Make sure that predicate plays well with builder

[gitmo/Mouse.git] / t / 023-builder.t

diff --git a/t/023-builder.t b/t/023-builder.t
index 2dff1dd..a89ee0b 100644 (file)
--- a/t/023-builder.t
+++ b/t/023-builder.t
@@ -1,7 +1,7 @@
 #!/usr/bin/env perl
 use strict;
 use warnings;
-use Test::More tests => 20;
+use Test::More tests => 30;
 
 my $builder_called = 0;
 my $lazy_builder_called = 0;
@@ -11,9 +11,10 @@ do {
     use Mouse;
 
     has name => (
-        is       => 'rw',
-        isa      => 'Str',
-        builder  => '_build_name',
+        is        => 'rw',
+        isa       => 'Str',
+        builder   => '_build_name',
+        predicate => 'has_name',
     );
 
     sub _build_name {
@@ -23,11 +24,12 @@ do {
     };
 
     has age => (
-        is      => 'ro',
-        isa     => 'Int',
-        builder => '_build_age',
-        lazy    => 1,
-        clearer => 'clear_age',
+        is        => 'ro',
+        isa       => 'Int',
+        builder   => '_build_age',
+        lazy      => 1,
+        clearer   => 'clear_age',
+        predicate => 'has_age',
     );
 
     sub default_age { 20 }
@@ -41,6 +43,7 @@ do {
 
 # eager builder
 my $object = Class->new(name => "Bob");
+ok($object->has_name, "predicate: value from constructor");
 is($builder_called, 0, "builder not called in the constructor when we pass a value");
 is($object->name, "Bob", "builder doesn't matter when we just set the value in constructor");
 $object->name("Bill");
@@ -49,29 +52,39 @@ is($builder_called, 0, "builder not called in the setter");
 $builder_called = 0;
 
 my $object2 = Class->new;
+ok($object2->has_name, "predicate: value from eager builder");
 is($object2->name, "FRANK", "builder called to provide the default value");
 is($builder_called, 1, "builder called ONCE to provide the default value");
 
 # lazy builder
 my $object3 = Class->new;
 is($lazy_builder_called, 0, "lazy builder not called yet");
+ok(!$object3->has_age, "predicate: no age yet");
 is($object3->age, 20, "lazy builder value");
+ok($object3->has_age, "predicate: have value after get");
 is($lazy_builder_called, 1, "lazy builder called on get");
 is($object3->age, 20, "lazy builder value");
 is($lazy_builder_called, 1, "lazy builder not called on subsequent gets");
+ok($object3->has_age, "predicate: have value after subsequent gets");
 
+$lazy_builder_called = 0;
 $object3->clear_age;
-is($lazy_builder_called, 1, "lazy builder not called on clear");
+ok(!$object3->has_age, "predicate: no value after clear");
+is($lazy_builder_called, 0, "lazy builder not called on clear");
 is($object3->age, 20, "lazy builder value");
-is($lazy_builder_called, 2, "lazy builder called on get after clear");
+ok($object3->has_age, "predicate: have value after clear and get");
+is($lazy_builder_called, 1, "lazy builder called on get after clear");
 
-$lazy_builder_called = 0 ;
+$lazy_builder_called = 0;
 my $object4 = Class->new(age => 50);
+ok($object4->has_age, "predicate: have value from constructor");
 is($lazy_builder_called, 0, "lazy builder not called yet");
 is($object4->age, 50, "value from constructor");
 is($lazy_builder_called, 0, "lazy builder not called if value is from constructor");
 
 $object4->clear_age;
+ok(!$object4->has_age, "predicate: no value after clear");
 is($lazy_builder_called, 0, "lazy builder not called on clear");
 is($object4->age, 20, "lazy builder value");
+ok($object4->has_age, "predicate: have value after clear and get");
 is($lazy_builder_called, 1, "lazy builder called on get after clear");