- skip 'compiling failed (normal)', $tests unless system("gcc -DTEST -DBUF_SIZE=$BUF_SIZE{normal} -o $program $source") == 0;
-
- is(system("$program --help >/dev/null 2>&1"), 0, 'exit value for help screen');
- is(system("$program --version >/dev/null 2>&1"), 0, 'exit value for version data');
-
- my $run_program_fail = sub
- {
- my ($program, $args, $message) = @_;
-
- my @args = split /\s+/, $args;
-
- my $err = gensym;
-
- my $pid = open3(gensym, gensym, $err, $program, @args);
- waitpid($pid, 0);
-
- my $output = do { local $/; <$err> };
-
- return ($? >> 8 == 1 && $output =~ /$message/) ? true : false;
- };
-
- {
- my $ok = true;
-
- my $file = $write_to_tmpfile->('abc');
- my $dir = tempdir(CLEANUP => true);
-
- $ok &= $run_program_fail->($program, '--exclude-random=random', 'must be provided a plain color');
- $ok &= $run_program_fail->($program, '--clean --clean-all', 'mutually exclusive');
- $ok &= $run_program_fail->($program, '--clean file1 file2', 'more than one file');
- $ok &= $run_program_fail->($program, '--clean-all file1 file2', 'more than one file');
- $ok &= $run_program_fail->($program, '- file', 'hyphen cannot be used as color string');
- $ok &= $run_program_fail->($program, '-', 'hyphen must be preceeded by color string');
- $ok &= $run_program_fail->($program, "$file file", 'cannot be used as color string');
- $ok &= $run_program_fail->($program, "$file", 'must be preceeded by color string');
- $ok &= $run_program_fail->($program, "$dir", 'is not a valid file type');
- $ok &= $run_program_fail->($program, '/black', 'foreground color missing');
- $ok &= $run_program_fail->($program, 'white/', 'background color missing');
- $ok &= $run_program_fail->($program, 'white/black/yellow', 'one color pair allowed only');
- $ok &= $run_program_fail->($program, 'y3llow', 'cannot be made of non-alphabetic characters');
- $ok &= $run_program_fail->($program, 'yEllow', 'cannot be in mixed lower/upper case');
- $ok &= $run_program_fail->($program, 'None', 'cannot be bold');
- $ok &= $run_program_fail->($program, 'white/Black', 'cannot be bold');
-
- foreach my $color_pair (qw(random/none random/default none/random default/random)) {
- $ok &= $run_program_fail->($program, $color_pair, 'cannot be combined with');
- }