stored on the reference rather than the referent. Despite the fact that |
2c615c57 | 1488 | # objects can only be accessed via references (even internally), the |
b0bf6df7 | 1489 | # referent actually knows that it's blessed, not the references. So taking |
2c615c57 NC |
1490 | # a new, unrelated, reference to it gives an object. However, the |
1491 | # overloading-or-not flag was on the reference prior to 5.10, and taking | |
1492 | # a new reference didn't (use to) copy it. | |
1493 | ||
1494 | package kayo; | |
1495 | ||
1496 | use overload '""' => sub {${$_[0]}}; | |
1497 | ||
1498 | sub Pie { | |
1499 | return "$_[0], $_[1]"; | |
1500 | } | |
1501 | ||
1502 | package main; | |
1503 | ||
1504 | my $class = 'kayo'; | |
1505 | my $string = 'bam'; | |
1506 | my $crunch_eth = bless \$string, $class; | |
1507 | ||
1508 | is("$crunch_eth", $string); | |
1509 | is ($crunch_eth->Pie("Meat"), "$string, Meat"); | |
1510 | ||
1511 | my $wham_eth = \$string; | |
1512 | ||
1513 | is("$wham_eth", $string, | |
1514 | 'This reference did not have overloading in 5.8.8 and earlier'); | |
1515 | is ($crunch_eth->Pie("Apple"), "$string, Apple"); | |
1516 | ||
1517 | my $class = ref $wham_eth; | |
1518 | $class =~ s/=.*//; | |
1519 | ||
1520 | # Bless it back into its own class! | |
1521 | bless $wham_eth, $class; | |
1522 | ||
1523 | is("$wham_eth", $string); | |
1524 | is ($crunch_eth->Pie("Blackbird"), "$string, Blackbird"); | |
1525 | } | |
c781a409 RD |
1526 | |
1527 | { | |
1528 | package numify_int; | |
1529 | use overload "0+" => sub { $_[0][0] += 1; 42 }; | |
1530 | package numify_self; | |
1531 | use overload "0+" => sub { $_[0][0]++; $_[0] }; | |
1532 | package numify_other; | |
1533 | use overload "0+" => sub { $_[0][0]++; $_[0][1] = bless [], 'numify_int' }; | |
e28bb1d5 | 1534 | package numify_by_fallback; |
800401ee | 1535 | use overload fallback => 1; |
c781a409 RD |
1536 | |
1537 | package main; | |
1538 | my $o = bless [], 'numify_int'; | |
1539 | is(int($o), 42, 'numifies to integer'); | |
1540 | is($o->[0], 1, 'int() numifies only once'); | |
1541 | ||
1542 | my $aref = []; | |
93521010 | 1543 | my $num_val = int($aref); |
c781a409 RD |
1544 | my $r = bless $aref, 'numify_self'; |
1545 | is(int($r), $num_val, 'numifies to self'); | |
1546 | is($r->[0], 1, 'int() numifies once when returning self'); | |
1547 | ||
1548 | my $s = bless [], 'numify_other'; | |
1549 | is(int($s), 42, 'numifies to numification of other object'); | |
1550 | is($s->[0], 1, 'int() numifies once when returning other object'); | |
1551 | is($s->[1][0], 1, 'returned object numifies too'); | |
e28bb1d5 RD |
1552 | |
1553 | my $m = bless $aref, 'numify_by_fallback'; | |
1554 | is(int($m), $num_val, 'numifies to usual reference value'); | |
800401ee JH |
1555 | is(abs($m), $num_val, 'numifies to usual reference value'); |
1556 | is(-$m, -$num_val, 'numifies to usual reference value'); | |
1557 | is(0+$m, $num_val, 'numifies to usual reference value'); | |
1558 | is($m+0, $num_val, 'numifies to usual reference value'); | |
1559 | is($m+$m, 2*$num_val, 'numifies to usual reference value'); | |
1560 | is(0-$m, -$num_val, 'numifies to usual reference value'); | |
1561 | is(1*$m, $num_val, 'numifies to usual reference value'); | |
9fa8ecf2 | 1562 | is(int($m/1), $num_val, 'numifies to usual reference value'); |
800401ee JH |
1563 | is($m%100, $num_val%100, 'numifies to usual reference value'); |
1564 | is($m**1, $num_val, 'numifies to usual reference value'); | |
1565 | ||
1566 | is(abs($aref), $num_val, 'abs() of ref'); | |
1567 | is(-$aref, -$num_val, 'negative of ref'); | |
1568 | is(0+$aref, $num_val, 'ref addition'); | |
1569 | is($aref+0, $num_val, 'ref addition'); | |
1570 | is($aref+$aref, 2*$num_val, 'ref addition'); | |
1571 | is(0-$aref, -$num_val, 'subtraction of ref'); | |
1572 | is(1*$aref, $num_val, 'multiplicaton of ref'); | |
9fa8ecf2 | 1573 | is(int($aref/1), $num_val, 'division of ref'); |
800401ee JH |
1574 | is($aref%100, $num_val%100, 'modulo of ref'); |
1575 | is($aref**1, $num_val, 'exponentiation of ref'); | |
c781a409 | 1576 | } |
800401ee | 1577 | |
49c95d58 RD |
1578 | { |
1579 | package CopyConstructorFallback; | |
1580 | use overload | |
1581 | '++' => sub { "$_[0]"; $_[0] }, | |
1582 | fallback => 1; | |
1583 | sub new { bless {} => shift } | |
1584 | ||
1585 | package main; | |
1586 | ||
1587 | my $o = CopyConstructorFallback->new; | |
1588 | my $x = $o++; # would segfault | |
1589 | my $y = ++$o; | |
1590 | is($x, $o, "copy constructor falls back to assignment (postinc)"); | |
1591 | is($y, $o, "copy constructor falls back to assignment (preinc)"); | |
1592 | } | |
1593 | ||
6f1401dc DM |
1594 | # only scalar 'x' should currently overload |
1595 | ||
1596 | { | |
1597 | package REPEAT; | |
1598 | ||
1599 | my ($x,$n, $nm); | |
1600 | ||
1601 | use overload | |
1602 | 'x' => sub { $x++; 1 }, | |
1603 | '0+' => sub { $n++; 1 }, | |
1604 | 'nomethod' => sub { $nm++; 1 }, | |
1605 | 'fallback' => 0, | |
1606 | ; | |
1607 | ||
1608 | my $s = bless {}; | |
1609 | ||
1610 | package main; | |
1611 | ||
1612 | my @a; | |
1613 | my $count = 3; | |
1614 | ||
1615 | ($x,$n,$nm) = (0,0,0); | |
1616 | @a = ((1,2,$s) x $count); | |
1617 | is("$x-$n-$nm", "0-0-0", 'repeat 1'); | |
1618 | ||
1619 | ($x,$n,$nm) = (0,0,0); | |
1620 | @a = ((1,$s,3) x $count); | |
1621 | is("$x-$n-$nm", "0-0-0", 'repeat 2'); | |
1622 | ||
1623 | ($x,$n,$nm) = (0,0,0); | |
1624 | @a = ((1,2,3) x $s); | |
1625 | is("$x-$n-$nm", "0-1-0", 'repeat 3'); | |
1626 | } | |
1627 | ||
1628 | ||
1629 | ||
1630 | # RT #57012: magic items need to have mg_get() called before testing for | |
1631 | # overload. Lack of this means that overloaded values returned by eg a | |
1632 | # tied array didn't call overload methods. | |
1633 | # We test here both a tied array and scalar, since the implementation of | |
1634 | # tied arrays (and hashes) is such that in rvalue context, mg_get is | |
1635 | # called prior to executing the op, while it isn't for a tied scalar. | |
a02ec77a DM |
1636 | # We also check that return values are correctly tainted. |
1637 | # We try against two overload packages; one has all expected methods, the | |
1638 | # other uses only fallback methods. | |
6f1401dc DM |
1639 | |
1640 | { | |
1641 | ||
a02ec77a DM |
1642 | # @tests holds a list of test cases. Each elem is an array ref with |
1643 | # the following entries: | |
1644 | # | |
1645 | # * the value that the overload method should return | |
1646 | # | |
1647 | # * the expression to be evaled. %s is replaced with the | |
1648 | # variable being tested ($ta[0], $ts, or $plain) | |
1649 | # | |
1650 | # * a string listing what functions we expect to be called. | |
1651 | # Each method appends its name in parentheses, so "(=)(+)" means | |
1652 | # we expect the copy constructor and then the add method to be | |
1653 | # called. | |
1654 | # | |
1655 | # * like above, but what should be called for the fallback-only test | |
1656 | # (in this case, nomethod() identifies itself as "(NM:*)" where * | |
1657 | # is the op). If this value is undef, fallback tests are skipped. | |
1658 | # | |
1659 | # * An array ref of expected counts of calls to FETCH/STORE. | |
1660 | # The first three values are: | |
1661 | # 1. the expected number of FETCHs for a tied array | |
1662 | # 2. the expected number of FETCHs for a tied scalar | |
1663 | # 3. the expected number of STOREs | |
1664 | # If there are a further three elements present, then | |
1665 | # these represent the expected counts for the fallback | |
1666 | # version of the tests. If absent, they are assumed to | |
1667 | # be the same as for the full method test | |
1668 | # | |
1669 | # * Under the taint version of the tests, whether we expect | |
1670 | # the result to be tainted (for example comparison ops | |
1671 | # like '==' don't return a tainted value, even if their | |
1672 | # args are. | |
1673 | my @tests; | |
1674 | ||
6f1401dc DM |
1675 | my %subs; |
1676 | my $funcs; | |
1677 | my $use_int; | |
1678 | ||
1679 | BEGIN { | |
1680 | # A note on what methods to expect to be called, and | |
1681 | # how many times FETCH/STORE is called: | |
1682 | # | |
1683 | # Mutating ops (+=, ++ etc) trigger a copy ('='), since | |
1684 | # the code can't distingish between something that's been copied: | |
1685 | # $a = foo->new(0); $b = $a; refcnt($$b) == 2 | |
1686 | # and overloaded objects stored in ties which will have extra | |
1687 | # refcounts due to the tied_obj magic and entries on the tmps | |
1688 | # stack when returning from FETCH etc. So we always copy. | |
1689 | ||
1690 | # This accounts for a '=', and an extra STORE. | |
1691 | # We also have a FETCH returning the final value from the eval, | |
1692 | # plus a FETCH in the overload subs themselves: ($_[0][0]) | |
1693 | # triggers one. However, tied agregates have a mechanism to prevent | |
1694 | # multiple fetches between STOREs, which means that the tied | |
1695 | # hash skips doing a FETCH during '='. | |
1696 | ||
a02ec77a DM |
1697 | for (qw(+ - * / % ** << >> & | ^)) { |
1698 | my $op = $_; | |
1699 | $op = '%%' if $op eq '%'; | |
1700 | my $e = "%s $op= 3"; | |
6f1401dc DM |
1701 | $subs{"$_="} = $e; |
1702 | # ARRAY FETCH: initial, sub+=, eval-return, | |
1703 | # SCALAR FETCH: initial, sub=, sub+=, eval-return, | |
1704 | # STORE: copy, mutator | |
a02ec77a DM |
1705 | push @tests, [ 18, $e, "(=)($_=)", "(=)(NM:$_=)", [ 3, 4, 2 ], 1 ]; |
1706 | ||
1707 | $subs{$_} = | |
1708 | "do { my \$arg = %s; \$_[2] ? (3 $op \$arg) : (\$arg $op 3) }"; | |
6f1401dc DM |
1709 | # ARRAY FETCH: initial |
1710 | # SCALAR FETCH: initial eval-return, | |
a02ec77a DM |
1711 | push @tests, [ 18, "%s $op 3", "($_)", "(NM:$_)", [ 1, 2, 0 ], 1 ]; |
1712 | push @tests, [ 18, "3 $op %s", "($_)", "(NM:$_)", [ 1, 2, 0 ], 1 ]; | |
6f1401dc | 1713 | } |
a02ec77a DM |
1714 | |
1715 | # these use string fallback rather than nomethod | |
1716 | for (qw(x .)) { | |
1717 | my $op = $_; | |
1718 | my $e = "%s $op= 3"; | |
1719 | $subs{"$_="} = $e; | |
1720 | # For normal case: | |
1721 | # ARRAY FETCH: initial, sub+=, eval-return, | |
1722 | # SCALAR FETCH: initial, sub=, sub+=, eval-return, | |
1723 | # STORE: copy, mutator | |
1724 | # for fallback, we just stringify, so eval-return and copy skipped | |
c5aa2872 DM |
1725 | |
1726 | push @tests, [ 18, $e, "(=)($_=)", '("")', | |
1727 | [ 3, 4, 2, 2, 3, 1 ], 1 ]; | |
a02ec77a DM |
1728 | |
1729 | $subs{$_} = | |
1730 | "do { my \$arg = %s; \$_[2] ? (3 $op \$arg) : (\$arg $op 3) }"; | |
1731 | # ARRAY FETCH: initial | |
1732 | # SCALAR FETCH: initial eval-return, | |
3bc4ee4c DM |
1733 | # with fallback, we just stringify, so eval-return skipped, |
1734 | # but an extra FETCH happens in sub"", except for 'x', | |
1735 | # which passes a copy of the RV to sub"", avoiding the | |
1736 | # second FETCH | |
1737 | ||
1738 | push @tests, [ 18, "%s $op 3", "($_)", '("")', | |
1739 | [ 1, 2, 0, 1, ($_ eq '.' ? 2 : 1), 0 ], 1 ]; | |
1740 | next if $_ eq 'x'; # repeat only overloads on LHS | |
1741 | push @tests, [ 18, "3 $op %s", "($_)", '("")', | |
1742 | [ 1, 2, 0, 1, 2, 0 ], 1 ]; | |
a02ec77a DM |
1743 | } |
1744 | ||
6f1401dc DM |
1745 | for (qw(++ --)) { |
1746 | my $pre = "$_%s"; | |
1747 | my $post = "%s$_"; | |
1748 | $subs{$_} = $pre; | |
a02ec77a | 1749 | push @tests, |
6f1401dc DM |
1750 | # ARRAY FETCH: initial, sub+=, eval-return, |
1751 | # SCALAR FETCH: initial, sub=, sub+=, eval-return, | |
1752 | # STORE: copy, mutator | |
a02ec77a | 1753 | [ 18, $pre, "(=)($_)(\"\")", "(=)(NM:$_)(\"\")", [ 3, 4, 2 ], 1 ], |
6f1401dc DM |
1754 | # ARRAY FETCH: initial, sub+= |
1755 | # SCALAR FETCH: initial, sub=, sub+= | |
1756 | # STORE: copy, mutator | |
a02ec77a | 1757 | [ 18, $post, "(=)($_)(\"\")", "(=)(NM:$_)(\"\")", [ 2, 3, 2 ], 1 ]; |
6f1401dc DM |
1758 | } |
1759 | ||
1760 | # For the non-mutator ops, we have a initial FETCH, | |
1761 | # an extra FETCH within the sub itself for the scalar option, | |
1762 | # and no STOREs | |
1763 | ||
a02ec77a | 1764 | for (qw(< <= > >= == != lt le gt ge eq ne)) { |
6f1401dc DM |
1765 | my $e = "%s $_ 3"; |
1766 | $subs{$_} = $e; | |
a02ec77a DM |
1767 | push @tests, [ 3, $e, "($_)", "(NM:$_)", [ 1, 2, 0 ], 0 ]; |
1768 | } | |
1769 | for (qw(<=> cmp)) { | |
1770 | my $e = "%s $_ 3"; | |
1771 | $subs{$_} = $e; | |
1772 | push @tests, [ 3, $e, "($_)", "(NM:$_)", [ 1, 2, 0 ], 1 ]; | |
6f1401dc DM |
1773 | } |
1774 | for (qw(atan2)) { | |
1775 | my $e = "$_ %s, 3"; | |
1776 | $subs{$_} = $e; | |
a02ec77a | 1777 | push @tests, [ 18, $e, "($_)", "(NM:$_)", [ 1, 2, 0 ], 1 ]; |
6f1401dc | 1778 | } |
a02ec77a | 1779 | for (qw(cos sin exp abs log sqrt int ~)) { |
6f1401dc DM |
1780 | my $e = "$_(%s)"; |
1781 | $subs{$_} = $e; | |
a02ec77a DM |
1782 | push @tests, [ 1.23, $e, "($_)", |
1783 | ($_ eq 'int' ? '(0+)' : "(NM:$_)") , [ 1, 2, 0 ], 1 ]; | |
1784 | } | |
1785 | for (qw(!)) { | |
1786 | my $e = "$_(%s)"; | |
1787 | $subs{$_} = $e; | |
1788 | push @tests, [ 1.23, $e, "($_)", '(0+)', [ 1, 2, 0 ], 0 ]; | |
6f1401dc DM |
1789 | } |
1790 | for (qw(-)) { | |
1791 | my $e = "$_(%s)"; | |
1792 | $subs{neg} = $e; | |
a02ec77a | 1793 | push @tests, [ 18, $e, '(neg)', '(NM:neg)', [ 1, 2, 0 ], 1 ]; |
6f1401dc DM |
1794 | } |
1795 | my $e = '(%s) ? 1 : 0'; | |
1796 | $subs{bool} = $e; | |
a02ec77a | 1797 | push @tests, [ 18, $e, '(bool)', '(0+)', [ 1, 2, 0 ], 0 ]; |
6f1401dc DM |
1798 | |
1799 | # note: this is testing unary qr, not binary =~ | |
a02ec77a | 1800 | $subs{qr} = '(qr/%s/)'; |
f3ec07c7 | 1801 | push @tests, [ "abc", '"abc" =~ (%s)', '(qr)', '("")', [ 1, 2, 0 ], 0 ]; |
6f1401dc DM |
1802 | |
1803 | $e = '"abc" ~~ (%s)'; | |
1804 | $subs{'~~'} = $e; | |
a02ec77a | 1805 | push @tests, [ "abc", $e, '(~~)', '(NM:~~)', [ 1, 1, 0 ], 0 ]; |
6f1401dc DM |
1806 | |
1807 | $subs{'-X'} = 'do { my $f = (%s);' | |
1808 | . '$_[1] eq "r" ? (-r ($f)) :' | |
1809 | . '$_[1] eq "e" ? (-e ($f)) :' | |
1810 | . '$_[1] eq "f" ? (-f ($f)) :' | |
1811 | . '$_[1] eq "l" ? (-l ($f)) :' | |
1812 | . '$_[1] eq "t" ? (-t ($f)) :' | |
1813 | . '$_[1] eq "T" ? (-T ($f)) : 0;}'; | |
1814 | # Note - we don't care what these filetests return, as | |
1815 | # long as the tied and untied versions return the same value. | |
1816 | # The flags below are chosen to test all uses of tryAMAGICftest_MG | |
1817 | for (qw(r e f l t T)) { | |
40c852de | 1818 | push @tests, [ 'TEST', "-$_ (%s)", '(-X)', '("")', [ 1, 2, 0 ], 0 ]; |
6f1401dc DM |
1819 | } |
1820 | ||
1821 | $subs{'${}'} = '%s'; | |
a02ec77a | 1822 | push @tests, [ do {my $s=99; \$s}, '${%s}', '(${})', undef, [ 1, 1, 0 ], 0 ]; |
6f1401dc DM |
1823 | |
1824 | # we skip testing '@{}' here because too much of this test | |
a02ec77a | 1825 | # framework involves array dereferences! |
6f1401dc DM |
1826 | |
1827 | $subs{'%{}'} = '%s'; | |
a02ec77a DM |
1828 | push @tests, [ {qw(a 1 b 2 c 3)}, 'join "", sort keys %%{%s}', |
1829 | '(%{})', undef, [ 1, 2, 0 ], 0 ]; | |
6f1401dc DM |
1830 | |
1831 | $subs{'&{}'} = '%s'; | |
a02ec77a DM |
1832 | push @tests, [ sub {99}, 'do {&{%s} for 1,2}', |
1833 | '(&{})(&{})', undef, [ 2, 2, 0 ], 0 ]; | |
6f1401dc DM |
1834 | |
1835 | our $RT57012A = 88; | |
1836 | our $RT57012B; | |
1837 | $subs{'*{}'} = '%s'; | |
a02ec77a DM |
1838 | push @tests, [ \*RT57012A, '*RT57012B = *{%s}; our $RT57012B', |
1839 | '(*{})', undef, [ 1, 1, 0 ], 0 ]; | |
6f1401dc DM |
1840 | |
1841 | # XXX TODO: '<>' | |
1842 | ||
895b760f DM |
1843 | # eval should do tie, overload on its arg before checking taint */ |
1844 | push @tests, [ '1;', 'eval q(eval %s); $@ =~ /Insecure/', | |
1845 | '("")', '("")', [ 1, 2, 0 ], 0 ]; | |
1846 | ||
1847 | ||
6f1401dc DM |
1848 | for my $sub (keys %subs) { |
1849 | my $term = $subs{$sub}; | |
1850 | my $t = sprintf $term, '$_[0][0]'; | |
a02ec77a | 1851 | my $e ="sub { \$funcs .= '($sub)'; my \$r; if (\$use_int) {" |
6f1401dc | 1852 | . "use integer; \$r = ($t) } else { \$r = ($t) } \$r }"; |
a02ec77a DM |
1853 | $subs{$sub} = eval $e; |
1854 | die "Compiling sub gave error:\n<$e>\n<$@>\n" if $@; | |
6f1401dc DM |
1855 | } |
1856 | } | |
1857 | ||
1858 | my $fetches; | |
1859 | my $stores; | |
1860 | ||
1861 | package RT57012_OV; | |
1862 | ||
6f1401dc DM |
1863 | use overload |
1864 | %subs, | |
a02ec77a DM |
1865 | "=" => sub { $funcs .= '(=)'; bless [ $_[0][0] ] }, |
1866 | '0+' => sub { $funcs .= '(0+)'; 0 + $_[0][0] }, | |
1867 | '""' => sub { $funcs .= '("")'; "$_[0][0]" }, | |
1868 | ; | |
1869 | ||
1870 | package RT57012_OV_FB; # only contains fallback conversion functions | |
1871 | ||
1872 | use overload | |
1873 | "=" => sub { $funcs .= '(=)'; bless [ $_[0][0] ] }, | |
1874 | '0+' => sub { $funcs .= '(0+)'; 0 + $_[0][0] }, | |
1875 | '""' => sub { $funcs .= '("")'; "$_[0][0]" }, | |
1876 | "nomethod" => sub { | |
1877 | $funcs .= "(NM:$_[3])"; | |
1878 | my $e = defined($_[1]) | |
1879 | ? $_[3] eq 'atan2' | |
1880 | ? $_[2] | |
1881 | ? "atan2(\$_[1],\$_[0][0])" | |
1882 | : "atan2(\$_[0][0],\$_[1])" | |
1883 | : $_[2] | |
1884 | ? "\$_[1] $_[3] \$_[0][0]" | |
1885 | : "\$_[0][0] $_[3] \$_[1]" | |
1886 | : $_[3] eq 'neg' | |
1887 | ? "-\$_[0][0]" | |
1888 | : "$_[3](\$_[0][0])"; | |
1889 | my $r; | |
1890 | if ($use_int) { | |
1891 | use integer; $r = eval $e; | |
1892 | } | |
1893 | else { | |
1894 | $r = eval $e; | |
1895 | } | |
1896 | ::diag("eval of nomethod <$e> gave <$@>") if $@; | |
1897 | $r; | |
1898 | } | |
1899 | ||
6f1401dc DM |
1900 | ; |
1901 | ||
1902 | package RT57012_TIE_S; | |
1903 | ||
1904 | my $tie_val; | |
a02ec77a | 1905 | sub TIESCALAR { bless [ bless [ $tie_val ], $_[1] ] } |
6f1401dc DM |
1906 | sub FETCH { $fetches++; $_[0][0] } |
1907 | sub STORE { $stores++; $_[0][0] = $_[1] } | |
1908 | ||
1909 | package RT57012_TIE_A; | |
1910 | ||
1911 | sub TIEARRAY { bless [] } | |
1912 | sub FETCH { $fetches++; $_[0][0] } | |
1913 | sub STORE { $stores++; $_[0][$_[1]] = $_[2] } | |
1914 | ||
1915 | package main; | |
1916 | ||
a02ec77a DM |
1917 | for my $test (@tests) { |
1918 | my ($val, $sub_term, $exp_funcs, $exp_fb_funcs, | |
1919 | $exp_counts, $exp_taint) = @$test; | |
1920 | ||
1921 | my $tainted_val; | |
1922 | { | |
1923 | # create tainted version of $val (unless its a ref) | |
1924 | my $t = substr($^X,0,0); | |
1925 | my $t0 = $t."0"; | |
1926 | my $val1 = $val; # use a copy to avoid stringifying original | |
1927 | $tainted_val = ref($val1) ? $val : | |
1928 | ($val1 =~ /^[\d\.]+$/) ? $val+$t0 : $val.$t; | |
1929 | } | |
1930 | $tie_val = $tainted_val; | |
6f1401dc | 1931 | |
6f1401dc DM |
1932 | for my $int ('', 'use integer; ') { |
1933 | $use_int = ($int ne ''); | |
a02ec77a DM |
1934 | my $plain = $tainted_val; |
1935 | my $plain_term = $int . sprintf $sub_term, '$plain'; | |
1936 | my $exp = eval $plain_term; | |
1937 | diag("eval of plain_term <$plain_term> gave <$@>") if $@; | |
1938 | is(tainted($exp), $exp_taint, | |
1939 | "<$plain_term> taint of expected return"); | |
1940 | ||
1941 | for my $ov_pkg (qw(RT57012_OV RT57012_OV_FB)) { | |
1942 | # the deref ops don't support fallback | |
1943 | next if $ov_pkg eq 'RT57012_OV_FB' | |
1944 | and not defined $exp_fb_funcs; | |
1945 | my ($exp_fetch_a, $exp_fetch_s, $exp_store) = | |
1946 | ($ov_pkg eq 'RT57012_OV' || @$exp_counts < 4) | |
1947 | ? @$exp_counts[0,1,2] | |
1948 | : @$exp_counts[3,4,5]; | |
1949 | ||
1950 | tie my $ts, 'RT57012_TIE_S', $ov_pkg; | |
6f1401dc | 1951 | tie my @ta, 'RT57012_TIE_A'; |
a02ec77a DM |
1952 | $ta[0] = bless [ $tainted_val ], $ov_pkg; |
1953 | my $oload = bless [ $tainted_val ], $ov_pkg; | |
1954 | ||
1955 | for my $var ('$ta[0]', '$ts', '$oload') { | |
1956 | ||
1957 | $funcs = ''; | |
1958 | $fetches = 0; | |
1959 | $stores = 0; | |
1960 | ||
1961 | my $res_term = $int . sprintf $sub_term, $var; | |
1962 | my $desc = "<$res_term> $ov_pkg" ; | |
1963 | my $res = eval $res_term; | |
1964 | diag("eval of res_term $desc gave <$@>") if $@; | |
1965 | # uniquely, the inc/dec ops return tthe original | |
1966 | # ref rather than a copy, so stringify it to | |
1967 | # find out if its tainted | |
1968 | $res = "$res" if $res_term =~ /\+\+|--/; | |
1969 | is(tainted($res), $exp_taint, | |
1970 | "$desc taint of result return"); | |
a02ec77a DM |
1971 | is($res, $exp, "$desc return value"); |
1972 | my $fns =($ov_pkg eq 'RT57012_OV_FB') | |
1973 | ? $exp_fb_funcs : $exp_funcs; | |
1974 | if ($var eq '$oload' && $res_term !~ /oload(\+\+|--)/) { | |
1975 | # non-tied overloading doesn't trigger a copy | |
1976 | # except for post inc/dec | |
1977 | $fns =~ s/^\(=\)//; | |
1978 | } | |
1979 | is($funcs, $fns, "$desc methods called"); | |
1980 | next if $var eq '$oload'; | |
1981 | my $exp_fetch = ($var eq '$ts') ? | |
1982 | $exp_fetch_s : $exp_fetch_a; | |
1983 | is($fetches, $exp_fetch, "$desc FETCH count"); | |
1984 | is($stores, $exp_store, "$desc STORE count"); | |
1985 | ||
1986 | } | |
1987 | ||
6f1401dc DM |
1988 | } |
1989 | } | |
1990 | } | |
1991 | } | |
1992 | ||
800401ee | 1993 | # EOF |