1 : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2 : * vim: set ts=8 sw=4 et tw=99:
3 : */
4 :
5 : #include "tests.h"
6 :
7 : #include "vm/Stack-inl.h"
8 :
9 : using namespace js;
10 :
11 : static const char NORMAL_ZERO[] =
12 : "function f() { return arguments; }";
13 : static const char NORMAL_ONE[] =
14 : "function f(a) { return arguments; }";
15 : static const char NORMAL_TWO[] =
16 : "function f(a, b) { return arguments; }";
17 : static const char NORMAL_THREE[] =
18 : "function f(a, b, c) { return arguments; }";
19 :
20 : static const char STRICT_ZERO[] =
21 : "function f() { 'use strict'; return arguments; }";
22 : static const char STRICT_ONE[] =
23 : "function f() { 'use strict'; return arguments; }";
24 : static const char STRICT_TWO[] =
25 : "function f() { 'use strict'; return arguments; }";
26 : static const char STRICT_THREE[] =
27 : "function f() { 'use strict'; return arguments; }";
28 :
29 : static const char *CALL_CODES[] =
30 : { "f()", "f(0)", "f(0, 1)", "f(0, 1, 2)", "f(0, 1, 2, 3)", "f(0, 1, 2, 3, 4)" };
31 :
32 : static const size_t MAX_ELEMS = 6;
33 :
34 : static void
35 242 : ClearElements(Value elems[MAX_ELEMS])
36 : {
37 1452 : for (size_t i = 0; i < MAX_ELEMS - 1; i++)
38 1210 : elems[i] = NullValue();
39 242 : elems[MAX_ELEMS - 1] = Int32Value(42);
40 242 : }
41 :
42 4 : BEGIN_TEST(testArgumentsObject)
43 : {
44 1 : return ExhaustiveTest<0>(NORMAL_ZERO) &&
45 1 : ExhaustiveTest<1>(NORMAL_ZERO) &&
46 1 : ExhaustiveTest<2>(NORMAL_ZERO) &&
47 1 : ExhaustiveTest<0>(NORMAL_ONE) &&
48 1 : ExhaustiveTest<1>(NORMAL_ONE) &&
49 1 : ExhaustiveTest<2>(NORMAL_ONE) &&
50 1 : ExhaustiveTest<3>(NORMAL_ONE) &&
51 1 : ExhaustiveTest<0>(NORMAL_TWO) &&
52 1 : ExhaustiveTest<1>(NORMAL_TWO) &&
53 1 : ExhaustiveTest<2>(NORMAL_TWO) &&
54 1 : ExhaustiveTest<3>(NORMAL_TWO) &&
55 1 : ExhaustiveTest<4>(NORMAL_TWO) &&
56 1 : ExhaustiveTest<0>(NORMAL_THREE) &&
57 1 : ExhaustiveTest<1>(NORMAL_THREE) &&
58 1 : ExhaustiveTest<2>(NORMAL_THREE) &&
59 1 : ExhaustiveTest<3>(NORMAL_THREE) &&
60 1 : ExhaustiveTest<4>(NORMAL_THREE) &&
61 1 : ExhaustiveTest<5>(NORMAL_THREE) &&
62 1 : ExhaustiveTest<0>(STRICT_ZERO) &&
63 1 : ExhaustiveTest<1>(STRICT_ZERO) &&
64 1 : ExhaustiveTest<2>(STRICT_ZERO) &&
65 1 : ExhaustiveTest<0>(STRICT_ONE) &&
66 1 : ExhaustiveTest<1>(STRICT_ONE) &&
67 1 : ExhaustiveTest<2>(STRICT_ONE) &&
68 1 : ExhaustiveTest<3>(STRICT_ONE) &&
69 1 : ExhaustiveTest<0>(STRICT_TWO) &&
70 1 : ExhaustiveTest<1>(STRICT_TWO) &&
71 1 : ExhaustiveTest<2>(STRICT_TWO) &&
72 1 : ExhaustiveTest<3>(STRICT_TWO) &&
73 1 : ExhaustiveTest<4>(STRICT_TWO) &&
74 1 : ExhaustiveTest<0>(STRICT_THREE) &&
75 1 : ExhaustiveTest<1>(STRICT_THREE) &&
76 1 : ExhaustiveTest<2>(STRICT_THREE) &&
77 1 : ExhaustiveTest<3>(STRICT_THREE) &&
78 1 : ExhaustiveTest<4>(STRICT_THREE) &&
79 35 : ExhaustiveTest<5>(STRICT_THREE);
80 : }
81 :
82 : template<size_t ArgCount> bool
83 36 : ExhaustiveTest(const char funcode[])
84 : {
85 : jsval v;
86 36 : EVAL(funcode, &v);
87 :
88 36 : EVAL(CALL_CODES[ArgCount], &v);
89 36 : ArgumentsObject &argsobj = JSVAL_TO_OBJECT(v)->asArguments();
90 :
91 : Value elems[MAX_ELEMS];
92 :
93 140 : for (size_t i = 0; i <= ArgCount; i++) {
94 346 : for (size_t j = 0; j <= ArgCount - i; j++) {
95 242 : ClearElements(elems);
96 242 : CHECK(argsobj.getElements(i, j, elems));
97 492 : for (size_t k = 0; k < j; k++)
98 250 : CHECK_SAME(elems[k], INT_TO_JSVAL(i + k));
99 1202 : for (size_t k = j; k < MAX_ELEMS - 1; k++)
100 960 : CHECK_SAME(elems[k], JSVAL_NULL);
101 242 : CHECK_SAME(elems[MAX_ELEMS - 1], INT_TO_JSVAL(42));
102 : }
103 : }
104 :
105 36 : return true;
106 : }
107 2 : END_TEST(testArgumentsObject)
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