1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/tests/ecma_6/Array/find_findindex.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,206 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +//-----------------------------------------------------------------------------
1.10 +var BUGNUMBER = 885553;
1.11 +var summary = 'Array.prototype.find and Array.prototype.findIndex';
1.12 +
1.13 +print(BUGNUMBER + ": " + summary);
1.14 +
1.15 +/**************
1.16 + * BEGIN TEST *
1.17 + **************/
1.18 +
1.19 +function isString(v, index, array)
1.20 +{
1.21 + assertEq(array[index], v);
1.22 + return typeof v == 'string';
1.23 +}
1.24 +
1.25 +function dumpError(e)
1.26 +{
1.27 + var s = e.name + ': ' + e.message +
1.28 + ' File: ' + e.fileName +
1.29 + ', Line: ' + e.lineNumber +
1.30 + ', Stack: ' + e.stack;
1.31 + return s;
1.32 +}
1.33 +
1.34 +var expect;
1.35 +var actual;
1.36 +var obj;
1.37 +
1.38 +var strings = ['hello', 'Array', 'WORLD'];
1.39 +var mixed = [0, '1', 2];
1.40 +var sparsestrings = new Array();
1.41 +sparsestrings[2] = 'sparse';
1.42 +var arraylike = {0:0, 1:'string', 2:2, length:3};
1.43 +// array for which JSObject::isIndexed() holds.
1.44 +var indexedArray = [];
1.45 +Object.defineProperty(indexedArray, 42, { get: function() { return 42; } });
1.46 +Object.defineProperty(indexedArray, 142, { get: function() { return 'string'; } });
1.47 +
1.48 +// find and findIndex have 1 required argument
1.49 +
1.50 +expect = 1;
1.51 +actual = Array.prototype.find.length;
1.52 +reportCompare(expect, actual, 'Array.prototype.find.length == 1');
1.53 +actual = Array.prototype.findIndex.length;
1.54 +reportCompare(expect, actual, 'Array.prototype.findIndex.length == 1');
1.55 +
1.56 +// throw TypeError if no predicate specified
1.57 +expect = 'TypeError';
1.58 +try
1.59 +{
1.60 + strings.find();
1.61 + actual = 'no error';
1.62 +}
1.63 +catch(e)
1.64 +{
1.65 + actual = e.name;
1.66 +}
1.67 +reportCompare(expect, actual, 'Array.find(undefined) throws TypeError');
1.68 +try
1.69 +{
1.70 + strings.findIndex();
1.71 + actual = 'no error';
1.72 +}
1.73 +catch(e)
1.74 +{
1.75 + actual = e.name;
1.76 +}
1.77 +reportCompare(expect, actual, 'Array.findIndex(undefined) throws TypeError');
1.78 +
1.79 +// Length gets treated as integer, not uint32
1.80 +obj = { length: -4294967295, 0: 42 };
1.81 +expected = undefined;
1.82 +actual = Array.prototype.find.call(obj, () => true);
1.83 +reportCompare(expected, actual, 'find correctly treats "length" as an integer');
1.84 +expected = -1
1.85 +actual = Array.prototype.findIndex.call(obj, () => true);
1.86 +reportCompare(expected, actual, 'findIndex correctly treats "length" as an integer');
1.87 +
1.88 +// test find and findIndex results
1.89 +try
1.90 +{
1.91 + expect = 'hello';
1.92 + actual = strings.find(isString);
1.93 +}
1.94 +catch(e)
1.95 +{
1.96 + actual = dumpError(e);
1.97 +}
1.98 +reportCompare(expect, actual, 'strings: find finds first string element');
1.99 +
1.100 +try
1.101 +{
1.102 + expect = 0;
1.103 + actual = strings.findIndex(isString);
1.104 +}
1.105 +catch(e)
1.106 +{
1.107 + actual = dumpError(e);
1.108 +}
1.109 +reportCompare(expect, actual, 'strings: findIndex finds first string element');
1.110 +
1.111 +try
1.112 +{
1.113 + expect = '1';
1.114 + actual = mixed.find(isString);
1.115 +}
1.116 +catch(e)
1.117 +{
1.118 + actual = dumpError(e);
1.119 +}
1.120 +reportCompare(expect, actual, 'mixed: find finds first string element');
1.121 +
1.122 +try
1.123 +{
1.124 + expect = 1;
1.125 + actual = mixed.findIndex(isString);
1.126 +}
1.127 +catch(e)
1.128 +{
1.129 + actual = dumpError(e);
1.130 +}
1.131 +reportCompare(expect, actual, 'mixed: findIndex finds first string element');
1.132 +
1.133 +try
1.134 +{
1.135 + expect = 'sparse';
1.136 + actual = sparsestrings.find(isString);
1.137 +}
1.138 +catch(e)
1.139 +{
1.140 + actual = dumpError(e);
1.141 +}
1.142 +reportCompare(expect, actual, 'sparsestrings: find finds first string element');
1.143 +
1.144 +try
1.145 +{
1.146 + expect = 2;
1.147 + actual = sparsestrings.findIndex(isString);
1.148 +}
1.149 +catch(e)
1.150 +{
1.151 + actual = dumpError(e);
1.152 +}
1.153 +reportCompare(expect, actual, 'sparsestrings: findIndex finds first string element');
1.154 +
1.155 +try
1.156 +{
1.157 + expect = 'string';
1.158 + actual = [].find.call(arraylike, isString);
1.159 +}
1.160 +catch(e)
1.161 +{
1.162 + actual = dumpError(e);
1.163 +}
1.164 +reportCompare(expect, actual, 'arraylike: find finds first string element');
1.165 +
1.166 +try
1.167 +{
1.168 + expect = 1;
1.169 + actual = [].findIndex.call(arraylike, isString);
1.170 +}
1.171 +catch(e)
1.172 +{
1.173 + actual = dumpError(e);
1.174 +}
1.175 +reportCompare(expect, actual, 'arraylike: findIndex finds first string element');
1.176 +
1.177 +try
1.178 +{
1.179 + expect = 1;
1.180 + actual = 0;
1.181 + Array.prototype.find.call({get 0(){ actual++ }, length: 1}, ()=>true);
1.182 +}
1.183 +catch(e)
1.184 +{
1.185 + actual = dumpError(e);
1.186 +}
1.187 +reportCompare(expect, actual, 'arraylike with getter: getter only called once');
1.188 +
1.189 +try
1.190 +{
1.191 + expect = 'string';
1.192 + actual = [].find.call(indexedArray, isString);
1.193 +}
1.194 +catch(e)
1.195 +{
1.196 + actual = dumpError(e);
1.197 +}
1.198 +reportCompare(expect, actual, 'indexedArray: find finds first string element');
1.199 +
1.200 +try
1.201 +{
1.202 + expect = 142;
1.203 + actual = [].findIndex.call(indexedArray, isString);
1.204 +}
1.205 +catch(e)
1.206 +{
1.207 + actual = dumpError(e);
1.208 +}
1.209 +reportCompare(expect, actual, 'indexedArray: findIndex finds first string element');
