/* The contents of this file are subject to the Netscape 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/NPL/ * * 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 Mozilla Communicator client code, released March * 31, 1998. * * The Initial Developer of the Original Code is Netscape Communications * Corporation. Portions created by Netscape are * Copyright (C) 1998 Netscape Communications Corporation. All * Rights Reserved. * * Contributor(s): * */ /** File Name: 11.13.2-4.js ECMA Section: 11.13.2 Compound Assignment:+= Description: *= /= %= += -= <<= >>= >>>= &= ^= |= 11.13.2 Compound assignment ( op= ) The production AssignmentExpression : LeftHandSideExpression @ = AssignmentExpression, where @ represents one of the operators indicated above, is evaluated as follows: 1. Evaluate LeftHandSideExpression. 2. Call GetValue(Result(1)). 3. Evaluate AssignmentExpression. 4. Call GetValue(Result(3)). 5. Apply operator @ to Result(2) and Result(4). 6. Call PutValue(Result(1), Result(5)). 7. Return Result(5). Author: christine@netscape.com Date: 12 november 1997 */ var SECTION = "11.13.2-4"; var VERSION = "ECMA_1"; startTest(); var testcases = getTestCases(); writeHeaderToLog( SECTION + " Compound Assignment: +="); test(); function getTestCases() { var array = new Array(); var item = 0; // If either operand is NaN, result is NaN array[item++] = new TestCase( SECTION, "VAR1 = NaN; VAR2=1; VAR1 += VAR2", Number.NaN, eval("VAR1 = Number.NaN; VAR2=1; VAR1 += VAR2") ); array[item++] = new TestCase( SECTION, "VAR1 = NaN; VAR2=1; VAR1 += VAR2; VAR1", Number.NaN, eval("VAR1 = Number.NaN; VAR2=1; VAR1 += VAR2; VAR1") ); array[item++] = new TestCase( SECTION, "VAR1 = NaN; VAR2=0; VAR1 += VAR2", Number.NaN, eval("VAR1 = Number.NaN; VAR2=0; VAR1 += VAR2") ); array[item++] = new TestCase( SECTION, "VAR1 = NaN; VAR2=0; VAR1 += VAR2; VAR1", Number.NaN, eval("VAR1 = Number.NaN; VAR2=0; VAR1 += VAR2; VAR1") ); array[item++] = new TestCase( SECTION, "VAR1 = 0; VAR2=NaN; VAR1 += VAR2", Number.NaN, eval("VAR1 = 0; VAR2=Number.NaN; VAR1 += VAR2") ); array[item++] = new TestCase( SECTION, "VAR1 = 0; VAR2=NaN; VAR1 += VAR2; VAR1", Number.NaN, eval("VAR1 = 0; VAR2=Number.NaN; VAR1 += VAR2; VAR1") ); // the sum of two Infinities the same sign is the infinity of that sign // the sum of two Infinities of opposite sign is NaN array[item++] = new TestCase( SECTION, "VAR1 = Infinity; VAR2= Infinity; VAR1 += VAR2; VAR1", Number.POSITIVE_INFINITY, eval("VAR1 = Number.POSITIVE_INFINITY; VAR2 = Number.POSITIVE_INFINITY; VAR1 += VAR2; VAR1") ); array[item++] = new TestCase( SECTION, "VAR1 = Infinity; VAR2= -Infinity; VAR1 += VAR2; VAR1", Number.NaN, eval("VAR1 = Number.POSITIVE_INFINITY; VAR2 = Number.NEGATIVE_INFINITY; VAR1 += VAR2; VAR1") ); array[item++] = new TestCase( SECTION, "VAR1 =-Infinity; VAR2= Infinity; VAR1 += VAR2; VAR1", Number.NaN, eval("VAR1 = Number.NEGATIVE_INFINITY; VAR2 = Number.POSITIVE_INFINITY; VAR1 += VAR2; VAR1") ); array[item++] = new TestCase( SECTION, "VAR1 =-Infinity; VAR2=-Infinity; VAR1 += VAR2; VAR1", Number.NEGATIVE_INFINITY, eval("VAR1 = Number.NEGATIVE_INFINITY; VAR2 = Number.NEGATIVE_INFINITY; VAR1 += VAR2; VAR1") ); // the sum of an infinity and a finite value is equal to the infinite operand array[item++] = new TestCase( SECTION, "VAR1 = 0; VAR2= Infinity; VAR1 += VAR2;VAR1", Number.POSITIVE_INFINITY, eval("VAR1 = 0; VAR2 = Number.POSITIVE_INFINITY; VAR1 += VAR2; VAR1") ); array[item++] = new TestCase( SECTION, "VAR1 = -0; VAR2= Infinity; VAR1 += VAR2;VAR1", Number.POSITIVE_INFINITY, eval("VAR1 = -0; VAR2 = Number.POSITIVE_INFINITY; VAR1 += VAR2; VAR1") ); array[item++] = new TestCase( SECTION, "VAR1 = -0; VAR2= -Infinity; VAR1 += VAR2;VAR1", Number.NEGATIVE_INFINITY, eval("VAR1 = -0; VAR2 = Number.NEGATIVE_INFINITY; VAR1 += VAR2; VAR1") ); array[item++] = new TestCase( SECTION, "VAR1 = 0; VAR2= -Infinity; VAR1 += VAR2;VAR1", Number.NEGATIVE_INFINITY, eval("VAR1 = 0; VAR2 = Number.NEGATIVE_INFINITY; VAR1 += VAR2; VAR1") ); // the sum of two negative zeros is -0. the sum of two positive zeros, or of two zeros of opposite sign, is +0 array[item++] = new TestCase( SECTION, "VAR1 = 0; VAR2= 0; VAR1 += VAR2", 0, eval("VAR1 = 0; VAR2 = 0; VAR1 += VAR2; VAR1") ); array[item++] = new TestCase( SECTION, "VAR1 = 0; VAR2= -0; VAR1 += VAR2", 0, eval("VAR1 = 0; VAR2 = -0; VAR1 += VAR2; VAR1") ); array[item++] = new TestCase( SECTION, "VAR1 = -0; VAR2= 0; VAR1 += VAR2", 0, eval("VAR1 = -0; VAR2 = 0; VAR1 += VAR2; VAR1") ); array[item++] = new TestCase( SECTION, "VAR1 = -0; VAR2= -0; VAR1 += VAR2", -0, eval("VAR1 = -0; VAR2 = -0; VAR1 += VAR2; VAR1") ); // the sum of a zero and a nonzero finite value is eqal to the nonzero operand array[item++] = new TestCase( SECTION, "VAR1 = 0; VAR2= 1; VAR2 += VAR1; VAR2", 1, eval("VAR1 = 0; VAR2 = 1; VAR2 += VAR1; VAR2") ); array[item++] = new TestCase( SECTION, "VAR1 = -0; VAR2= 1; VAR2 += VAR1; VAR2", 1, eval("VAR1 = -0; VAR2 = 1; VAR2 += VAR1; VAR2") ); array[item++] = new TestCase( SECTION, "VAR1 = -0; VAR2= -1; VAR2 += VAR1; VAR2", -1, eval("VAR1 = -0; VAR2 = -1; VAR2 += VAR1; VAR2") ); array[item++] = new TestCase( SECTION, "VAR1 = 0; VAR2= -1; VAR2 += VAR1; VAR2", -1, eval("VAR1 = 0; VAR2 = -1; VAR2 += VAR1; VAR2") ); // the sum of a zero and a nozero finite value is equal to the nonzero operand. array[item++] = new TestCase( SECTION, "VAR1 = 0; VAR2=1; VAR1 += VAR2", 1, eval("VAR1 = 0; VAR2=1; VAR1 += VAR2") ); array[item++] = new TestCase( SECTION, "VAR1 = 0; VAR2=1; VAR1 += VAR2;VAR1", 1, eval("VAR1 = 0; VAR2=1; VAR1 += VAR2;VAR1") ); // the sum of two nonzero finite values of the same magnitude and opposite sign is +0 array[item++] = new TestCase( SECTION, "VAR1 = Number.MAX_VALUE; VAR2= -Number.MAX_VALUE; VAR1 += VAR2; VAR1", 0, eval("VAR1 = Number.MAX_VALUE; VAR2= -Number.MAX_VALUE; VAR1 += VAR2; VAR1") ); array[item++] = new TestCase( SECTION, "VAR1 = Number.MIN_VALUE; VAR2= -Number.MIN_VALUE; VAR1 += VAR2; VAR1", 0, eval("VAR1 = Number.MIN_VALUE; VAR2= -Number.MIN_VALUE; VAR1 += VAR2; VAR1") ); /* array[item++] = new TestCase( SECTION, "VAR1 = 10; VAR2 = '0XFF', VAR1 += VAR2", 2550, eval("VAR1 = 10; VAR2 = '0XFF', VAR1 += VAR2") ); array[item++] = new TestCase( SECTION, "VAR1 = '0xFF'; VAR2 = 0xA, VAR1 += VAR2", 2550, eval("VAR1 = '0XFF'; VAR2 = 0XA, VAR1 += VAR2") ); array[item++] = new TestCase( SECTION, "VAR1 = '10'; VAR2 = '255', VAR1 += VAR2", 2550, eval("VAR1 = '10'; VAR2 = '255', VAR1 += VAR2") ); array[item++] = new TestCase( SECTION, "VAR1 = '10'; VAR2 = '0XFF', VAR1 += VAR2", 2550, eval("VAR1 = '10'; VAR2 = '0XFF', VAR1 += VAR2") ); array[item++] = new TestCase( SECTION, "VAR1 = '0xFF'; VAR2 = 0xA, VAR1 += VAR2", 2550, eval("VAR1 = '0XFF'; VAR2 = 0XA, VAR1 += VAR2") ); // boolean cases array[item++] = new TestCase( SECTION, "VAR1 = true; VAR2 = false; VAR1 += VAR2", 0, eval("VAR1 = true; VAR2 = false; VAR1 += VAR2") ); array[item++] = new TestCase( SECTION, "VAR1 = true; VAR2 = true; VAR1 += VAR2", 1, eval("VAR1 = true; VAR2 = true; VAR1 += VAR2") ); // object cases array[item++] = new TestCase( SECTION, "VAR1 = new Boolean(true); VAR2 = 10; VAR1 += VAR2;VAR1", 10, eval("VAR1 = new Boolean(true); VAR2 = 10; VAR1 += VAR2; VAR1") ); array[item++] = new TestCase( SECTION, "VAR1 = new Number(11); VAR2 = 10; VAR1 += VAR2; VAR1", 110, eval("VAR1 = new Number(11); VAR2 = 10; VAR1 += VAR2; VAR1") ); array[item++] = new TestCase( SECTION, "VAR1 = new Number(11); VAR2 = new Number(10); VAR1 += VAR2", 110, eval("VAR1 = new Number(11); VAR2 = new Number(10); VAR1 += VAR2") ); array[item++] = new TestCase( SECTION, "VAR1 = new String('15'); VAR2 = new String('0xF'); VAR1 += VAR2", 255, eval("VAR1 = String('15'); VAR2 = new String('0xF'); VAR1 += VAR2") ); */ return ( array ); } function test() { for ( tc=0; tc < testcases.length; tc++ ) { testcases[tc].passed = writeTestCaseResult( testcases[tc].expect, testcases[tc].actual, testcases[tc].description +" = "+ testcases[tc].actual ); testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value "; } stopTest(); return ( testcases ); }