The Tor Browser / file comparison
comparison: js/src/tests/js1_7/geniter/pi-generator.js
js/src/tests/js1_7/geniter/pi-generator.js
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:a84958286c1d |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 //----------------------------------------------------------------------------- | |
| 7 var BUGNUMBER = "(none)"; | |
| 8 var summary = "A (slow) generator of pi"; | |
| 9 var actual, expect; | |
| 10 | |
| 11 printBugNumber(BUGNUMBER); | |
| 12 printStatus(summary); | |
| 13 | |
| 14 /************** | |
| 15 * BEGIN TEST * | |
| 16 **************/ | |
| 17 | |
| 18 function pi() | |
| 19 { | |
| 20 var val = 0; | |
| 21 var curr = 1; | |
| 22 var isNeg = false; | |
| 23 while (true) | |
| 24 { | |
| 25 if (isNeg) | |
| 26 yield val -= 4/curr; | |
| 27 else | |
| 28 yield val += 4/curr; | |
| 29 curr += 2; | |
| 30 isNeg = !isNeg; | |
| 31 } | |
| 32 } | |
| 33 | |
| 34 var failed = false; | |
| 35 var it = pi(); | |
| 36 | |
| 37 var vals = | |
| 38 [4, | |
| 39 4 - 4/3, | |
| 40 4 - 4/3 + 4/5, | |
| 41 4 - 4/3 + 4/5 - 4/7]; | |
| 42 | |
| 43 try | |
| 44 { | |
| 45 for (var i = 0, sz = vals.length; i < sz; i++) | |
| 46 if (it.next() != vals[i]) | |
| 47 throw vals[i]; | |
| 48 } | |
| 49 catch (e) | |
| 50 { | |
| 51 failed = e; | |
| 52 } | |
| 53 | |
| 54 | |
| 55 | |
| 56 expect = false; | |
| 57 actual = failed; | |
| 58 | |
| 59 reportCompare(expect, actual, summary); |
