/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ /** 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 = "11.13.2-3"; var VERSION = "ECMA_1"; startTest(); writeHeaderToLog( SECTION + " Compound Assignment: +="); // If either operand is NaN, result is NaN new TestCase( SECTION, "VAR1 = NaN; VAR2=1; VAR1 %= VAR2", Number.NaN, eval("VAR1 = Number.NaN; VAR2=1; VAR1 %= VAR2") ); new TestCase( SECTION, "VAR1 = NaN; VAR2=1; VAR1 %= VAR2; VAR1", Number.NaN, eval("VAR1 = Number.NaN; VAR2=1; VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 = NaN; VAR2=0; VAR1 %= VAR2", Number.NaN, eval("VAR1 = Number.NaN; VAR2=0; VAR1 %= VAR2") ); new TestCase( SECTION, "VAR1 = NaN; VAR2=0; VAR1 %= VAR2; VAR1", Number.NaN, eval("VAR1 = Number.NaN; VAR2=0; VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 = 0; VAR2=NaN; VAR1 %= VAR2", Number.NaN, eval("VAR1 = 0; VAR2=Number.NaN; VAR1 %= VAR2") ); new TestCase( SECTION, "VAR1 = 0; VAR2=NaN; VAR1 %= VAR2; VAR1", Number.NaN, eval("VAR1 = 0; VAR2=Number.NaN; VAR1 %= VAR2; VAR1") ); // if the dividend is infinity or the divisor is zero or both, the result is NaN new TestCase( SECTION, "VAR1 = Infinity; VAR2= Infinity; VAR1 %= VAR2; VAR1", Number.NaN, eval("VAR1 = Number.POSITIVE_INFINITY; VAR2 = Number.POSITIVE_INFINITY; VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 = Infinity; VAR2= -Infinity; VAR1 %= VAR2; VAR1", Number.NaN, eval("VAR1 = Number.POSITIVE_INFINITY; VAR2 = Number.NEGATIVE_INFINITY; VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 =-Infinity; VAR2= Infinity; VAR1 %= VAR2; VAR1", Number.NaN, eval("VAR1 = Number.NEGATIVE_INFINITY; VAR2 = Number.POSITIVE_INFINITY; VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 =-Infinity; VAR2=-Infinity; VAR1 %= VAR2; VAR1", Number.NaN, eval("VAR1 = Number.NEGATIVE_INFINITY; VAR2 = Number.NEGATIVE_INFINITY; VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 = 0; VAR2= Infinity; VAR2 %= VAR1", Number.NaN, eval("VAR1 = 0; VAR2 = Number.POSITIVE_INFINITY; VAR2 %= VAR1; VAR2") ); new TestCase( SECTION, "VAR1 = -0; VAR2= Infinity; VAR2 %= VAR1", Number.NaN, eval("VAR1 = -0; VAR2 = Number.POSITIVE_INFINITY; VAR2 %= VAR1; VAR2") ); new TestCase( SECTION, "VAR1 = -0; VAR2= -Infinity; VAR2 %= VAR1", Number.NaN, eval("VAR1 = -0; VAR2 = Number.NEGATIVE_INFINITY; VAR2 %= VAR1; VAR2") ); new TestCase( SECTION, "VAR1 = 0; VAR2= -Infinity; VAR2 %= VAR1", Number.NaN, eval("VAR1 = 0; VAR2 = Number.NEGATIVE_INFINITY; VAR2 %= VAR1; VAR2") ); new TestCase( SECTION, "VAR1 = 1; VAR2= Infinity; VAR2 %= VAR1", Number.NaN, eval("VAR1 = 1; VAR2 = Number.POSITIVE_INFINITY; VAR2 %= VAR1; VAR2") ); new TestCase( SECTION, "VAR1 = -1; VAR2= Infinity; VAR2 %= VAR1", Number.NaN, eval("VAR1 = -1; VAR2 = Number.POSITIVE_INFINITY; VAR2 %= VAR1; VAR2") ); new TestCase( SECTION, "VAR1 = -1; VAR2= -Infinity; VAR2 %= VAR1", Number.NaN, eval("VAR1 = -1; VAR2 = Number.NEGATIVE_INFINITY; VAR2 %= VAR1; VAR2") ); new TestCase( SECTION, "VAR1 = 1; VAR2= -Infinity; VAR2 %= VAR1", Number.NaN, eval("VAR1 = 1; VAR2 = Number.NEGATIVE_INFINITY; VAR2 %= VAR1; VAR2") ); new TestCase( SECTION, "VAR1 = 0; VAR2= 0; VAR1 %= VAR2", Number.NaN, eval("VAR1 = 0; VAR2 = 0; VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 = 0; VAR2= -0; VAR1 %= VAR2", Number.NaN, eval("VAR1 = 0; VAR2 = -0; VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 = -0; VAR2= 0; VAR1 %= VAR2", Number.NaN, eval("VAR1 = -0; VAR2 = 0; VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 = -0; VAR2= -0; VAR1 %= VAR2", Number.NaN, eval("VAR1 = -0; VAR2 = -0; VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 = 1; VAR2= 0; VAR1 %= VAR2", Number.NaN, eval("VAR1 = 1; VAR2 = 0; VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 = 1; VAR2= -0; VAR1 %= VAR2", Number.NaN, eval("VAR1 = 1; VAR2 = -0; VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 = -1; VAR2= 0; VAR1 %= VAR2", Number.NaN, eval("VAR1 = -1; VAR2 = 0; VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 = -1; VAR2= -0; VAR1 %= VAR2", Number.NaN, eval("VAR1 = -1; VAR2 = -0; VAR1 %= VAR2; VAR1") ); // if the dividend is finite and the divisor is an infinity, the result equals the dividend. new TestCase( SECTION, "VAR1 = 0; VAR2= Infinity; VAR1 %= VAR2;VAR1", 0, eval("VAR1 = 0; VAR2 = Number.POSITIVE_INFINITY; VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 = -0; VAR2= Infinity; VAR1 %= VAR2;VAR1", -0, eval("VAR1 = -0; VAR2 = Number.POSITIVE_INFINITY; VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 = -0; VAR2= -Infinity; VAR1 %= VAR2;VAR1", -0, eval("VAR1 = -0; VAR2 = Number.NEGATIVE_INFINITY; VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 = 0; VAR2= -Infinity; VAR1 %= VAR2;VAR1", 0, eval("VAR1 = 0; VAR2 = Number.NEGATIVE_INFINITY; VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 = 1; VAR2= Infinity; VAR1 %= VAR2;VAR1", 1, eval("VAR1 = 1; VAR2 = Number.POSITIVE_INFINITY; VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 = -1; VAR2= Infinity; VAR1 %= VAR2;VAR1", -1, eval("VAR1 = -1; VAR2 = Number.POSITIVE_INFINITY; VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 = -1; VAR2= -Infinity; VAR1 %= VAR2;VAR1", -1, eval("VAR1 = -1; VAR2 = Number.NEGATIVE_INFINITY; VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 = 1; VAR2= -Infinity; VAR1 %= VAR2;VAR1", 1, eval("VAR1 = 1; VAR2 = Number.NEGATIVE_INFINITY; VAR1 %= VAR2; VAR1") ); // if the dividend is a zero and the divisor is finite, the result is the same as the dividend new TestCase( SECTION, "VAR1 = 0; VAR2= 1; VAR1 %= VAR2; VAR1", 0, eval("VAR1 = 0; VAR2 = 1; VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 = -0; VAR2= 1; VAR1 %= VAR2; VAR1", -0, eval("VAR1 = -0; VAR2 = 1; VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 = -0; VAR2= -1; VAR1 %= VAR2; VAR1", -0, eval("VAR1 = -0; VAR2 = -1; VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 = 0; VAR2= -1; VAR1 %= VAR2; VAR1", 0, eval("VAR1 = 0; VAR2 = -1; VAR1 %= VAR2; VAR1") ); // string cases new TestCase( SECTION, "VAR1 = 1000; VAR2 = '10', VAR1 %= VAR2; VAR1", 0, eval("VAR1 = 1000; VAR2 = '10', VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 = '1000'; VAR2 = 10, VAR1 %= VAR2; VAR1", 0, eval("VAR1 = '1000'; VAR2 = 10, VAR1 %= VAR2; VAR1") ); /* new TestCase( SECTION, "VAR1 = 10; VAR2 = '0XFF', VAR1 %= VAR2", 2550, eval("VAR1 = 10; VAR2 = '0XFF', VAR1 %= VAR2") ); new TestCase( SECTION, "VAR1 = '0xFF'; VAR2 = 0xA, VAR1 %= VAR2", 2550, eval("VAR1 = '0XFF'; VAR2 = 0XA, VAR1 %= VAR2") ); new TestCase( SECTION, "VAR1 = '10'; VAR2 = '255', VAR1 %= VAR2", 2550, eval("VAR1 = '10'; VAR2 = '255', VAR1 %= VAR2") ); new TestCase( SECTION, "VAR1 = '10'; VAR2 = '0XFF', VAR1 %= VAR2", 2550, eval("VAR1 = '10'; VAR2 = '0XFF', VAR1 %= VAR2") ); new TestCase( SECTION, "VAR1 = '0xFF'; VAR2 = 0xA, VAR1 %= VAR2", 2550, eval("VAR1 = '0XFF'; VAR2 = 0XA, VAR1 %= VAR2") ); // boolean cases new TestCase( SECTION, "VAR1 = true; VAR2 = false; VAR1 %= VAR2", 0, eval("VAR1 = true; VAR2 = false; VAR1 %= VAR2") ); new TestCase( SECTION, "VAR1 = true; VAR2 = true; VAR1 %= VAR2", 1, eval("VAR1 = true; VAR2 = true; VAR1 %= VAR2") ); // object cases new TestCase( SECTION, "VAR1 = new Boolean(true); VAR2 = 10; VAR1 %= VAR2;VAR1", 10, eval("VAR1 = new Boolean(true); VAR2 = 10; VAR1 %= VAR2; VAR1") ); new TestCase( SECTION, "VAR1 = new Number(11); VAR2 = 10; VAR1 %= VAR2; VAR1", 110, eval("VAR1 = new Number(11); VAR2 = 10; VAR1 %= VAR2; VAR1") ); 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") ); new TestCase( SECTION, "VAR1 = new String('15'); VAR2 = new String('0xF'); VAR1 %= VAR2", 255, eval("VAR1 = String('15'); VAR2 = new String('0xF'); VAR1 %= VAR2") ); */ test();