1#!/usr/bin/perl -w
2
3BEGIN {
4    if( $ENV{PERL_CORE} ) {
5        chdir 't' if -d 't';
6        @INC = ('../lib', 'lib');
7    }
8    else {
9        unshift @INC, 't/lib';
10    }
11}
12
13chdir 't';
14
15use ExtUtils::MM;
16use MakeMaker::Test::Utils;
17
18my $Is_VMS   = $^O eq 'VMS';
19my $Is_Win32 = $^O eq 'MSWin32';
20
21use Test::More tests => 7;
22
23my $perl = which_perl;
24my $mm = bless { NAME => "Foo" }, "MM";
25
26# I don't expect anything to have a length shorter than 256 chars.
27cmp_ok( $mm->max_exec_len, '>=', 256,   'max_exec_len' );
28
29my $echo = $mm->oneliner(q{print @ARGV}, ['-l']);
30
31# Force a short command length to make testing split_command easier.
32$mm->{_MAX_EXEC_LEN} = length($echo) + 15;
33is( $mm->max_exec_len, $mm->{_MAX_EXEC_LEN}, '  forced a short max_exec_len' );
34
35my @test_args = qw(foo bar baz yar car har ackapicklerootyjamboree);
36my @cmds = $mm->split_command($echo, @test_args);
37isnt( @cmds, 0 );
38
39@results = _run(@cmds);
40is( join('', @results), join('', @test_args));
41
42
43my %test_args = ( foo => 42, bar => 23, car => 'har' );
44$even_args = $mm->oneliner(q{print !(@ARGV % 2)});
45@cmds = $mm->split_command($even_args, %test_args);
46isnt( @cmds, 0 );
47
48@results = _run(@cmds);
49like( join('', @results ), qr/^1+$/,         'pairs preserved' );
50
51is( $mm->split_command($echo), 0,  'no args means no commands' );
52
53
54sub _run {
55    my @cmds = @_;
56
57    s{\$\(PERLRUN\)}{$perl} foreach @cmds;
58    if( $Is_VMS ) {
59        s{-\n}{} foreach @cmds
60    }
61    elsif( $Is_Win32 ) {
62        s{\\\n}{} foreach @cmds;
63    }
64
65    return map { s/\n+$//; $_ } map { `$_` } @cmds
66}
67