From 7f24d094ba12fe7005ace8f8c80fc7e95a7632eb Mon Sep 17 00:00:00 2001 From: Mike Gerwitz Date: Wed, 8 Jun 2011 01:28:45 -0400 Subject: [PATCH] [#19] Re-added FinalClass tests (we still want those ;)) --- test/test-class_builder-final.js | 92 ++++++++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 test/test-class_builder-final.js diff --git a/test/test-class_builder-final.js b/test/test-class_builder-final.js new file mode 100644 index 0000000..30ef6ca --- /dev/null +++ b/test/test-class_builder-final.js @@ -0,0 +1,92 @@ +/** + * Tests final members + * + * Copyright (C) 2010 Mike Gerwitz + * + * This file is part of ease.js. + * + * ease.js is free software: you can redistribute it and/or modify it under the + * terms of the GNU Lesser General Public License as published by the Free + * Software Foundation, either version 3 of the License, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License + * for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program. If not, see . + * + * @author Mike Gerwitz + * @package test + */ + +var common = require( './common' ), + assert = require( 'assert' ), + builder = common.require( 'class_builder' ), + + Class = common.require( 'class' ) + FinalClass = common.require( 'class_final' ) +; + + +/** + * Ensure that FinalClass properly forwards data to create a new Class. + */ +( function testFinalClassesAreValidClasses() +{ + assert.ok( Class.isClass( FinalClass( {} ) ), + "Final classes should generate valid classes" + ); +} )(); + + +/** + * When a class is declared as final, it should prevent it from ever being + * extended. Ever. + */ +( function testFinalClassesCannotBeExtended() +{ + try + { + // this should fail + FinalClass( 'Foo', {} ).extend( {} ); + } + catch ( e ) + { + assert.ok( + e.message.search( 'Foo' ) !== -1, + "Final class error message should contain name of class" + ); + + return; + } + + assert.fail( "Should not be able to extend final classes" ); +} )(); + + +/** + * Ensure we're able to create final classes by extending existing classes. + */ +( function testCanCreateFinalSubtypes() +{ + var Foo = builder.build( {} ), + FinalNamed = FinalClass( 'FinalNamed' ).extend( Foo, {} ), + FinalAnon = FinalClass.extend( Foo, {} ) + ; + + // named + assert.throws( function() + { + FinalNamed.extend( {} ); + }, Error, "Cannot extend final named subtype" ); + + // anonymous + assert.throws( function() + { + FinalAnon.extend( {} ); + }, Error, "Cannot extend final anonymous subtype" ); +} )(); +