predicate => 'has_attr2',
default => 2,
);
+ has 'attr3' => (
+ is => 'ro',
+ isa => 'Maybe[Num]',
+ predicate => 'has_attr3',
+ default => 3,
+ );
}
{
predicate => 'has_attr2',
default => 2,
);
+ has 'attr3' => (
+ is => 'ro',
+ isa => 'Maybe[Num]',
+ predicate => 'has_attr3',
+ default => 3,
+ );
}
my $obj = $class->new;
ok($obj->has_attr1, 'attr1 has a value');
ok($obj->has_attr2, 'attr2 has a value');
+ ok($obj->has_attr3, 'attr3 has a value');
+
is($obj->attr1, 1, 'attr1\'s value is its default');
is($obj->attr2, 2, 'attr2\'s value is its default');
+ is($obj->attr3, 3, 'attr3\'s value is its default');
}
{
- my $obj = $class->new(attr1 => undef);
+ my $obj = $class->new(attr1 => undef, attr3 => undef);
ok($obj->has_attr1, 'UT attr1 has a value when assigned undef in constructor');
+ ok($obj->has_attr3, 'attr3 retains its undef value when assigned undef in constructor');
+
is($obj->attr1, 1, 'attr1\'s value is its default');
is($obj->attr2, 2, 'attr2\'s value is its default');
+ is($obj->attr3, undef, 'attr3\'s value is not its default (explicitly set)');
}
{
- my $obj = $class->new(attr1 => 1234, attr2 => 5678);
+ my $obj = $class->new(attr1 => 1234, attr2 => 5678, attr3 => 9012);
is($obj->attr1, 1234, 'assigning a defined value during construction works as normal');
ok($obj->has_attr1, '...and the predicate returns true as normal');
+
is($obj->attr2, 5678, 'assigning a defined value during construction works as normal');
ok($obj->has_attr2, '...and the predicate returns true as normal');
+
+ is($obj->attr3, 9012, 'assigning a defined value during construction works as normal');
+ ok($obj->has_attr3, '...and the predicate returns true as normal');
}
}