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
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
*/
#include <stdint.h> // uint32_t
#include "js/ArrayBuffer.h" // JS::{DetachArrayBuffer,GetArrayBuffer{ByteLength,Data},IsArrayBufferObject,NewArrayBufferWithUserOwnedContents}
#include "js/GCAPI.h" // JS::AutoCheckCannotGC, JS_GC
#include "js/RootingAPI.h" // JS::Rooted
#include "jsapi-tests/tests.h"
#include "vm/ArrayBufferObject.h"
char testData[] =
"1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
constexpr size_t testDataLength = sizeof(testData);
static void GC(JSContext* cx) {
JS_GC(cx);
// Trigger another to wait for background finalization to end.
JS_GC(cx);
}
BEGIN_TEST(testArrayBufferWithUserOwnedContents) {
JS::Rooted<JSObject*> obj(cx, JS::NewArrayBufferWithUserOwnedContents(
cx, testDataLength, testData));
GC(cx);
CHECK(VerifyObject(obj, testDataLength));
GC(cx);
JS::DetachArrayBuffer(cx, obj);
GC(cx);
CHECK(VerifyObject(obj, 0));
return true;
}
bool VerifyObject(JS::HandleObject obj, uint32_t length) {
JS::AutoCheckCannotGC nogc;
CHECK(obj);
CHECK(JS::IsArrayBufferObject(obj));
CHECK_EQUAL(JS::GetArrayBufferByteLength(obj), length);
bool sharedDummy;
const char* data = reinterpret_cast<const char*>(
JS::GetArrayBufferData(obj, &sharedDummy, nogc));
if (length == testDataLength) {
CHECK(data);
CHECK(testData == data);
}
return true;
}
END_TEST(testArrayBufferWithUserOwnedContents)
|
