patch@2009-05-25.21:50:08 magic.t leaves $ENV{foo} on VMS.
[p5sagit/p5-mst-13.2.git] / t / op / smartmatch.t
CommitLineData
0d863452 1#!./perl
2
3BEGIN {
4 chdir 't';
5 @INC = '../lib';
6 require './test.pl';
7}
8use strict;
289d21b2 9use warnings;
10no warnings 'uninitialized';
0d863452 11
12use Tie::Array;
13use Tie::Hash;
b15feb55 14use Tie::RefHash;
0d863452 15
0d863452 16# Predeclare vars used in the tests:
031a44ed 17my @empty;
18my %empty;
015eb7b9 19my @sparse; $sparse[2] = 2;
031a44ed 20
0d863452 21my $deep1 = []; push @$deep1, \$deep1;
22my $deep2 = []; push @$deep2, \$deep2;
23
0d863452 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 32{
33 package Test::Object::NoOverload;
34 sub new { bless { key => 1 } }
35}
36
37{
90a32bcb 38 package Test::Object::WithOverload;
2522c35a 39 sub new { bless { key => 'magic' } }
2c9d2554 40 use overload '~~' => sub {
41 my %hash = %{ $_[0] };
42 if ($_[2]) { # arguments reversed ?
43 return $_[1] eq reverse $hash{key};
44 }
45 else {
46 return $_[1] eq $hash{key};
47 }
48 };
0483c672 49 use overload '""' => sub { "stringified" };
90a32bcb 50 use overload 'eq' => sub {"$_[0]" eq "$_[1]"};
1cfb7049 51}
52
90a32bcb 53our $ov_obj = Test::Object::WithOverload->new;
1cfb7049 54our $obj = Test::Object::NoOverload->new;
1cfb7049 55
b15feb55 56tie my %refh, 'Tie::RefHash';
57$refh{$ov_obj} = 1;
58
73aec0b1 59my @keyandmore = qw(key and more);
60my @fooormore = qw(foo or more);
61my %keyandmore = map { $_ => 0 } @keyandmore;
62my %fooormore = map { $_ => 0 } @fooormore;
63
0d863452 64# Load and run the tests
9e079ace 65plan "no_plan";
0d863452 66
9e079ace 67while (<DATA>) {
68 next if /^#/ || !/\S/;
69 chomp;
73aec0b1 70 my ($yn, $left, $right, $note) = split /\t+/;
0d863452 71
73aec0b1 72 local $::TODO = $note =~ /TODO/;
0d863452 73
85af77a5 74 die "Bad test spec: ($yn, $left, $right)" if $yn =~ /[^!@=]/;
9e079ace 75
0d863452 76 my $tstr = "$left ~~ $right";
9e079ace 77
85af77a5 78 test_again:
289d21b2 79 my $res;
80 if ($note =~ /NOWARNINGS/) {
81 $res = eval "no warnings; $tstr";
82 }
83 else {
84 $res = eval $tstr;
85 }
0d863452 86
a86f5011 87 chomp $@;
88
85af77a5 89 if ( $yn =~ /@/ ) {
9e079ace 90 ok( $@ ne '', "$tstr dies" )
91 and print "# \$\@ was: $@\n";
a86f5011 92 } else {
85af77a5 93 my $test_name = $tstr . ($yn =~ /!/ ? " does not match" : " matches");
a86f5011 94 if ( $@ ne '' ) {
9e079ace 95 fail($test_name);
96 print "# \$\@ was: $@\n";
a86f5011 97 } else {
85af77a5 98 ok( ($yn =~ /!/ xor $res), $test_name );
a86f5011 99 }
100 }
85af77a5 101
102 if ( $yn =~ s/=// ) {
103 $tstr = "$right ~~ $left";
104 goto test_again;
105 }
0d863452 106}
107
0d863452 108sub foo {}
73aec0b1 109sub bar {42}
110sub gorch {42}
1cfb7049 111sub fatal {die "fatal sub\n"}
0d863452 112
0cfbf1ea 113# to test constant folding
18d11902 114sub FALSE() { 0 }
115sub TRUE() { 1 }
2522c35a 116sub NOT_DEF() { undef }
0d863452 117
e5de85fa 118# Prefix character :
119# - expected to match
120# ! - expected to not match
121# @ - expected to be a compilation failure
85af77a5 122# = - expected to match symmetrically (runs test twice)
73aec0b1 123# Data types to test :
85af77a5 124# undef
73aec0b1 125# Object-overloaded
126# Object
73aec0b1 127# Coderef
128# Hash
129# Hashref
130# Array
131# Arrayref
85af77a5 132# Tied arrays and hashes
133# Arrays that reference themselves
73aec0b1 134# Regex (// and qr//)
85af77a5 135# Range
73aec0b1 136# Num
137# Str
85af77a5 138# Other syntactic items of interest:
139# Constants
140# Values returned by a sub call
0d863452 141__DATA__
85af77a5 142# Any ~~ undef
ad0781bc 143! $ov_obj undef
85af77a5 144! $obj undef
145! sub {} undef
146! %hash undef
147! \%hash undef
148! {} undef
149! @nums undef
150! \@nums undef
151! [] undef
152! %tied_hash undef
153! @tied_nums undef
154! $deep1 undef
155! /foo/ undef
156! qr/foo/ undef
157! 21..30 undef
158! 189 undef
159! "foo" undef
160! "" undef
161! !1 undef
162 undef undef
62ec5f58 163 (my $u) undef
2522c35a 164 NOT_DEF undef
165 &NOT_DEF undef
85af77a5 166
167# Any ~~ object overloaded
ad0781bc 168! \&fatal $ov_obj
2c9d2554 169 'cigam' $ov_obj
170! 'cigam on' $ov_obj
ad0781bc 171! $obj $ov_obj
172! undef $ov_obj
1cfb7049 173
174# regular object
ad0781bc 175@ $obj $obj
6d743019 176@ $ov_obj $obj
2c9d2554 177=@ \&fatal $obj
ad0781bc 178@ \&FALSE $obj
179@ \&foo $obj
180@ sub { 1 } $obj
181@ sub { 0 } $obj
182@ %keyandmore $obj
183@ {"key" => 1} $obj
184@ @fooormore $obj
185@ ["key" => 1] $obj
186@ /key/ $obj
187@ qr/key/ $obj
188@ "key" $obj
189@ FALSE $obj
190
191# object (overloaded or not) ~~ Any
0483c672 192 $obj qr/NoOverload/
193 $ov_obj qr/^stringified$/
2c9d2554 194 "$ov_obj" "stringified"
195 $ov_obj 'magic'
196! $ov_obj 'not magic'
1cfb7049 197
a4a197da 198# ~~ Coderef
199 sub{0} sub { ref $_[0] eq "CODE" }
200 %fooormore sub { $_[0] =~ /^(foo|or|more)$/ }
201! %fooormore sub { $_[0] =~ /^(foo|or|less)$/ }
202 \%fooormore sub { $_[0] =~ /^(foo|or|more)$/ }
203! \%fooormore sub { $_[0] =~ /^(foo|or|less)$/ }
204 +{%fooormore} sub { $_[0] =~ /^(foo|or|more)$/ }
205! +{%fooormore} sub { $_[0] =~ /^(foo|or|less)$/ }
206 @fooormore sub { $_[0] =~ /^(foo|or|more)$/ }
207! @fooormore sub { $_[0] =~ /^(foo|or|less)$/ }
208 \@fooormore sub { $_[0] =~ /^(foo|or|more)$/ }
209! \@fooormore sub { $_[0] =~ /^(foo|or|less)$/ }
210 [@fooormore] sub { $_[0] =~ /^(foo|or|more)$/ }
211! [@fooormore] sub { $_[0] =~ /^(foo|or|less)$/ }
212 %fooormore sub{@_==1}
213 @fooormore sub{@_==1}
214 "foo" sub { $_[0] =~ /^(foo|or|more)$/ }
215! "more" sub { $_[0] =~ /^(foo|or|less)$/ }
73aec0b1 216 /fooormore/ sub{ref $_[0] eq 'Regexp'}
a4a197da 217 qr/fooormore/ sub{ref $_[0] eq 'Regexp'}
218 1 sub{shift}
219! 0 sub{shift}
220! undef sub{shift}
221 undef sub{not shift}
031a44ed 222 NOT_DEF sub{not shift}
223 &NOT_DEF sub{not shift}
a4a197da 224 FALSE sub{not shift}
225 [1] \&bar
226 {a=>1} \&bar
227 qr// \&bar
228! [1] \&foo
229! {a=>1} \&foo
41e726ac 230 $obj sub { ref($_[0]) =~ /NoOverload/ }
90a32bcb 231 $ov_obj sub { ref($_[0]) =~ /WithOverload/ }
a4a197da 232# empty stuff matches, because the sub is never called:
07edf497 233 [] \&foo
234 {} \&foo
031a44ed 235 @empty \&foo
236 %empty \&foo
a4a197da 237! qr// \&foo
238! undef \&foo
239 undef \&bar
240@ undef \&fatal
241@ 1 \&fatal
242@ [1] \&fatal
203d1e89 243@ {a=>1} \&fatal
a4a197da 244@ "foo" \&fatal
245@ qr// \&fatal
203d1e89 246# sub is not called on empty hashes / arrays
07edf497 247 [] \&fatal
248 +{} \&fatal
031a44ed 249 @empty \&fatal
250 %empty \&fatal
0d863452 251
0d863452 252# HASH ref against:
253# - another hash ref
254 {} {}
2a37c5e7 255=! {} {1 => 2}
0d863452 256 {1 => 2} {1 => 2}
257 {1 => 2} {1 => 3}
031a44ed 258=! {1 => 2} {2 => 3}
259= \%main:: {map {$_ => 'x'} keys %main::}
0d863452 260
261# - tied hash ref
2522c35a 262= \%hash \%tied_hash
0d863452 263 \%tied_hash \%tied_hash
031a44ed 264!= {"a"=>"b"} \%tied_hash
265= %hash %tied_hash
266 %tied_hash %tied_hash
267!= {"a"=>"b"} %tied_hash
b15feb55 268 $ov_obj %refh
269! "$ov_obj" %refh
270 [$ov_obj] %refh
271! ["$ov_obj"] %refh
272 %refh %refh
0d863452 273
274# - an array ref
031a44ed 275# (since this is symmetrical, tests as well hash~~array)
276= [keys %main::] \%::
277= [qw[STDIN STDOUT]] \%::
278=! [] \%::
279=! [""] {}
280=! [] {}
281=! @empty {}
282= [undef] {"" => 1}
283= [""] {"" => 1}
284= ["foo"] { foo => 1 }
285= ["foo", "bar"] { foo => 1 }
286= ["foo", "bar"] \%hash
287= ["foo"] \%hash
288=! ["quux"] \%hash
289= [qw(foo quux)] \%hash
290= @fooormore { foo => 1, or => 2, more => 3 }
291= @fooormore %fooormore
292= @fooormore \%fooormore
293= \@fooormore %fooormore
0d863452 294
295# - a regex
ea0c2dbd 296= qr/^(fo[ox])$/ {foo => 1}
297= /^(fo[ox])$/ %fooormore
031a44ed 298=! qr/[13579]$/ +{0..99}
ea0c2dbd 299=! qr/a*/ {}
031a44ed 300= qr/a*/ {b=>2}
ea0c2dbd 301= qr/B/i {b=>2}
302= /B/i {b=>2}
303=! qr/a+/ {b=>2}
304= qr/^à/ {"à"=>2}
0d863452 305
031a44ed 306# - a scalar
2e0e16c9 307 "foo" +{foo => 1, bar => 2}
031a44ed 308 "foo" %fooormore
2e0e16c9 309! "baz" +{foo => 1, bar => 2}
031a44ed 310! "boz" %fooormore
311! 1 +{foo => 1, bar => 2}
312! 1 %fooormore
313 1 { 1 => 3 }
314 1.0 { 1 => 3 }
315! "1.0" { 1 => 3 }
316! "1.0" { 1.0 => 3 }
317 "1.0" { "1.0" => 3 }
318 "à" { "à" => "À" }
0d863452 319
61a621c6 320# - undef
2522c35a 321! undef { hop => 'zouu' }
61a621c6 322! undef %hash
323! undef +{"" => "empty key"}
2a37c5e7 324! undef {}
0d863452 325
326# ARRAY ref against:
327# - another array ref
1cfb7049 328 [] []
2522c35a 329=! [] [1]
ea0c2dbd 330 [["foo"], ["bar"]] [qr/o/, qr/a/]
331! [["foo"], ["bar"]] [qr/ARRAY/, qr/ARRAY/]
0d863452 332 ["foo", "bar"] [qr/o/, qr/a/]
031a44ed 333! [qr/o/, qr/a/] ["foo", "bar"]
2522c35a 334 ["foo", "bar"] [["foo"], ["bar"]]
71b0fb34 335! ["foo", "bar"] [qr/o/, "foo"]
2522c35a 336 ["foo", undef, "bar"] [qr/o/, undef, "bar"]
337 ["foo", undef, "bar"] [qr/o/, "", "bar"]
338! ["foo", "", "bar"] [qr/o/, undef, "bar"]
1cfb7049 339 $deep1 $deep1
031a44ed 340 @$deep1 @$deep1
1cfb7049 341! $deep1 $deep2
0d863452 342
031a44ed 343= \@nums \@tied_nums
344= @nums \@tied_nums
345= \@nums @tied_nums
346= @nums @tied_nums
347
d0b243e3 348# - an object
349! $obj @fooormore
41e726ac 350 $obj [sub{ref shift}]
d0b243e3 351
0d863452 352# - a regex
ea0c2dbd 353= qr/x/ [qw(foo bar baz quux)]
354=! qr/y/ [qw(foo bar baz quux)]
355= /x/ [qw(foo bar baz quux)]
356=! /y/ [qw(foo bar baz quux)]
357= /FOO/i @fooormore
358=! /bar/ @fooormore
0d863452 359
360# - a number
015eb7b9 361 2 [qw(1.00 2.00)]
b0138e99 362 2 [qw(foo 2)]
363 2.0_0e+0 [qw(foo 2)]
364! 2 [qw(1foo bar2)]
0d863452 365
366# - a string
b0138e99 367! "2" [qw(1foo 2bar)]
368 "2bar" [qw(1foo 2bar)]
0d863452 369
015eb7b9 370# - undef
371 undef [1, 2, undef, 4]
372! undef [1, 2, [undef], 4]
373! undef @fooormore
374 undef @sparse
375
376# - nested arrays and ~~ distributivity
377 11 [[11]]
378! 11 [[12]]
379 "foo" [{foo => "bar"}]
380! "bar" [{foo => "bar"}]
381
0d863452 382# Number against number
383 2 2
33ed63a2 384 20 2_0
0d863452 385! 2 3
18d11902 386 0 FALSE
387 3-2 TRUE
33ed63a2 388 undef 0
0d863452 389
390# Number against string
33ed63a2 391= 2 "2"
392= 2 "2.0"
0d863452 393! 2 "2bananas"
289d21b2 394!= 2_3 "2_3" NOWARNINGS
18d11902 395 FALSE "0"
0d863452 396
397# Regex against string
a566f585 398 "x" qr/x/
399! "x" qr/y/
0d863452 400
401# Regex against number
402 12345 qr/3/
2522c35a 403! 12345 qr/7/
0d863452 404
031a44ed 405# array/hash against string
d444f7e3 406 @fooormore "".\@fooormore
407! @keyandmore "".\@fooormore
408 %fooormore "".\%fooormore
409! %keyandmore "".\%fooormore
f1bef09e 410
0d863452 411# Test the implicit referencing
b0138e99 412 7 @nums
0d863452 413 @nums \@nums
414! @nums \\@nums
415 @nums [1..10]
416! @nums [0..9]
417
2e0e16c9 418 "foo" %hash
419 /bar/ %hash
420 [qw(bar)] %hash
421! [qw(a b c)] %hash
71b0fb34 422 %hash %hash
fceebc47 423 %hash +{%hash}
73aec0b1 424 %hash \%hash
71b0fb34 425 %hash %tied_hash
426 %tied_hash %tied_hash
427 %hash { foo => 5, bar => 10 }
428! %hash { foo => 5, bar => 10, quux => 15 }
429
430 @nums { 1, '', 2, '' }
431 @nums { 1, '', 12, '' }
432! @nums { 11, '', 12, '' }