1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: set ts=8 sts=4 et sw=4 tw=99:
*/
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "jsapi-tests/tests.h"
static bool
constructHook(JSContext* cx, unsigned argc, JS::Value* vp)
{
JS::CallArgs args = CallArgsFromVp(argc, vp);
// Check that arguments were passed properly from JS_New.
JS::RootedObject obj(cx, JS_NewPlainObject(cx));
if (!obj) {
JS_ReportErrorASCII(cx, "test failed, could not construct object");
return false;
}
if (strcmp(JS_GetClass(obj)->name, "Object") != 0) {
JS_ReportErrorASCII(cx, "test failed, wrong class for 'this'");
return false;
}
if (args.length() != 3) {
JS_ReportErrorASCII(cx, "test failed, argc == %d", args.length());
return false;
}
if (!args[0].isInt32() || args[2].toInt32() != 2) {
JS_ReportErrorASCII(cx, "test failed, wrong value in args[2]");
return false;
}
if (!args.isConstructing()) {
JS_ReportErrorASCII(cx, "test failed, not constructing");
return false;
}
// Perform a side-effect to indicate that this hook was actually called.
JS::RootedValue value(cx, args[0]);
JS::RootedObject callee(cx, &args.callee());
if (!JS_SetElement(cx, callee, 0, value))
return false;
args.rval().setObject(*obj);
// trash the argv, perversely
args[0].setUndefined();
args[1].setUndefined();
args[2].setUndefined();
return true;
}
BEGIN_TEST(testNewObject_1)
{
static const size_t N = 1000;
JS::AutoValueVector argv(cx);
CHECK(argv.resize(N));
JS::RootedValue v(cx);
EVAL("Array", &v);
JS::RootedObject Array(cx, v.toObjectOrNull());
bool isArray;
// With no arguments.
JS::RootedObject obj(cx, JS_New(cx, Array, JS::HandleValueArray::empty()));
CHECK(obj);
JS::RootedValue rt(cx, JS::ObjectValue(*obj));
CHECK(JS_IsArrayObject(cx, obj, &isArray));
CHECK(isArray);
uint32_t len;
CHECK(JS_GetArrayLength(cx, obj, &len));
CHECK_EQUAL(len, 0u);
// With one argument.
argv[0].setInt32(4);
obj = JS_New(cx, Array, JS::HandleValueArray::subarray(argv, 0, 1));
CHECK(obj);
rt = JS::ObjectValue(*obj);
CHECK(JS_IsArrayObject(cx, obj, &isArray));
CHECK(isArray);
CHECK(JS_GetArrayLength(cx, obj, &len));
CHECK_EQUAL(len, 4u);
// With N arguments.
for (size_t i = 0; i < N; i++)
argv[i].setInt32(i);
obj = JS_New(cx, Array, JS::HandleValueArray::subarray(argv, 0, N));
CHECK(obj);
rt = JS::ObjectValue(*obj);
CHECK(JS_IsArrayObject(cx, obj, &isArray));
CHECK(isArray);
CHECK(JS_GetArrayLength(cx, obj, &len));
CHECK_EQUAL(len, N);
CHECK(JS_GetElement(cx, obj, N - 1, &v));
CHECK(v.isInt32(N - 1));
// With JSClass.construct.
static const JSClassOps clsOps = {
nullptr, nullptr, nullptr, nullptr,
nullptr, nullptr, nullptr, nullptr,
nullptr, nullptr, constructHook
};
static const JSClass cls = {
"testNewObject_1",
0,
&clsOps
};
JS::RootedObject ctor(cx, JS_NewObject(cx, &cls));
CHECK(ctor);
JS::RootedValue rt2(cx, JS::ObjectValue(*ctor));
obj = JS_New(cx, ctor, JS::HandleValueArray::subarray(argv, 0, 3));
CHECK(obj);
CHECK(JS_GetElement(cx, ctor, 0, &v));
CHECK(v.isInt32(0));
return true;
}
END_TEST(testNewObject_1)
|