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
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
/* 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/. */
// Summary: Ensure typed array validation is called for TypedArray.from.
const otherGlobal = typeof newGlobal === "function" ? newGlobal() : undefined;
const typedArrayArgs = [{length: 0}, {length: 1, 0: 123}, {length: 1024, 0: 123}];
function createTestCases(TAConstructor, constructor, constructorCrossRealm) {
let testCases = [];
testCases.push({
species: constructor,
method: TAConstructor.from,
error: TypeError,
});
if (otherGlobal) {
testCases.push({
species: constructorCrossRealm,
method: TAConstructor.from,
error: TypeError,
});
testCases.push({
species: constructor,
method: otherGlobal[TAConstructor.name].from,
error: otherGlobal.TypeError,
});
}
return testCases;
}
// Throws TypeError when the returned value is not a typed array.
for (const TAConstructor of anyTypedArrayConstructors) {
let callCount = 0, expectedCallCount = 0;
function NoTypedArrayConstructor(...args) {
let a = [];
callCount += 1;
return a;
}
function NoTypedArrayConstructorCrossRealm(...args) {
let a = new otherGlobal.Array();
callCount += 1;
return a;
}
let testCases = createTestCases(TAConstructor, NoTypedArrayConstructor, NoTypedArrayConstructorCrossRealm);
for (let {species, method, error} of testCases) {
for (let args of typedArrayArgs) {
assertThrowsInstanceOf(() => method.call(species, args), error);
assertEq(callCount, ++expectedCallCount);
}
}
}
// Throws TypeError exception when returned array is too small.
for (const TAConstructor of anyTypedArrayConstructors) {
let callCount = 0, expectedCallCount = 0;
function TooSmallConstructor(length) {
let a = new TAConstructor(Math.max(length - 1, 0));
callCount += 1;
return a;
}
function TooSmallConstructorCrossRealm(length) {
let a = new otherGlobal[TAConstructor.name](Math.max(length - 1, 0));
callCount += 1;
return a;
}
let testCases = createTestCases(TAConstructor, TooSmallConstructor, TooSmallConstructorCrossRealm);
for (let {species, method, error} of testCases) {
for (let args of typedArrayArgs) {
// Passes when the length is zero.
if (args.length === 0) {
let result = method.call(species, args);
assertEq(result.length, 0);
} else {
assertThrowsInstanceOf(() => method.call(species, args), error);
}
assertEq(callCount, ++expectedCallCount);
}
}
}
// No exception when array is larger than requested.
for (const TAConstructor of anyTypedArrayConstructors) {
const extraLength = 1;
let callCount = 0, expectedCallCount = 0;
function TooLargeConstructor(length) {
let a = new TAConstructor(length + extraLength);
callCount += 1;
return a;
}
function TooLargeConstructorCrossRealm(length) {
let a = new otherGlobal[TAConstructor.name](length + extraLength);
callCount += 1;
return a;
}
let testCases = createTestCases(TAConstructor, TooLargeConstructor, TooLargeConstructorCrossRealm);
for (let {species, method, error} of testCases) {
for (let args of typedArrayArgs) {
let result = method.call(species, args);
assertEq(result.length, args.length + extraLength);
assertEq(result[0], (args.length === 0 ? 0 : 123));
assertEq(result[args.length + extraLength - 1], 0);
assertEq(callCount, ++expectedCallCount);
}
}
}
// Throws TypeError exception when returned array is detached.
if (typeof detachArrayBuffer === "function") {
for (const TAConstructor of typedArrayConstructors) {
let callCount = 0, expectedCallCount = 0;
function DetachConstructor(...args) {
let a = new TAConstructor(...args);
detachArrayBuffer(a.buffer);
callCount += 1;
return a;
}
function DetachConstructorCrossRealm(...args) {
let a = new otherGlobal[TAConstructor.name](...args);
otherGlobal.detachArrayBuffer(a.buffer);
callCount += 1;
return a;
}
let testCases = createTestCases(TAConstructor, DetachConstructor, DetachConstructorCrossRealm);
for (let {species, method, error} of testCases) {
for (let args of typedArrayArgs) {
assertThrowsInstanceOf(() => method.call(species, args), error);
assertEq(callCount, ++expectedCallCount);
}
}
}
}
if (typeof reportCompare === "function")
reportCompare(0, 0);
|
