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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: 11.6.2-1.js
ECMA Section: 11.6.2 The Subtraction operator ( - )
Description:
The production AdditiveExpression : AdditiveExpression -
MultiplicativeExpression is evaluated as follows:
1. Evaluate AdditiveExpression.
2. Call GetValue(Result(1)).
3. Evaluate MultiplicativeExpression.
4. Call GetValue(Result(3)).
5. Call ToNumber(Result(2)).
6. Call ToNumber(Result(4)).
7. Apply the subtraction operation to Result(5) and Result(6). See the
discussion below (11.6.3).
8. Return Result(7).
Author: christine@netscape.com
Date: 12 november 1997
*/
var SECTION = "11.6.2-1";
var VERSION = "ECMA_1";
startTest();
var testcases = getTestCases();
writeHeaderToLog( SECTION + " The subtraction operator ( - )");
test();
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 );
}
function getTestCases() {
var array = new Array();
var item = 0;
// tests for boolean primitive, boolean object, Object object, a "MyObject" whose value is
// a boolean primitive and a boolean object, and "MyValuelessObject", where the value is
// set in the object's prototype, not the object itself.
array[item++] = new TestCase( SECTION,
"var EXP_1 = true; var EXP_2 = false; EXP_1 - EXP_2",
1,
eval("var EXP_1 = true; var EXP_2 = false; EXP_1 - EXP_2") );
array[item++] = new TestCase( SECTION,
"var EXP_1 = new Boolean(true); var EXP_2 = new Boolean(false); EXP_1 - EXP_2",
1,
eval("var EXP_1 = new Boolean(true); var EXP_2 = new Boolean(false); EXP_1 - EXP_2") );
array[item++] = new TestCase( SECTION,
"var EXP_1 = new Object(true); var EXP_2 = new Object(false); EXP_1 - EXP_2",
1,
eval("var EXP_1 = new Object(true); var EXP_2 = new Object(false); EXP_1 - EXP_2") );
array[item++] = new TestCase( SECTION,
"var EXP_1 = new Object(new Boolean(true)); var EXP_2 = new Object(new Boolean(false)); EXP_1 - EXP_2",
1,
eval("var EXP_1 = new Object(new Boolean(true)); var EXP_2 = new Object(new Boolean(false)); EXP_1 - EXP_2") );
array[item++] = new TestCase( SECTION,
"var EXP_1 = new MyObject(true); var EXP_2 = new MyObject(false); EXP_1 - EXP_2",
1,
eval("var EXP_1 = new MyObject(true); var EXP_2 = new MyObject(false); EXP_1 - EXP_2") );
array[item++] = new TestCase( SECTION,
"var EXP_1 = new MyObject(new Boolean(true)); var EXP_2 = new MyObject(new Boolean(false)); EXP_1 - EXP_2",
Number.NaN,
eval("var EXP_1 = new MyObject(new Boolean(true)); var EXP_2 = new MyObject(new Boolean(false)); EXP_1 - EXP_2") );
array[item++] = new TestCase( SECTION,
"var EXP_1 = new MyOtherObject(new Boolean(true)); var EXP_2 = new MyOtherObject(new Boolean(false)); EXP_1 - EXP_2",
Number.NaN,
eval("var EXP_1 = new MyOtherObject(new Boolean(true)); var EXP_2 = new MyOtherObject(new Boolean(false)); EXP_1 - EXP_2") );
array[item++] = new TestCase( SECTION,
"var EXP_1 = new MyValuelessObject(true); var EXP_2 = new MyValuelessObject(false); EXP_1 - EXP_2",
1,
eval("var EXP_1 = new MyValuelessObject(true); var EXP_2 = new MyValuelessObject(false); EXP_1 - EXP_2") );
array[item++] = new TestCase( SECTION,
"var EXP_1 = new MyValuelessObject(new Boolean(true)); var EXP_2 = new MyValuelessObject(new Boolean(false)); EXP_1 - EXP_2",
Number.NaN,
eval("var EXP_1 = new MyValuelessObject(new Boolean(true)); var EXP_2 = new MyValuelessObject(new Boolean(false)); EXP_1 - EXP_2") );
// tests for number primitive, number object, Object object, a "MyObject" whose value is
// a number primitive and a number object, and "MyValuelessObject", where the value is
// set in the object's prototype, not the object itself.
array[item++] = new TestCase( SECTION,
"var EXP_1 = 100; var EXP_2 = 1; EXP_1 - EXP_2",
99,
eval("var EXP_1 = 100; var EXP_2 = 1; EXP_1 - EXP_2") );
array[item++] = new TestCase( SECTION,
"var EXP_1 = new Number(100); var EXP_2 = new Number(1); EXP_1 - EXP_2",
99,
eval("var EXP_1 = new Number(100); var EXP_2 = new Number(1); EXP_1 - EXP_2") );
array[item++] = new TestCase( SECTION,
"var EXP_1 = new Object(100); var EXP_2 = new Object(1); EXP_1 - EXP_2",
99,
eval("var EXP_1 = new Object(100); var EXP_2 = new Object(1); EXP_1 - EXP_2") );
array[item++] = new TestCase( SECTION,
"var EXP_1 = new Object(new Number(100)); var EXP_2 = new Object(new Number(1)); EXP_1 - EXP_2",
99,
eval("var EXP_1 = new Object(new Number(100)); var EXP_2 = new Object(new Number(1)); EXP_1 - EXP_2") );
array[item++] = new TestCase( SECTION,
"var EXP_1 = new MyObject(100); var EXP_2 = new MyObject(1); EXP_1 - EXP_2",
99,
eval("var EXP_1 = new MyObject(100); var EXP_2 = new MyObject(1); EXP_1 - EXP_2") );
array[item++] = new TestCase( SECTION,
"var EXP_1 = new MyObject(new Number(100)); var EXP_2 = new MyObject(new Number(1)); EXP_1 - EXP_2",
Number.NaN,
eval("var EXP_1 = new MyObject(new Number(100)); var EXP_2 = new MyObject(new Number(1)); EXP_1 - EXP_2") );
array[item++] = new TestCase( SECTION,
"var EXP_1 = new MyOtherObject(new Number(100)); var EXP_2 = new MyOtherObject(new Number(1)); EXP_1 - EXP_2",
99,
eval("var EXP_1 = new MyOtherObject(new Number(100)); var EXP_2 = new MyOtherObject(new Number(1)); EXP_1 - EXP_2") );
array[item++] = new TestCase( SECTION,
"var EXP_1 = new MyValuelessObject(100); var EXP_2 = new MyValuelessObject(1); EXP_1 - EXP_2",
99,
eval("var EXP_1 = new MyValuelessObject(100); var EXP_2 = new MyValuelessObject(1); EXP_1 - EXP_2") );
/*
array[item++] = new TestCase( SECTION,
"var EXP_1 = new MyValuelessObject(new Number(100)); var EXP_2 = new MyValuelessObject(new Number(1)); EXP_1 - EXP_2",
Number.NaN,
eval("var EXP_1 = new MyValuelessObject(new Number(100)); var EXP_2 = new MyValuelessObject(new Number(1)); EXP_1 - EXP_2") );
*/
// same thing with string!
array[item++] = new TestCase( SECTION,
"var EXP_1 = new MyOtherObject(new String('0xff')); var EXP_2 = new MyOtherObject(new String('1'); EXP_1 - EXP_2",
254,
eval("var EXP_1 = new MyOtherObject(new String('0xff')); var EXP_2 = new MyOtherObject(new String('1')); EXP_1 - EXP_2") );
return ( array );
}
function MyProtoValuelessObject() {
this.valueOf = new Function ( "" );
this.__proto__ = null;
}
function MyProtolessObject( value ) {
this.valueOf = new Function( "return this.value" );
this.__proto__ = null;
this.value = value;
}
function MyValuelessObject(value) {
this.__proto__ = new MyPrototypeObject(value);
}
function MyPrototypeObject(value) {
this.valueOf = new Function( "return this.value;" );
this.toString = new Function( "return (this.value + '');" );
this.value = value;
}
function MyObject( value ) {
this.valueOf = new Function( "return this.value" );
this.value = value;
}
function MyOtherObject( value ) {
this.valueOf = new Function( "return this.value" );
this.toString = new Function ( "return this.value + ''" );
this.value = value;
}