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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Include test fixture.
GEN_INCLUDE(['testing/common_e2e_test_base.js']);
/** Test fixture for array_util.js. */
AccessibilityExtensionArrayUtilTest = class extends CommonE2ETestBase {
};
AX_TEST_F('AccessibilityExtensionArrayUtilTest', 'ContentsAreEqual', function() {
const even1 = [2, 4, 6, 8];
const even2 = [2, 4, 6, 8];
const odd = [1, 3, 5, 7, 9];
const powersOf2 = [2, 4, 8, 16];
assertFalse(
ArrayUtil.contentsAreEqual(even1, odd),
'Arrays with different lengths should not be equal.');
assertFalse(
ArrayUtil.contentsAreEqual(even1, powersOf2),
'Arrays with some common elements should not be equal.');
assertTrue(
ArrayUtil.contentsAreEqual(even1, even1),
'Arrays should equal themselves.');
assertTrue(
ArrayUtil.contentsAreEqual(even1, even2),
'Two different array objects with the same elements should be equal.');
const obj = {};
const arrayWithObj = [obj];
const secondArrayWithObj = [obj];
const arrayWithDifferentObj = [{}];
assertNotEquals(
arrayWithObj, secondArrayWithObj,
'Different array instances with the same contents should not be ' +
'equal with ===.');
assertTrue(
ArrayUtil.contentsAreEqual(arrayWithObj, secondArrayWithObj),
'Different array instances with references to the same object ' +
'instance should be equal with contentsAreEqual.');
assertFalse(
ArrayUtil.contentsAreEqual(arrayWithObj, arrayWithDifferentObj),
'Arrays with different objects should not be equal (ArrayUtil.' +
'contentsAreEqual uses shallow equality for the elements).');
});
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