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config_H being the last part of my mkglossary work
[perl5.git] / ext / XS / APItest / t / hash.t
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1#!perl -w
2
3BEGIN {
4 chdir 't' if -d 't';
5 @INC = '../lib';
6 push @INC, "::lib:$MacPerl::Architecture:" if $^O eq 'MacOS';
7 require Config; import Config;
8 if ($Config{'extensions'} !~ /\bXS\/APItest\b/) {
9 # Look, I'm using this fully-qualified variable more than once!
10 my $arch = $MacPerl::Architecture;
11 print "1..0 # Skip: XS::APItest was not built\n";
12 exit 0;
13 }
14}
15
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16use strict;
17use utf8;
0314122a 18use Tie::Hash;
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19use Test::More 'no_plan';
20
21use_ok('XS::APItest');
0314122a 22
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23sub preform_test;
24sub test_present;
25sub test_absent;
26sub test_delete_present;
27sub test_delete_absent;
28sub brute_force_exists;
29sub test_store;
30sub test_fetch_present;
31sub test_fetch_absent;
0314122a 32
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33my $utf8_for_258 = chr 258;
34utf8::encode $utf8_for_258;
0314122a 35
3128e575 36my @testkeys = ('N', chr 198, chr 256);
b60cf05a 37my @keys = (@testkeys, $utf8_for_258);
0314122a 38
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39foreach (@keys) {
40 utf8::downgrade $_, 1;
41}
42main_tests (\@keys, \@testkeys, '');
0314122a 43
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44foreach (@keys) {
45 utf8::upgrade $_;
46}
47main_tests (\@keys, \@testkeys, ' [utf8 hash]');
0314122a 48
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49{
50 my %h = (a=>'cheat');
51 tie %h, 'Tie::StdHash';
1baaf5d7 52 is (XS::APItest::Hash::store(\%h, chr 258, 1), undef);
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53
54 ok (!exists $h{$utf8_for_258},
55 "hv_store doesn't insert a key with the raw utf8 on a tied hash");
56}
0314122a 57
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58{
59 my $strtab = strtab();
60 is (ref $strtab, 'HASH', "The shared string table quacks like a hash");
8ca60cef 61 my $wibble = "\0";
5d2b1485 62 eval {
8ca60cef 63 $strtab->{$wibble}++;
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64 };
65 my $prefix = "Cannot modify shared string table in hv_";
66 my $what = $prefix . 'fetch';
67 like ($@, qr/^$what/,$what);
68 eval {
69 XS::APItest::Hash::store($strtab, 'Boom!', 1)
70 };
71 $what = $prefix . 'store';
72 like ($@, qr/^$what/, $what);
73 if (0) {
74 A::B->method();
75 }
76 # DESTROY should be in there.
77 eval {
78 delete $strtab->{DESTROY};
79 };
80 $what = $prefix . 'delete';
81 like ($@, qr/^$what/, $what);
82 # I can't work out how to get to the code that flips the wasutf8 flag on
83 # the hash key without some ikcy XS
84}
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85
86{
87 is_deeply([&XS::APItest::Hash::test_hv_free_ent], [2,2,1,1],
88 "hv_free_ent frees the value immediately");
89 is_deeply([&XS::APItest::Hash::test_hv_delayfree_ent], [2,2,2,1],
90 "hv_delayfree_ent keeps the value around until FREETMPS");
91}
3128e575 92exit;
0314122a 93
3128e575 94################################ The End ################################
0314122a 95
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96sub main_tests {
97 my ($keys, $testkeys, $description) = @_;
98 foreach my $key (@$testkeys) {
99 my $lckey = ($key eq chr 198) ? chr 230 : lc $key;
100 my $unikey = $key;
101 utf8::encode $unikey;
0314122a 102
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103 utf8::downgrade $key, 1;
104 utf8::downgrade $lckey, 1;
105 utf8::downgrade $unikey, 1;
106 main_test_inner ($key, $lckey, $unikey, $keys, $description);
0314122a 107
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108 utf8::upgrade $key;
109 utf8::upgrade $lckey;
110 utf8::upgrade $unikey;
111 main_test_inner ($key, $lckey, $unikey, $keys,
112 $description . ' [key utf8 on]');
113 }
0314122a 114
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115 # hv_exists was buggy for tied hashes, in that the raw utf8 key was being
116 # used - the utf8 flag was being lost.
117 perform_test (\&test_absent, (chr 258), $keys, '');
0314122a 118
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119 perform_test (\&test_fetch_absent, (chr 258), $keys, '');
120 perform_test (\&test_delete_absent, (chr 258), $keys, '');
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121}
122
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123sub main_test_inner {
124 my ($key, $lckey, $unikey, $keys, $description) = @_;
125 perform_test (\&test_present, $key, $keys, $description);
126 perform_test (\&test_fetch_present, $key, $keys, $description);
127 perform_test (\&test_delete_present, $key, $keys, $description);
b60cf05a 128
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129 perform_test (\&test_store, $key, $keys, $description, [a=>'cheat']);
130 perform_test (\&test_store, $key, $keys, $description, []);
b60cf05a 131
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132 perform_test (\&test_absent, $lckey, $keys, $description);
133 perform_test (\&test_fetch_absent, $lckey, $keys, $description);
134 perform_test (\&test_delete_absent, $lckey, $keys, $description);
b60cf05a 135
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136 return if $unikey eq $key;
137
138 perform_test (\&test_absent, $unikey, $keys, $description);
139 perform_test (\&test_fetch_absent, $unikey, $keys, $description);
140 perform_test (\&test_delete_absent, $unikey, $keys, $description);
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141}
142
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143sub perform_test {
144 my ($test_sub, $key, $keys, $message, @other) = @_;
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145 my $printable = join ',', map {ord} split //, $key;
146
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147 my (%hash, %tiehash);
148 tie %tiehash, 'Tie::StdHash';
b60cf05a 149
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150 @hash{@$keys} = @$keys;
151 @tiehash{@$keys} = @$keys;
b60cf05a 152
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153 &$test_sub (\%hash, $key, $printable, $message, @other);
154 &$test_sub (\%tiehash, $key, $printable, "$message tie", @other);
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155}
156
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157sub test_present {
158 my ($hash, $key, $printable, $message) = @_;
159
160 ok (exists $hash->{$key}, "hv_exists_ent present$message $printable");
161 ok (XS::APItest::Hash::exists ($hash, $key),
162 "hv_exists present$message $printable");
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163}
164
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165sub test_absent {
166 my ($hash, $key, $printable, $message) = @_;
858117f8 167
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168 ok (!exists $hash->{$key}, "hv_exists_ent absent$message $printable");
169 ok (!XS::APItest::Hash::exists ($hash, $key),
170 "hv_exists absent$message $printable");
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171}
172
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173sub test_delete_present {
174 my ($hash, $key, $printable, $message) = @_;
b60cf05a 175
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176 my $copy = {};
177 my $class = tied %$hash;
178 if (defined $class) {
179 tie %$copy, ref $class;
180 }
181 $copy = {%$hash};
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182 ok (brute_force_exists ($copy, $key),
183 "hv_delete_ent present$message $printable");
3128e575 184 is (delete $copy->{$key}, $key, "hv_delete_ent present$message $printable");
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185 ok (!brute_force_exists ($copy, $key),
186 "hv_delete_ent present$message $printable");
3128e575 187 $copy = {%$hash};
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188 ok (brute_force_exists ($copy, $key),
189 "hv_delete present$message $printable");
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190 is (XS::APItest::Hash::delete ($copy, $key), $key,
191 "hv_delete present$message $printable");
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192 ok (!brute_force_exists ($copy, $key),
193 "hv_delete present$message $printable");
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194}
195
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196sub test_delete_absent {
197 my ($hash, $key, $printable, $message) = @_;
b60cf05a 198
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199 my $copy = {};
200 my $class = tied %$hash;
201 if (defined $class) {
202 tie %$copy, ref $class;
203 }
204 $copy = {%$hash};
205 is (delete $copy->{$key}, undef, "hv_delete_ent absent$message $printable");
206 $copy = {%$hash};
207 is (XS::APItest::Hash::delete ($copy, $key), undef,
208 "hv_delete absent$message $printable");
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209}
210
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211sub test_store {
212 my ($hash, $key, $printable, $message, $defaults) = @_;
213 my $HV_STORE_IS_CRAZY = 1;
b60cf05a 214
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215 # We are cheating - hv_store returns NULL for a store into an empty
216 # tied hash. This isn't helpful here.
0314122a 217
3128e575 218 my $class = tied %$hash;
0314122a 219
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220 my %h1 = @$defaults;
221 my %h2 = @$defaults;
222 if (defined $class) {
223 tie %h1, ref $class;
224 tie %h2, ref $class;
1baaf5d7 225 $HV_STORE_IS_CRAZY = undef;
3128e575 226 }
1baaf5d7 227 is (XS::APItest::Hash::store_ent(\%h1, $key, 1), $HV_STORE_IS_CRAZY,
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228 "hv_store_ent$message $printable");
229 ok (brute_force_exists (\%h1, $key), "hv_store_ent$message $printable");
230 is (XS::APItest::Hash::store(\%h2, $key, 1), $HV_STORE_IS_CRAZY,
231 "hv_store$message $printable");
232 ok (brute_force_exists (\%h2, $key), "hv_store$message $printable");
233}
0314122a 234
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235sub test_fetch_present {
236 my ($hash, $key, $printable, $message) = @_;
b60cf05a 237
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238 is ($hash->{$key}, $key, "hv_fetch_ent present$message $printable");
239 is (XS::APItest::Hash::fetch ($hash, $key), $key,
240 "hv_fetch present$message $printable");
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241}
242
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243sub test_fetch_absent {
244 my ($hash, $key, $printable, $message) = @_;
b60cf05a 245
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246 is ($hash->{$key}, undef, "hv_fetch_ent absent$message $printable");
247 is (XS::APItest::Hash::fetch ($hash, $key), undef,
248 "hv_fetch absent$message $printable");
249}
b60cf05a 250
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251sub brute_force_exists {
252 my ($hash, $key) = @_;
253 foreach (keys %$hash) {
254 return 1 if $key eq $_;
255 }
256 return 0;
b60cf05a 257}