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      6  * Software distributed under the License is distributed on an "AS
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     10  *
     11  * The Original Code is Mozilla Communicator client code, released March
     12  * 31, 1998.
     13  *
     14  * The Initial Developer of the Original Code is Netscape Communications
     15  * Corporation. Portions created by Netscape are
     16  * Copyright (C) 1998 Netscape Communications Corporation. All
     17  * Rights Reserved.
     18  *
     19  * Contributor(s):
     20  *
     21  */
     22  /**
     23     File Name:          11.13.2-4.js
     24     ECMA Section:       11.13.2 Compound Assignment:+=
     25     Description:
     26 
     27     *= /= %= += -= <<= >>= >>>= &= ^= |=
     28 
     29     11.13.2 Compound assignment ( op= )
     30 
     31     The production AssignmentExpression :
     32     LeftHandSideExpression @ = AssignmentExpression, where @ represents one of
     33     the operators indicated above, is evaluated as follows:
     34 
     35     1.  Evaluate LeftHandSideExpression.
     36     2.  Call GetValue(Result(1)).
     37     3.  Evaluate AssignmentExpression.
     38     4.  Call GetValue(Result(3)).
     39     5.  Apply operator @ to Result(2) and Result(4).
     40     6.  Call PutValue(Result(1), Result(5)).
     41     7.  Return Result(5).
     42 
     43     Author:             christine (at) netscape.com
     44     Date:               12 november 1997
     45 */
     46     var SECTION = "11.13.2-4";
     47     var VERSION = "ECMA_1";
     48     startTest();
     49     var testcases = getTestCases();
     50 
     51     writeHeaderToLog( SECTION + " Compound Assignment: +=");
     52     test();
     53 
     54 function getTestCases() {
     55     var array = new Array();
     56     var item = 0;
     57 
     58     // If either operand is NaN,  result is NaN
     59 
     60     array[item++] = new TestCase( SECTION,    "VAR1 = NaN; VAR2=1; VAR1 += VAR2",       Number.NaN, eval("VAR1 = Number.NaN; VAR2=1; VAR1 += VAR2") );
     61     array[item++] = new TestCase( SECTION,    "VAR1 = NaN; VAR2=1; VAR1 += VAR2; VAR1", Number.NaN, eval("VAR1 = Number.NaN; VAR2=1; VAR1 += VAR2; VAR1") );
     62     array[item++] = new TestCase( SECTION,    "VAR1 = NaN; VAR2=0; VAR1 += VAR2",       Number.NaN, eval("VAR1 = Number.NaN; VAR2=0; VAR1 += VAR2") );
     63     array[item++] = new TestCase( SECTION,    "VAR1 = NaN; VAR2=0; VAR1 += VAR2; VAR1", Number.NaN, eval("VAR1 = Number.NaN; VAR2=0; VAR1 += VAR2; VAR1") );
     64     array[item++] = new TestCase( SECTION,    "VAR1 = 0; VAR2=NaN; VAR1 += VAR2",       Number.NaN, eval("VAR1 = 0; VAR2=Number.NaN; VAR1 += VAR2") );
     65     array[item++] = new TestCase( SECTION,    "VAR1 = 0; VAR2=NaN; VAR1 += VAR2; VAR1", Number.NaN, eval("VAR1 = 0; VAR2=Number.NaN; VAR1 += VAR2; VAR1") );
     66 
     67     // the sum of two Infinities the same sign is the infinity of that sign
     68     // the sum of two Infinities of opposite sign is NaN
     69 
     70     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") );
     71     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") );
     72     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") );
     73     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") );
     74 
     75     // the sum of an infinity and a finite value is equal to the infinite operand
     76 
     77     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") );
     78     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") );
     79     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") );
     80     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") );
     81 
     82     // the sum of two negative zeros is -0. the sum of two positive zeros, or of two zeros of opposite sign, is +0
     83 
     84     array[item++] = new TestCase( SECTION,    "VAR1 = 0; VAR2= 0; VAR1 += VAR2",    0,      eval("VAR1 = 0; VAR2 = 0; VAR1 += VAR2; VAR1") );
     85     array[item++] = new TestCase( SECTION,    "VAR1 = 0; VAR2= -0; VAR1 += VAR2",   0,      eval("VAR1 = 0; VAR2 = -0; VAR1 += VAR2; VAR1") );
     86     array[item++] = new TestCase( SECTION,    "VAR1 = -0; VAR2= 0; VAR1 += VAR2",   0,      eval("VAR1 = -0; VAR2 = 0; VAR1 += VAR2; VAR1") );
     87     array[item++] = new TestCase( SECTION,    "VAR1 = -0; VAR2= -0; VAR1 += VAR2",  -0,      eval("VAR1 = -0; VAR2 = -0; VAR1 += VAR2; VAR1") );
     88 
     89     //  the sum of a zero and a nonzero finite value is eqal to the nonzero operand
     90 
     91     array[item++] = new TestCase( SECTION,    "VAR1 = 0; VAR2= 1; VAR2 += VAR1; VAR2",    1,      eval("VAR1 = 0; VAR2 = 1; VAR2 += VAR1; VAR2") );
     92     array[item++] = new TestCase( SECTION,    "VAR1 = -0; VAR2= 1; VAR2 += VAR1; VAR2",   1,      eval("VAR1 = -0; VAR2 = 1; VAR2 += VAR1; VAR2") );
     93     array[item++] = new TestCase( SECTION,    "VAR1 = -0; VAR2= -1; VAR2 += VAR1; VAR2",  -1,      eval("VAR1 = -0; VAR2 = -1; VAR2 += VAR1; VAR2") );
     94     array[item++] = new TestCase( SECTION,    "VAR1 = 0; VAR2= -1; VAR2 += VAR1; VAR2",   -1,      eval("VAR1 = 0; VAR2 = -1; VAR2 += VAR1; VAR2") );
     95 
     96     // the sum of a zero and a nozero finite value is equal to the nonzero operand.
     97     array[item++] = new TestCase( SECTION,    "VAR1 = 0; VAR2=1; VAR1 += VAR2",         1,          eval("VAR1 = 0; VAR2=1; VAR1 += VAR2") );
     98     array[item++] = new TestCase( SECTION,    "VAR1 = 0; VAR2=1; VAR1 += VAR2;VAR1",    1,          eval("VAR1 = 0; VAR2=1; VAR1 += VAR2;VAR1") );
     99 
    100     // the sum of two nonzero finite values of the same magnitude and opposite sign is +0
    101     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") );
    102     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") );
    103 
    104 /*
    105     array[item++] = new TestCase( SECTION,    "VAR1 = 10; VAR2 = '0XFF', VAR1 += VAR2", 2550,       eval("VAR1 = 10; VAR2 = '0XFF', VAR1 += VAR2") );
    106     array[item++] = new TestCase( SECTION,    "VAR1 = '0xFF'; VAR2 = 0xA, VAR1 += VAR2", 2550,      eval("VAR1 = '0XFF'; VAR2 = 0XA, VAR1 += VAR2") );
    107 
    108     array[item++] = new TestCase( SECTION,    "VAR1 = '10'; VAR2 = '255', VAR1 += VAR2", 2550,      eval("VAR1 = '10'; VAR2 = '255', VAR1 += VAR2") );
    109     array[item++] = new TestCase( SECTION,    "VAR1 = '10'; VAR2 = '0XFF', VAR1 += VAR2", 2550,     eval("VAR1 = '10'; VAR2 = '0XFF', VAR1 += VAR2") );
    110     array[item++] = new TestCase( SECTION,    "VAR1 = '0xFF'; VAR2 = 0xA, VAR1 += VAR2", 2550,      eval("VAR1 = '0XFF'; VAR2 = 0XA, VAR1 += VAR2") );
    111 
    112     // boolean cases
    113     array[item++] = new TestCase( SECTION,    "VAR1 = true; VAR2 = false; VAR1 += VAR2",    0,      eval("VAR1 = true; VAR2 = false; VAR1 += VAR2") );
    114     array[item++] = new TestCase( SECTION,    "VAR1 = true; VAR2 = true; VAR1 += VAR2",    1,      eval("VAR1 = true; VAR2 = true; VAR1 += VAR2") );
    115 
    116     // object cases
    117     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") );
    118     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") );
    119     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") );
    120     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") );
    121 
    122 */
    123     return ( array );
    124 }
    125 function test() {
    126     for ( tc=0; tc < testcases.length; tc++ ) {
    127         testcases[tc].passed = writeTestCaseResult(
    128                             testcases[tc].expect,
    129                             testcases[tc].actual,
    130                             testcases[tc].description +" = "+
    131                             testcases[tc].actual );
    132 
    133         testcases[tc].reason += ( testcases[tc].passed ) ? "" : "wrong value ";
    134     }
    135     stopTest();
    136     return ( testcases );
    137 }
    138