152 lines
4.0 KiB
JavaScript
152 lines
4.0 KiB
JavaScript
/**
|
|
* Tests class naming
|
|
*
|
|
* 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 <http://www.gnu.org/licenses/>.
|
|
*
|
|
* @author Mike Gerwitz
|
|
* @package test
|
|
*/
|
|
|
|
var common = require( './common' ),
|
|
assert = require( 'assert' ),
|
|
Class = common.require( 'class' )
|
|
;
|
|
|
|
|
|
/**
|
|
* Classes may be named by passing the name as the first argument to the module
|
|
*/
|
|
( function testClassAcceptsName()
|
|
{
|
|
assert.doesNotThrow( function()
|
|
{
|
|
var cls = Class( 'Foo', {} );
|
|
|
|
assert.equal(
|
|
Class.isClass( cls ),
|
|
true,
|
|
"Class defined with name is returned as a valid class"
|
|
);
|
|
}, Error, "Class accepts name" );
|
|
|
|
// the second argument must be an object
|
|
assert.throws( function()
|
|
{
|
|
Class( 'Foo', 'Bar' );
|
|
}, TypeError, "Second argument to named class must be the definition" );
|
|
|
|
// we should be permitted only two arguments
|
|
var args = [ 'Foo', {}, 'extra' ];
|
|
try
|
|
{
|
|
Class.apply( null, args );
|
|
|
|
// we should not get to this line (an exception should be thrown due to
|
|
// too many arguments)
|
|
assert.fail(
|
|
"Should accept only two arguments when creating named class"
|
|
);
|
|
}
|
|
catch ( e )
|
|
{
|
|
assert.notEqual(
|
|
e.toString().match( args.length + ' given' ),
|
|
null,
|
|
"Named class error should provide number of given arguments"
|
|
);
|
|
}
|
|
} )();
|
|
|
|
|
|
/**
|
|
* By default, anonymous classes should just state that they are a class when
|
|
* they are converted to a string
|
|
*/
|
|
( function testConvertingAnonymousClassToStringYieldsClassString()
|
|
{
|
|
// concrete
|
|
assert.equal(
|
|
Class( {} ).toString(),
|
|
'[object Class]',
|
|
"Converting anonymous class to string yields class string"
|
|
);
|
|
|
|
// abstract
|
|
assert.equal(
|
|
Class( { 'abstract foo': [] } ).toString(),
|
|
'[object AbstractClass]',
|
|
"Converting abstract anonymous class to string yields class string"
|
|
);
|
|
} )();
|
|
|
|
|
|
/**
|
|
* If the class is named, then the name should be presented when it is converted
|
|
* to a string
|
|
*/
|
|
( function testConvertingNamedClassToStringYieldsClassStringContainingName()
|
|
{
|
|
var name = 'Foo';
|
|
|
|
// concrete
|
|
assert.equal(
|
|
Class( name, {} ).toString(),
|
|
'[object Class <' + name + '>]',
|
|
"Converting named class to string yields string with name of class"
|
|
);
|
|
|
|
// abstract
|
|
assert.equal(
|
|
Class( name, { 'abstract foo': [] } ).toString(),
|
|
'[object AbstractClass <' + name + '>]',
|
|
"Converting abstract named class to string yields string with name " +
|
|
"of class"
|
|
);
|
|
} )();
|
|
|
|
|
|
/**
|
|
* Class instances are displayed differently than uninstantiated classes.
|
|
* Mainly, they output that they are an object, in addition to the class name.
|
|
*/
|
|
( function testConvertingClassInstanceToStringYieldsInstanceString()
|
|
{
|
|
var name = 'Foo',
|
|
|
|
anon = Class( {} )(),
|
|
named = Class( name, {} )()
|
|
;
|
|
|
|
// anonymous
|
|
assert.equal(
|
|
anon.toString(),
|
|
'[object #<anonymous>]',
|
|
"Converting anonymous class instance to string yields string " +
|
|
"indiciating that the class is anonymous"
|
|
);
|
|
|
|
// named
|
|
assert.equal(
|
|
named.toString(),
|
|
'[object #<' + name + '>]',
|
|
"Converting named class instance to string yields string with name " +
|
|
"of class"
|
|
);
|
|
} )();
|
|
|