1// Copyright 2013 the V8 project authors. All rights reserved.
2// Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
3//
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5// modification, are permitted provided that the following conditions
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22// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23
24description(
25"Tests whether peephole optimizations on bytecode properly deal with local registers."
26);
27
28function if_less_test()
29{
30    var a = 0;
31    var b = 2;
32    if (a = 1 < 2)
33        return a == 1;
34}
35
36shouldBeTrue("if_less_test()");
37
38function if_else_less_test()
39{
40    var a = 0;
41    var b = 2;
42    if (a = 1 < 2)
43        return a == 1;
44    else
45        return false;
46}
47
48shouldBeTrue("if_else_less_test()");
49
50function conditional_less_test()
51{
52    var a = 0;
53    var b = 2;
54    return (a = 1 < 2) ? a == 1 : false;
55}
56
57shouldBeTrue("conditional_less_test()");
58
59function logical_and_less_test()
60{
61    var a = 0;
62    var b = 2;
63    return (a = 1 < 2) && a == 1;
64}
65
66shouldBeTrue("logical_and_less_test()");
67
68function logical_or_less_test()
69{
70    var a = 0;
71    var b = 2;
72    var result = (a = 1 < 2) || a == 1;
73    return a == 1;
74}
75
76shouldBeTrue("logical_or_less_test()");
77
78function do_while_less_test()
79{
80    var a = 0;
81    var count = 0;
82    do {
83        if (count == 1)
84            return a == 1;
85        count++;
86    } while (a = 1 < 2)
87}
88
89shouldBeTrue("do_while_less_test()");
90
91function while_less_test()
92{
93    var a = 0;
94    while (a = 1 < 2)
95        return a == 1;
96}
97
98shouldBeTrue("while_less_test()");
99
100function for_less_test()
101{
102    for (var a = 0; a = 1 < 2; )
103        return a == 1;
104}
105
106shouldBeTrue("for_less_test()");
107