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// Copyright 2009 The Closure Library Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS-IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/**
* @fileoverview Additional asserts for testing ControlRenderers.
*
* @author mkretzschmar@google.com (Martin Kretzschmar)
*/
goog.setTestOnly('goog.testing.ui.rendererasserts');
goog.provide('goog.testing.ui.rendererasserts');
goog.require('goog.testing.asserts');
goog.require('goog.ui.ControlRenderer');
/**
* Assert that a control renderer constructor doesn't call getCssClass.
*
* @param {function(new:goog.ui.ControlRenderer)} rendererClassUnderTest The
* renderer constructor to test.
*/
goog.testing.ui.rendererasserts.assertNoGetCssClassCallsInConstructor =
function(rendererClassUnderTest) {
var getCssClassCalls = 0;
/**
* @constructor
* @extends {goog.ui.ControlRenderer}
* @final
*/
function TestControlRenderer() { rendererClassUnderTest.call(this); }
goog.inherits(TestControlRenderer, rendererClassUnderTest);
/** @override */
TestControlRenderer.prototype.getCssClass = function() {
getCssClassCalls++;
return TestControlRenderer.superClass_.getCssClass.call(this);
};
// Looking for the side-effects caused by the construction here:
new TestControlRenderer();
assertEquals(
'Constructors should not call getCssClass, ' +
'getCustomRenderer must be able to override it post construction.',
0, getCssClassCalls);
};
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