3 # Tests for Perl run-time environment variable settings
5 # $PERL5OPT, $PERL5LIB, etc.
10 require Config; import Config;
11 unless ($Config{'d_fork'}) {
12 print "1..0 # Skip: no fork\n";
20 my $STDOUT = './results-0';
21 my $STDERR = './results-1';
22 my $PERL = $ENV{PERL} || './perl';
23 my $FAILURE_CODE = 119;
26 delete $ENV{PERL5LIB};
27 delete $ENV{PERL5OPT};
29 # Run perl with specified environment and arguments returns a list.
30 # First element is true if Perl's stdout and stderr match the
31 # supplied $stdout and $stderr argument strings exactly.
32 # second element is an explanation of the failure
35 my ($env, $args, $stdout, $stderr) = @_;
37 unshift @$args, '-I../lib';
39 $stdout = '' unless defined $stdout;
40 $stderr = '' unless defined $stderr;
43 delete $ENV{PERL5LIB};
44 delete $ENV{PERL5OPT};
46 return (0, "Couldn't fork: $!") unless defined $pid; # failure
48 my ($actual_stdout, $actual_stderr);
50 return (0, "Failure in child.\n") if ($?>>8) == $FAILURE_CODE;
52 open F, "< $STDOUT" or return (0, "Couldn't read $STDOUT file");
53 { local $/; $actual_stdout = <F> }
54 open F, "< $STDERR" or return (0, "Couldn't read $STDERR file");
55 { local $/; $actual_stderr = <F> }
57 if ($actual_stdout ne $stdout) {
58 return (0, "Stdout mismatch: expected [$stdout], saw [$actual_stdout]");
59 } elsif ($actual_stderr ne $stderr) {
60 return (0, "Stderr mismatch: expected [$stderr], saw [$actual_stderr]");
65 for my $k (keys %$env) {
66 $ENV{$k} = $env->{$k};
68 open STDOUT, "> $STDOUT" or exit $FAILURE_CODE;
69 open STDERR, "> $STDERR" or it_didnt_work();
70 { exec $PERL, @$args }
77 print STDOUT "IWHCWJIHCI\cNHJWCJQWKJQJWCQW\n";
82 my ($success, $reason) = runperl(@_);
83 $reason =~ s/\n/\\n/g if defined $reason;
84 local $::Level = $::Level + 1;
85 ok( $success, $reason );
88 # PERL5OPT Command-line options (switches). Switches in
89 # this variable are taken as if they were on
90 # every Perl command line. Only the -[DIMUdmtw]
91 # switches are allowed. When running taint
92 # checks (because the program was running setuid
93 # or setgid, or the -T switch was used), this
94 # variable is ignored. If PERL5OPT begins with
95 # -T, tainting will be enabled, and any
96 # subsequent options ignored.
98 try({PERL5OPT => '-w'}, ['-e', 'print $::x'],
100 qq{Name "main::x" used only once: possible typo at -e line 1.\nUse of uninitialized value \$x in print at -e line 1.\n});
102 try({PERL5OPT => '-Mstrict'}, ['-e', 'print $::x'],
105 try({PERL5OPT => '-Mstrict'}, ['-e', 'print $x'],
107 qq{Global symbol "\$x" requires explicit package name at -e line 1.\nExecution of -e aborted due to compilation errors.\n});
110 try({PERL5OPT => '-Mstrict -w'}, ['-e', 'print $x'],
112 qq{Global symbol "\$x" requires explicit package name at -e line 1.\nExecution of -e aborted due to compilation errors.\n});
115 try({PERL5OPT => '-w -Mstrict'}, ['-e', 'print $::x'],
118 Name "main::x" used only once: possible typo at -e line 1.
119 Use of uninitialized value \$x in print at -e line 1.
124 try({PERL5OPT => '-w -Mstrict'}, ['-e', 'print $::x'],
127 Name "main::x" used only once: possible typo at -e line 1.
128 Use of uninitialized value \$x in print at -e line 1.
132 try({PERL5OPT => '-MExporter'}, ['-e0'],
137 try({PERL5OPT => '-MExporter -MExporter'}, ['-e0'],
141 try({PERL5OPT => '-Mstrict -Mwarnings'},
142 ['-e', 'print "ok" if $INC{"strict.pm"} and $INC{"warnings.pm"}'],
146 try({PERL5OPT => '-w -w'},
147 ['-e', 'print $ENV{PERL5OPT}'],
151 try({PERL5OPT => '-t'},
152 ['-e', 'print ${^TAINT}'],
156 try({PERLLIB => "foobar$Config{path_sep}42"},
157 ['-e', 'print grep { $_ eq "foobar" } @INC'],
161 try({PERLLIB => "foobar$Config{path_sep}42"},
162 ['-e', 'print grep { $_ eq "42" } @INC'],
166 try({PERL5LIB => "foobar$Config{path_sep}42"},
167 ['-e', 'print grep { $_ eq "foobar" } @INC'],
171 try({PERL5LIB => "foobar$Config{path_sep}42"},
172 ['-e', 'print grep { $_ eq "42" } @INC'],
176 try({PERL5LIB => "foo",
178 ['-e', 'print grep { $_ eq "foo" } @INC'],
182 try({PERL5LIB => "foo",
184 ['-e', 'print grep { $_ eq "bar" } @INC'],
188 # PERL5LIB tests with included arch directories still missing
191 1 while unlink $STDOUT;
192 1 while unlink $STDERR;