/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* ***** BEGIN LICENSE BLOCK ***** * Version: MPL 1.1/GPL 2.0/LGPL 2.1 * * The contents of this file are subject to the Mozilla Public License Version * 1.1 (the "License"); you may not use this file except in compliance with * the License. You may obtain a copy of the License at * http://www.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the * License. * * The Original Code is JavaScript Engine testing utilities. * * The Initial Developer of the Original Code is * Mozilla Foundation. * Portions created by the Initial Developer are Copyright (C) 2005 * the Initial Developer. All Rights Reserved. * * Contributor(s): Mike Shaver * Bob Clary * * Alternatively, the contents of this file may be used under the terms of * either the GNU General Public License Version 2 or later (the "GPL"), or * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), * in which case the provisions of the GPL or the LGPL are applicable instead * of those above. If you wish to allow use of your version of this file only * under the terms of either the GPL or the LGPL, and not to allow others to * use your version of this file under the terms of the MPL, indicate your * decision by deleting the provisions above and replace them with the notice * and other provisions required by the GPL or the LGPL. If you do not delete * the provisions above, a recipient may use your version of this file under * the terms of any one of the MPL, the GPL or the LGPL. * * ***** END LICENSE BLOCK ***** */ //----------------------------------------------------------------------------- var bug = 290592; var summary = 'Array extras: forEach, indexOf, filter, map'; var actual = ''; var expect = ''; printBugNumber (bug); printStatus (summary); // Utility functions function identity(v, index, array) { reportCompare(v, array[index], 'identity: check callback argument consistency'); return v; } function mutate(v, index, array) { reportCompare(v, array[index], 'mutate: check callback argument consistency'); if (index == 0) { array[1] = 'mutated'; delete array[2]; array.push('not visited'); } return v; } function mutateForEach(v, index, array) { reportCompare(v, array[index], 'mutateForEach: check callback argument consistency'); if (index == 0) { array[1] = 'mutated'; delete array[2]; array.push('not visited'); } actual += v + ','; } function makeUpperCase(v, index, array) { reportCompare(v, array[index], 'makeUpperCase: check callback argument consistency'); try { return v.toUpperCase(); } catch(e) { } return v; } function concat(v, index, array) { reportCompare(v, array[index], 'concat: check callback argument consistency'); actual += v + ','; } function isUpperCase(v, index, array) { reportCompare(v, array[index], 'isUpperCase: check callback argument consistency'); try { return v == v.toUpperCase(); } catch(e) { } return false; } function isString(v, index, array) { reportCompare(v, array[index], 'isString: check callback argument consistency'); return typeof v == 'string'; } // callback object. function ArrayCallback(state) { this.state = state; } ArrayCallback.prototype.makeUpperCase = function (v, index, array) { reportCompare(v, array[index], 'ArrayCallback.prototype.makeUpperCase: check callback argument consistency'); try { return this.state ? v.toUpperCase() : v.toLowerCase(); } catch(e) { } return v; }; ArrayCallback.prototype.concat = function(v, index, array) { reportCompare(v, array[index], 'ArrayCallback.prototype.concat: check callback argument consistency'); actual += v + ','; }; ArrayCallback.prototype.isUpperCase = function(v, index, array) { reportCompare(v, array[index], 'ArrayCallback.prototype.isUpperCase: check callback argument consistency'); try { return this.state ? true : (v == v.toUpperCase()); } catch(e) { } return false; }; ArrayCallback.prototype.isString = function(v, index, array) { reportCompare(v, array[index], 'ArrayCallback.prototype.isString: check callback argument consistency'); return this.state ? true : (typeof v == 'string'); }; function dumpError(e) { var s = e.name + ': ' + e.message + ' File: ' + e.fileName + ', Line: ' + e.lineNumber + ', Stack: ' + e.stack; return s; } var obj; var strings = ['hello', 'Array', 'WORLD']; var mixed = [0, '0', 0]; var sparsestrings = new Array(); sparsestrings[2] = 'sparse'; if ('map' in Array.prototype) { // see http://developer-test.mozilla.org/docs/Core_JavaScript_1.5_Reference:Objects:Array:map // test Array.map // map has 1 required argument expect = 1; actual = Array.prototype.map.length; reportCompare(expect, actual, 'Array.prototype.map.length == 1'); // throw TypeError if no callback function specified expect = 'TypeError'; try { strings.map(); actual = 'no error'; } catch(e) { actual = e.name; } reportCompare(expect, actual, 'Array.map(undefined) throws TypeError'); try { // identity map expect = 'hello,Array,WORLD'; actual = strings.map(identity).toString(); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'Array.map: identity'); try { expect = 'hello,mutated,'; actual = strings.map(mutate).toString(); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'Array.map: mutate'); strings = ['hello', 'Array', 'WORLD']; try { // general map expect = 'HELLO,ARRAY,WORLD'; actual = strings.map(makeUpperCase).toString(); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'Array.map: uppercase'); try { // pass object method as map callback expect = 'HELLO,ARRAY,WORLD'; var obj = new ArrayCallback(true); actual = strings.map(obj.makeUpperCase, obj).toString(); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'Array.map: uppercase with object callback'); try { expect = 'hello,array,world'; obj = new ArrayCallback(false); actual = strings.map(obj.makeUpperCase, obj).toString(); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'Array.map: lowercase with object callback'); try { // map on sparse arrays expect = ',,SPARSE'; actual = sparsestrings.map(makeUpperCase).toString(); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'Array.map: uppercase on sparse array'); } if ('forEach' in Array.prototype) { // see http://developer-test.mozilla.org/docs/Core_JavaScript_1.5_Reference:Objects:Array:forEach // test Array.forEach // forEach has 1 required argument expect = 1; actual = Array.prototype.forEach.length; reportCompare(expect, actual, 'Array.prototype.forEach.length == 1'); // throw TypeError if no callback function specified expect = 'TypeError'; try { strings.forEach(); actual = 'no error'; } catch(e) { actual = e.name; } reportCompare(expect, actual, 'Array.forEach(undefined) throws TypeError'); try { // general forEach expect = 'hello,Array,WORLD,'; actual = ''; strings.forEach(concat); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'Array.forEach'); try { expect = 'hello,mutated,'; actual = ''; strings.forEach(mutateForEach); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'Array.forEach: mutate'); strings = ['hello', 'Array', 'WORLD']; try { // pass object method as forEach callback expect = 'hello,Array,WORLD,'; actual = ''; obj = new ArrayCallback(true); strings.forEach(obj.concat, obj); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'Array.forEach with object callback 1'); try { expect = 'hello,Array,WORLD,'; actual = ''; obj = new ArrayCallback(false); strings.forEach(obj.concat, obj); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'Array.forEach with object callback 2'); try { // test forEach on sparse arrays // see https://bugzilla.mozilla.org/show_bug.cgi?id=311082 expect = 'sparse,'; actual = ''; sparsestrings.forEach(concat); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'Array.forEach on sparse array'); } if ('filter' in Array.prototype) { // see http://developer-test.mozilla.org/docs/Core_JavaScript_1.5_Reference:Objects:Array:filter // test Array.filter // filter has 1 required argument expect = 1; actual = Array.prototype.filter.length; reportCompare(expect, actual, 'Array.prototype.filter.length == 1'); // throw TypeError if no callback function specified expect = 'TypeError'; try { strings.filter(); actual = 'no error'; } catch(e) { actual = e.name; } reportCompare(expect, actual, 'Array.filter(undefined) throws TypeError'); try { // test general filter expect = 'WORLD'; actual = strings.filter(isUpperCase).toString(); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'Array.filter'); try { expect = 'WORLD'; obj = new ArrayCallback(false); actual = strings.filter(obj.isUpperCase, obj).toString(); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'Array.filter object callback 1'); try { expect = 'hello,Array,WORLD'; obj = new ArrayCallback(true); actual = strings.filter(obj.isUpperCase, obj).toString(); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'Array.filter object callback 2'); } if ('every' in Array.prototype) { // see http://developer-test.mozilla.org/docs/Core_JavaScript_1.5_Reference:Objects:Array:every // test Array.every // every has 1 required argument expect = 1; actual = Array.prototype.every.length; reportCompare(expect, actual, 'Array.prototype.every.length == 1'); // throw TypeError if no every callback function specified expect = 'TypeError'; try { strings.every(); actual = 'no error'; } catch(e) { actual = e.name; } reportCompare(expect, actual, 'Array.every(undefined) throws TypeError'); // test general every try { expect = true; actual = strings.every(isString); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'strings: every element is a string'); try { expect = false; actual = mixed.every(isString); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'mixed: every element is a string'); try { // see https://bugzilla.mozilla.org/show_bug.cgi?id=311082 expect = true; actual = sparsestrings.every(isString); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'sparsestrings: every element is a string'); // pass object method as map callback obj = new ArrayCallback(false); try { expect = true; actual = strings.every(obj.isString, obj); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'strings: every element is a string, via object callback'); try { expect = false; actual = mixed.every(obj.isString, obj); } catch(e) { actual = dumpError(e) ; } reportCompare(expect, actual, 'mixed: every element is a string, via object callback'); try { // see https://bugzilla.mozilla.org/show_bug.cgi?id=311082 expect = true; actual = sparsestrings.every(obj.isString, obj); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'sparsestrings: every element is a string, via object callback'); } if ('some' in Array.prototype) { // see http://developer-test.mozilla.org/docs/Core_JavaScript_1.5_Reference:Objects:Array:some // test Array.some // some has 1 required argument expect = 1; actual = Array.prototype.some.length; reportCompare(expect, actual, 'Array.prototype.some.length == 1'); // throw TypeError if no some callback function specified expect = 'TypeError'; try { strings.some(); actual = 'no error'; } catch(e) { actual = e.name; } reportCompare(expect, actual, 'Array.some(undefined) throws TypeError'); // test general some try { expect = true; actual = strings.some(isString); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'strings: some element is a string'); try { expect = true; actual = mixed.some(isString); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'mixed: some element is a string'); try { expect = true; actual = sparsestrings.some(isString); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'sparsestrings: some element is a string'); // pass object method as map callback obj = new ArrayCallback(false); try { expect = true; actual = strings.some(obj.isString, obj); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'strings: some element is a string, via object callback'); try { expect = true; actual = mixed.some(obj.isString, obj); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'mixed: some element is a string, via object callback'); try { expect = true; actual = sparsestrings.some(obj.isString, obj); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'sparsestrings: some element is a string, via object callback'); } if ('indexOf' in Array.prototype) { // see http://developer-test.mozilla.org/docs/Core_JavaScript_1.5_Reference:Objects:Array:indexOf // test Array.indexOf // indexOf has 1 required argument expect = 1; actual = Array.prototype.indexOf.length; reportCompare(expect, actual, 'Array.prototype.indexOf.length == 1'); // test general indexOf try { expect = -1; actual = mixed.indexOf('not found'); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'indexOf returns -1 if value not found'); try { expect = 0; actual = mixed.indexOf(0); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'indexOf matches using strict equality'); try { expect = 1; actual = mixed.indexOf('0'); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'indexOf matches using strict equality'); try { expect = 2; actual = mixed.indexOf(0, 1); } catch(e) { actual = dumpError(e); } reportCompare(expect, actual, 'indexOf begins searching at fromIndex'); }