#!./perl BEGIN { chdir 't' if -d 't'; @INC = '../lib'; } our $TEST = "TEST"; our $README = "README"; BEGIN { our @TEST = stat "TEST"; our @README = stat "README"; unless (@TEST && @README) { print "1..0 # Skip: no file TEST or README\n"; exit 0; } } use Test::More; use File::Compare qw(compare compare_text); # Upon success, compare() and compare_text() return a Unix-ish 0 # rather than a Perl-ish 1. is(compare($README,$README), 0, "compare file to itself"); is(compare($TEST,$README), 1, "compare file to different file"); is(compare($README,"HLAGHLAG"), -1, "compare file to nonexistent file returns error value"); is(compare_text($README,$README), 0, "compare_text file to itself"); is(compare_text($TEST,$README), 1, "compare_text file to different file"); is(compare_text($TEST,"HLAGHLAG"), -1, "compare_text file to nonexistent file returns error value"); is(compare_text($README,$README,sub {$_[0] ne $_[1]}), 0, "compare_text with code ref as third argument, file to itself"); is(compare_text($TEST,$README,sub {$_[0] ne $_[1]}), 1, "compare_text with code ref as third argument, file to different file"); { open my $fh, '<', $README or die "Unable to open $README for reading: $!"; binmode($fh); is(compare($fh,$README), 0, "compare file with filehandle open to same file"); close $fh; } { open my $fh, '<', $README or die "Unable to open $README for reading: $!"; binmode($fh); is(compare($fh,$TEST), 1, "compare file with filehandle open to different file"); close $fh; } # Different file with contents of known file, # will use File::Temp to do this, skip rest of # tests if this does not seem to work my @donetests; eval { require File::Temp; import File::Temp qw/ tempfile unlink0 /; my($tfh,$filename) = tempfile('fcmpXXXX', TMPDIR => 1); # NB. The trailing space is intentional (see [perl #37716]) my $whsp = get_valid_whitespace(); open my $tfhSP, ">", "$filename$whsp" or die "Could not open '$filename$whsp' for writing: $!"; binmode($tfhSP); { local $/; #slurp my $fh; open($fh,'<',$README); binmode($fh); my $data = <$fh>; print $tfh $data; close($fh); print $tfhSP $data; close($tfhSP); } seek($tfh,0,0); $donetests[0] = compare($tfh, $README); if ($^O eq 'VMS') { unlink0($tfh,$filename); # queue for later removal close $tfh; # may not be opened shared } $donetests[1] = compare($filename, $README); unlink0($tfh,$filename); $donetests[2] = compare($README, "$filename$whsp"); unlink "$filename$whsp"; }; print "# problem '$@' when testing with a temporary file\n" if $@; SKIP: { my $why = "Likely due to File::Temp"; my $how_many = 3; my $have_some_feature = (@donetests == 3); skip $why, $how_many unless $have_some_feature; is($donetests[0], 0, "fh/file [$donetests[0]]"); is($donetests[1], 0, "file/file [$donetests[1]]"); TODO: { my $why = "spaces after filename silently truncated"; my $how_many = 1; my $condition = ($^O eq "cygwin") or ($^O eq "vos"); todo_skip $why, $how_many if $condition; is($donetests[2], 0, "file/fileCR [$donetests[2]]"); } } { local $@; eval { compare(); 1 }; like($@, qr/Usage:\s+compare/, "detect insufficient arguments to compare()"); } { local $@; eval { compare(undef, $README); 1 }; like($@, qr/from\s+undefined/, "compare() fails: first argument undefined"); } { local $@; eval { compare($README, undef ); 1 }; like($@, qr/to\s+undefined/, "compare() fails: second argument undefined"); } done_testing(); sub get_valid_whitespace { return ' ' unless $^O eq 'VMS'; return (exists $ENV{'DECC$EFS_CHARSET'} && $ENV{'DECC$EFS_CHARSET'} =~ /^[ET1]/i) ? ' ' : '_'; # traditional mode eats spaces in filenames }