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Revert change 23843.
[perl5.git] / t / comp / require.t
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1#!./perl
2
3BEGIN {
4 chdir 't' if -d 't';
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5 @INC = '.';
6 push @INC, '../lib';
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7}
8
9# don't make this lexical
10$i = 1;
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11
12my $Is_EBCDIC = (ord('A') == 193) ? 1 : 0;
8a220075 13my $Is_UTF8 = (${^OPEN} || "") =~ /:utf8/;
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14my $total_tests = 44;
15if ($Is_EBCDIC || $Is_UTF8) { $total_tests = 41; }
d2f5bb60 16print "1..$total_tests\n";
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17
18sub do_require {
19 %INC = ();
4a9ae47a 20 write_file('bleah.pm',@_);
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21 eval { require "bleah.pm" };
22 my @a; # magic guard for scope violations (must be first lexical in file)
23}
24
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25sub write_file {
26 my $f = shift;
27 open(REQ,">$f") or die "Can't write '$f': $!";
9f82a649 28 binmode REQ;
7d59b7e4 29 use bytes;
4a9ae47a 30 print REQ @_;
d1e4d418 31 close REQ or die "Could not close $f: $!";
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32}
33
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34eval {require 5.005};
35print "# $@\nnot " if $@;
36print "ok ",$i++,"\n";
37
38eval { require 5.005 };
39print "# $@\nnot " if $@;
40print "ok ",$i++,"\n";
41
42eval { require 5.005; };
43print "# $@\nnot " if $@;
44print "ok ",$i++,"\n";
45
46eval {
47 require 5.005
48};
49print "# $@\nnot " if $@;
50print "ok ",$i++,"\n";
51
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52# new style version numbers
53
54eval { require v5.5.630; };
55print "# $@\nnot " if $@;
56print "ok ",$i++,"\n";
57
dd629d5b 58eval { require 10.0.2; };
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59print "# $@\nnot " unless $@ =~ /^Perl v10\.0\.2 required/;
60print "ok ",$i++,"\n";
61
62eval q{ use v5.5.630; };
63print "# $@\nnot " if $@;
64print "ok ",$i++,"\n";
65
dd629d5b 66eval q{ use 10.0.2; };
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67print "# $@\nnot " unless $@ =~ /^Perl v10\.0\.2 required/;
68print "ok ",$i++,"\n";
69
44dcb63b 70my $ver = 5.005_63;
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71eval { require $ver; };
72print "# $@\nnot " if $@;
73print "ok ",$i++,"\n";
74
44dcb63b 75# check inaccurate fp
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76$ver = 10.2;
77eval { require $ver; };
d7aa5382 78print "# $@\nnot " unless $@ =~ /^Perl v10\.200 required/;
dbe7b177 79print "ok ",$i++,"\n";
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80
81$ver = 10.000_02;
a7cb1f99 82eval { require $ver; };
44dcb63b 83print "# $@\nnot " unless $@ =~ /^Perl v10\.0\.20 required/;
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84print "ok ",$i++,"\n";
85
dd629d5b 86print "not " unless 5.5.1 gt v5.5;
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87print "ok ",$i++,"\n";
88
a7cb1f99 89{
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90 print "not " unless v5.5.640 eq "\x{5}\x{5}\x{280}";
91 print "ok ",$i++,"\n";
92
93 print "not " unless v7.15 eq "\x{7}\x{f}";
94 print "ok ",$i++,"\n";
95
96 print "not "
97 unless v1.20.300.4000.50000.600000 eq "\x{1}\x{14}\x{12c}\x{fa0}\x{c350}\x{927c0}";
98 print "ok ",$i++,"\n";
99}
100
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101# interaction with pod (see the eof)
102write_file('bleah.pm', "print 'ok $i\n'; 1;\n");
103require "bleah.pm";
104$i++;
105
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106# run-time failure in require
107do_require "0;\n";
108print "# $@\nnot " unless $@ =~ /did not return a true/;
109print "ok ",$i++,"\n";
110
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111print "not " if exists $INC{'bleah.pm'};
112print "ok ",$i++,"\n";
113
114my $flag_file = 'bleah.flg';
115# run-time error in require
116for my $expected_compile (1,0) {
117 write_file($flag_file, 1);
118 print "not " unless -e $flag_file;
119 print "ok ",$i++,"\n";
120 write_file('bleah.pm', "unlink '$flag_file' or die; \$a=0; \$b=1/\$a; 1;\n");
121 print "# $@\nnot " if eval { require 'bleah.pm' };
122 print "ok ",$i++,"\n";
123 print "not " unless -e $flag_file xor $expected_compile;
124 print "ok ",$i++,"\n";
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125 print "not " unless exists $INC{'bleah.pm'};
126 print "ok ",$i++,"\n";
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127}
128
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129# compile-time failure in require
130do_require "1)\n";
f0ec1f9a 131# bison says 'parse error' instead of 'syntax error',
d91e2bdb 132# various yaccs may or may not capitalize 'syntax'.
f0ec1f9a 133print "# $@\nnot " unless $@ =~ /(syntax|parse) error/mi;
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134print "ok ",$i++,"\n";
135
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136# previous failure cached in %INC
137print "not " unless exists $INC{'bleah.pm'};
138print "ok ",$i++,"\n";
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139write_file($flag_file, 1);
140write_file('bleah.pm', "unlink '$flag_file'; 1");
141print "# $@\nnot " if eval { require 'bleah.pm' };
142print "ok ",$i++,"\n";
143print "# $@\nnot " unless $@ =~ /Compilation failed/i;
144print "ok ",$i++,"\n";
145print "not " unless -e $flag_file;
146print "ok ",$i++,"\n";
27bcc0a7 147print "not " unless exists $INC{'bleah.pm'};
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148print "ok ",$i++,"\n";
149
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150# successful require
151do_require "1";
152print "# $@\nnot " if $@;
153print "ok ",$i++,"\n";
154
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155# do FILE shouldn't see any outside lexicals
156my $x = "ok $i\n";
157write_file("bleah.do", <<EOT);
158\$x = "not ok $i\\n";
159EOT
160do "bleah.do";
161dofile();
162sub dofile { do "bleah.do"; };
163print $x;
faa7e5bb 164
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165# Test that scalar context is forced for require
166
167write_file('bleah.pm', <<'**BLEAH**'
168print "not " if !defined wantarray || wantarray ne '';
0c58d367 169print "ok $i - require() context\n";
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1701;
171**BLEAH**
172);
173 delete $INC{"bleah.pm"}; ++$::i;
174$foo = eval q{require bleah}; delete $INC{"bleah.pm"}; ++$::i;
175@foo = eval q{require bleah}; delete $INC{"bleah.pm"}; ++$::i;
176 eval q{require bleah}; delete $INC{"bleah.pm"}; ++$::i;
0c58d367 177 eval q{$_=$_+2;require bleah}; delete $INC{"bleah.pm"}; ++$::i;
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178$foo = eval {require bleah}; delete $INC{"bleah.pm"}; ++$::i;
179@foo = eval {require bleah}; delete $INC{"bleah.pm"}; ++$::i;
180 eval {require bleah};
181
8a220075 182# UTF-encoded things - skipped on EBCDIC machines and on UTF-8 input
d2f5bb60 183
8a220075 184if ($Is_EBCDIC || $Is_UTF8) { exit; }
d2f5bb60 185
b250498f 186my $utf8 = chr(0xFEFF);
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187
188$i++; do_require(qq(${utf8}print "ok $i\n"; 1;\n));
189
190sub bytes_to_utf16 {
191 my $utf16 = pack("$_[0]*", unpack("C*", $_[1]));
7d59b7e4 192 return @_ == 3 && $_[2] ? pack("$_[0]", 0xFEFF) . $utf16 : $utf16;
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193}
194
195$i++; do_require(bytes_to_utf16('n', qq(print "ok $i\\n"; 1;\n), 1)); # BE
196$i++; do_require(bytes_to_utf16('v', qq(print "ok $i\\n"; 1;\n), 1)); # LE
b250498f 197
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198END {
199 1 while unlink 'bleah.pm';
200 1 while unlink 'bleah.do';
201 1 while unlink 'bleah.flg';
202}
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203
204# ***interaction with pod (don't put any thing after here)***
205
206=pod