forked from chakra-core/ChakraCore
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathobjectCreateNull.js
More file actions
99 lines (81 loc) · 4.79 KB
/
objectCreateNull.js
File metadata and controls
99 lines (81 loc) · 4.79 KB
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
//-------------------------------------------------------------------------------------------------------
// Copyright (C) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.
//-------------------------------------------------------------------------------------------------------
if (this.WScript && this.WScript.LoadScriptFile) { // Check for running in ch
this.WScript.LoadScriptFile("..\\UnitTestFramework\\UnitTestFramework.js");
}
var tests = [
{
name : "NullTypeHandler basic functionality and sanity checks",
body : function() {
var objects = [
Object.create({}),
new Boolean(),
Object.create(Promise.prototype),
Function(""),
new Number(),
new String()
];
for (var i = 1; i < objects.length; ++i) {
var o = objects[i];
assert.areEqual(undefined, o[0], "NullTypeHandler object with no properties returns undefined");
assert.isFalse(o.hasOwnProperty('0'), "NullTypeHandler object with no properties returns false for hasOwnProperty");
assert.isFalse(o.propertyIsEnumerable('0'), "NullTypeHandler object with no properties returns false for propertyIsEnumerable");
for (var a in o) {
assert.fail("Enumerating an empty object"); // Unreachable
}
o[0] = "str";
assert.areEqual("str", o[0], "NullTypeHandler object with index property returns property correctly");
assert.areEqual("str", o['0'], "NullTypeHandler object with index property returns property correctly");
assert.isTrue(o.hasOwnProperty('0'), "NullTypeHandler object with index property returns true for hasOwnProperty");
assert.isTrue(o.propertyIsEnumerable('0'), "NullTypeHandler object with index property returns true for propertyIsEnumerable");
delete o[0];
assert.areEqual(undefined, o[0], "NullTypeHandler objectwith deleted property returns undefined");
assert.areEqual(undefined, o['0'], "NullTypeHandler objectwith deleted property returns undefined");
assert.isFalse(o.hasOwnProperty('0'), "NullTypeHandler object with deleted property returns false for hasOwnProperty");
assert.isFalse(o.propertyIsEnumerable('0'), "NullTypeHandler object with deleted property returns false for propertyIsEnumerable");
for (var a in o) {
assert.fail("Enumerating an empty object"); // Unreachable
}
o[0] = "str2";
assert.areEqual("str2", o[0], "NullTypeHandler object with readded index property returns property correctly");
assert.areEqual("str2", o['0'], "NullTypeHandler object with readded index property returns property correctly");
assert.isTrue(o.hasOwnProperty('0'), "NullTypeHandler object with readded index property returns true for hasOwnProperty");
assert.isTrue(o.propertyIsEnumerable('0'), "NullTypeHandler object readded with index property returns true for propertyIsEnumerable");
}
}
},
{
name: "NullTypeHandler enumeration",
body: function () {
var obj1 = Object.create({});
var obj2 = Object.create(null);
var numProperties = 3;
for (var i = 0; i < numProperties; ++i)
{
obj1[i] = i;
assert.areEqual(obj1[i], i, "NullTypeHandler first enumeration object with index " + i + " equal to " + i);
assert.isTrue(obj1.hasOwnProperty(i), "NullTypeHandler first enumeration object with index " + i + " returns true for hasOwnProperty");
assert.isTrue(obj1.propertyIsEnumerable(i), "NullTypeHandler object first enumeration with index " + i + " returns true for propertyIsEnumerable");
obj2[i] = i;
assert.areEqual(obj2[i], i, "NullTypeHandler second enumeration object with index " + i + " equal to " + i);
assert.isTrue(Object.prototype.hasOwnProperty.call(obj2, i), "NullTypeHandler first enumeration object with index " + i + " returns true for hasOwnProperty");
assert.isTrue(Object.prototype.propertyIsEnumerable.call(obj2, i), "NullTypeHandler object first enumeration with index " + i + " returns true for propertyIsEnumerable");
}
var j = 0;
for (var k in obj1)
{
++j;
}
assert.areEqual(j, numProperties, "NullTypeHandler first enumeration object gives same number of properties");
j = 0;
for (var k in obj2)
{
++j;
}
assert.areEqual(j, numProperties, "NullTypeHandler second enumeration object gives same number of properties");
}
}
];
testRunner.runTests(tests, { verbose : WScript.Arguments[0] != "summary" });