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;
14
15plan( 9 ); # And someone's responsible.
16
17# use() makes it difficult to avoid O::import()
18require_ok( 'O' );
19
20my @lines = get_lines( '-MO=success,foo,bar' );
21
22is( $lines[0], 'Compiling!', 'Output should not be saved without -q switch' );
23is( $lines[1], '(foo) <bar>', 'O.pm should call backend compile() method' );
24is( $lines[2], '[]', 'Nothing should be in $O::BEGIN_output without -q' );
25is( $lines[3], '-e syntax OK', 'O.pm should not munge perl output without -qq');
26
27@lines = get_lines( '-MO=-q,success,foo,bar' );
28isnt( $lines[1], 'Compiling!', 'Output should not be printed with -q switch' );
29
30is( $lines[1], "[Compiling!", '... but should be in $O::BEGIN_output' );
31
32@lines = get_lines( '-MO=-qq,success,foo,bar' );
33is( scalar @lines, 3, '-qq should suppress even the syntax OK message' );
34
35@lines = get_lines( '-MO=success,fail' );
36like( $lines[1], qr/fail at .eval/,
37	'O.pm should die if backend compile() does not return a subref' );
38
39sub get_lines {
40    my $compile = shift;
41    split(/[\r\n]+/, runperl( switches => [ '-Ilib', '-It', $compile ],
42                              prog => 1, stderr => 1 ));
43}
44