1#!./perl -w
2
3BEGIN {
4    chdir 't' if -d 't';
5    @INC = '../lib';
6    require "./test.pl";
7
8    plan ('no_plan');
9
10    use_ok('Config');
11}
12
13use strict;
14
15# Some (safe?) bets.
16
17ok(keys %Config > 500, "Config has more than 500 entries");
18
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$first"}),
29   "Check that first key with prepended newline isn't falsely existing");
30
31is($Config{PERL_REVISION}, 5, "PERL_REVISION is 5");
32
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
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 $Config{d_bork},  "has no d_bork");
52
53like($Config{ivsize}, qr/^(4|8)$/, "ivsize is 4 or 8 (it is $Config{ivsize})");
54
55# byteorder is virtual, but it has rules.
56
57like($Config{byteorder}, qr/^(1234|4321|12345678|87654321)$/,
58     "byteorder is 1234 or 4321 or 12345678 or 87654321 "
59     . "(it is $Config{byteorder})");
60
61is(length $Config{byteorder}, $Config{ivsize},
62   "byteorder is as long as ivsize (which is $Config{ivsize})");
63
64# ccflags_nolargefiles is virtual, too.
65
66ok(exists $Config{ccflags_nolargefiles}, "has ccflags_nolargefiles");
67
68# Utility functions.
69
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), "$func exported" );
77    }
78}
79
80like(Config::myconfig(), qr/osname=\Q$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");
84foreach my $line (Config::config_re('c.*')) {
85  like($line,                  qr/^c.*?=.*$/,                   'config_re' );
86}
87
88my $out = tie *STDOUT, 'FakeOut';
89
90Config::config_vars('cc');	# non-regex test of essential cfg-var
91my $out1 = $$out;
92$out->clear;
93
94Config::config_vars('d_bork');	# non-regex, non-existent cfg-var
95my $out2 = $$out;
96$out->clear;
97
98Config::config_vars('PERL_API_.*');	# regex, tagged multi-line answer
99my $out3 = $$out;
100$out->clear;
101
102Config::config_vars('PERL_API_.*:');	# regex, tagged single-line answer
103my $out4 = $$out;
104$out->clear;
105
106Config::config_vars(':PERL_API_.*:');	# regex, non-tagged single-line answer
107my $out5 = $$out;
108$out->clear;
109
110Config::config_vars(':PERL_API_.*');	# regex, non-tagged multi-line answer
111my $out6 = $$out;
112$out->clear;
113
114Config::config_vars('PERL_API_REVISION.*:'); # regex, tagged
115my $out7 = $$out;
116$out->clear;
117
118# regex, non-tagged multi-line answer
119Config::config_vars(':PERL_API_REVISION.*');
120my $out8 = $$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
131undef $out;
132untie *STDOUT;
133
134like($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
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/, $out6)), 3, "3 lines found");
142
143is($out4 =~ /(;\n)/s, '', "trailing colon gives 1-line response: $out4");
144is($out5 =~ /(;\n)/s, '', "trailing colon gives 1-line response: $out5");
145
146is(scalar (@tmp = split(/=/, $out3)), 4, "found 'tag='");
147is(scalar (@tmp = split(/=/, $out4)), 4, "found 'tag='");
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");
154foreach my $api ($out3, $out4) {
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");
165foreach my $api ($out5, $out6) {
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");
178
179# Read-only.
180
181undef $@;
182eval { $Config{d_bork} = 'borkbork' };
183like($@, qr/Config is read-only/, "no STORE");
184
185ok(!exists $Config{d_bork}, "still no d_bork");
186
187undef $@;
188eval { delete $Config{d_fork} };
189like($@, qr/Config is read-only/, "no DELETE");
190
191ok( exists $Config{d_fork}, "still d_fork");
192
193undef $@;
194eval { %Config = () };
195like($@, qr/Config is read-only/, "no CLEAR");
196
197ok( exists $Config{d_fork}, "still d_fork");
198
199{
200    package FakeOut;
201
202    sub TIEHANDLE {
203	bless(\(my $text), $_[0]);
204    }
205
206    sub clear {
207	${ $_[0] } = '';
208    }
209
210    sub PRINT {
211	my $self = shift;
212	$$self .= join('', @_);
213    }
214}
215
216# Signal-related variables
217# (this is actually a regression test for Configure.)
218
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");
221
222# Test the troublesome virtual stuff
223my @virtual = qw(byteorder ccflags_nolargefiles ldflags_nolargefiles
224		 libs_nolargefiles libswanted_nolargefiles);
225
226# Also test that the first entry in config.sh is found correctly. There was
227# special casing code for this
228
229foreach my $pain ($first, @virtual) {
230  # No config var is named with anything that is a regexp metachar
231  ok(exists $Config{$pain}, "\$config('$pain') exists");
232
233  my @result = $Config{$pain};
234  is (scalar @result, 1, "single result for \$config('$pain')");
235
236  @result = Config::config_re($pain);
237  is (scalar @result, 1, "single result for config_re('$pain')");
238  like ($result[0], qr/^$pain=(['"])\Q$Config{$pain}\E\1$/, # grr '
239	"which is the expected result for $pain");
240}
241
242# Check that config entries appear correctly in @INC
243# TestInit.pm has probably already messed with our @INC
244# This little bit of evil is to avoid a @ in the program, in case it confuses
245# shell 1 liners. We used to use a perl 1-ism, until that was deprecated, so
246# now some octal in an eval.
247my ($path, $ver, @orig_inc)
248  = split /\n/,
249    runperl (nolib=>1,
250	     prog=>'print qq{$_\n} foreach $^X, $], eval qq{\100INC}');
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;
259# This [used to be] the order that directories are pushed onto @INC in perl.c:
260foreach my $lib (qw(applibexp archlibexp privlibexp sitearchexp sitelibexp
261		     vendorarchexp vendorlibexp)) {
262  my $dir = $Config{$lib};
263  SKIP: {
264    skip "lib $lib not in \@INC on Win32" if $^O eq 'MSWin32';
265    skip "lib $lib not in \@INC on os390" if $^O eq 'os390';
266    skip "lib $lib not defined" unless defined $dir;
267    skip "lib $lib not set" unless length $dir;
268    # May be in @INC in either Unix or VMS format on VMS.
269    if ($^O eq 'VMS' && !exists($orig_inc{$dir})) {
270        $dir = VMS::Filespec::unixify($dir);
271        $dir =~ s|/$||;
272    }
273    # So we expect to find it in @INC
274
275    ok (exists $orig_inc{$dir}, "Expect $lib '$dir' to be in \@INC")
276      or $failed++;
277  }
278}
279_diag ('@INC is:', @orig_inc) if $failed;
280