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1 | #!./perl |
2 | # |
3 | # Tests for Perl run-time environment variable settings |
4 | # |
5 | # $PERL5OPT, $PERL5LIB, etc. |
6 | |
7 | BEGIN { |
8 | chdir 't' if -d 't'; |
9 | @INC = '../lib'; |
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10 | require Config; import Config; |
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11 | unless ($Config{'d_fork'}) { |
12 | print "1..0 # Skip: no fork\n"; |
13 | exit 0; |
14 | } |
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15 | } |
16 | |
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17 | use Test; |
18 | |
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19 | plan tests => 17; |
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20 | |
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21 | my $STDOUT = './results-0'; |
22 | my $STDERR = './results-1'; |
23 | my $PERL = './perl'; |
24 | my $FAILURE_CODE = 119; |
25 | |
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26 | delete $ENV{PERLLIB}; |
27 | delete $ENV{PERL5LIB}; |
28 | delete $ENV{PERL5OPT}; |
29 | |
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30 | # Run perl with specified environment and arguments returns a list. |
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31 | # First element is true if Perl's stdout and stderr match the |
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32 | # supplied $stdout and $stderr argument strings exactly. |
33 | # second element is an explanation of the failure |
34 | sub runperl { |
35 | local *F; |
36 | my ($env, $args, $stdout, $stderr) = @_; |
37 | |
38 | unshift @$args, '-I../lib'; |
39 | |
40 | $stdout = '' unless defined $stdout; |
41 | $stderr = '' unless defined $stderr; |
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42 | local %ENV = %ENV; |
43 | delete $ENV{PERLLIB}; |
44 | delete $ENV{PERL5LIB}; |
45 | delete $ENV{PERL5OPT}; |
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46 | my $pid = fork; |
47 | return (0, "Couldn't fork: $!") unless defined $pid; # failure |
48 | if ($pid) { # parent |
49 | my ($actual_stdout, $actual_stderr); |
50 | wait; |
51 | return (0, "Failure in child.\n") if ($?>>8) == $FAILURE_CODE; |
52 | |
53 | open F, "< $STDOUT" or return (0, "Couldn't read $STDOUT file"); |
54 | { local $/; $actual_stdout = <F> } |
55 | open F, "< $STDERR" or return (0, "Couldn't read $STDERR file"); |
56 | { local $/; $actual_stderr = <F> } |
57 | |
58 | if ($actual_stdout ne $stdout) { |
59 | return (0, "Stdout mismatch: expected [$stdout], saw [$actual_stdout]"); |
60 | } elsif ($actual_stderr ne $stderr) { |
61 | return (0, "Stderr mismatch: expected [$stderr], saw [$actual_stderr]"); |
62 | } else { |
63 | return 1; # success |
64 | } |
65 | } else { # child |
66 | for my $k (keys %$env) { |
67 | $ENV{$k} = $env->{$k}; |
68 | } |
69 | open STDOUT, "> $STDOUT" or exit $FAILURE_CODE; |
70 | open STDERR, "> $STDERR" or it_didnt_work(); |
71 | { exec $PERL, @$args } |
72 | it_didnt_work(); |
73 | } |
74 | } |
75 | |
76 | |
77 | sub it_didnt_work { |
78 | print STDOUT "IWHCWJIHCI\cNHJWCJQWKJQJWCQW\n"; |
79 | exit $FAILURE_CODE; |
80 | } |
81 | |
82 | sub try { |
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83 | my ($success, $reason) = runperl(@_); |
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84 | $reason =~ s/\n/\\n/g if defined $reason; |
85 | ok( !!$success, 1, $reason ); |
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86 | } |
87 | |
88 | # PERL5OPT Command-line options (switches). Switches in |
89 | # this variable are taken as if they were on |
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90 | # every Perl command line. Only the -[DIMUdmtw] |
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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. |
97 | |
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98 | try({PERL5OPT => '-w'}, ['-e', 'print $::x'], |
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99 | "", |
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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}); |
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101 | |
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102 | try({PERL5OPT => '-Mstrict'}, ['-e', 'print $::x'], |
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103 | "", ""); |
104 | |
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105 | try({PERL5OPT => '-Mstrict'}, ['-e', 'print $x'], |
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106 | "", |
107 | qq{Global symbol "\$x" requires explicit package name at -e line 1.\nExecution of -e aborted due to compilation errors.\n}); |
108 | |
109 | # Fails in 5.6.0 |
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110 | try({PERL5OPT => '-Mstrict -w'}, ['-e', 'print $x'], |
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111 | "", |
112 | qq{Global symbol "\$x" requires explicit package name at -e line 1.\nExecution of -e aborted due to compilation errors.\n}); |
113 | |
114 | # Fails in 5.6.0 |
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115 | try({PERL5OPT => '-w -Mstrict'}, ['-e', 'print $::x'], |
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116 | "", |
117 | <<ERROR |
118 | Name "main::x" used only once: possible typo at -e line 1. |
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119 | Use of uninitialized value \$x in print at -e line 1. |
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120 | ERROR |
121 | ); |
122 | |
123 | # Fails in 5.6.0 |
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124 | try({PERL5OPT => '-w -Mstrict'}, ['-e', 'print $::x'], |
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125 | "", |
126 | <<ERROR |
127 | Name "main::x" used only once: possible typo at -e line 1. |
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128 | Use of uninitialized value \$x in print at -e line 1. |
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129 | ERROR |
130 | ); |
131 | |
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132 | try({PERL5OPT => '-MExporter'}, ['-e0'], |
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133 | "", |
134 | ""); |
135 | |
136 | # Fails in 5.6.0 |
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137 | try({PERL5OPT => '-MExporter -MExporter'}, ['-e0'], |
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138 | "", |
139 | ""); |
140 | |
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141 | try({PERL5OPT => '-Mstrict -Mwarnings'}, |
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142 | ['-e', 'print "ok" if $INC{"strict.pm"} and $INC{"warnings.pm"}'], |
143 | "ok", |
144 | ""); |
145 | |
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146 | try({PERL5OPT => '-w -w'}, |
147 | ['-e', 'print $ENV{PERL5OPT}'], |
148 | '-w -w', |
149 | ''); |
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150 | |
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151 | try({PERL5OPT => '-t'}, |
152 | ['-e', 'print ${^TAINT}'], |
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153 | '-1', |
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154 | ''); |
155 | |
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156 | try({PERLLIB => "foobar$Config{path_sep}42"}, |
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157 | ['-e', 'print grep { $_ eq "foobar" } @INC'], |
158 | 'foobar', |
159 | ''); |
160 | |
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161 | try({PERLLIB => "foobar$Config{path_sep}42"}, |
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162 | ['-e', 'print grep { $_ eq "42" } @INC'], |
163 | '42', |
164 | ''); |
165 | |
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166 | try({PERL5LIB => "foobar$Config{path_sep}42"}, |
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167 | ['-e', 'print grep { $_ eq "foobar" } @INC'], |
168 | 'foobar', |
169 | ''); |
170 | |
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171 | try({PERL5LIB => "foobar$Config{path_sep}42"}, |
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172 | ['-e', 'print grep { $_ eq "42" } @INC'], |
173 | '42', |
174 | ''); |
175 | |
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176 | try({PERL5LIB => "foo", |
177 | PERLLIB => "bar"}, |
178 | ['-e', 'print grep { $_ eq "foo" } @INC'], |
179 | 'foo', |
180 | ''); |
181 | |
182 | try({PERL5LIB => "foo", |
183 | PERLLIB => "bar"}, |
184 | ['-e', 'print grep { $_ eq "bar" } @INC'], |
185 | '', |
186 | ''); |
187 | |
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188 | # PERL5LIB tests with included arch directories still missing |
189 | |
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190 | END { |
191 | 1 while unlink $STDOUT; |
192 | 1 while unlink $STDERR; |
193 | } |