Wed, 31 Dec 2014 06:09:35 +0100
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7 /**
8 File Name: 11.13.2-5.js
9 ECMA Section: 11.13.2 Compound Assignment: -=
10 Description:
12 *= /= %= -= -= <<= >>= >>>= &= ^= |=
14 11.13.2 Compound assignment ( op= )
16 The production AssignmentExpression :
17 LeftHandSideExpression @ = AssignmentExpression, where @ represents one of
18 the operators indicated above, is evaluated as follows:
20 1. Evaluate LeftHandSideExpression.
21 2. Call GetValue(Result(1)).
22 3. Evaluate AssignmentExpression.
23 4. Call GetValue(Result(3)).
24 5. Apply operator @ to Result(2) and Result(4).
25 6. Call PutValue(Result(1), Result(5)).
26 7. Return Result(5).
28 Author: christine@netscape.com
29 Date: 12 november 1997
30 */
31 var SECTION = "11.13.2-5";
32 var VERSION = "ECMA_1";
33 startTest();
35 writeHeaderToLog( SECTION + " Compound Assignment: -=");
37 // If either operand is NaN, result is NaN
39 new TestCase( SECTION, "VAR1 = NaN; VAR2=1; VAR1 -= VAR2", Number.NaN, eval("VAR1 = Number.NaN; VAR2=1; VAR1 -= VAR2") );
40 new TestCase( SECTION, "VAR1 = NaN; VAR2=1; VAR1 -= VAR2; VAR1", Number.NaN, eval("VAR1 = Number.NaN; VAR2=1; VAR1 -= VAR2; VAR1") );
41 new TestCase( SECTION, "VAR1 = NaN; VAR2=0; VAR1 -= VAR2", Number.NaN, eval("VAR1 = Number.NaN; VAR2=0; VAR1 -= VAR2") );
42 new TestCase( SECTION, "VAR1 = NaN; VAR2=0; VAR1 -= VAR2; VAR1", Number.NaN, eval("VAR1 = Number.NaN; VAR2=0; VAR1 -= VAR2; VAR1") );
43 new TestCase( SECTION, "VAR1 = 0; VAR2=NaN; VAR1 -= VAR2", Number.NaN, eval("VAR1 = 0; VAR2=Number.NaN; VAR1 -= VAR2") );
44 new TestCase( SECTION, "VAR1 = 0; VAR2=NaN; VAR1 -= VAR2; VAR1", Number.NaN, eval("VAR1 = 0; VAR2=Number.NaN; VAR1 -= VAR2; VAR1") );
46 // the sum of two Infinities the same sign is the infinity of that sign
47 // the sum of two Infinities of opposite sign is NaN
49 new TestCase( SECTION, "VAR1 = Infinity; VAR2= Infinity; VAR1 -= VAR2; VAR1", Number.NaN, eval("VAR1 = Number.POSITIVE_INFINITY; VAR2 = Number.POSITIVE_INFINITY; VAR1 -= VAR2; VAR1") );
50 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") );
51 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") );
52 new TestCase( SECTION, "VAR1 =-Infinity; VAR2=-Infinity; VAR1 -= VAR2; VAR1", Number.NaN, eval("VAR1 = Number.NEGATIVE_INFINITY; VAR2 = Number.NEGATIVE_INFINITY; VAR1 -= VAR2; VAR1") );
54 // the sum of an infinity and a finite value is equal to the infinite operand
56 new TestCase( SECTION, "VAR1 = 0; VAR2= Infinity; VAR1 -= VAR2;VAR1", Number.NEGATIVE_INFINITY, eval("VAR1 = 0; VAR2 = Number.POSITIVE_INFINITY; VAR1 -= VAR2; VAR1") );
57 new TestCase( SECTION, "VAR1 = -0; VAR2= Infinity; VAR1 -= VAR2;VAR1", Number.NEGATIVE_INFINITY, eval("VAR1 = -0; VAR2 = Number.POSITIVE_INFINITY; VAR1 -= VAR2; VAR1") );
58 new TestCase( SECTION, "VAR1 = 0; VAR2= -Infinity; VAR1 -= VAR2;VAR1", Number.POSITIVE_INFINITY, eval("VAR1 = 0; VAR2 = Number.NEGATIVE_INFINITY; VAR1 -= VAR2; VAR1") );
59 new TestCase( SECTION, "VAR1 = -0; VAR2= -Infinity; VAR1 -= VAR2;VAR1", Number.POSITIVE_INFINITY, eval("VAR1 = -0; VAR2 = Number.NEGATIVE_INFINITY; VAR1 -= VAR2; VAR1") );
61 // the sum of two negative zeros is -0. the sum of two positive zeros, or of two zeros of opposite sign, is +0
63 new TestCase( SECTION, "VAR1 = 0; VAR2= -0; VAR1 -= VAR2", 0, eval("VAR1 = 0; VAR2 = 0; VAR1 -= VAR2; VAR1") );
64 new TestCase( SECTION, "VAR1 = 0; VAR2= 0; VAR1 -= VAR2", 0, eval("VAR1 = 0; VAR2 = -0; VAR1 -= VAR2; VAR1") );
65 new TestCase( SECTION, "VAR1 = -0; VAR2= -0; VAR1 -= VAR2", 0, eval("VAR1 = -0; VAR2 = 0; VAR1 -= VAR2; VAR1") );
66 new TestCase( SECTION, "VAR1 = -0; VAR2= 0; VAR1 -= VAR2", -0, eval("VAR1 = -0; VAR2 = -0; VAR1 -= VAR2; VAR1") );
68 // the sum of a zero and a nonzero finite value is eqal to the nonzero operand
70 new TestCase( SECTION, "VAR1 = 0; VAR2= -1; VAR1 -= VAR2; VAR1", 1, eval("VAR1 = 0; VAR2 = -1; VAR1 -= VAR2; VAR1") );
71 new TestCase( SECTION, "VAR1 = -0; VAR2= -1; VAR1 -= VAR2; VAR1", 1, eval("VAR1 = -0; VAR2 = -1; VAR1 -= VAR2; VAR1") );
72 new TestCase( SECTION, "VAR1 = -0; VAR2= 1; VAR1 -= VAR2; VAR1", -1, eval("VAR1 = -0; VAR2 = 1; VAR1 -= VAR2; VAR1") );
73 new TestCase( SECTION, "VAR1 = 0; VAR2= 1; VAR1 -= VAR2; VAR1", -1, eval("VAR1 = 0; VAR2 = 1; VAR1 -= VAR2; VAR1") );
75 // the sum of a zero and a nozero finite value is equal to the nonzero operand.
76 new TestCase( SECTION, "VAR1 = 0; VAR2=-1; VAR1 -= VAR2", 1, eval("VAR1 = 0; VAR2=-1; VAR1 -= VAR2;VAR1") );
77 new TestCase( SECTION, "VAR1 = 0; VAR2=-1; VAR1 -= VAR2;VAR1", 1, eval("VAR1 = 0; VAR2=-1; VAR1 -= VAR2;VAR1") );
79 // the sum of two nonzero finite values of the same magnitude and opposite sign is +0
80 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") );
81 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") );
83 /*
84 new TestCase( SECTION, "VAR1 = 10; VAR2 = '0XFF', VAR1 -= VAR2", 2550, eval("VAR1 = 10; VAR2 = '0XFF', VAR1 -= VAR2") );
85 new TestCase( SECTION, "VAR1 = '0xFF'; VAR2 = 0xA, VAR1 -= VAR2", 2550, eval("VAR1 = '0XFF'; VAR2 = 0XA, VAR1 -= VAR2") );
87 new TestCase( SECTION, "VAR1 = '10'; VAR2 = '255', VAR1 -= VAR2", 2550, eval("VAR1 = '10'; VAR2 = '255', VAR1 -= VAR2") );
88 new TestCase( SECTION, "VAR1 = '10'; VAR2 = '0XFF', VAR1 -= VAR2", 2550, eval("VAR1 = '10'; VAR2 = '0XFF', VAR1 -= VAR2") );
89 new TestCase( SECTION, "VAR1 = '0xFF'; VAR2 = 0xA, VAR1 -= VAR2", 2550, eval("VAR1 = '0XFF'; VAR2 = 0XA, VAR1 -= VAR2") );
91 // boolean cases
92 new TestCase( SECTION, "VAR1 = true; VAR2 = false; VAR1 -= VAR2", 0, eval("VAR1 = true; VAR2 = false; VAR1 -= VAR2") );
93 new TestCase( SECTION, "VAR1 = true; VAR2 = true; VAR1 -= VAR2", 1, eval("VAR1 = true; VAR2 = true; VAR1 -= VAR2") );
95 // object cases
96 new TestCase( SECTION, "VAR1 = new Boolean(true); VAR2 = 10; VAR1 -= VAR2;VAR1", 10, eval("VAR1 = new Boolean(true); VAR2 = 10; VAR1 -= VAR2; VAR1") );
97 new TestCase( SECTION, "VAR1 = new Number(11); VAR2 = 10; VAR1 -= VAR2; VAR1", 110, eval("VAR1 = new Number(11); VAR2 = 10; VAR1 -= VAR2; VAR1") );
98 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") );
99 new TestCase( SECTION, "VAR1 = new String('15'); VAR2 = new String('0xF'); VAR1 -= VAR2", 255, eval("VAR1 = String('15'); VAR2 = new String('0xF'); VAR1 -= VAR2") );
101 */
103 test();