text: // 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]);
      }
    }
  };
  