michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: 
michael@0: /**
michael@0:  *  File Name:          forin-001.js
michael@0:  *  ECMA Section:
michael@0:  *  Description:        The forin-001 statement
michael@0:  *
michael@0:  *  Verify that the property name is assigned to the property on the left
michael@0:  *  hand side of the for...in expression.
michael@0:  *
michael@0:  *  Author:             christine@netscape.com
michael@0:  *  Date:               28 August 1998
michael@0:  */
michael@0: var SECTION = "forin-001";
michael@0: var VERSION = "ECMA_2";
michael@0: var TITLE   = "The for...in  statement";
michael@0: var BUGNUMBER="330890";
michael@0: var BUGNUMBER="http://scopus.mcom.com/bugsplat/show_bug.cgi?id=344855";
michael@0: 
michael@0: startTest();
michael@0: writeHeaderToLog( SECTION + " "+ TITLE);
michael@0: 
michael@0: ForIn_1( { length:4, company:"netscape", year:2000, 0:"zero" } );
michael@0: ForIn_2( { length:4, company:"netscape", year:2000, 0:"zero" } );
michael@0: ForIn_3( { length:4, company:"netscape", year:2000, 0:"zero" } );
michael@0: 
michael@0: //    ForIn_6({ length:4, company:"netscape", year:2000, 0:"zero" });
michael@0: //    ForIn_7({ length:4, company:"netscape", year:2000, 0:"zero" });
michael@0: ForIn_8({ length:4, company:"netscape", year:2000, 0:"zero" });
michael@0: 
michael@0: test();
michael@0: 
michael@0: /**
michael@0:  *  Verify that the left side argument is evaluated with every iteration.
michael@0:  *  Verify that the name of each property of the object is assigned to a
michael@0:  *  a property.
michael@0:  *
michael@0:  */
michael@0: function ForIn_1( object ) {
michael@0:   PropertyArray = new Array();
michael@0:   ValueArray = new Array();
michael@0: 
michael@0:   for ( PropertyArray[PropertyArray.length] in object ) {
michael@0:     ValueArray[ValueArray.length] =
michael@0:       object[PropertyArray[PropertyArray.length-1]];
michael@0:   }
michael@0: 
michael@0:   for ( var i = 0; i < PropertyArray.length; i++ ) {
michael@0:     new TestCase(
michael@0:       SECTION,
michael@0:       "object[" + PropertyArray[i] +"]",
michael@0:       object[PropertyArray[i]],
michael@0:       ValueArray[i]
michael@0:       );
michael@0:   }
michael@0: 
michael@0:   new TestCase(
michael@0:     SECTION,
michael@0:     "object.length",
michael@0:     PropertyArray.length,
michael@0:     object.length );
michael@0: }
michael@0: 
michael@0: /**
michael@0:  *  Similar to ForIn_1, except it should increment the counter variable
michael@0:  *  every time the left hand expression is evaluated.
michael@0:  */
michael@0: function ForIn_2( object ) {
michael@0:   PropertyArray = new Array();
michael@0:   ValueArray = new Array();
michael@0:   var i = 0;
michael@0: 
michael@0:   for ( PropertyArray[i++] in object ) {
michael@0:     ValueArray[ValueArray.length] =
michael@0:       object[PropertyArray[PropertyArray.length-1]];
michael@0:   }
michael@0: 
michael@0:   for ( i = 0; i < PropertyArray.length; i++ ) {
michael@0:     new TestCase(
michael@0:       SECTION,
michael@0:       "object[" + PropertyArray[i] +"]",
michael@0:       object[PropertyArray[i]],
michael@0:       ValueArray[i]
michael@0:       );
michael@0:   }
michael@0: 
michael@0:   new TestCase(
michael@0:     SECTION,
michael@0:     "object.length",
michael@0:     PropertyArray.length,
michael@0:     object.length );
michael@0: }
michael@0: 
michael@0: /**
michael@0:  *  Break out of a for...in loop
michael@0:  *
michael@0:  *
michael@0:  */
michael@0: function ForIn_3( object ) {
michael@0:   var checkBreak = "pass";
michael@0:   var properties = new Array();
michael@0:   var values = new Array();
michael@0: 
michael@0:   for ( properties[properties.length] in object ) {
michael@0:     values[values.length] = object[properties[properties.length-1]];
michael@0:     break;
michael@0:     checkBreak = "fail";
michael@0:   }
michael@0: 
michael@0:   new TestCase(
michael@0:     SECTION,
michael@0:     "check break out of for...in",
michael@0:     "pass",
michael@0:     checkBreak );
michael@0: 
michael@0:   new TestCase(
michael@0:     SECTION,
michael@0:     "properties.length",
michael@0:     1,
michael@0:     properties.length );
michael@0: 
michael@0:   new TestCase(
michael@0:     SECTION,
michael@0:     "object["+properties[0]+"]",
michael@0:     values[0],
michael@0:     object[properties[0]] );
michael@0: }
michael@0: 
michael@0: /**
michael@0:  *  Break out of a labeled for...in loop.
michael@0:  */
michael@0: function ForIn_4( object ) {
michael@0:   var result1 = 0;
michael@0:   var result2 = 0;
michael@0:   var result3 = 0;
michael@0:   var result4 = 0;
michael@0:   var i = 0;
michael@0:   var property = new Array();
michael@0: 
michael@0: butterbean: {
michael@0:     result1++;
michael@0: 
michael@0:     for ( property[i++] in object ) {
michael@0:       result2++;
michael@0:       break;
michael@0:       result4++;
michael@0:     }
michael@0:     result3++;
michael@0:   }
michael@0: 
michael@0:   new TestCase(
michael@0:     SECTION,
michael@0:     "verify labeled statement is only executed once",
michael@0:     true,
michael@0:     result1 == 1 );
michael@0: 
michael@0:   new TestCase(
michael@0:     SECTION,
michael@0:     "verify statements in for loop are evaluated",
michael@0:     true,
michael@0:     result2 == i );
michael@0: 
michael@0:   new TestCase(
michael@0:     SECTION,
michael@0:     "verify break out of labeled for...in loop",
michael@0:     true,
michael@0:     result4 == 0 );
michael@0: 
michael@0:   new TestCase(
michael@0:     SECTION,
michael@0:     "verify break out of labeled block",
michael@0:     true,
michael@0:     result3 == 0 );
michael@0: }
michael@0: 
michael@0: /**
michael@0:  *  Labeled break out of a labeled for...in loop.
michael@0:  */
michael@0: function ForIn_5 (object) {
michael@0:   var result1 = 0;
michael@0:   var result2 = 0;
michael@0:   var result3 = 0;
michael@0:   var result4 = 0;
michael@0:   var i = 0;
michael@0:   var property = new Array();
michael@0: 
michael@0: bigredbird: {
michael@0:     result1++;
michael@0:     for ( property[i++] in object ) {
michael@0:       result2++;
michael@0:       break bigredbird;
michael@0:       result4++;
michael@0:     }
michael@0:     result3++;
michael@0:   }
michael@0: 
michael@0:   new TestCase(
michael@0:     SECTION,
michael@0:     "verify labeled statement is only executed once",
michael@0:     true,
michael@0:     result1 == 1 );
michael@0: 
michael@0:   new TestCase(
michael@0:     SECTION,
michael@0:     "verify statements in for loop are evaluated",
michael@0:     true,
michael@0:     result2 == i );
michael@0: 
michael@0:   new TestCase(
michael@0:     SECTION,
michael@0:     "verify break out of labeled for...in loop",
michael@0:     true,
michael@0:     result4 == 0 );
michael@0: 
michael@0:   new TestCase(
michael@0:     SECTION,
michael@0:     "verify break out of labeled block",
michael@0:     true,
michael@0:     result3 == 0 );
michael@0: }
michael@0: 
michael@0: /**
michael@0:  *  Labeled continue from a labeled for...in loop
michael@0:  */
michael@0: function ForIn_7( object ) {
michael@0:   var result1 = 0;
michael@0:   var result2 = 0;
michael@0:   var result3 = 0;
michael@0:   var result4 = 0;
michael@0:   var i = 0;
michael@0:   var property = new Array();
michael@0: 
michael@0: bigredbird:
michael@0:   for ( property[i++] in object ) {
michael@0:     result2++;
michael@0:     continue bigredbird;
michael@0:     result4++;
michael@0:   }
michael@0: 
michael@0:   new TestCase(
michael@0:     SECTION,
michael@0:     "verify statements in for loop are evaluated",
michael@0:     true,
michael@0:     result2 == i );
michael@0: 
michael@0:   new TestCase(
michael@0:     SECTION,
michael@0:     "verify break out of labeled for...in loop",
michael@0:     true,
michael@0:     result4 == 0 );
michael@0: 
michael@0:   new TestCase(
michael@0:     SECTION,
michael@0:     "verify break out of labeled block",
michael@0:     true,
michael@0:     result3 == 1 );
michael@0: }
michael@0: 
michael@0: 
michael@0: /**
michael@0:  *  continue in a for...in loop
michael@0:  *
michael@0:  */
michael@0: function ForIn_8( object ) {
michael@0:   var checkBreak = "pass";
michael@0:   var properties = new Array();
michael@0:   var values = new Array();
michael@0: 
michael@0:   for ( properties[properties.length] in object ) {
michael@0:     values[values.length] = object[properties[properties.length-1]];
michael@0:     break;
michael@0:     checkBreak = "fail";
michael@0:   }
michael@0: 
michael@0:   new TestCase(
michael@0:     SECTION,
michael@0:     "check break out of for...in",
michael@0:     "pass",
michael@0:     checkBreak );
michael@0: 
michael@0:   new TestCase(
michael@0:     SECTION,
michael@0:     "properties.length",
michael@0:     1,
michael@0:     properties.length );
michael@0: 
michael@0:   new TestCase(
michael@0:     SECTION,
michael@0:     "object["+properties[0]+"]",
michael@0:     values[0],
michael@0:     object[properties[0]] );
michael@0: }
michael@0: