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23
24description('Test that we properly fill in missing args with "undefined" in JIT code.');
25
26// Regression test for <rdar://problem/10763509>
27
28
29function callee(a1, a2, a3, a4, a5, a6, a7, a8)
30{
31    // We expect that the unused actual parameters will be filled
32    // with undefined.
33    if (a1 !== undefined)
34        return "Arg1 is wrong";
35    if (a2 !== undefined)
36        return "Arg2 is wrong";
37    if (a3 !== undefined)
38        return "Arg3 is wrong";
39    if (a4 !== undefined)
40        return "Arg4 is wrong";
41    if (a5 !== undefined)
42        return "Arg5 is wrong";
43    if (a6 !== undefined)
44        return "Arg6 is wrong";
45    if (a7 !== undefined)
46        return "Arg7 is wrong";
47    if (a8 !== undefined)
48        return "Arg8 is wrong";
49
50    return undefined;
51}
52
53function dummy(a1, a2, a3, a4, a5, a6, a7, a8)
54{
55}
56
57function BaseObj()
58{
59}
60
61function caller(testArgCount)
62{
63    var baseObj = new BaseObj();
64
65    var allArgs = [0, "String", callee, true, null, 2.5, [1, 2, 3], {'a': 1, 'b' : 2}];
66    argCounts = [8, testArgCount];
67
68    for (argCountIndex = 0; argCountIndex < argCounts.length; argCountIndex++) {
69        argCount = argCounts[argCountIndex];
70
71        var varArgs = [];
72        for (i = 0; i < argCount; i++)
73            varArgs[i] = undefined;
74
75        for (numCalls = 0; numCalls < 10; numCalls++) {
76            // Run multiple times so that the JIT kicks in
77            dummy.apply(baseObj, allArgs);
78            var result = callee.apply(baseObj, varArgs);
79            if (result != undefined)
80                return result;
81        }
82    }
83
84    return undefined;
85}
86
87shouldBe("caller(0)", 'undefined');
88shouldBe("caller(1)", 'undefined');
89shouldBe("caller(2)", 'undefined');
90shouldBe("caller(3)", 'undefined');
91shouldBe("caller(4)", 'undefined');
92shouldBe("caller(5)", 'undefined');
93shouldBe("caller(6)", 'undefined');
94shouldBe("caller(7)", 'undefined');
95shouldBe("caller(8)", 'undefined');
96
97var successfullyParsed = true;
98