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Optimize reversing an array in-place
[perl5.git] / t / op / smartmatch.t
CommitLineData
0d863452
RH
1#!./perl
2
3BEGIN {
4 chdir 't';
5 @INC = '../lib';
6 require './test.pl';
7}
8use strict;
289d21b2
RGS
9use warnings;
10no warnings 'uninitialized';
0d863452
RH
11
12use Tie::Array;
13use Tie::Hash;
c5836baf 14use if !$ENV{PERL_CORE_MINITEST}, "Tie::RefHash";
0d863452 15
0d863452 16# Predeclare vars used in the tests:
031a44ed
RGS
17my @empty;
18my %empty;
015eb7b9 19my @sparse; $sparse[2] = 2;
031a44ed 20
0d863452
RH
21my $deep1 = []; push @$deep1, \$deep1;
22my $deep2 = []; push @$deep2, \$deep2;
23
0d863452
RH
24my @nums = (1..10);
25tie my @tied_nums, 'Tie::StdArray';
26@tied_nums = (1..10);
27
28my %hash = (foo => 17, bar => 23);
29tie my %tied_hash, 'Tie::StdHash';
30%tied_hash = %hash;
31
1cfb7049
YK
32{
33 package Test::Object::NoOverload;
34 sub new { bless { key => 1 } }
35}
36
37{
6fbc735b
RGS
38 package Test::Object::StringOverload;
39 use overload '""' => sub { "object" }, fallback => 1;
40 sub new { bless { key => 1 } }
41}
42
43{
90a32bcb 44 package Test::Object::WithOverload;
6fbc735b 45 sub new { bless { key => ($_[1] // 'magic') } }
2c9d2554
RGS
46 use overload '~~' => sub {
47 my %hash = %{ $_[0] };
48 if ($_[2]) { # arguments reversed ?
49 return $_[1] eq reverse $hash{key};
50 }
51 else {
52 return $_[1] eq $hash{key};
53 }
54 };
0483c672 55 use overload '""' => sub { "stringified" };
90a32bcb 56 use overload 'eq' => sub {"$_[0]" eq "$_[1]"};
1cfb7049
YK
57}
58
90a32bcb 59our $ov_obj = Test::Object::WithOverload->new;
6fbc735b 60our $ov_obj_2 = Test::Object::WithOverload->new("object");
1cfb7049 61our $obj = Test::Object::NoOverload->new;
6fbc735b 62our $str_obj = Test::Object::StringOverload->new;
1cfb7049 63
c5836baf
RGS
64my %refh;
65if (!$ENV{PERL_CORE_MINITEST}) {
66 tie %refh, 'Tie::RefHash';
67 $refh{$ov_obj} = 1;
68}
b15feb55 69
73aec0b1
RGS
70my @keyandmore = qw(key and more);
71my @fooormore = qw(foo or more);
72my %keyandmore = map { $_ => 0 } @keyandmore;
73my %fooormore = map { $_ => 0 } @fooormore;
74
0d863452 75# Load and run the tests
be99ef1a 76plan tests => 335;
0d863452 77
9e079ace 78while (<DATA>) {
c5836baf 79 SKIP: {
9e079ace
RGS
80 next if /^#/ || !/\S/;
81 chomp;
73aec0b1 82 my ($yn, $left, $right, $note) = split /\t+/;
0d863452 83
73aec0b1 84 local $::TODO = $note =~ /TODO/;
0d863452 85
85af77a5 86 die "Bad test spec: ($yn, $left, $right)" if $yn =~ /[^!@=]/;
9e079ace 87
0d863452 88 my $tstr = "$left ~~ $right";
9e079ace 89
85af77a5 90 test_again:
289d21b2
RGS
91 my $res;
92 if ($note =~ /NOWARNINGS/) {
93 $res = eval "no warnings; $tstr";
94 }
c5836baf
RGS
95 elsif ($note =~ /MINISKIP/ && $ENV{PERL_CORE_MINITEST}) {
96 skip("Doesn't work with miniperl", $yn =~ /=/ ? 2 : 1);
97 }
289d21b2
RGS
98 else {
99 $res = eval $tstr;
100 }
0d863452 101
a86f5011
YK
102 chomp $@;
103
85af77a5 104 if ( $yn =~ /@/ ) {
9e079ace
RGS
105 ok( $@ ne '', "$tstr dies" )
106 and print "# \$\@ was: $@\n";
a86f5011 107 } else {
85af77a5 108 my $test_name = $tstr . ($yn =~ /!/ ? " does not match" : " matches");
a86f5011 109 if ( $@ ne '' ) {
9e079ace
RGS
110 fail($test_name);
111 print "# \$\@ was: $@\n";
a86f5011 112 } else {
85af77a5 113 ok( ($yn =~ /!/ xor $res), $test_name );
a86f5011
YK
114 }
115 }
85af77a5
RGS
116
117 if ( $yn =~ s/=// ) {
118 $tstr = "$right ~~ $left";
119 goto test_again;
120 }
c5836baf 121 }
0d863452
RH
122}
123
0d863452 124sub foo {}
73aec0b1
RGS
125sub bar {42}
126sub gorch {42}
1cfb7049 127sub fatal {die "fatal sub\n"}
0d863452 128
0cfbf1ea 129# to test constant folding
18d11902
RGS
130sub FALSE() { 0 }
131sub TRUE() { 1 }
2522c35a 132sub NOT_DEF() { undef }
0d863452 133
e5de85fa
RGS
134# Prefix character :
135# - expected to match
136# ! - expected to not match
137# @ - expected to be a compilation failure
85af77a5 138# = - expected to match symmetrically (runs test twice)
73aec0b1 139# Data types to test :
85af77a5 140# undef
73aec0b1
RGS
141# Object-overloaded
142# Object
73aec0b1
RGS
143# Coderef
144# Hash
145# Hashref
146# Array
147# Arrayref
85af77a5
RGS
148# Tied arrays and hashes
149# Arrays that reference themselves
73aec0b1 150# Regex (// and qr//)
85af77a5 151# Range
73aec0b1
RGS
152# Num
153# Str
85af77a5
RGS
154# Other syntactic items of interest:
155# Constants
156# Values returned by a sub call
0d863452 157__DATA__
85af77a5 158# Any ~~ undef
ad0781bc 159! $ov_obj undef
85af77a5
RGS
160! $obj undef
161! sub {} undef
162! %hash undef
163! \%hash undef
164! {} undef
165! @nums undef
166! \@nums undef
167! [] undef
168! %tied_hash undef
169! @tied_nums undef
170! $deep1 undef
171! /foo/ undef
172! qr/foo/ undef
173! 21..30 undef
174! 189 undef
175! "foo" undef
176! "" undef
177! !1 undef
178 undef undef
62ec5f58 179 (my $u) undef
2522c35a
RGS
180 NOT_DEF undef
181 &NOT_DEF undef
85af77a5
RGS
182
183# Any ~~ object overloaded
ad0781bc 184! \&fatal $ov_obj
2c9d2554
RGS
185 'cigam' $ov_obj
186! 'cigam on' $ov_obj
532217f1
RGS
187! ['cigam'] $ov_obj
188! ['stringified'] $ov_obj
189! { cigam => 1 } $ov_obj
190! { stringified => 1 } $ov_obj
ad0781bc
RGS
191! $obj $ov_obj
192! undef $ov_obj
1cfb7049
YK
193
194# regular object
ad0781bc 195@ $obj $obj
6d743019 196@ $ov_obj $obj
2c9d2554 197=@ \&fatal $obj
ad0781bc
RGS
198@ \&FALSE $obj
199@ \&foo $obj
200@ sub { 1 } $obj
201@ sub { 0 } $obj
202@ %keyandmore $obj
203@ {"key" => 1} $obj
204@ @fooormore $obj
205@ ["key" => 1] $obj
206@ /key/ $obj
207@ qr/key/ $obj
208@ "key" $obj
209@ FALSE $obj
210
6fbc735b
RGS
211# regular object with "" overload
212@ $obj $str_obj
213=@ \&fatal $str_obj
214@ \&FALSE $str_obj
215@ \&foo $str_obj
216@ sub { 1 } $str_obj
217@ sub { 0 } $str_obj
218@ %keyandmore $str_obj
219@ {"object" => 1} $str_obj
220@ @fooormore $str_obj
221@ ["object" => 1] $str_obj
222@ /object/ $str_obj
223@ qr/object/ $str_obj
224@ "object" $str_obj
225@ FALSE $str_obj
226# Those will treat the $str_obj as a string because of fallback:
227! $ov_obj $str_obj
228 $ov_obj_2 $str_obj
229
ad0781bc 230# object (overloaded or not) ~~ Any
0483c672
RGS
231 $obj qr/NoOverload/
232 $ov_obj qr/^stringified$/
532217f1 233= "$ov_obj" "stringified"
6fbc735b 234= "$str_obj" "object"
532217f1 235!= $ov_obj "stringified"
6fbc735b 236 $str_obj "object"
2c9d2554
RGS
237 $ov_obj 'magic'
238! $ov_obj 'not magic'
1cfb7049 239
a4a197da
RGS
240# ~~ Coderef
241 sub{0} sub { ref $_[0] eq "CODE" }
242 %fooormore sub { $_[0] =~ /^(foo|or|more)$/ }
243! %fooormore sub { $_[0] =~ /^(foo|or|less)$/ }
244 \%fooormore sub { $_[0] =~ /^(foo|or|more)$/ }
245! \%fooormore sub { $_[0] =~ /^(foo|or|less)$/ }
246 +{%fooormore} sub { $_[0] =~ /^(foo|or|more)$/ }
247! +{%fooormore} sub { $_[0] =~ /^(foo|or|less)$/ }
248 @fooormore sub { $_[0] =~ /^(foo|or|more)$/ }
249! @fooormore sub { $_[0] =~ /^(foo|or|less)$/ }
250 \@fooormore sub { $_[0] =~ /^(foo|or|more)$/ }
251! \@fooormore sub { $_[0] =~ /^(foo|or|less)$/ }
252 [@fooormore] sub { $_[0] =~ /^(foo|or|more)$/ }
253! [@fooormore] sub { $_[0] =~ /^(foo|or|less)$/ }
254 %fooormore sub{@_==1}
255 @fooormore sub{@_==1}
256 "foo" sub { $_[0] =~ /^(foo|or|more)$/ }
257! "more" sub { $_[0] =~ /^(foo|or|less)$/ }
73aec0b1 258 /fooormore/ sub{ref $_[0] eq 'Regexp'}
a4a197da
RGS
259 qr/fooormore/ sub{ref $_[0] eq 'Regexp'}
260 1 sub{shift}
261! 0 sub{shift}
262! undef sub{shift}
263 undef sub{not shift}
031a44ed
RGS
264 NOT_DEF sub{not shift}
265 &NOT_DEF sub{not shift}
a4a197da
RGS
266 FALSE sub{not shift}
267 [1] \&bar
268 {a=>1} \&bar
269 qr// \&bar
270! [1] \&foo
271! {a=>1} \&foo
41e726ac 272 $obj sub { ref($_[0]) =~ /NoOverload/ }
90a32bcb 273 $ov_obj sub { ref($_[0]) =~ /WithOverload/ }
a4a197da 274# empty stuff matches, because the sub is never called:
07edf497
RGS
275 [] \&foo
276 {} \&foo
031a44ed
RGS
277 @empty \&foo
278 %empty \&foo
a4a197da
RGS
279! qr// \&foo
280! undef \&foo
281 undef \&bar
282@ undef \&fatal
283@ 1 \&fatal
284@ [1] \&fatal
203d1e89 285@ {a=>1} \&fatal
a4a197da
RGS
286@ "foo" \&fatal
287@ qr// \&fatal
203d1e89 288# sub is not called on empty hashes / arrays
07edf497
RGS
289 [] \&fatal
290 +{} \&fatal
031a44ed
RGS
291 @empty \&fatal
292 %empty \&fatal
532217f1
RGS
293# sub is not special on the left
294 sub {0} qr/^CODE/
295 sub {0} sub { ref shift eq "CODE" }
0d863452 296
0d863452
RH
297# HASH ref against:
298# - another hash ref
299 {} {}
2a37c5e7 300=! {} {1 => 2}
0d863452
RH
301 {1 => 2} {1 => 2}
302 {1 => 2} {1 => 3}
031a44ed
RGS
303=! {1 => 2} {2 => 3}
304= \%main:: {map {$_ => 'x'} keys %main::}
0d863452
RH
305
306# - tied hash ref
2522c35a 307= \%hash \%tied_hash
0d863452 308 \%tied_hash \%tied_hash
031a44ed
RGS
309!= {"a"=>"b"} \%tied_hash
310= %hash %tied_hash
311 %tied_hash %tied_hash
312!= {"a"=>"b"} %tied_hash
c5836baf
RGS
313 $ov_obj %refh MINISKIP
314! "$ov_obj" %refh MINISKIP
315 [$ov_obj] %refh MINISKIP
316! ["$ov_obj"] %refh MINISKIP
317 %refh %refh MINISKIP
0d863452
RH
318
319# - an array ref
031a44ed
RGS
320# (since this is symmetrical, tests as well hash~~array)
321= [keys %main::] \%::
322= [qw[STDIN STDOUT]] \%::
323=! [] \%::
324=! [""] {}
325=! [] {}
326=! @empty {}
327= [undef] {"" => 1}
328= [""] {"" => 1}
329= ["foo"] { foo => 1 }
330= ["foo", "bar"] { foo => 1 }
331= ["foo", "bar"] \%hash
332= ["foo"] \%hash
333=! ["quux"] \%hash
334= [qw(foo quux)] \%hash
335= @fooormore { foo => 1, or => 2, more => 3 }
336= @fooormore %fooormore
337= @fooormore \%fooormore
338= \@fooormore %fooormore
0d863452
RH
339
340# - a regex
ea0c2dbd
RGS
341= qr/^(fo[ox])$/ {foo => 1}
342= /^(fo[ox])$/ %fooormore
031a44ed 343=! qr/[13579]$/ +{0..99}
ea0c2dbd 344=! qr/a*/ {}
031a44ed 345= qr/a*/ {b=>2}
ea0c2dbd
RGS
346= qr/B/i {b=>2}
347= /B/i {b=>2}
348=! qr/a+/ {b=>2}
349= qr/^à/ {"à"=>2}
0d863452 350
031a44ed 351# - a scalar
2e0e16c9 352 "foo" +{foo => 1, bar => 2}
031a44ed 353 "foo" %fooormore
2e0e16c9 354! "baz" +{foo => 1, bar => 2}
031a44ed
RGS
355! "boz" %fooormore
356! 1 +{foo => 1, bar => 2}
357! 1 %fooormore
358 1 { 1 => 3 }
359 1.0 { 1 => 3 }
360! "1.0" { 1 => 3 }
361! "1.0" { 1.0 => 3 }
362 "1.0" { "1.0" => 3 }
363 "à" { "à" => "À" }
0d863452 364
61a621c6 365# - undef
2522c35a 366! undef { hop => 'zouu' }
61a621c6
RGS
367! undef %hash
368! undef +{"" => "empty key"}
2a37c5e7 369! undef {}
0d863452
RH
370
371# ARRAY ref against:
372# - another array ref
1cfb7049 373 [] []
2522c35a 374=! [] [1]
ea0c2dbd
RGS
375 [["foo"], ["bar"]] [qr/o/, qr/a/]
376! [["foo"], ["bar"]] [qr/ARRAY/, qr/ARRAY/]
0d863452 377 ["foo", "bar"] [qr/o/, qr/a/]
031a44ed 378! [qr/o/, qr/a/] ["foo", "bar"]
2522c35a 379 ["foo", "bar"] [["foo"], ["bar"]]
71b0fb34 380! ["foo", "bar"] [qr/o/, "foo"]
2522c35a 381 ["foo", undef, "bar"] [qr/o/, undef, "bar"]
fb51372e 382! ["foo", undef, "bar"] [qr/o/, "", "bar"]
2522c35a 383! ["foo", "", "bar"] [qr/o/, undef, "bar"]
1cfb7049 384 $deep1 $deep1
031a44ed 385 @$deep1 @$deep1
1cfb7049 386! $deep1 $deep2
0d863452 387
031a44ed
RGS
388= \@nums \@tied_nums
389= @nums \@tied_nums
390= \@nums @tied_nums
391= @nums @tied_nums
392
d0b243e3
RGS
393# - an object
394! $obj @fooormore
41e726ac 395 $obj [sub{ref shift}]
d0b243e3 396
0d863452 397# - a regex
ea0c2dbd
RGS
398= qr/x/ [qw(foo bar baz quux)]
399=! qr/y/ [qw(foo bar baz quux)]
400= /x/ [qw(foo bar baz quux)]
401=! /y/ [qw(foo bar baz quux)]
402= /FOO/i @fooormore
403=! /bar/ @fooormore
0d863452
RH
404
405# - a number
015eb7b9 406 2 [qw(1.00 2.00)]
b0138e99
RGS
407 2 [qw(foo 2)]
408 2.0_0e+0 [qw(foo 2)]
409! 2 [qw(1foo bar2)]
0d863452
RH
410
411# - a string
b0138e99
RGS
412! "2" [qw(1foo 2bar)]
413 "2bar" [qw(1foo 2bar)]
0d863452 414
015eb7b9
RGS
415# - undef
416 undef [1, 2, undef, 4]
417! undef [1, 2, [undef], 4]
418! undef @fooormore
419 undef @sparse
fb51372e
RGS
420 undef [undef]
421! 0 [undef]
422! "" [undef]
423! undef [0]
424! undef [""]
015eb7b9
RGS
425
426# - nested arrays and ~~ distributivity
427 11 [[11]]
428! 11 [[12]]
429 "foo" [{foo => "bar"}]
430! "bar" [{foo => "bar"}]
431
0d863452
RH
432# Number against number
433 2 2
33ed63a2 434 20 2_0
0d863452 435! 2 3
18d11902
RGS
436 0 FALSE
437 3-2 TRUE
fb51372e
RGS
438! undef 0
439! (my $u) 0
0d863452
RH
440
441# Number against string
33ed63a2
RGS
442= 2 "2"
443= 2 "2.0"
0d863452 444! 2 "2bananas"
289d21b2 445!= 2_3 "2_3" NOWARNINGS
18d11902 446 FALSE "0"
fb51372e
RGS
447! undef "0"
448! undef ""
0d863452
RH
449
450# Regex against string
a566f585
RGS
451 "x" qr/x/
452! "x" qr/y/
0d863452
RH
453
454# Regex against number
455 12345 qr/3/
2522c35a 456! 12345 qr/7/
0d863452 457
031a44ed 458# array/hash against string
d444f7e3
RGS
459 @fooormore "".\@fooormore
460! @keyandmore "".\@fooormore
461 %fooormore "".\%fooormore
462! %keyandmore "".\%fooormore
f1bef09e 463
0d863452 464# Test the implicit referencing
b0138e99 465 7 @nums
0d863452
RH
466 @nums \@nums
467! @nums \\@nums
468 @nums [1..10]
469! @nums [0..9]
470
2e0e16c9
RGS
471 "foo" %hash
472 /bar/ %hash
473 [qw(bar)] %hash
474! [qw(a b c)] %hash
71b0fb34 475 %hash %hash
fceebc47 476 %hash +{%hash}
73aec0b1 477 %hash \%hash
71b0fb34
DK
478 %hash %tied_hash
479 %tied_hash %tied_hash
480 %hash { foo => 5, bar => 10 }
481! %hash { foo => 5, bar => 10, quux => 15 }
482
483 @nums { 1, '', 2, '' }
484 @nums { 1, '', 12, '' }
485! @nums { 11, '', 12, '' }
be99ef1a
YK
486
487# UNDEF
488! 3 undef
489! 1 undef
490! [] undef
491! {} undef
492! \%::main undef
493! [1,2] undef
494! %hash undef
495! @nums undef
496! "foo" undef
497! "" undef
498! !1 undef
499! \&foo undef
500! sub { } undef