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// Copyright 2008 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 Testing utilities for DOM related tests.
*
* @author robbyw@google.com (Robby Walker)
*/
goog.provide('goog.testing.graphics');
goog.require('goog.graphics.Path.Segment');
goog.require('goog.testing.asserts');
/**
* Array mapping numeric segment constant to a descriptive character.
* @type {Array.<string>}
* @private
*/
goog.testing.graphics.SEGMENT_NAMES_ = function() {
var arr = [];
arr[goog.graphics.Path.Segment.MOVETO] = 'M';
arr[goog.graphics.Path.Segment.LINETO] = 'L';
arr[goog.graphics.Path.Segment.CURVETO] = 'C';
arr[goog.graphics.Path.Segment.ARCTO] = 'A';
arr[goog.graphics.Path.Segment.CLOSE] = 'X';
return arr;
}();
/**
* Test if the given path matches the expected array of commands and parameters.
* @param {Array.<string|number>} expected The expected array of commands and
* parameters.
* @param {goog.graphics.Path} path The path to test against.
*/
goog.testing.graphics.assertPathEquals = function(expected, path) {
var actual = [];
path.forEachSegment(function(seg, args) {
actual.push(goog.testing.graphics.SEGMENT_NAMES_[seg]);
Array.prototype.push.apply(actual, args);
});
assertEquals(expected.length, actual.length);
for (var i = 0; i < expected.length; i++) {
if (goog.isNumber(expected[i])) {
assertTrue(goog.isNumber(actual[i]));
assertRoughlyEquals(expected[i], actual[i], 0.01);
} else {
assertEquals(expected[i], actual[i]);
}
}
};
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