1#!./perl -w
2
3BEGIN {
4	unshift @INC, 't';
5	require Config;
6	if (($Config::Config{'extensions'} !~ /\bB\b/) ){
7		print "1..0 # Skip -- Perl configured without B module\n";
8		exit 0;
9	}
10	require 'test.pl';
11}
12
13use strict;
14use Config;
15use File::Spec;
16use File::Path;
17
18my $path = File::Spec->catdir( 'lib', 'B' );
19unless (-d $path) {
20	mkpath( $path ) or skip_all( 'Cannot create fake module path' );
21}
22
23my $file = File::Spec->catfile( $path, 'success.pm' );
24local *OUT;
25open(OUT, '>', $file) or skip_all( 'Cannot write fake backend module');
26print OUT while <DATA>;
27close *OUT;
28
29plan( 9 ); # And someone's responsible.
30
31# use() makes it difficult to avoid O::import()
32require_ok( 'O' );
33
34my @lines = get_lines( '-MO=success,foo,bar' );
35
36is( $lines[0], 'Compiling!', 'Output should not be saved without -q switch' );
37is( $lines[1], '(foo) <bar>', 'O.pm should call backend compile() method' );
38is( $lines[2], '[]', 'Nothing should be in $O::BEGIN_output without -q' );
39is( $lines[3], '-e syntax OK', 'O.pm should not munge perl output without -qq');
40
41@lines = get_lines( '-MO=-q,success,foo,bar' );
42isnt( $lines[1], 'Compiling!', 'Output should not be printed with -q switch' );
43
44SKIP: {
45	skip( '-q redirection does not work without PerlIO', 2)
46		unless $Config{useperlio};
47	is( $lines[1], "[Compiling!", '... but should be in $O::BEGIN_output' );
48
49	@lines = get_lines( '-MO=-qq,success,foo,bar' );
50	is( scalar @lines, 3, '-qq should suppress even the syntax OK message' );
51}
52
53@lines = get_lines( '-MO=success,fail' );
54like( $lines[1], qr/fail at .eval/,
55	'O.pm should die if backend compile() does not return a subref' );
56
57sub get_lines {
58    my $compile = shift;
59	split(/[\r\n]+/, runperl( switches => [ '-Ilib', $compile ],
60				  prog => 1, stderr => 1 ));
61}
62
63END {
64	1 while unlink($file);
65	rmdir($path); # not "1 while" since there might be more in there
66}
67
68__END__
69package B::success;
70
71$| = 1;
72print "Compiling!\n";
73
74sub compile {
75	return 'fail' if ($_[0] eq 'fail');
76	print "($_[0]) <$_[1]>\n";
77	return sub { print "[$O::BEGIN_output]\n" };
78}
79
801;
81