google-closure-library
Version:
Google's common JavaScript library
59 lines (51 loc) • 1.62 kB
JavaScript
/**
* @license
* Copyright The Closure Library Authors.
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @fileoverview Testing utilities for DOM related tests.
*/
goog.setTestOnly('goog.testing.graphics');
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() {
'use strict';
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) {
'use strict';
var actual = [];
path.forEachSegment(function(seg, args) {
'use strict';
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 (typeof expected[i] === 'number') {
assertTrue(typeof actual[i] === 'number');
assertRoughlyEquals(expected[i], actual[i], 0.01);
} else {
assertEquals(expected[i], actual[i]);
}
}
};