156 lines
3.3 KiB
JavaScript
156 lines
3.3 KiB
JavaScript
/**
|
|
* Tests class module object creation
|
|
*
|
|
* Copyright (C) 2010, 2011, 2013 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/>.
|
|
*
|
|
* @author Mike Gerwitz
|
|
*/
|
|
|
|
var common = require( './common' ),
|
|
assert = require( 'assert' ),
|
|
Class = common.require( 'class' );
|
|
|
|
|
|
assert.ok(
|
|
( Class.extend instanceof Function ),
|
|
"Class module should provide an 'extend' method"
|
|
);
|
|
|
|
|
|
var Foo = Class.extend(
|
|
{
|
|
value: 'foo',
|
|
});
|
|
|
|
|
|
assert.ok(
|
|
( Foo instanceof Object ),
|
|
"Extend method creates a new object"
|
|
);
|
|
|
|
assert.ok(
|
|
( Class.isClass( Class.extend() ) ),
|
|
"Classes are considered by the system to be classes"
|
|
);
|
|
|
|
|
|
var inst = new Foo();
|
|
|
|
|
|
//
|
|
// isClass
|
|
assert.ok(
|
|
( !( Class.isClass( {} ) ) ),
|
|
"Only actual classes are considered to be classes"
|
|
);
|
|
|
|
assert.ok(
|
|
!( Class.isClass( inst ) ),
|
|
"Class instances are not considered to be classes (they are objects)"
|
|
);
|
|
|
|
|
|
//
|
|
// isClassInstance
|
|
assert.ok(
|
|
( Class.isClassInstance( inst ) ),
|
|
"Class instances are considered to be classes instances"
|
|
);
|
|
|
|
assert.ok(
|
|
( !( Class.isClassInstance( Foo ) ) ),
|
|
"Classes are not considered to be class instances"
|
|
);
|
|
|
|
assert.ok(
|
|
( !( Class.isClassInstance( {} ) ) ),
|
|
"Other objects are not considered to be class instances"
|
|
);
|
|
|
|
|
|
// only perform check if supported by the engine
|
|
if ( Object.isFrozen )
|
|
{
|
|
assert.equal(
|
|
Object.isFrozen( Foo ),
|
|
true,
|
|
"Generated class should be frozen"
|
|
);
|
|
}
|
|
|
|
|
|
//
|
|
// isInstanceOf
|
|
assert.ok(
|
|
Class.isInstanceOf( Foo, inst ),
|
|
"Class instance is recognized by Class.isInstanceOf()"
|
|
);
|
|
|
|
assert.ok(
|
|
Class.isInstanceOf( Foo, undefined ) === false,
|
|
"Checking instance of undefined will not throw an error"
|
|
);
|
|
|
|
assert.ok(
|
|
Class.isInstanceOf( undefined, {} ) === false,
|
|
"Checking for instance of undefined will not throw an error"
|
|
);
|
|
|
|
assert.ok(
|
|
!( Class.isInstanceOf( Foo, Foo ) ),
|
|
"Class is not an instance of itself when uninstantiated"
|
|
);
|
|
|
|
assert.ok(
|
|
!( Class.isInstanceOf( inst, Foo ) ),
|
|
"Class is not an instance of its instance"
|
|
);
|
|
|
|
assert.equal(
|
|
Class.isInstanceOf,
|
|
Class.isA,
|
|
"isA() is an alias for isInstanceOf()"
|
|
);
|
|
|
|
assert.ok(
|
|
( ( inst.isInstanceOf instanceof Function )
|
|
&& ( inst.isInstanceOf( Foo ) === true )
|
|
&& ( inst.isInstanceOf( inst ) === false )
|
|
),
|
|
"Class instance contains partially applied isInstanceOf method"
|
|
);
|
|
|
|
assert.equal(
|
|
inst.isInstanceOf,
|
|
inst.isA,
|
|
"Class instance contains isA() alias for isInstanceOf() partially applied function"
|
|
);
|
|
|
|
|
|
|
|
assert.ok(
|
|
( Foo.__cid !== undefined ),
|
|
"Class id available via class"
|
|
);
|
|
|
|
assert.ok(
|
|
( Foo.prototype.__cid !== undefined ),
|
|
"Class id available via class prototype"
|
|
);
|
|
|