| // 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'); |
| 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]); |
| } |
| } |
| }; |