1787 lines
56 KiB
JavaScript
1787 lines
56 KiB
JavaScript
// Copyright 2006 The Closure Library Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS-IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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goog.provide('goog.arrayTest');
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goog.setTestOnly('goog.arrayTest');
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goog.require('goog.array');
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goog.require('goog.dom');
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goog.require('goog.testing.PropertyReplacer');
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goog.require('goog.testing.jsunit');
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goog.require('goog.testing.recordFunction');
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function testArrayLast() {
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assertEquals(goog.array.last([1, 2, 3]), 3);
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assertEquals(goog.array.last([1]), 1);
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assertUndefined(goog.array.last([]));
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}
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function testArrayLastWhenDeleted() {
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var a = [1, 2, 3];
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delete a[2];
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assertUndefined(goog.array.last(a));
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}
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function testArrayIndexOf() {
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assertEquals(goog.array.indexOf([0, 1, 2, 3], 1), 1);
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assertEquals(goog.array.indexOf([0, 1, 1, 1], 1), 1);
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assertEquals(goog.array.indexOf([0, 1, 2, 3], 4), -1);
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assertEquals(goog.array.indexOf([0, 1, 2, 3], 1, 1), 1);
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assertEquals(goog.array.indexOf([0, 1, 2, 3], 1, 2), -1);
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assertEquals(goog.array.indexOf([0, 1, 2, 3], 1, -3), 1);
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assertEquals(goog.array.indexOf([0, 1, 2, 3], 1, -2), -1);
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}
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function testArrayIndexOfOmitsDeleted() {
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var a = [0, 1, 2, 3];
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delete a[1];
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delete a[3];
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assertEquals(goog.array.indexOf(a, undefined), -1);
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}
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function testArrayIndexOfString() {
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assertEquals(goog.array.indexOf('abcd', 'd'), 3);
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assertEquals(goog.array.indexOf('abbb', 'b', 2), 2);
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assertEquals(goog.array.indexOf('abcd', 'e'), -1);
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assertEquals(goog.array.indexOf('abcd', 'cd'), -1);
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assertEquals(goog.array.indexOf('0123', 1), -1);
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}
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function testArrayLastIndexOf() {
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assertEquals(goog.array.lastIndexOf([0, 1, 2, 3], 1), 1);
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assertEquals(goog.array.lastIndexOf([0, 1, 1, 1], 1), 3);
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assertEquals(goog.array.lastIndexOf([0, 1, 1, 1], 1, 2), 2);
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}
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function testArrayLastIndexOfOmitsDeleted() {
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var a = [0, 1, 2, 3];
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delete a[1];
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delete a[3];
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assertEquals(goog.array.lastIndexOf(a, undefined), -1);
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}
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function testArrayLastIndexOfString() {
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assertEquals(goog.array.lastIndexOf('abcd', 'b'), 1);
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assertEquals(goog.array.lastIndexOf('abbb', 'b'), 3);
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assertEquals(goog.array.lastIndexOf('abbb', 'b', 2), 2);
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assertEquals(goog.array.lastIndexOf('abcd', 'cd'), -1);
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assertEquals(goog.array.lastIndexOf('0123', 1), -1);
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}
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function testArrayForEachBasic() {
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var s = '';
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var a = ['a', 'b', 'c', 'd'];
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goog.array.forEach(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('Index is not a number', 'number', typeof index);
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s += val + index;
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});
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assertEquals('a0b1c2d3', s);
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}
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function testArrayForEachWithEmptyArray() {
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var a = new Array(100);
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goog.array.forEach(a, function(val, index, a2) {
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fail('The function should not be called since no values were assigned.');
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});
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}
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function testArrayForEachWithOnlySomeValuesAsigned() {
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var count = 0;
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var a = new Array(1000);
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a[100] = undefined;
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goog.array.forEach(a, function(val, index, a2) {
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assertEquals(100, index);
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count++;
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});
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assertEquals('Should only call function when a value of array was assigned.',
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1, count);
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}
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function testArrayForEachWithArrayLikeObject() {
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var counter = goog.testing.recordFunction();
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var a = {
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'length': 1,
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'0': 0,
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'100': 100,
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'101': 102
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};
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goog.array.forEach(a, counter);
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assertEquals('Number of calls should not exceed the value of its length', 1,
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counter.getCallCount());
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}
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function testArrayForEachOmitsDeleted() {
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var s = '';
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var a = ['a', 'b', 'c', 'd'];
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delete a[1];
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delete a[3];
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goog.array.forEach(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('number', typeof index);
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s += val + index;
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});
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assertEquals('a0c2', s);
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}
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function testArrayForEachScope() {
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var scope = {};
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var a = ['a', 'b', 'c', 'd'];
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goog.array.forEach(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('number', typeof index);
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assertEquals(this, scope);
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}, scope);
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}
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function testArrayForEachRight() {
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var s = '';
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var a = ['a', 'b', 'c', 'd'];
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goog.array.forEachRight(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('number', typeof index);
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s += val + String(index);
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});
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assertEquals('d3c2b1a0', s);
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}
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function testArrayForEachRightOmitsDeleted() {
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var s = '';
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var a = ['a', 'b', 'c', 'd'];
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delete a[1];
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delete a[3];
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goog.array.forEachRight(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('number', typeof index);
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assertEquals('string', typeof val);
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s += val + String(index);
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});
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assertEquals('c2a0', s);
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}
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function testArrayFilter() {
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var a = [0, 1, 2, 3];
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a = goog.array.filter(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('index is not a number', 'number', typeof index);
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return val > 1;
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});
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assertArrayEquals([2, 3], a);
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}
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function testArrayFilterOmitsDeleted() {
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var a = [0, 1, 2, 3];
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delete a[1];
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delete a[3];
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a = goog.array.filter(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('number', typeof val);
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assertEquals('index is not a number', 'number', typeof index);
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return val > 1;
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});
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assertArrayEquals([2], a);
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}
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function testArrayFilterPreservesValues() {
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var a = [0, 1, 2, 3];
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a = goog.array.filter(a, function(val, index, a2) {
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assertEquals(a, a2);
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// sometimes functions might be evil and do something like this, but we
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// should still use the original values when returning the filtered array
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a2[index] = a2[index] - 1;
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return a2[index] >= 1;
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});
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assertArrayEquals([2, 3], a);
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}
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function testArrayMap() {
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var a = [0, 1, 2, 3];
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var result = goog.array.map(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('index is not a number', 'number', typeof index);
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return val * val;
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});
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assertArrayEquals([0, 1, 4, 9], result);
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}
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function testArrayMapOmitsDeleted() {
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var a = [0, 1, 2, 3];
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delete a[1];
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delete a[3];
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var result = goog.array.map(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('number', typeof val);
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assertEquals('index is not a number', 'number', typeof index);
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return val * val;
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});
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var expected = [0, 1, 4, 9];
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delete expected[1];
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delete expected[3];
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assertArrayEquals(expected, result);
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assertFalse('1' in result);
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assertFalse('3' in result);
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}
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function testArrayReduce() {
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var a = [0, 1, 2, 3];
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assertEquals(6, goog.array.reduce(a, function(rval, val, i, arr) {
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assertEquals('number', typeof i);
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assertEquals(a, arr);
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return rval + val;
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}, 0));
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var scope = {
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last: 0,
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testFn: function(r, v, i, arr) {
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assertEquals('number', typeof i);
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assertEquals(a, arr);
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var l = this.last;
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this.last = r + v;
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return this.last + l;
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}
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};
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assertEquals(10, goog.array.reduce(a, scope.testFn, 0, scope));
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}
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function testArrayReduceOmitDeleted() {
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var a = [0, 1, 2, 3];
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delete a[1];
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delete a[3];
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assertEquals(2, goog.array.reduce(a, function(rval, val, i, arr) {
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assertEquals('number', typeof i);
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assertEquals(a, arr);
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return rval + val;
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}, 0));
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var scope = {
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last: 0,
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testFn: function(r, v, i, arr) {
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assertEquals('number', typeof i);
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assertEquals(a, arr);
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var l = this.last;
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this.last = r + v;
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return this.last + l;
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}
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};
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assertEquals(2, goog.array.reduce(a, scope.testFn, 0, scope));
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}
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function testArrayReduceRight() {
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var a = [0, 1, 2, 3, 4];
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assertEquals('43210', goog.array.reduceRight(a, function(rval, val, i, arr) {
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assertEquals('number', typeof i);
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assertEquals(a, arr);
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return rval + val;
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}, ''));
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var scope = {
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last: '',
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testFn: function(r, v, i, arr) {
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assertEquals('number', typeof i);
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assertEquals(a, arr);
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var l = this.last;
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this.last = v;
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return r + v + l;
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}
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};
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a = ['a', 'b', 'c'];
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assertEquals('_cbcab', goog.array.reduceRight(a, scope.testFn, '_', scope));
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}
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function testArrayReduceRightOmitsDeleted() {
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var a = [0, 1, 2, 3, 4];
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delete a[1];
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delete a[4];
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assertEquals('320', goog.array.reduceRight(a, function(rval, val, i, arr) {
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assertEquals('number', typeof i);
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assertEquals(a, arr);
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return rval + val;
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}, ''));
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scope = {
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last: '',
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testFn: function(r, v, i, arr) {
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assertEquals('number', typeof i);
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assertEquals(a, arr);
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var l = this.last;
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this.last = v;
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return r + v + l;
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}
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};
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a = ['a', 'b', 'c', 'd'];
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delete a[1];
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delete a[3];
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assertEquals('_cac', goog.array.reduceRight(a, scope.testFn, '_', scope));
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}
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function testArrayFind() {
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var a = [0, 1, 2, 3];
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var b = goog.array.find(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('index is not a number', 'number', typeof index);
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return val > 1;
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});
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assertEquals(2, b);
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b = goog.array.find(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('index is not a number', 'number', typeof index);
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return val > 100;
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});
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assertNull(b);
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a = 'abCD';
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b = goog.array.find(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('index is not a number', 'number', typeof index);
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return val >= 'A' && val <= 'Z';
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});
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assertEquals('C', b);
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a = 'abcd';
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b = goog.array.find(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('index is not a number', 'number', typeof index);
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return val >= 'A' && val <= 'Z';
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});
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assertNull(b);
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}
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function testArrayFindOmitsDeleted() {
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var a = [0, 1, 2, 3];
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delete a[1];
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delete a[3];
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var b = goog.array.find(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('index is not a number', 'number', typeof index);
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return val > 1;
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});
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assertEquals(2, b);
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b = goog.array.find(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('index is not a number', 'number', typeof index);
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return val > 100;
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});
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assertNull(b);
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}
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function testArrayFindIndex() {
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var a = [0, 1, 2, 3];
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var b = goog.array.findIndex(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('index is not a number', 'number', typeof index);
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return val > 1;
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});
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assertEquals(2, b);
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b = goog.array.findIndex(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('index is not a number', 'number', typeof index);
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return val > 100;
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});
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assertEquals(-1, b);
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a = 'abCD';
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b = goog.array.findIndex(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('index is not a number', 'number', typeof index);
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return val >= 'A' && val <= 'Z';
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});
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assertEquals(2, b);
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a = 'abcd';
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b = goog.array.findIndex(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('index is not a number', 'number', typeof index);
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return val >= 'A' && val <= 'Z';
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});
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assertEquals(-1, b);
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}
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function testArrayFindIndexOmitsDeleted() {
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var a = [0, 1, 2, 3];
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delete a[1];
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delete a[3];
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var b = goog.array.findIndex(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('index is not a number', 'number', typeof index);
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return val > 1;
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});
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assertEquals(2, b);
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b = goog.array.findIndex(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('index is not a number', 'number', typeof index);
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return val > 100;
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});
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assertEquals(-1, b);
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}
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function testArrayFindRight() {
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var a = [0, 1, 2, 3];
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var b = goog.array.findRight(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('index is not a number', 'number', typeof index);
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return val < 3;
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});
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assertEquals(2, b);
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b = goog.array.findRight(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('index is not a number', 'number', typeof index);
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return val > 100;
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});
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assertNull(b);
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}
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function testArrayFindRightOmitsDeleted() {
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var a = [0, 1, 2, 3];
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delete a[1];
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delete a[3];
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var b = goog.array.findRight(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('index is not a number', 'number', typeof index);
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return val < 3;
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});
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assertEquals(2, b);
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b = goog.array.findRight(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('index is not a number', 'number', typeof index);
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return val > 100;
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});
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assertNull(b);
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}
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function testArrayFindIndexRight() {
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var a = [0, 1, 2, 3];
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var b = goog.array.findIndexRight(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('index is not a number', 'number', typeof index);
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return val < 3;
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});
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assertEquals(2, b);
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b = goog.array.findIndexRight(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('index is not a number', 'number', typeof index);
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return val > 100;
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});
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assertEquals(-1, b);
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a = 'abCD';
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b = goog.array.findIndexRight(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('index is not a number', 'number', typeof index);
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return val >= 'a' && val <= 'z';
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});
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assertEquals(1, b);
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a = 'abcd';
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b = goog.array.findIndexRight(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('index is not a number', 'number', typeof index);
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return val >= 'A' && val <= 'Z';
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});
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assertEquals(-1, b);
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}
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function testArrayFindIndexRightOmitsDeleted() {
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var a = [0, 1, 2, 3];
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delete a[1];
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delete a[3];
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var b = goog.array.findIndexRight(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('index is not a number', 'number', typeof index);
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return val < 3;
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});
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assertEquals(2, b);
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b = goog.array.findIndexRight(a, function(val, index, a2) {
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assertEquals(a, a2);
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assertEquals('index is not a number', 'number', typeof index);
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return val > 100;
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});
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assertEquals(-1, b);
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}
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function testArraySome() {
|
|
var a = [0, 1, 2, 3];
|
|
var b = goog.array.some(a, function(val, index, a2) {
|
|
assertEquals(a, a2);
|
|
assertEquals('index is not a number', 'number', typeof index);
|
|
return val > 1;
|
|
});
|
|
assertTrue(b);
|
|
b = goog.array.some(a, function(val, index, a2) {
|
|
assertEquals(a, a2);
|
|
assertEquals('index is not a number', 'number', typeof index);
|
|
return val > 100;
|
|
});
|
|
assertFalse(b);
|
|
}
|
|
|
|
function testArraySomeOmitsDeleted() {
|
|
var a = [0, 1, 2, 3];
|
|
delete a[1];
|
|
delete a[3];
|
|
var b = goog.array.some(a, function(val, index, a2) {
|
|
assertEquals(a, a2);
|
|
assertEquals('number', typeof val);
|
|
assertEquals('index is not a number', 'number', typeof index);
|
|
return val > 1;
|
|
});
|
|
assertTrue(b);
|
|
b = goog.array.some(a, function(val, index, a2) {
|
|
assertEquals(a, a2);
|
|
assertEquals('number', typeof val);
|
|
assertEquals('index is not a number', 'number', typeof index);
|
|
return val > 100;
|
|
});
|
|
assertFalse(b);
|
|
}
|
|
|
|
function testArrayEvery() {
|
|
var a = [0, 1, 2, 3];
|
|
var b = goog.array.every(a, function(val, index, a2) {
|
|
assertEquals(a, a2);
|
|
assertEquals('index is not a number', 'number', typeof index);
|
|
return val >= 0;
|
|
});
|
|
assertTrue(b);
|
|
b = goog.array.every(a, function(val, index, a2) {
|
|
assertEquals(a, a2);
|
|
assertEquals('index is not a number', 'number', typeof index);
|
|
return val > 1;
|
|
});
|
|
assertFalse(b);
|
|
}
|
|
|
|
function testArrayEveryOmitsDeleted() {
|
|
var a = [0, 1, 2, 3];
|
|
delete a[1];
|
|
delete a[3];
|
|
var b = goog.array.every(a, function(val, index, a2) {
|
|
assertEquals(a, a2);
|
|
assertEquals('number', typeof val);
|
|
assertEquals('index is not a number', 'number', typeof index);
|
|
return val >= 0;
|
|
});
|
|
assertTrue(b);
|
|
b = goog.array.every(a, function(val, index, a2) {
|
|
assertEquals(a, a2);
|
|
assertEquals('number', typeof val);
|
|
assertEquals('index is not a number', 'number', typeof index);
|
|
return val > 1;
|
|
});
|
|
assertFalse(b);
|
|
}
|
|
|
|
function testArrayCount() {
|
|
var a = [0, 1, 2, 3, 4];
|
|
var context = {};
|
|
assertEquals(3, goog.array.count(a, function(element, index, array) {
|
|
assertTrue(goog.isNumber(index));
|
|
assertEquals(a, array);
|
|
assertEquals(context, this);
|
|
return element % 2 == 0;
|
|
}, context));
|
|
|
|
delete a[2];
|
|
assertEquals('deleted element is ignored', 4,
|
|
goog.array.count(a, function() {
|
|
return true;
|
|
}));
|
|
}
|
|
|
|
function testArrayContains() {
|
|
var a = [0, 1, 2, 3];
|
|
assertTrue('contain, Should contain 3', goog.array.contains(a, 3));
|
|
assertFalse('contain, Should not contain 4', goog.array.contains(a, 4));
|
|
|
|
var s = 'abcd';
|
|
assertTrue('contain, Should contain d', goog.array.contains(s, 'd'));
|
|
assertFalse('contain, Should not contain e', goog.array.contains(s, 'e'));
|
|
}
|
|
|
|
function testArrayContainsOmitsDeleted() {
|
|
var a = [0, 1, 2, 3];
|
|
delete a[1];
|
|
delete a[3];
|
|
assertFalse('should not contain undefined',
|
|
goog.array.contains(a, undefined));
|
|
}
|
|
|
|
function testArrayInsert() {
|
|
var a = [0, 1, 2, 3];
|
|
|
|
goog.array.insert(a, 4);
|
|
assertEquals('insert, Should append 4', a[4], 4);
|
|
goog.array.insert(a, 3);
|
|
assertEquals('insert, Should not append 3', a.length, 5);
|
|
assertNotEquals('insert, Should not append 3', a[a.length - 1], 3);
|
|
}
|
|
|
|
function testArrayInsertAt() {
|
|
var a = [0, 1, 2, 3];
|
|
|
|
goog.array.insertAt(a, 4, 2);
|
|
assertArrayEquals('insertAt, insert in middle', [0, 1, 4, 2, 3], a);
|
|
goog.array.insertAt(a, 5, 10);
|
|
assertArrayEquals('insertAt, too large value should append',
|
|
[0, 1, 4, 2, 3, 5], a);
|
|
goog.array.insertAt(a, 6);
|
|
assertArrayEquals('insertAt, null/undefined value should insert at 0',
|
|
[6, 0, 1, 4, 2, 3, 5], a);
|
|
goog.array.insertAt(a, 7, -2);
|
|
assertArrayEquals('insertAt, negative values start from end',
|
|
[6, 0, 1, 4, 2, 7, 3, 5], a);
|
|
}
|
|
|
|
function testArrayInsertArrayAt() {
|
|
var a = [2, 5];
|
|
goog.array.insertArrayAt(a, [3, 4], 1);
|
|
assertArrayEquals('insertArrayAt, insert in middle', [2, 3, 4, 5], a);
|
|
goog.array.insertArrayAt(a, [0, 1], 0);
|
|
assertArrayEquals('insertArrayAt, insert at beginning',
|
|
[0, 1, 2, 3, 4, 5], a);
|
|
goog.array.insertArrayAt(a, [6, 7], 6);
|
|
assertArrayEquals('insertArrayAt, insert at end',
|
|
[0, 1, 2, 3, 4, 5, 6, 7], a);
|
|
goog.array.insertArrayAt(a, ['x'], 4);
|
|
assertArrayEquals('insertArrayAt, insert one element',
|
|
[0, 1, 2, 3, 'x', 4, 5, 6, 7], a);
|
|
goog.array.insertArrayAt(a, [], 4);
|
|
assertArrayEquals('insertArrayAt, insert 0 elements',
|
|
[0, 1, 2, 3, 'x', 4, 5, 6, 7], a);
|
|
goog.array.insertArrayAt(a, ['y', 'z']);
|
|
assertArrayEquals('insertArrayAt, undefined value should insert at 0',
|
|
['y', 'z', 0, 1, 2, 3, 'x', 4, 5, 6, 7], a);
|
|
goog.array.insertArrayAt(a, ['a'], null);
|
|
assertArrayEquals('insertArrayAt, null value should insert at 0',
|
|
['a', 'y', 'z', 0, 1, 2, 3, 'x', 4, 5, 6, 7], a);
|
|
goog.array.insertArrayAt(a, ['b'], 100);
|
|
assertArrayEquals('insertArrayAt, too large value should append',
|
|
['a', 'y', 'z', 0, 1, 2, 3, 'x', 4, 5, 6, 7, 'b'], a);
|
|
goog.array.insertArrayAt(a, ['c', 'd'], -2);
|
|
assertArrayEquals('insertArrayAt, negative values start from end',
|
|
['a', 'y', 'z', 0, 1, 2, 3, 'x', 4, 5, 6, 'c', 'd', 7, 'b'], a);
|
|
}
|
|
|
|
function testArrayInsertBefore() {
|
|
var a = ['a', 'b', 'c', 'd'];
|
|
goog.array.insertBefore(a, 'e', 'b');
|
|
assertArrayEquals('insertBefore, with existing element',
|
|
['a', 'e', 'b', 'c', 'd'], a);
|
|
goog.array.insertBefore(a, 'f', 'x');
|
|
assertArrayEquals('insertBefore, with non existing element',
|
|
['a', 'e', 'b', 'c', 'd', 'f'], a);
|
|
}
|
|
|
|
function testArrayRemove() {
|
|
var a = ['a', 'b', 'c', 'd'];
|
|
goog.array.remove(a, 'c');
|
|
assertArrayEquals('remove, remove existing element', ['a', 'b', 'd'], a);
|
|
goog.array.remove(a, 'x');
|
|
assertArrayEquals('remove, remove non existing element', ['a', 'b', 'd'], a);
|
|
}
|
|
|
|
function testArrayRemoveAt() {
|
|
var a = [0, 1, 2, 3];
|
|
goog.array.removeAt(a, 2);
|
|
assertArrayEquals('removeAt, remove existing index', [0, 1, 3], a);
|
|
a = [0, 1, 2, 3];
|
|
goog.array.removeAt(a, 10);
|
|
assertArrayEquals('removeAt, remove non existing index', [0, 1, 2, 3], a);
|
|
a = [0, 1, 2, 3];
|
|
goog.array.removeAt(a, -2);
|
|
assertArrayEquals('removeAt, remove with negative index', [0, 1, 3], a);
|
|
}
|
|
|
|
function testArrayRemoveIf() {
|
|
var a = [0, 1, 2, 3];
|
|
var b = goog.array.removeIf(a, function(val, index, a2) {
|
|
assertEquals(a, a2);
|
|
assertEquals('index is not a number', 'number', typeof index);
|
|
return val > 1;
|
|
});
|
|
assertArrayEquals('removeIf, remove existing element', [0, 1, 3], a);
|
|
|
|
a = [0, 1, 2, 3];
|
|
var b = goog.array.removeIf(a, function(val, index, a2) {
|
|
assertEquals(a, a2);
|
|
assertEquals('index is not a number', 'number', typeof index);
|
|
return val > 100;
|
|
});
|
|
assertArrayEquals('removeIf, remove non-existing element', [0, 1, 2, 3], a);
|
|
}
|
|
|
|
function testArrayClone() {
|
|
var a = [0, 1, 2, 3];
|
|
var a2 = goog.array.clone(a);
|
|
assertArrayEquals('clone, should be equal', a, a2);
|
|
|
|
var b = {0: 0, 1: 1, 2: 2, 3: 3, length: 4};
|
|
var b2 = goog.array.clone(b);
|
|
for (var i = 0; i < b.length; i++) {
|
|
assertEquals('clone, should be equal', b[i], b2[i]);
|
|
}
|
|
}
|
|
|
|
function testToArray() {
|
|
var a = [0, 1, 2, 3];
|
|
var a2 = goog.array.toArray(a);
|
|
assertArrayEquals('toArray, should be equal', a, a2);
|
|
|
|
var b = {0: 0, 1: 1, 2: 2, 3: 3, length: 4};
|
|
var b2 = goog.array.toArray(b);
|
|
for (var i = 0; i < b.length; i++) {
|
|
assertEquals('toArray, should be equal', b[i], b2[i]);
|
|
}
|
|
}
|
|
|
|
function testToArrayOnNonArrayLike() {
|
|
var nonArrayLike = {};
|
|
assertArrayEquals('toArray on non ArrayLike should return an empty array',
|
|
[], goog.array.toArray(nonArrayLike));
|
|
|
|
var nonArrayLike2 = {length: 'hello world'};
|
|
assertArrayEquals('toArray on non ArrayLike should return an empty array',
|
|
[], goog.array.toArray(nonArrayLike2));
|
|
}
|
|
|
|
function testExtend() {
|
|
var a = [0, 1];
|
|
goog.array.extend(a, [2, 3]);
|
|
var a2 = [0, 1, 2, 3];
|
|
assertArrayEquals('extend, should be equal', a, a2);
|
|
|
|
var b = [0, 1];
|
|
goog.array.extend(b, 2);
|
|
var b2 = [0, 1, 2];
|
|
assertArrayEquals('extend, should be equal', b, b2);
|
|
|
|
a = [0, 1];
|
|
goog.array.extend(a, [2, 3], [4, 5]);
|
|
a2 = [0, 1, 2, 3, 4, 5];
|
|
assertArrayEquals('extend, should be equal', a, a2);
|
|
|
|
b = [0, 1];
|
|
goog.array.extend(b, 2, 3);
|
|
b2 = [0, 1, 2, 3];
|
|
assertArrayEquals('extend, should be equal', b, b2);
|
|
|
|
var c = [0, 1];
|
|
goog.array.extend(c, 2, [3, 4], 5, [6]);
|
|
var c2 = [0, 1, 2, 3, 4, 5, 6];
|
|
assertArrayEquals('extend, should be equal', c, c2);
|
|
|
|
var d = [0, 1];
|
|
var arrayLikeObject = {0: 2, 1: 3, length: 2};
|
|
goog.array.extend(d, arrayLikeObject);
|
|
var d2 = [0, 1, 2, 3];
|
|
assertArrayEquals('extend, should be equal', d, d2);
|
|
|
|
var e = [0, 1];
|
|
var emptyArrayLikeObject = {length: 0};
|
|
goog.array.extend(e, emptyArrayLikeObject);
|
|
assertArrayEquals('extend, should be equal', e, e);
|
|
|
|
var f = [0, 1];
|
|
var length3ArrayLikeObject = {0: 2, 1: 4, 2: 8, length: 3};
|
|
goog.array.extend(f, length3ArrayLikeObject, length3ArrayLikeObject);
|
|
var f2 = [0, 1, 2, 4, 8, 2, 4, 8];
|
|
assertArrayEquals('extend, should be equal', f2, f);
|
|
|
|
var result = [];
|
|
var i = 1000000;
|
|
var bigArray = Array(i);
|
|
while (i--) {
|
|
bigArray[i] = i;
|
|
}
|
|
goog.array.extend(result, bigArray);
|
|
assertArrayEquals(bigArray, result);
|
|
}
|
|
|
|
function testExtendWithArguments() {
|
|
function f() {
|
|
return arguments;
|
|
}
|
|
var a = [0];
|
|
var a2 = [0, 1, 2, 3, 4, 5];
|
|
goog.array.extend(a, f(1, 2, 3), f(4, 5));
|
|
assertArrayEquals('extend, should be equal', a, a2);
|
|
}
|
|
|
|
function testExtendWithQuerySelector() {
|
|
var a = [0];
|
|
var d = goog.dom.getElementsByTagNameAndClass('div', 'foo');
|
|
goog.array.extend(a, d);
|
|
assertEquals(2, a.length);
|
|
}
|
|
|
|
function testArraySplice() {
|
|
var a = [0, 1, 2, 3];
|
|
goog.array.splice(a, 1, 0, 4);
|
|
assertArrayEquals([0, 4, 1, 2, 3], a);
|
|
goog.array.splice(a, 1, 1, 5);
|
|
assertArrayEquals([0, 5, 1, 2, 3], a);
|
|
goog.array.splice(a, 1, 1);
|
|
assertArrayEquals([0, 1, 2, 3], a);
|
|
// var args
|
|
goog.array.splice(a, 1, 1, 4, 5, 6);
|
|
assertArrayEquals([0, 4, 5, 6, 2, 3], a);
|
|
}
|
|
|
|
function testArraySlice() {
|
|
var a = [0, 1, 2, 3];
|
|
a = goog.array.slice(a, 1, 3);
|
|
assertArrayEquals([1, 2], a);
|
|
a = [0, 1, 2, 3];
|
|
a = goog.array.slice(a, 1, 6);
|
|
assertArrayEquals('slice, with too large end', [1, 2, 3], a);
|
|
a = [0, 1, 2, 3];
|
|
a = goog.array.slice(a, 1, -1);
|
|
assertArrayEquals('slice, with negative end', [1, 2], a);
|
|
a = [0, 1, 2, 3];
|
|
a = goog.array.slice(a, -2, 3);
|
|
assertArrayEquals('slice, with negative start', [2], a);
|
|
}
|
|
|
|
function assertRemovedDuplicates(expected, original) {
|
|
var tempArr = goog.array.clone(original);
|
|
goog.array.removeDuplicates(tempArr);
|
|
assertArrayEquals(expected, tempArr);
|
|
}
|
|
|
|
function testRemoveDuplicates() {
|
|
assertRemovedDuplicates([1, 2, 3, 4, 5, 6], [1, 2, 3, 4, 5, 6]);
|
|
assertRemovedDuplicates([9, 4, 2, 1, 3, 6, 0, -9],
|
|
[9, 4, 2, 4, 4, 2, 9, 1, 3, 6, 0, -9]);
|
|
assertRemovedDuplicates(['four', 'one', 'two', 'three', 'THREE'],
|
|
['four', 'one', 'two', 'one', 'three', 'THREE', 'four', 'two']);
|
|
assertRemovedDuplicates([], []);
|
|
assertRemovedDuplicates(
|
|
['abc', 'hasOwnProperty', 'toString'],
|
|
['abc', 'hasOwnProperty', 'toString', 'abc']);
|
|
|
|
var o1 = {}, o2 = {}, o3 = {}, o4 = {};
|
|
assertRemovedDuplicates([o1, o2, o3, o4], [o1, o1, o2, o3, o2, o4]);
|
|
|
|
// Mixed object types.
|
|
assertRemovedDuplicates([1, '1', 2, '2'], [1, '1', 2, '2']);
|
|
assertRemovedDuplicates([true, 'true', false, 'false'],
|
|
[true, 'true', false, 'false']);
|
|
assertRemovedDuplicates(['foo'], [String('foo'), 'foo']);
|
|
assertRemovedDuplicates([12], [Number(12), 12]);
|
|
|
|
var obj = {};
|
|
var uid = goog.getUid(obj);
|
|
assertRemovedDuplicates([obj, uid], [obj, uid]);
|
|
}
|
|
|
|
function testRemoveDuplicates_customHashFn() {
|
|
var object1 = {key: 'foo'};
|
|
var object2 = {key: 'bar'};
|
|
var dupeObject = {key: 'foo'};
|
|
var array = [object1, object2, dupeObject, 'bar'];
|
|
var hashFn = function(object) {
|
|
return goog.isObject(object) ? object.key :
|
|
(typeof object).charAt(0) + object;
|
|
};
|
|
goog.array.removeDuplicates(array, /* opt_rv */ undefined, hashFn);
|
|
assertArrayEquals([object1, object2, 'bar'], array);
|
|
}
|
|
|
|
function testBinaryInsertRemove() {
|
|
var makeChecker = function(array, fn, opt_compareFn) {
|
|
return function(value, expectResult, expectArray) {
|
|
var result = fn(array, value, opt_compareFn);
|
|
assertEquals(expectResult, result);
|
|
assertArrayEquals(expectArray, array);
|
|
}
|
|
};
|
|
|
|
var a = [];
|
|
var check = makeChecker(a, goog.array.binaryInsert);
|
|
check(3, true, [3]);
|
|
check(3, false, [3]);
|
|
check(1, true, [1, 3]);
|
|
check(5, true, [1, 3, 5]);
|
|
check(2, true, [1, 2, 3, 5]);
|
|
check(2, false, [1, 2, 3, 5]);
|
|
|
|
check = makeChecker(a, goog.array.binaryRemove);
|
|
check(0, false, [1, 2, 3, 5]);
|
|
check(3, true, [1, 2, 5]);
|
|
check(1, true, [2, 5]);
|
|
check(5, true, [2]);
|
|
check(2, true, []);
|
|
check(2, false, []);
|
|
|
|
// test with custom comparison function, which reverse orders numbers
|
|
var revNumCompare = function(a, b) { return b - a; };
|
|
|
|
check = makeChecker(a, goog.array.binaryInsert, revNumCompare);
|
|
check(3, true, [3]);
|
|
check(3, false, [3]);
|
|
check(1, true, [3, 1]);
|
|
check(5, true, [5, 3, 1]);
|
|
check(2, true, [5, 3, 2, 1]);
|
|
check(2, false, [5, 3, 2, 1]);
|
|
|
|
check = makeChecker(a, goog.array.binaryRemove, revNumCompare);
|
|
check(0, false, [5, 3, 2, 1]);
|
|
check(3, true, [5, 2, 1]);
|
|
check(1, true, [5, 2]);
|
|
check(5, true, [2]);
|
|
check(2, true, []);
|
|
check(2, false, []);
|
|
}
|
|
|
|
function testBinarySearch() {
|
|
var insertionPoint = function(position) { return -(position + 1)};
|
|
var pos;
|
|
|
|
// test default comparison on array of String(s)
|
|
var a = ['1000', '9', 'AB', 'ABC', 'ABCABC', 'ABD', 'ABDA', 'B', 'B', 'B',
|
|
'C', 'CA', 'CC', 'ZZZ', 'ab', 'abc', 'abcabc', 'abd', 'abda', 'b',
|
|
'c', 'ca', 'cc', 'zzz'];
|
|
|
|
assertEquals('\'1000\' should be found at index 0', 0,
|
|
goog.array.binarySearch(a, '1000'));
|
|
assertEquals('\'zzz\' should be found at index ' + (a.length - 1),
|
|
a.length - 1, goog.array.binarySearch(a, 'zzz'));
|
|
assertEquals('\'C\' should be found at index 10', 10,
|
|
goog.array.binarySearch(a, 'C'));
|
|
pos = goog.array.binarySearch(a, 'B');
|
|
assertTrue('\'B\' should be found at index 7 || 8 || 9', pos == 7 ||
|
|
pos == 8 || pos == 9);
|
|
pos = goog.array.binarySearch(a, '100');
|
|
assertTrue('\'100\' should not be found', pos < 0);
|
|
assertEquals('\'100\' should have an insertion point of 0', 0,
|
|
insertionPoint(pos));
|
|
pos = goog.array.binarySearch(a, 'zzz0');
|
|
assertTrue('\'zzz0\' should not be found', pos < 0);
|
|
assertEquals('\'zzz0\' should have an insertion point of ' + (a.length),
|
|
a.length, insertionPoint(pos));
|
|
pos = goog.array.binarySearch(a, 'BA');
|
|
assertTrue('\'BA\' should not be found', pos < 0);
|
|
assertEquals('\'BA\' should have an insertion point of 10', 10,
|
|
insertionPoint(pos));
|
|
|
|
// test 0 length array with default comparison
|
|
var b = [];
|
|
|
|
pos = goog.array.binarySearch(b, 'a');
|
|
assertTrue('\'a\' should not be found', pos < 0);
|
|
assertEquals('\'a\' should have an insertion point of 0', 0,
|
|
insertionPoint(pos));
|
|
|
|
// test single element array with default lexiographical comparison
|
|
var c = ['only item'];
|
|
|
|
assertEquals('\'only item\' should be found at index 0', 0,
|
|
goog.array.binarySearch(c, 'only item'));
|
|
pos = goog.array.binarySearch(c, 'a');
|
|
assertTrue('\'a\' should not be found', pos < 0);
|
|
assertEquals('\'a\' should have an insertion point of 0', 0,
|
|
insertionPoint(pos));
|
|
pos = goog.array.binarySearch(c, 'z');
|
|
assertTrue('\'z\' should not be found', pos < 0);
|
|
assertEquals('\'z\' should have an insertion point of 1', 1,
|
|
insertionPoint(pos));
|
|
|
|
// test default comparison on array of Number(s)
|
|
var d = [-897123.9, -321434.58758, -1321.3124, -324, -9, -3, 0, 0, 0,
|
|
0.31255, 5, 142.88888708, 334, 342, 453, 54254];
|
|
|
|
assertEquals('-897123.9 should be found at index 0', 0,
|
|
goog.array.binarySearch(d, -897123.9));
|
|
assertEquals('54254 should be found at index ' + (a.length - 1),
|
|
d.length - 1, goog.array.binarySearch(d, 54254));
|
|
assertEquals(
|
|
'-3 should be found at index 5', 5, goog.array.binarySearch(d, -3));
|
|
pos = goog.array.binarySearch(d, 0);
|
|
assertTrue('0 should be found at index 6 || 7 || 8', pos == 6 ||
|
|
pos == 7 || pos == 8);
|
|
pos = goog.array.binarySearch(d, -900000);
|
|
assertTrue('-900000 should not be found', pos < 0);
|
|
assertEquals('-900000 should have an insertion point of 0', 0,
|
|
insertionPoint(pos));
|
|
pos = goog.array.binarySearch(d, '54255');
|
|
assertTrue('54255 should not be found', pos < 0);
|
|
assertEquals('54255 should have an insertion point of ' + (d.length),
|
|
d.length, insertionPoint(pos));
|
|
pos = goog.array.binarySearch(d, 1.1);
|
|
assertTrue('1.1 should not be found', pos < 0);
|
|
assertEquals('1.1 should have an insertion point of 10', 10,
|
|
insertionPoint(pos));
|
|
|
|
// test with custom comparison function, which reverse orders numbers
|
|
var revNumCompare = function(a, b) { return b - a; };
|
|
|
|
var e = [54254, 453, 342, 334, 142.88888708, 5, 0.31255, 0, 0, 0, -3,
|
|
-9, -324, -1321.3124, -321434.58758, -897123.9];
|
|
|
|
assertEquals('54254 should be found at index 0', 0,
|
|
goog.array.binarySearch(e, 54254, revNumCompare));
|
|
assertEquals('-897123.9 should be found at index ' + (e.length - 1),
|
|
e.length - 1, goog.array.binarySearch(e, -897123.9, revNumCompare));
|
|
assertEquals('-3 should be found at index 10', 10,
|
|
goog.array.binarySearch(e, -3, revNumCompare));
|
|
pos = goog.array.binarySearch(e, 0, revNumCompare);
|
|
assertTrue('0 should be found at index || 10', pos == 7 ||
|
|
pos == 9 || pos == 10);
|
|
pos = goog.array.binarySearch(e, 54254.1, revNumCompare);
|
|
assertTrue('54254.1 should not be found', pos < 0);
|
|
assertEquals('54254.1 should have an insertion point of 0', 0,
|
|
insertionPoint(pos));
|
|
pos = goog.array.binarySearch(e, -897124, revNumCompare);
|
|
assertTrue('-897124 should not be found', pos < 0);
|
|
assertEquals('-897124 should have an insertion point of ' + (e.length),
|
|
e.length, insertionPoint(pos));
|
|
pos = goog.array.binarySearch(e, 1.1, revNumCompare);
|
|
assertTrue('1.1 should not be found', pos < 0);
|
|
assertEquals('1.1 should have an insertion point of 6', 6,
|
|
insertionPoint(pos));
|
|
|
|
// test 0 length array with custom comparison function
|
|
var f = [];
|
|
|
|
pos = goog.array.binarySearch(f, 0, revNumCompare);
|
|
assertTrue('0 should not be found', pos < 0);
|
|
assertEquals('0 should have an insertion point of 0', 0,
|
|
insertionPoint(pos));
|
|
|
|
// test single element array with custom comparison function
|
|
var g = [1];
|
|
|
|
assertEquals('1 should be found at index 0', 0, goog.array.binarySearch(g, 1,
|
|
revNumCompare));
|
|
pos = goog.array.binarySearch(g, 2, revNumCompare);
|
|
assertTrue('2 should not be found', pos < 0);
|
|
assertEquals('2 should have an insertion point of 0', 0,
|
|
insertionPoint(pos));
|
|
pos = goog.array.binarySearch(g, 0, revNumCompare);
|
|
assertTrue('0 should not be found', pos < 0);
|
|
assertEquals('0 should have an insertion point of 1', 1,
|
|
insertionPoint(pos));
|
|
|
|
assertEquals('binarySearch should find the index of the first 0',
|
|
0, goog.array.binarySearch([0, 0, 1], 0));
|
|
assertEquals('binarySearch should find the index of the first 1',
|
|
1, goog.array.binarySearch([0, 1, 1], 1));
|
|
}
|
|
|
|
|
|
function testBinarySearchPerformance() {
|
|
// Ensure that Array#slice, Function#apply and Function#call are not called
|
|
// from within binarySearch, since they have performance implications in IE.
|
|
|
|
var propertyReplacer = new goog.testing.PropertyReplacer();
|
|
propertyReplacer.replace(Array.prototype, 'slice', function() {
|
|
fail('Should not call Array#slice from binary search.');
|
|
});
|
|
propertyReplacer.replace(Function.prototype, 'apply', function() {
|
|
fail('Should not call Function#apply from binary search.');
|
|
});
|
|
propertyReplacer.replace(Function.prototype, 'call', function() {
|
|
fail('Should not call Function#call from binary search.');
|
|
});
|
|
|
|
try {
|
|
var array = [1, 5, 7, 11, 13, 16, 19, 24, 28, 31, 33, 36, 40, 50, 52, 55];
|
|
// Test with the default comparison function.
|
|
goog.array.binarySearch(array, 48);
|
|
// Test with a custom comparison function.
|
|
goog.array.binarySearch(array, 13, function(a, b) {
|
|
return a > b ? 1 : a < b ? -1 : 0;
|
|
});
|
|
} finally {
|
|
// The test runner uses Function.prototype.apply to call tearDown in the
|
|
// global context so it has to be reset here.
|
|
propertyReplacer.reset();
|
|
}
|
|
}
|
|
|
|
|
|
function testBinarySelect() {
|
|
var insertionPoint = function(position) { return -(position + 1)};
|
|
var numbers = [-897123.9, -321434.58758, -1321.3124, -324, -9, -3, 0, 0, 0,
|
|
0.31255, 5, 142.88888708, 334, 342, 453, 54254];
|
|
var objects = goog.array.map(numbers, function(n) {return {n: n};});
|
|
function makeEvaluator(target) {
|
|
return function(obj, i, arr) {
|
|
assertEquals(objects, arr);
|
|
assertEquals(obj, arr[i]);
|
|
return target - obj.n;
|
|
};
|
|
}
|
|
assertEquals('{n:-897123.9} should be found at index 0', 0,
|
|
goog.array.binarySelect(objects, makeEvaluator(-897123.9)));
|
|
assertEquals('{n:54254} should be found at index ' + (objects.length - 1),
|
|
objects.length - 1,
|
|
goog.array.binarySelect(objects, makeEvaluator(54254)));
|
|
assertEquals('{n:-3} should be found at index 5', 5,
|
|
goog.array.binarySelect(objects, makeEvaluator(-3)));
|
|
pos = goog.array.binarySelect(objects, makeEvaluator(0));
|
|
assertTrue('{n:0} should be found at index 6 || 7 || 8', pos == 6 ||
|
|
pos == 7 || pos == 8);
|
|
pos = goog.array.binarySelect(objects, makeEvaluator(-900000));
|
|
assertTrue('{n:-900000} should not be found', pos < 0);
|
|
assertEquals('{n:-900000} should have an insertion point of 0', 0,
|
|
insertionPoint(pos));
|
|
pos = goog.array.binarySelect(objects, makeEvaluator('54255'));
|
|
assertTrue('{n:54255} should not be found', pos < 0);
|
|
assertEquals('{n:54255} should have an insertion point of ' +
|
|
(objects.length), objects.length, insertionPoint(pos));
|
|
pos = goog.array.binarySelect(objects, makeEvaluator(1.1));
|
|
assertTrue('{n:1.1} should not be found', pos < 0);
|
|
assertEquals('{n:1.1} should have an insertion point of 10', 10,
|
|
insertionPoint(pos));
|
|
}
|
|
|
|
|
|
function testArrayEquals() {
|
|
// Test argument types.
|
|
assertFalse('array == not array', goog.array.equals([], null));
|
|
assertFalse('not array == array', goog.array.equals(null, []));
|
|
assertFalse('not array == not array', goog.array.equals(null, null));
|
|
|
|
// Test with default comparison function.
|
|
assertTrue('[] == []', goog.array.equals([], []));
|
|
assertTrue('[1] == [1]', goog.array.equals([1], [1]));
|
|
assertTrue('["1"] == ["1"]', goog.array.equals(['1'], ['1']));
|
|
assertFalse('[1] == ["1"]', goog.array.equals([1], ['1']));
|
|
assertTrue('[null] == [null]', goog.array.equals([null], [null]));
|
|
assertFalse('[null] == [undefined]', goog.array.equals([null], [undefined]));
|
|
assertTrue('[1, 2] == [1, 2]', goog.array.equals([1, 2], [1, 2]));
|
|
assertFalse('[1, 2] == [2, 1]', goog.array.equals([1, 2], [2, 1]));
|
|
assertFalse('[1, 2] == [1]', goog.array.equals([1, 2], [1]));
|
|
assertFalse('[1] == [1, 2]', goog.array.equals([1], [1, 2]));
|
|
assertFalse('[{}] == [{}]', goog.array.equals([{}], [{}]));
|
|
|
|
// Test with custom comparison function.
|
|
var cmp = function(a, b) { return typeof a == typeof b; };
|
|
assertTrue('[] cmp []', goog.array.equals([], [], cmp));
|
|
assertTrue('[1] cmp [1]', goog.array.equals([1], [1], cmp));
|
|
assertTrue('[1] cmp [2]', goog.array.equals([1], [2], cmp));
|
|
assertTrue('["1"] cmp ["1"]', goog.array.equals(['1'], ['1'], cmp));
|
|
assertTrue('["1"] cmp ["2"]', goog.array.equals(['1'], ['2'], cmp));
|
|
assertFalse('[1] cmp ["1"]', goog.array.equals([1], ['1'], cmp));
|
|
assertTrue('[1, 2] cmp [3, 4]', goog.array.equals([1, 2], [3, 4], cmp));
|
|
assertFalse('[1] cmp [2, 3]', goog.array.equals([1], [2, 3], cmp));
|
|
assertTrue('[{}] cmp [{}]', goog.array.equals([{}], [{}], cmp));
|
|
assertTrue('[{}] cmp [{a: 1}]', goog.array.equals([{}], [{a: 1}], cmp));
|
|
|
|
// Test with array-like objects.
|
|
assertTrue('[5] == obj [5]',
|
|
goog.array.equals([5], {0: 5, length: 1}));
|
|
assertTrue('obj [5] == [5]',
|
|
goog.array.equals({0: 5, length: 1}, [5]));
|
|
assertTrue('["x"] == obj ["x"]',
|
|
goog.array.equals(['x'], {0: 'x', length: 1}));
|
|
assertTrue('obj ["x"] == ["x"]',
|
|
goog.array.equals({0: 'x', length: 1}, ['x']));
|
|
assertTrue('[5] == {0: 5, 1: 6, length: 1}',
|
|
goog.array.equals([5], {0: 5, 1: 6, length: 1}));
|
|
assertTrue('{0: 5, 1: 6, length: 1} == [5]',
|
|
goog.array.equals({0: 5, 1: 6, length: 1}, [5]));
|
|
assertFalse('[5, 6] == {0: 5, 1: 6, length: 1}',
|
|
goog.array.equals([5, 6], {0: 5, 1: 6, length: 1}));
|
|
assertFalse('{0: 5, 1: 6, length: 1}, [5, 6]',
|
|
goog.array.equals({0: 5, 1: 6, length: 1}, [5, 6]));
|
|
assertTrue('[5, 6] == obj [5, 6]',
|
|
goog.array.equals([5, 6], {0: 5, 1: 6, length: 2}));
|
|
assertTrue('obj [5, 6] == [5, 6]',
|
|
goog.array.equals({0: 5, 1: 6, length: 2}, [5, 6]));
|
|
assertFalse('{0: 5, 1: 6} == [5, 6]',
|
|
goog.array.equals({0: 5, 1: 6}, [5, 6]));
|
|
}
|
|
|
|
|
|
function testArrayCompare3Basic() {
|
|
assertEquals(0, goog.array.compare3([], []));
|
|
assertEquals(0, goog.array.compare3(['111', '222'], ['111', '222']));
|
|
assertEquals(-1, goog.array.compare3(['111', '222'], ['1111', '']));
|
|
assertEquals(1, goog.array.compare3(['111', '222'], ['111']));
|
|
assertEquals(1, goog.array.compare3(['11', '222', '333'], []));
|
|
assertEquals(-1, goog.array.compare3([], ['11', '222', '333']));
|
|
}
|
|
|
|
|
|
function testArrayCompare3ComparatorFn() {
|
|
function cmp(a, b) {
|
|
return a - b;
|
|
};
|
|
assertEquals(0, goog.array.compare3([], [], cmp));
|
|
assertEquals(0, goog.array.compare3([8, 4], [8, 4], cmp));
|
|
assertEquals(-1, goog.array.compare3([4, 3], [5, 0]));
|
|
assertEquals(1, goog.array.compare3([6, 2], [6]));
|
|
assertEquals(1, goog.array.compare3([1, 2, 3], []));
|
|
assertEquals(-1, goog.array.compare3([], [1, 2, 3]));
|
|
}
|
|
|
|
|
|
function testSort() {
|
|
// Test sorting empty array
|
|
var a = [];
|
|
goog.array.sort(a);
|
|
assertEquals('Sorted empty array is still an empty array (length 0)', 0,
|
|
a.length);
|
|
|
|
// Test sorting homogenous array of String(s) of length > 1
|
|
var b = ['JUST', '1', 'test', 'Array', 'to', 'test', 'array', 'Sort',
|
|
'about', 'NOW', '!!'];
|
|
var bSorted = ['!!', '1', 'Array', 'JUST', 'NOW', 'Sort', 'about', 'array',
|
|
'test', 'test', 'to'];
|
|
goog.array.sort(b);
|
|
assertArrayEquals(bSorted, b);
|
|
|
|
// Test sorting already sorted array of String(s) of length > 1
|
|
goog.array.sort(b);
|
|
assertArrayEquals(bSorted, b);
|
|
|
|
// Test sorting homogenous array of integer Number(s) of length > 1
|
|
var c = [100, 1, 2000, -1, 0, 1000023, 12312512, -12331, 123, 54325,
|
|
-38104783, 93708, 908, -213, -4, 5423, 0];
|
|
var cSorted = [-38104783, -12331, -213, -4, -1, 0, 0, 1, 100, 123, 908,
|
|
2000, 5423, 54325, 93708, 1000023, 12312512];
|
|
goog.array.sort(c);
|
|
assertArrayEquals(cSorted, c);
|
|
|
|
// Test sorting already sorted array of integer Number(s) of length > 1
|
|
goog.array.sort(c);
|
|
assertArrayEquals(cSorted, c);
|
|
|
|
// Test sorting homogenous array of Number(s) of length > 1
|
|
var e = [-1321.3124, 0.31255, 54254, 0, 142.88888708, -321434.58758, -324,
|
|
453, 334, -3, 5, -9, 342, -897123.9];
|
|
var eSorted = [-897123.9, -321434.58758, -1321.3124, -324, -9, -3, 0,
|
|
0.31255, 5, 142.88888708, 334, 342, 453, 54254];
|
|
goog.array.sort(e);
|
|
assertArrayEquals(eSorted, e);
|
|
|
|
// Test sorting already sorted array of Number(s) of length > 1
|
|
goog.array.sort(e);
|
|
assertArrayEquals(eSorted, e);
|
|
|
|
// Test sorting array of Number(s) of length > 1,
|
|
// using custom comparison function which does reverse ordering
|
|
var f = [-1321.3124, 0.31255, 54254, 0, 142.88888708, -321434.58758,
|
|
-324, 453, 334, -3, 5, -9, 342, -897123.9];
|
|
var fSorted = [54254, 453, 342, 334, 142.88888708, 5, 0.31255, 0, -3, -9,
|
|
-324, -1321.3124, -321434.58758, -897123.9];
|
|
goog.array.sort(f, function(a, b) { return b - a; });
|
|
assertArrayEquals(fSorted, f);
|
|
|
|
// Test sorting already sorted array of Number(s) of length > 1
|
|
// using custom comparison function which does reverse ordering
|
|
goog.array.sort(f, function(a, b) {return b - a; });
|
|
assertArrayEquals(fSorted, f);
|
|
|
|
// Test sorting array of custom Object(s) of length > 1 that have
|
|
// an overriden toString
|
|
function ComparedObject(value) {
|
|
this.value = value;
|
|
};
|
|
|
|
ComparedObject.prototype.toString = function() {
|
|
return this.value;
|
|
};
|
|
|
|
var co1 = new ComparedObject('a');
|
|
var co2 = new ComparedObject('b');
|
|
var co3 = new ComparedObject('c');
|
|
var co4 = new ComparedObject('d');
|
|
|
|
var g = [co3, co4, co2, co1];
|
|
var gSorted = [co1, co2, co3, co4];
|
|
goog.array.sort(g);
|
|
assertArrayEquals(gSorted, g);
|
|
|
|
// Test sorting already sorted array of custom Object(s) of length > 1
|
|
// that have an overriden toString
|
|
goog.array.sort(g);
|
|
assertArrayEquals(gSorted, g);
|
|
|
|
// Test sorting an array of custom Object(s) of length > 1 using
|
|
// a custom comparison function
|
|
var h = [co4, co2, co1, co3];
|
|
var hSorted = [co1, co2, co3, co4];
|
|
goog.array.sort(h, function(a, b) {
|
|
return a.value > b.value ? 1 : a.value < b.value ? -1 : 0;
|
|
});
|
|
assertArrayEquals(hSorted, h);
|
|
|
|
// Test sorting already sorted array of custom Object(s) of length > 1
|
|
// using a custom comparison function
|
|
goog.array.sort(h);
|
|
assertArrayEquals(hSorted, h);
|
|
|
|
// Test sorting arrays of length 1
|
|
var i = ['one'];
|
|
var iSorted = ['one'];
|
|
goog.array.sort(i);
|
|
assertArrayEquals(iSorted, i);
|
|
|
|
var j = [1];
|
|
var jSorted = [1];
|
|
goog.array.sort(j);
|
|
assertArrayEquals(jSorted, j);
|
|
|
|
var k = [1.1];
|
|
var kSorted = [1.1];
|
|
goog.array.sort(k);
|
|
assertArrayEquals(kSorted, k);
|
|
|
|
var l = [co3];
|
|
var lSorted = [co3];
|
|
goog.array.sort(l);
|
|
assertArrayEquals(lSorted, l);
|
|
|
|
var m = [co2];
|
|
var mSorted = [co2];
|
|
goog.array.sort(m, function(a, b) {
|
|
return a.value > b.value ? 1 : a.value < b.value ? -1 : 0;
|
|
});
|
|
assertArrayEquals(mSorted, m);
|
|
}
|
|
|
|
function testStableSort() {
|
|
// Test array with custom comparison function
|
|
var arr = [{key: 3, val: 'a'}, {key: 2, val: 'b'}, {key: 3, val: 'c'},
|
|
{key: 4, val: 'd'}, {key: 3, val: 'e'}];
|
|
var arrClone = goog.array.clone(arr);
|
|
|
|
function comparisonFn(obj1, obj2) {
|
|
return obj1.key - obj2.key;
|
|
}
|
|
goog.array.stableSort(arr, comparisonFn);
|
|
var sortedValues = [];
|
|
for (var i = 0; i < arr.length; i++) {
|
|
sortedValues.push(arr[i].val);
|
|
}
|
|
var wantedSortedValues = ['b', 'a', 'c', 'e', 'd'];
|
|
assertArrayEquals(wantedSortedValues, sortedValues);
|
|
|
|
// Test array without custom comparison function
|
|
var arr2 = [];
|
|
for (var i = 0; i < arrClone.length; i++) {
|
|
arr2.push({val: arrClone[i].val, toString:
|
|
goog.partial(function(index) {
|
|
return arrClone[index].key;
|
|
}, i)});
|
|
}
|
|
goog.array.stableSort(arr2);
|
|
var sortedValues2 = [];
|
|
for (var i = 0; i < arr2.length; i++) {
|
|
sortedValues2.push(arr2[i].val);
|
|
}
|
|
assertArrayEquals(wantedSortedValues, sortedValues2);
|
|
}
|
|
|
|
function testSortByKey() {
|
|
function Item(value) {
|
|
this.getValue = function() {
|
|
return value;
|
|
};
|
|
}
|
|
var keyFn = function(item) {
|
|
return item.getValue();
|
|
};
|
|
|
|
// Test without custom key comparison function
|
|
var arr1 = [new Item(3), new Item(2), new Item(1), new Item(5), new Item(4)];
|
|
goog.array.sortByKey(arr1, keyFn);
|
|
var wantedSortedValues1 = [1, 2, 3, 4, 5];
|
|
for (var i = 0; i < arr1.length; i++) {
|
|
assertEquals(wantedSortedValues1[i], arr1[i].getValue());
|
|
}
|
|
|
|
// Test with custom key comparison function
|
|
var arr2 = [new Item(3), new Item(2), new Item(1), new Item(5), new Item(4)];
|
|
function comparisonFn(key1, key2) {
|
|
return -(key1 - key2);
|
|
}
|
|
goog.array.sortByKey(arr2, keyFn, comparisonFn);
|
|
var wantedSortedValues2 = [5, 4, 3, 2, 1];
|
|
for (var i = 0; i < arr2.length; i++) {
|
|
assertEquals(wantedSortedValues2[i], arr2[i].getValue());
|
|
}
|
|
}
|
|
|
|
function testArrayBucketModulus() {
|
|
// bucket things by modulus
|
|
var a = {};
|
|
var b = [];
|
|
|
|
function modFive(num) {
|
|
return num % 5;
|
|
}
|
|
|
|
for (var i = 0; i < 20; i++) {
|
|
var mod = modFive(i);
|
|
a[mod] = a[mod] || [];
|
|
a[mod].push(i);
|
|
b.push(i);
|
|
}
|
|
|
|
var buckets = goog.array.bucket(b, modFive);
|
|
|
|
for (var i = 0; i < 5; i++) {
|
|
// The order isn't defined, but they should be the same sorted.
|
|
goog.array.sort(a[i]);
|
|
goog.array.sort(buckets[i]);
|
|
assertArrayEquals(a[i], buckets[i]);
|
|
}
|
|
}
|
|
|
|
function testArrayBucketEvenOdd() {
|
|
var a = [1, 2, 3, 4, 5, 6, 7, 8, 9];
|
|
|
|
// test even/odd
|
|
function isEven(value, index, array) {
|
|
assertEquals(value, array[index]);
|
|
assertEquals('number', typeof index);
|
|
assertEquals(a, array);
|
|
return value % 2 == 0;
|
|
}
|
|
|
|
var b = goog.array.bucket(a, isEven);
|
|
|
|
assertArrayEquals(b[true], [2, 4, 6, 8]);
|
|
assertArrayEquals(b[false], [1, 3, 5, 7, 9]);
|
|
}
|
|
|
|
function testArrayBucketUsingThisObject() {
|
|
var a = [1, 2, 3, 4, 5];
|
|
|
|
var obj = {
|
|
specialValue: 2
|
|
};
|
|
|
|
function isSpecialValue(value, index, array) {
|
|
return value == this.specialValue ? 1 : 0;
|
|
}
|
|
|
|
var b = goog.array.bucket(a, isSpecialValue, obj);
|
|
assertArrayEquals(b[0], [1, 3, 4, 5]);
|
|
assertArrayEquals(b[1], [2]);
|
|
}
|
|
|
|
function testArrayToObject() {
|
|
var a = [
|
|
{name: 'a'},
|
|
{name: 'b'},
|
|
{name: 'c'},
|
|
{name: 'd'}];
|
|
|
|
function getName(value, index, array) {
|
|
assertEquals(value, array[index]);
|
|
assertEquals('number', typeof index);
|
|
assertEquals(a, array);
|
|
return value.name;
|
|
}
|
|
|
|
var b = goog.array.toObject(a, getName);
|
|
|
|
for (var i = 0; i < a.length; i++) {
|
|
assertEquals(a[i], b[a[i].name]);
|
|
}
|
|
}
|
|
|
|
function testRange() {
|
|
assertArrayEquals([], goog.array.range(0));
|
|
assertArrayEquals([], goog.array.range(5, 5, 5));
|
|
assertArrayEquals([], goog.array.range(-3, -3));
|
|
assertArrayEquals([], goog.array.range(10, undefined, -1));
|
|
assertArrayEquals([], goog.array.range(8, 0));
|
|
assertArrayEquals([], goog.array.range(-5, -10, 3));
|
|
|
|
assertArrayEquals([0], goog.array.range(1));
|
|
assertArrayEquals([0, 1, 2, 3, 4, 5, 6, 7, 8, 9], goog.array.range(10));
|
|
|
|
assertArrayEquals([1], goog.array.range(1, 2));
|
|
assertArrayEquals([-3, -2, -1, 0, 1, 2], goog.array.range(-3, 3));
|
|
|
|
assertArrayEquals([4], goog.array.range(4, 40, 400));
|
|
assertArrayEquals([5, 8, 11, 14], goog.array.range(5, 15, 3));
|
|
assertArrayEquals([1, -1, -3], goog.array.range(1, -5, -2));
|
|
assertElementsRoughlyEqual([.2, .3, .4], goog.array.range(.2, .5, .1), 0.001);
|
|
|
|
assertArrayEquals([0], goog.array.range(7, undefined, 9));
|
|
assertArrayEquals([0, 2, 4, 6], goog.array.range(8, undefined, 2));
|
|
}
|
|
|
|
function testArrayRepeat() {
|
|
assertArrayEquals([], goog.array.repeat(3, 0));
|
|
assertArrayEquals([], goog.array.repeat(3, -1));
|
|
assertArrayEquals([3], goog.array.repeat(3, 1));
|
|
assertArrayEquals([3, 3, 3], goog.array.repeat(3, 3));
|
|
assertArrayEquals([null, null], goog.array.repeat(null, 2));
|
|
}
|
|
|
|
function testArrayFlatten() {
|
|
assertArrayEquals([1, 2, 3, 4, 5], goog.array.flatten(1, 2, 3, 4, 5));
|
|
assertArrayEquals([1, 2, 3, 4, 5], goog.array.flatten(1, [2, [3, [4, 5]]]));
|
|
assertArrayEquals([1, 2, 3, 4], goog.array.flatten(1, [2, [3, [4]]]));
|
|
assertArrayEquals([1, 2, 3, 4], goog.array.flatten([[[1], 2], 3], 4));
|
|
assertArrayEquals([1], goog.array.flatten([[1]]));
|
|
assertArrayEquals([], goog.array.flatten());
|
|
assertArrayEquals([], goog.array.flatten([]));
|
|
assertArrayEquals(goog.array.repeat(3, 180002),
|
|
goog.array.flatten(3, goog.array.repeat(3, 180000), 3));
|
|
assertArrayEquals(goog.array.repeat(3, 180000),
|
|
goog.array.flatten([goog.array.repeat(3, 180000)]));
|
|
}
|
|
|
|
function testSortObjectsByKey() {
|
|
var sortedArray = buildSortedObjectArray(4);
|
|
var objects =
|
|
[sortedArray[1], sortedArray[2], sortedArray[0], sortedArray[3]];
|
|
|
|
goog.array.sortObjectsByKey(objects, 'name');
|
|
validateObjectArray(sortedArray, objects);
|
|
}
|
|
|
|
function testSortObjectsByKeyWithCompareFunction() {
|
|
var sortedArray = buildSortedObjectArray(4);
|
|
var objects =
|
|
[sortedArray[1], sortedArray[2], sortedArray[0], sortedArray[3]];
|
|
var descSortedArray =
|
|
[sortedArray[3], sortedArray[2], sortedArray[1], sortedArray[0]];
|
|
|
|
function descCompare(a, b) {
|
|
return a < b ? 1 : a > b ? -1 : 0;
|
|
};
|
|
|
|
goog.array.sortObjectsByKey(objects, 'name', descCompare);
|
|
validateObjectArray(descSortedArray, objects);
|
|
}
|
|
|
|
function buildSortedObjectArray(size) {
|
|
var objectArray = [];
|
|
for (var i = 0; i < size; i++) {
|
|
objectArray.push({
|
|
'name': 'name_' + i,
|
|
'id': 'id_' + (size - i)
|
|
});
|
|
}
|
|
|
|
return objectArray;
|
|
}
|
|
|
|
function validateObjectArray(expected, actual) {
|
|
assertEquals(expected.length, actual.length);
|
|
for (var i = 0; i < expected.length; i++) {
|
|
assertEquals(expected[i].name, actual[i].name);
|
|
assertEquals(expected[i].id, actual[i].id);
|
|
}
|
|
}
|
|
|
|
function testIsSorted() {
|
|
assertTrue(goog.array.isSorted([1, 2, 3]));
|
|
assertTrue(goog.array.isSorted([1, 2, 2]));
|
|
assertFalse(goog.array.isSorted([1, 2, 1]));
|
|
|
|
assertTrue(goog.array.isSorted([1, 2, 3], null, true));
|
|
assertFalse(goog.array.isSorted([1, 2, 2], null, true));
|
|
assertFalse(goog.array.isSorted([1, 2, 1], null, true));
|
|
|
|
function compare(a, b) {
|
|
return b - a;
|
|
}
|
|
|
|
assertFalse(goog.array.isSorted([1, 2, 3], compare));
|
|
assertTrue(goog.array.isSorted([3, 2, 2], compare));
|
|
}
|
|
|
|
function assertRotated(expect, array, rotate) {
|
|
assertArrayEquals(expect, goog.array.rotate(array, rotate));
|
|
}
|
|
|
|
function testRotate() {
|
|
assertRotated([], [], 3);
|
|
assertRotated([1], [1], 3);
|
|
assertRotated([1, 2, 3, 4, 0], [0, 1, 2, 3, 4], -6);
|
|
assertRotated([0, 1, 2, 3, 4], [0, 1, 2, 3, 4], -5);
|
|
assertRotated([4, 0, 1, 2, 3], [0, 1, 2, 3, 4], -4);
|
|
assertRotated([3, 4, 0, 1, 2], [0, 1, 2, 3, 4], -3);
|
|
assertRotated([2, 3, 4, 0, 1], [0, 1, 2, 3, 4], -2);
|
|
assertRotated([1, 2, 3, 4, 0], [0, 1, 2, 3, 4], -1);
|
|
assertRotated([0, 1, 2, 3, 4], [0, 1, 2, 3, 4], 0);
|
|
assertRotated([4, 0, 1, 2, 3], [0, 1, 2, 3, 4], 1);
|
|
assertRotated([3, 4, 0, 1, 2], [0, 1, 2, 3, 4], 2);
|
|
assertRotated([2, 3, 4, 0, 1], [0, 1, 2, 3, 4], 3);
|
|
assertRotated([1, 2, 3, 4, 0], [0, 1, 2, 3, 4], 4);
|
|
assertRotated([0, 1, 2, 3, 4], [0, 1, 2, 3, 4], 5);
|
|
assertRotated([4, 0, 1, 2, 3], [0, 1, 2, 3, 4], 6);
|
|
}
|
|
|
|
function testMoveItemWithArray() {
|
|
var arr = [0, 1, 2, 3];
|
|
goog.array.moveItem(arr, 1, 3); // toIndex > fromIndex
|
|
assertArrayEquals([0, 2, 3, 1], arr);
|
|
goog.array.moveItem(arr, 2, 0); // toIndex < fromIndex
|
|
assertArrayEquals([3, 0, 2, 1], arr);
|
|
goog.array.moveItem(arr, 1, 1); // toIndex == fromIndex
|
|
assertArrayEquals([3, 0, 2, 1], arr);
|
|
// Out-of-bounds indexes throw assertion errors.
|
|
assertThrows(function() {
|
|
goog.array.moveItem(arr, -1, 1);
|
|
});
|
|
assertThrows(function() {
|
|
goog.array.moveItem(arr, 4, 1);
|
|
});
|
|
assertThrows(function() {
|
|
goog.array.moveItem(arr, 1, -1);
|
|
});
|
|
assertThrows(function() {
|
|
goog.array.moveItem(arr, 1, 4);
|
|
});
|
|
// The array should not be modified by the out-of-bound calls.
|
|
assertArrayEquals([3, 0, 2, 1], arr);
|
|
}
|
|
|
|
function testMoveItemWithArgumentsObject() {
|
|
var f = function() {
|
|
goog.array.moveItem(arguments, 0, 1);
|
|
return arguments;
|
|
};
|
|
assertArrayEquals([1, 0], goog.array.toArray(f(0, 1)));
|
|
}
|
|
|
|
function testConcat() {
|
|
var a1 = [1, 2, 3];
|
|
var a2 = [4, 5, 6];
|
|
var a3 = goog.array.concat(a1, a2);
|
|
a1.push(1);
|
|
a2.push(5);
|
|
assertArrayEquals([1, 2, 3, 4, 5, 6], a3);
|
|
}
|
|
|
|
function testConcatWithNoSecondArg() {
|
|
var a1 = [1, 2, 3, 4];
|
|
var a2 = goog.array.concat(a1);
|
|
a1.push(5);
|
|
assertArrayEquals([1, 2, 3, 4], a2);
|
|
}
|
|
|
|
function testConcatWithNonArrayArgs() {
|
|
var a1 = [1, 2, 3, 4];
|
|
var o = {0: 'a', 1: 'b', length: 2};
|
|
var a2 = goog.array.concat(a1, 5, '10', o);
|
|
assertArrayEquals([1, 2, 3, 4, 5, '10', o], a2);
|
|
}
|
|
|
|
function testConcatWithNull() {
|
|
var a1 = goog.array.concat(null, [1, 2, 3]);
|
|
var a2 = goog.array.concat([1, 2, 3], null);
|
|
assertArrayEquals([null, 1, 2, 3], a1);
|
|
assertArrayEquals([1, 2, 3, null], a2);
|
|
}
|
|
|
|
function testZip() {
|
|
var a1 = goog.array.zip([1, 2, 3], [3, 2, 1]);
|
|
var a2 = goog.array.zip([1, 2], [3, 2, 1]);
|
|
var a3 = goog.array.zip();
|
|
assertArrayEquals([[1, 3], [2, 2], [3, 1]], a1);
|
|
assertArrayEquals([[1, 3], [2, 2]], a2);
|
|
assertArrayEquals([], a3);
|
|
}
|
|
|
|
function testShuffle() {
|
|
// Test array. This array should have unique values for the purposes of this
|
|
// test case.
|
|
var testArray = [1, 2, 3, 4, 5];
|
|
var testArrayCopy = goog.array.clone(testArray);
|
|
|
|
// Custom random function, which always returns a value approaching 1,
|
|
// resulting in a "shuffle" that preserves the order of original array
|
|
// (for array sizes that we work with here).
|
|
var noChangeShuffleFunction = function() {
|
|
return .999999;
|
|
};
|
|
goog.array.shuffle(testArray, noChangeShuffleFunction);
|
|
assertArrayEquals(testArrayCopy, testArray);
|
|
|
|
// Custom random function, which always returns 0, resulting in a
|
|
// deterministic "shuffle" that is predictable but differs from the
|
|
// original order of the array.
|
|
var testShuffleFunction = function() {
|
|
return 0;
|
|
};
|
|
goog.array.shuffle(testArray, testShuffleFunction);
|
|
assertArrayEquals([2, 3, 4, 5, 1], testArray);
|
|
|
|
// Test the use of a real random function(no optional RNG is specified).
|
|
goog.array.shuffle(testArray);
|
|
|
|
// Ensure the shuffled array comprises the same elements (without regard to
|
|
// order).
|
|
assertSameElements(testArrayCopy, testArray);
|
|
}
|
|
|
|
function testRemoveAllIf() {
|
|
var testArray = [9, 1, 9, 2, 9, 3, 4, 9, 9, 9, 5];
|
|
var expectedArray = [1, 2, 3, 4, 5];
|
|
|
|
var actualOutput = goog.array.removeAllIf(testArray, function(el) {
|
|
return el == 9;
|
|
});
|
|
|
|
assertEquals(6, actualOutput);
|
|
assertArrayEquals(expectedArray, testArray);
|
|
}
|
|
|
|
function testRemoveAllIf_noMatches() {
|
|
var testArray = [1];
|
|
var expectedArray = [1];
|
|
|
|
var actualOutput = goog.array.removeAllIf(testArray, function(el) {
|
|
return false;
|
|
});
|
|
|
|
assertEquals(0, actualOutput);
|
|
assertArrayEquals(expectedArray, testArray);
|
|
}
|
|
|
|
function testCopyByIndex() {
|
|
var testArray = [1, 2, 'a', 'b', 'c', 'd'];
|
|
var copyIndexes = [1, 3, 0, 0, 2];
|
|
var expectedArray = [2, 'b', 1, 1, 'a'];
|
|
|
|
var actualOutput = goog.array.copyByIndex(testArray, copyIndexes);
|
|
|
|
assertArrayEquals(expectedArray, actualOutput);
|
|
}
|
|
|
|
function testComparators() {
|
|
var greater = 42;
|
|
var smaller = 13;
|
|
|
|
assertTrue(goog.array.defaultCompare(smaller, greater) < 0);
|
|
assertEquals(0, goog.array.defaultCompare(smaller, smaller));
|
|
assertTrue(goog.array.defaultCompare(greater, smaller) > 0);
|
|
|
|
assertTrue(goog.array.inverseDefaultCompare(greater, smaller) < 0);
|
|
assertEquals(0, goog.array.inverseDefaultCompare(greater, greater));
|
|
assertTrue(goog.array.inverseDefaultCompare(smaller, greater) > 0);
|
|
}
|