60 lines
1.8 KiB
JavaScript
60 lines
1.8 KiB
JavaScript
/**
|
|
* Tests extending a class that mixes in traits
|
|
*
|
|
* Copyright (C) 2014 Mike Gerwitz
|
|
*
|
|
* This file is part of GNU ease.js.
|
|
*
|
|
* ease.js is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
require( 'common' ).testCase(
|
|
{
|
|
caseSetUp: function()
|
|
{
|
|
this.Sut = this.require( 'Trait' );
|
|
this.Class = this.require( 'class' );
|
|
},
|
|
|
|
|
|
/**
|
|
* The supertype should continue to work as it would without the
|
|
* subtype, which means that the supertype's traits should still be
|
|
* available. Note that ease.js does not (at least at the time of
|
|
* writing this test) check to see if a trait is no longer accessible
|
|
* due to overrides, and so a supertype's traits will always be
|
|
* instantiated.
|
|
*/
|
|
'Subtype instantiates traits of supertype': function()
|
|
{
|
|
var called = false;
|
|
|
|
var T = this.Sut(
|
|
{
|
|
foo: function() { called = true; },
|
|
} );
|
|
|
|
// C is a subtype of a class that mixes in T
|
|
var C = this.Class.use( T ).extend( {} )
|
|
.extend(
|
|
{
|
|
// ensure that there is no ctor-dependent trait stuff
|
|
__construct: function() {},
|
|
} );
|
|
|
|
C().foo();
|
|
this.assertOk( called );
|
|
},
|
|
} );
|