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
|
// |reftest| skip-if(!xulRuntime.shell)
// Any copyright is dedicated to the Public Domain.
// http://creativecommons.org/licenses/publicdomain/
function viewToString(view)
{
return String.fromCharCode.apply(null, view);
}
function assertThrows(f, wantException)
{
try {
f();
assertEq(true, false, "expected " + wantException + " exception");
} catch (e) {
assertEq(e.name, wantException.name, e.toString());
}
}
function test() {
var filename = "file-mapped-arraybuffers.txt";
var buffer = createMappedArrayBuffer(filename);
var view = new Uint8Array(buffer);
assertEq(viewToString(view), "01234567abcdefghijkl");
var buffer2 = createMappedArrayBuffer(filename, 8);
view = new Uint8Array(buffer2);
assertEq(viewToString(view), "abcdefghijkl");
var buffer3 = createMappedArrayBuffer(filename, 0, 8);
view = new Uint8Array(buffer3);
assertEq(viewToString(view), "01234567");
// Check that invalid sizes and offsets are caught
assertThrows(() => createMappedArrayBuffer("empty.txt", 8), RangeError);
assertThrows(() => createMappedArrayBuffer("empty.txt", 0, 8), Error);
}
if (getBuildConfiguration()["mapped-array-buffer"])
test();
reportCompare(0, 0, 'ok');
|
