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[perl5.git] / lib / Config.t
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6aee8cc4 1#!./perl -w
a48f8c77 2
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3BEGIN {
4 chdir 't' if -d 't';
5 @INC = '../lib';
6 require "./test.pl";
41aba5b7 7
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8 plan ('no_plan');
9
10 use_ok('Config');
11}
41aba5b7 12
6aee8cc4 13use strict;
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14
15# Some (safe?) bets.
16
484fdf61 17ok(keys %Config > 500, "Config has more than 500 entries");
41aba5b7 18
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19my ($first) = Config::config_sh() =~ /^(\S+)=/m;
20die "Can't find first entry in Config::config_sh()" unless defined $first;
21print "# First entry is '$first'\n";
22
23# It happens that the we know what the first key should be. This is somewhat
24# cheating, but there was briefly a bug where the key got a bonus newline.
25my ($first_each) = each %Config;
26is($first_each, $first, "First key from each is correct");
27ok(exists($Config{$first_each}), "First key exists");
28ok(!exists($Config{"\n$first"}),
29 "Check that first key with prepended newline isn't falsely existing");
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30
31is($Config{PERL_REVISION}, 5, "PERL_REVISION is 5");
32
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33# Check that old config variable names are aliased to their new ones.
34my %grandfathers = ( PERL_VERSION => 'PATCHLEVEL',
35 PERL_SUBVERSION => 'SUBVERSION',
36 PERL_CONFIG_SH => 'CONFIG'
37 );
38while( my($new, $old) = each %grandfathers ) {
39 isnt($Config{$new}, undef, "$new is defined");
40 is($Config{$new}, $Config{$old}, "$new is aliased to $old");
41}
42
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43ok( exists $Config{cc}, "has cc");
44
45ok( exists $Config{ccflags}, "has ccflags");
46
47ok(!exists $Config{python}, "has no python");
48
49ok( exists $Config{d_fork}, "has d_fork");
50
51ok(!exists $Config{d_bork}, "has no d_bork");
52
9829f96e 53like($Config{ivsize}, qr/^(4|8)$/, "ivsize is 4 or 8 (it is $Config{ivsize})");
7956ade2 54
8d871aab 55# byteorder is virtual, but it has rules.
41aba5b7 56
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57like($Config{byteorder}, qr/^(1234|4321|12345678|87654321)$/,
58 "byteorder is 1234 or 4321 or 12345678 or 87654321 "
59 . "(it is $Config{byteorder})");
41aba5b7 60
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61is(length $Config{byteorder}, $Config{ivsize},
62 "byteorder is as long as ivsize (which is $Config{ivsize})");
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63
64# ccflags_nolargefiles is virtual, too.
65
66ok(exists $Config{ccflags_nolargefiles}, "has ccflags_nolargefiles");
67
68# Utility functions.
69
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70{
71 # make sure we can export what we say we can export.
72 package Foo;
73 my @exports = qw(myconfig config_sh config_vars config_re);
74 Config->import(@exports);
75 foreach my $func (@exports) {
76 ::ok( __PACKAGE__->can($func), "$func exported" );
77 }
6664971e 78}
41aba5b7 79
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80like(Config::myconfig(), qr/osname=\Q$Config{osname}\E/, "myconfig");
81like(Config::config_sh(), qr/osname='\Q$Config{osname}\E'/, "config_sh");
82like(Config::config_sh(), qr/byteorder='[1-8]+'/,
83 "config_sh has a valid byteorder");
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84foreach my $line (Config::config_re('c.*')) {
85 like($line, qr/^c.*?=.*$/, 'config_re' );
86}
a48f8c77 87
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88my $out = tie *STDOUT, 'FakeOut';
89
307dc113 90Config::config_vars('cc'); # non-regex test of essential cfg-var
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91my $out1 = $$out;
92$out->clear;
93
307dc113 94Config::config_vars('d_bork'); # non-regex, non-existent cfg-var
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95my $out2 = $$out;
96$out->clear;
97
307dc113 98Config::config_vars('PERL_API_.*'); # regex, tagged multi-line answer
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99my $out3 = $$out;
100$out->clear;
101
307dc113 102Config::config_vars('PERL_API_.*:'); # regex, tagged single-line answer
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103my $out4 = $$out;
104$out->clear;
41aba5b7 105
307dc113 106Config::config_vars(':PERL_API_.*:'); # regex, non-tagged single-line answer
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107my $out5 = $$out;
108$out->clear;
109
307dc113 110Config::config_vars(':PERL_API_.*'); # regex, non-tagged multi-line answer
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111my $out6 = $$out;
112$out->clear;
113
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114Config::config_vars('PERL_API_REVISION.*:'); # regex, tagged
115my $out7 = $$out;
116$out->clear;
117
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118# regex, non-tagged multi-line answer
119Config::config_vars(':PERL_API_REVISION.*');
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120my $out8 = $$out;
121$out->clear;
122
123Config::config_vars('PERL_EXPENSIVE_.*:'); # non-matching regex
124my $out9 = $$out;
125$out->clear;
126
127Config::config_vars('?flags'); # bogus regex, no explicit warning !
128my $out10 = $$out;
129$out->clear;
130
6aee8cc4 131undef $out;
4a305f6a 132untie *STDOUT;
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133
134like($out1, qr/^cc='\Q$Config{cc}\E';/, "found config_var cc");
135like($out2, qr/^d_bork='UNKNOWN';/, "config_var d_bork is UNKNOWN");
136
137# test for leading, trailing colon effects
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138# Split in scalar context it deprecated, and will warn.
139my @tmp;
140is(scalar (@tmp = split(/;\n/, $out3)), 3, "3 lines found");
141is(scalar (@tmp = split(/;\n/, $out6)), 3, "3 lines found");
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142
143is($out4 =~ /(;\n)/s, '', "trailing colon gives 1-line response: $out4");
144is($out5 =~ /(;\n)/s, '', "trailing colon gives 1-line response: $out5");
145
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146is(scalar (@tmp = split(/=/, $out3)), 4, "found 'tag='");
147is(scalar (@tmp = split(/=/, $out4)), 4, "found 'tag='");
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148
149my @api;
150
151my @rev = @Config{qw(PERL_API_REVISION PERL_API_VERSION PERL_API_SUBVERSION)};
152
153print ("# test tagged responses, multi-line and single-line\n");
6aee8cc4 154foreach my $api ($out3, $out4) {
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155 @api = $api =~ /PERL_API_(\w+)=(.*?)(?:;\n|\s)/mg;
156 is($api[0], "REVISION", "REVISION tag");
157 is($api[4], "VERSION", "VERSION tag");
158 is($api[2], "SUBVERSION", "SUBVERSION tag");
159 is($api[1], "'$rev[0]'", "REVISION is $rev[0]");
160 is($api[5], "'$rev[1]'", "VERSION is $rev[1]");
161 is($api[3], "'$rev[2]'", "SUBVERSION is $rev[2]");
162}
163
164print("# test non-tagged responses, multi-line and single-line\n");
6aee8cc4 165foreach my $api ($out5, $out6) {
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166 @api = split /(?: |;\n)/, $api;
167 is($api[0], "'$rev[0]'", "revision is $rev[0]");
168 is($api[2], "'$rev[1]'", "version is $rev[1]");
169 is($api[1], "'$rev[2]'", "subversion is $rev[2]");
170}
171
172# compare to each other, the outputs for trailing, leading colon
173$out7 =~ s/ $//;
174is("$out7;\n", "PERL_API_REVISION=$out8", "got expected diffs");
175
176like($out9, qr/\bnot\s+found\b/, "$out9 - perl is FREE !");
177like($out10, qr/\bnot\s+found\b/, "config_vars with invalid regexp");
0c6e7072 178
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179# Read-only.
180
7956ade2 181undef $@;
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182eval { $Config{d_bork} = 'borkbork' };
183like($@, qr/Config is read-only/, "no STORE");
184
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185ok(!exists $Config{d_bork}, "still no d_bork");
186
187undef $@;
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188eval { delete $Config{d_fork} };
189like($@, qr/Config is read-only/, "no DELETE");
190
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191ok( exists $Config{d_fork}, "still d_fork");
192
193undef $@;
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194eval { %Config = () };
195like($@, qr/Config is read-only/, "no CLEAR");
196
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197ok( exists $Config{d_fork}, "still d_fork");
198
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199{
200 package FakeOut;
41aba5b7 201
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202 sub TIEHANDLE {
203 bless(\(my $text), $_[0]);
204 }
41aba5b7 205
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206 sub clear {
207 ${ $_[0] } = '';
208 }
41aba5b7 209
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210 sub PRINT {
211 my $self = shift;
212 $$self .= join('', @_);
213 }
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214}
215
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216# Signal-related variables
217# (this is actually a regression test for Configure.)
218
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219is($Config{sig_num_init} =~ tr/,/,/, $Config{sig_size}, "sig_num_init size");
220is($Config{sig_name_init} =~ tr/,/,/, $Config{sig_size}, "sig_name_init size");
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221
222# Test the troublesome virtual stuff
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223my @virtual = qw(byteorder ccflags_nolargefiles ldflags_nolargefiles
224 libs_nolargefiles libswanted_nolargefiles);
a644ec48 225
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226# Also test that the first entry in config.sh is found correctly. There was
227# special casing code for this
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228
229foreach my $pain ($first, @virtual) {
a644ec48 230 # No config var is named with anything that is a regexp metachar
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231 ok(exists $Config{$pain}, "\$config('$pain') exists");
232
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233 my @result = $Config{$pain};
234 is (scalar @result, 1, "single result for \$config('$pain')");
235
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236 @result = Config::config_re($pain);
237 is (scalar @result, 1, "single result for config_re('$pain')");
375b6f9c 238 like ($result[0], qr/^$pain=(['"])\Q$Config{$pain}\E\1$/, # grr '
06482b90 239 "which is the expected result for $pain");
8468119f 240}
e9a5b206 241
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242# Check that config entries appear correctly in @INC
243# TestInit.pm has probably already messed with our @INC
87ad9899 244# This little bit of evil is to avoid a @ in the program, in case it confuses
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245# shell 1 liners. We used to use a perl 1-ism, until that was deprecated, so
246# now some octal in an eval.
5b8bd2c6 247my ($path, $ver, @orig_inc)
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248 = split /\n/,
249 runperl (nolib=>1,
af224ca8 250 prog=>'print qq{$_\n} foreach $^X, $], eval qq{\100INC}');
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251
252die "This perl is $] at $^X; other perl is $ver (at $path) "
253 . '- failed to find this perl' unless $] eq $ver;
254
255my %orig_inc;
256@orig_inc{@orig_inc} = ();
257
258my $failed;
79cf6d14 259# This [used to be] the order that directories are pushed onto @INC in perl.c:
5b8bd2c6 260foreach my $lib (qw(applibexp archlibexp privlibexp sitearchexp sitelibexp
79cf6d14 261 vendorarchexp vendorlibexp)) {
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262 my $dir = $Config{$lib};
263 SKIP: {
d1888197 264 skip "lib $lib not in \@INC on Win32" if $^O eq 'MSWin32';
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265 skip "lib $lib not defined" unless defined $dir;
266 skip "lib $lib not set" unless length $dir;
267 # So we expect to find it in @INC
268
269 ok (exists $orig_inc{$dir}, "Expect $lib '$dir' to be in \@INC")
270 or $failed++;
271 }
272}
273_diag ('@INC is:', @orig_inc) if $failed;