1# -*- mode: perl; -*-
2
3use strict;
4use warnings;
5
6use Test::More tests => 81;
7
8###############################################################################
9# Read and load configuration file and backend library.
10
11use Config::Tiny ();
12
13my $config_file = 'xt/author/lib.ini';
14my $config = Config::Tiny -> read('xt/author/lib.ini')
15  or die Config::Tiny -> errstr();
16
17our $LIB = $config->{_}->{lib};
18
19die "No library defined in file '$config_file'"
20  unless defined $LIB;
21die "Invalid library name '$LIB' in file '$config_file'"
22  unless $LIB =~ /^[A-Za-z]\w*(::\w+)*\z/;
23
24eval "require $LIB";
25die $@ if $@;
26
27###############################################################################
28
29can_ok($LIB, '_is_one');
30
31# Generate test data.
32
33my @data;
34
35for (my $x = 0 ; $x <= 10 ; ++ $x) {
36    push @data, [ $x, $x == 1 ];
37}
38
39for (my $e = 2 ; $e <= 10 ; ++ $e) {
40    my $x = "1" . ("0" x $e);
41    push @data, [ $x, $x == 1 ];
42}
43
44# List context.
45
46for (my $i = 0 ; $i <= $#data ; ++ $i) {
47    my ($in0, $out0) = @{ $data[$i] };
48
49    my ($x, @got);
50
51    my $test = qq|\$x = $LIB->_new("$in0"); |
52             . qq|\@got = $LIB->_is_one(\$x);|;
53
54    diag("\n$test\n\n") if $ENV{AUTHOR_DEBUGGING};
55
56    eval $test;
57    is($@, "", "'$test' gives emtpy \$\@");
58
59    subtest "_is_one() in list context: $test", sub {
60        plan tests => 3,
61
62        cmp_ok(scalar @got, "==", 1,
63               "'$test' gives one output arg");
64
65        is(ref($got[0]), "",
66           "'$test' output arg is a scalar");
67
68        ok($got[0] && $out0 || !$got[0] && !$out0,
69           "'$test' output arg has the right value");
70    };
71}
72
73# Scalar context.
74
75for (my $i = 0 ; $i <= $#data ; ++ $i) {
76    my ($in0, $out0) = @{ $data[$i] };
77
78    my ($x, $got);
79
80    my $test = qq|\$x = $LIB->_new("$in0"); |
81             . qq|\$got = $LIB->_is_one(\$x);|;
82
83    diag("\n$test\n\n") if $ENV{AUTHOR_DEBUGGING};
84
85    eval $test;
86    is($@, "", "'$test' gives emtpy \$\@");
87
88    subtest "_is_one() in scalar context: $test", sub {
89        plan tests => 2,
90
91        is(ref($got), "",
92           "'$test' output arg is a scalar");
93
94        ok($got && $out0 || !$got && !$out0,
95           "'$test' output arg has the right value");
96    };
97}
98