blob: 96860332a2c35b7a9f8dc7723b7726b0a337ebe9 (
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
45
46
47
|
function MemoryLeak() {
this.myArr = [];
for (var i = 0; i < 1000000; i++) {
this.myArr.push(i)
}
}
var numOfTests = 300;
for (var i = 0; i < numOfTests; i += 1) {
/*
* This Test suite will crash V8 due to:
* 'FATAL ERROR: CALL_AND_RETRY_LAST Allocation failed - process out of memory'
* if all the deferred functions references have not been cleared
*/
describe('Memory Leak Suite #' + i, function () {
// The <closureVar> variable will be accessed by the test below.
// As long as those test's functions are
// referenced in memory, the closure variable may not be garbage collected
// as it is still referenced.
// * In a chrome heap snapshot it will appear under "system / Context" (a scope)
var closureVar;
before(function () {
var x = closureVar ? 1 : 2
});
after(function () {
var x = closureVar[0]
});
beforeEach(function () {
var x = closureVar ? 1 : 2
});
afterEach(function () {
var x = closureVar[0]
});
it('access a variable via a closure', function () {
// slow performance on older node.js versions
this.timeout(1000);
closureVar = new MemoryLeak();
});
});
}
|
