diff options
Diffstat (limited to 'cpan/dist/PathTools/t/rel2abs2rel.t')
| -rw-r--r-- | cpan/dist/PathTools/t/rel2abs2rel.t | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/cpan/dist/PathTools/t/rel2abs2rel.t b/cpan/dist/PathTools/t/rel2abs2rel.t new file mode 100644 index 00000000..0d684f19 --- /dev/null +++ b/cpan/dist/PathTools/t/rel2abs2rel.t @@ -0,0 +1,73 @@ +#!/usr/bin/perl -w + +# Here we make sure File::Spec can properly deal with executables. +# VMS has some trouble with these. + +use File::Spec; +use lib File::Spec->catdir('t', 'lib'); + +use Test::More (-x $^X + ? (tests => 5) + : (skip_all => "Can't find an executable file") + ); + +BEGIN { # Set up a tiny script file + local *F; + open(F, ">rel2abs2rel$$.pl") + or die "Can't open rel2abs2rel$$.pl file for script -- $!\n"; + print F qq(print "ok\\n"\n); + close(F); +} +END { + 1 while unlink("rel2abs2rel$$.pl"); + 1 while unlink("rel2abs2rel$$.tmp"); +} + +use Config; + + +# Change 'perl' to './perl' so the shell doesn't go looking through PATH. +sub safe_rel { + my($perl) = shift; + $perl = File::Spec->catfile(File::Spec->curdir, $perl) unless + File::Spec->file_name_is_absolute($perl); + + return $perl; +} +# Make a putative perl binary say "ok\n". We have to do it this way +# because the filespec of the binary may contain characters that a +# command interpreter considers special, so we can't use the obvious +# `$perl -le "print 'ok'"`. And, for portability, we can't use fork(). +sub sayok{ + my $perl = shift; + open(STDOUTDUP, '>&STDOUT'); + open(STDOUT, ">rel2abs2rel$$.tmp") + or die "Can't open scratch file rel2abs2rel$$.tmp -- $!\n"; + system($perl, "rel2abs2rel$$.pl"); + open(STDOUT, '>&STDOUTDUP'); + close(STDOUTDUP); + + local *F; + open(F, "rel2abs2rel$$.tmp"); + local $/ = undef; + my $output = <F>; + close(F); + return $output; +} + +print "# Checking manipulations of \$^X=$^X\n"; + +my $perl = safe_rel($^X); +is( sayok($perl), "ok\n", "'$perl rel2abs2rel$$.pl' works" ); + +$perl = File::Spec->rel2abs($^X); +is( sayok($perl), "ok\n", "'$perl rel2abs2rel$$.pl' works" ); + +$perl = File::Spec->canonpath($perl); +is( sayok($perl), "ok\n", "canonpath(rel2abs($^X)) = $perl" ); + +$perl = safe_rel(File::Spec->abs2rel($perl)); +is( sayok($perl), "ok\n", "safe_rel(abs2rel(canonpath(rel2abs($^X)))) = $perl" ); + +$perl = safe_rel(File::Spec->canonpath($^X)); +is( sayok($perl), "ok\n", "safe_rel(canonpath($^X)) = $perl" ); |
