blob: b5d4bf47b84a06ceebb6697f7c2a005c7bf27c37 (
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
48
49
50
51
52
53
54
55
56
57
|
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* 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/. */
//-----------------------------------------------------------------------------
var summary = "A (slow) generator of pi";
var actual, expect;
printStatus(summary);
/**************
* BEGIN TEST *
**************/
function* pi()
{
var val = 0;
var curr = 1;
var isNeg = false;
while (true)
{
if (isNeg)
yield val -= 4/curr;
else
yield val += 4/curr;
curr += 2;
isNeg = !isNeg;
}
}
var failed = false;
var it = pi();
var vals =
[4,
4 - 4/3,
4 - 4/3 + 4/5,
4 - 4/3 + 4/5 - 4/7];
try
{
for (var i = 0, sz = vals.length; i < sz; i++)
if (it.next().value != vals[i])
throw vals[i];
}
catch (e)
{
failed = e;
}
expect = false;
actual = failed;
reportCompare(expect, actual, summary);
|
