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t/test.pl  view on Meta::CPAN

		"# Looks like you planned $planned tests but ran $ran.\n";
	} elsif ($noplan) {
	    print "1..$ran\n";
	}
    }
}

# Use this instead of "print STDERR" when outputing failure diagnostic
# messages
sub _diag {
    return unless @_;
    my @mess = map { /^#/ ? "$_\n" : "# $_\n" }
               map { split /\n/ } @_;
    my $fh = $TODO ? *STDOUT : *STDERR;
    print $fh @mess;

}

sub diag {
    _diag(@_);
}

sub skip_all {
    if (@_) {
	print STDOUT "1..0 # Skipped: @_\n";
    } else {
	print STDOUT "1..0\n";
    }
    exit(0);
}

sub _ok {
    my ($pass, $where, $name, @mess) = @_;
    # Do not try to microoptimize by factoring out the "not ".
    # VMS will avenge.
    my $out;
    if ($name) {
        # escape out '#' or it will interfere with '# skip' and such
        $name =~ s/#/\\#/g;
	$out = $pass ? "ok $test - $name" : "not ok $test - $name";
    } else {
	$out = $pass ? "ok $test" : "not ok $test";
    }

    $out .= " # TODO $TODO" if $TODO;
    print STDOUT "$out\n";

    unless ($pass) {
	_diag "# Failed $where\n";
    }

    # Ensure that the message is properly escaped.
    _diag @mess;

    $test = $test + 1; # don't use ++

    return $pass;
}

sub _where {
    my @caller = caller($Level);
    return "at $caller[1] line $caller[2]";
}

# DON'T use this for matches. Use like() instead.
sub ok ($@) {
    my ($pass, $name, @mess) = @_;
    _ok($pass, _where(), $name, @mess);
}

sub _q {
    my $x = shift;
    return 'undef' unless defined $x;
    my $q = $x;
    $q =~ s/\\/\\\\/g;
    $q =~ s/'/\\'/g;
    return "'$q'";
}

sub _qq {
    my $x = shift;
    return defined $x ? '"' . display ($x) . '"' : 'undef';
};

# keys are the codes \n etc map to, values are 2 char strings such as \n
my %backslash_escape;
foreach my $x (split //, 'nrtfa\\\'"') {
    $backslash_escape{ord eval "\"\\$x\""} = "\\$x";
}
# A way to display scalars containing control characters and Unicode.
# Trying to avoid setting $_, or relying on local $_ to work.
sub display {
    my @result;
    foreach my $x (@_) {
        if (defined $x and not ref $x) {
            my $y = '';
            foreach my $c (unpack("U*", $x)) {
                if ($c > 255) {
                    $y .= sprintf "\\x{%x}", $c;
                } elsif ($backslash_escape{$c}) {
                    $y .= $backslash_escape{$c};
                } else {
                    my $z = chr $c; # Maybe we can get away with a literal...
                    $z = sprintf "\\%03o", $c if $z =~ /[[:^print:]]/;
                    $y .= $z;
                }
            }
            $x = $y;
        }
        return $x unless wantarray;
        push @result, $x;
    }
    return @result;
}

sub is ($$@) {
    my ($got, $expected, $name, @mess) = @_;

    my $pass;
    if( !defined $got || !defined $expected ) {
        # undef only matches undef