blob: fbae3294a7b54ab6d7c060736620f6b7b42cd025 (
plain)
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
|
/*
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/licenses/publicdomain/
*/
//-----------------------------------------------------------------------------
var BUGNUMBER = 614070;
var summary = 'Array.prototype.unshift without args';
print(BUGNUMBER + ": " + summary);
/**************
* BEGIN TEST *
**************/
// ES6 ToLength clamps length values to 2^53 - 1.
var MAX_LENGTH = 2**53 - 1;
var a = {};
a.length = MAX_LENGTH + 1;
assertEq([].unshift.call(a), MAX_LENGTH);
assertEq(a.length, MAX_LENGTH);
function testGetSet(len, expected) {
var newlen;
var a = { get length() { return len; }, set length(v) { newlen = v; } };
var res = [].unshift.call(a);
assertEq(res, expected);
assertEq(newlen, expected);
}
testGetSet(0, 0);
testGetSet(10, 10);
testGetSet("1", 1);
testGetSet(null, 0);
testGetSet(MAX_LENGTH + 2, MAX_LENGTH);
testGetSet(-5, 0);
/******************************************************************************/
if (typeof reportCompare === "function")
reportCompare(true, true);
print("All tests passed!");
|
