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11.13.2-5.js
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11.13.2-5.js
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/* 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: 11.13.2-5.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 = "11.13.2-5";
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.NaN, 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.POSITIVE_INFINITY, 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.NEGATIVE_INFINITY, 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.NaN, 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.NEGATIVE_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.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.NEGATIVE_INFINITY; VAR1 -= VAR2; VAR1") );
array[item++] = new TestCase( SECTION, "VAR1 = -0; VAR2= -Infinity; VAR1 -= VAR2;VAR1", Number.POSITIVE_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; VAR1 -= VAR2; VAR1", 1, eval("VAR1 = 0; VAR2 = -1; VAR1 -= VAR2; VAR1") );
array[item++] = new TestCase( SECTION, "VAR1 = -0; VAR2= -1; VAR1 -= VAR2; VAR1", 1, eval("VAR1 = -0; VAR2 = -1; VAR1 -= VAR2; VAR1") );
array[item++] = new TestCase( SECTION, "VAR1 = -0; VAR2= 1; VAR1 -= VAR2; VAR1", -1, eval("VAR1 = -0; VAR2 = 1; VAR1 -= VAR2; VAR1") );
array[item++] = new TestCase( SECTION, "VAR1 = 0; VAR2= 1; VAR1 -= VAR2; VAR1", -1, eval("VAR1 = 0; VAR2 = 1; VAR1 -= VAR2; VAR1") );
// 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;VAR1") );
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 );
}