1use strict;
2use warnings;
3
4use Test::More 0.88;
5
6use constant NON_EXISTENT_OS => 'titanix'; #the system they said could not go down...
7
8#--------------------------------------------------------------------------#
9# API tests
10#--------------------------------------------------------------------------#
11
12require_ok('Perl::OSType');
13
14can_ok( 'Perl::OSType', 'os_type' );
15
16my @functions = qw/os_type is_os_type/;
17for my $sub (@functions) {
18    ok( eval { Perl::OSType->import($sub); 1 }, "importing $sub()" );
19    can_ok( 'main', $sub );
20}
21
22my $test_pkg = "testpackage$$";
23
24ok( eval "package $test_pkg; use Perl::OSType ':all'; 1",
25    "Testing 'use Perl::OSType qw/:all/'" );
26
27can_ok( $test_pkg, @functions );
28
29#--------------------------------------------------------------------------#
30# os_type
31#--------------------------------------------------------------------------#
32
33{
34    my $fcn = 'os_type()';
35
36    ok( my $current_type = os_type(), "$fcn: without arguments" );
37
38    is( $current_type, os_type($^O), "... matches os_type($^O)" );
39
40    is( os_type(NON_EXISTENT_OS), '', "$fcn: unknown OS returns empty string" );
41
42    is( os_type(''), '', "$fcn: empty string returns empty string" );
43
44    local $^O = 'linux';
45
46    is( os_type(undef), 'Unix', "$fcn: explicit undef uses $^O" );
47}
48
49#--------------------------------------------------------------------------#
50# is_os_type
51#--------------------------------------------------------------------------#
52
53{
54    my $fcn = 'is_os_type()';
55
56    is( is_os_type(NON_EXISTENT_OS), '', "$fcn: non-existent type is false" );
57
58    is( is_os_type(''), undef, "$fcn: empty string type is false" );
59
60    is( is_os_type( 'Unix', NON_EXISTENT_OS ), '', "$fcn: non-existent OS is false" );
61
62    local $^O = 'vos';
63    ok( !is_os_type('Unix'), "$fcn: false" );
64    ok( is_os_type('VOS'),   "$fcn: true" );
65    ok( !is_os_type(),       "$fcn: false if no type provided" );
66}
67
68done_testing;
69
70