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1 | #!/usr/bin/perl |
2 | |
3 | use strict; |
4 | use warnings; |
5 | |
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6 | use Test::More tests => 17; |
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7 | use Test::Exception; |
8 | |
9 | use Scalar::Util (); |
10 | |
11 | BEGIN { |
12 | use_ok('Moose::Util::TypeConstraints'); |
13 | } |
14 | |
15 | type Num => where { Scalar::Util::looks_like_number($_) }; |
16 | type String => where { !ref($_) && !Num($_) }; |
17 | |
18 | subtype Natural |
19 | => as Num |
20 | => where { $_ > 0 }; |
21 | |
22 | subtype NaturalLessThanTen |
23 | => as Natural |
24 | => where { $_ < 10 }; |
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25 | |
26 | Moose::Util::TypeConstraints::export_type_contstraints_as_functions(); |
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27 | |
28 | is(Num(5), 5, '... this is a Num'); |
29 | ok(!defined(Num('Foo')), '... this is not a Num'); |
30 | |
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31 | is(String('Foo'), 'Foo', '... this is a Str'); |
32 | ok(!defined(String(5)), '... this is not a Str'); |
33 | |
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34 | is(Natural(5), 5, '... this is a Natural'); |
35 | is(Natural(-5), undef, '... this is not a Natural'); |
36 | is(Natural('Foo'), undef, '... this is not a Natural'); |
37 | |
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38 | is(NaturalLessThanTen(5), 5, '... this is a NaturalLessThanTen'); |
39 | is(NaturalLessThanTen(12), undef, '... this is not a NaturalLessThanTen'); |
40 | is(NaturalLessThanTen(-5), undef, '... this is not a NaturalLessThanTen'); |
41 | is(NaturalLessThanTen('Foo'), undef, '... this is not a NaturalLessThanTen'); |
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42 | |
43 | # anon sub-typing |
44 | |
45 | my $negative = subtype Num => where { $_ < 0 }; |
46 | ok(defined $negative, '... got a value back from negative'); |
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47 | isa_ok($negative, 'Moose::Meta::TypeConstraint'); |
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48 | |
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49 | is($negative->_compiled_type_constraint->(-5), -5, '... this is a negative number'); |
50 | ok(!defined($negative->_compiled_type_constraint->(5)), '... this is not a negative number'); |
51 | is($negative->_compiled_type_constraint->('Foo'), undef, '... this is not a negative number'); |