mfbt/tests/TestCountPopulation.cpp@925c144e1f1f
mfbt/tests/TestCountPopulation.cpp
Fri, 16 Jan 2015 18:13:44 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Fri, 16 Jan 2015 18:13:44 +0100
- branch
- TOR_BUG_9701
- changeset 14
- 925c144e1f1f
- permissions
- -rw-r--r--
Integrate suggestion from review to improve consistency with existing code.
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 file,
4 * You can obtain one at http://mozilla.org/MPL/2.0/. */
6 #include "mozilla/MathAlgorithms.h"
8 using mozilla::CountPopulation32;
10 static void
11 TestCountPopulation32()
12 {
13 MOZ_RELEASE_ASSERT(CountPopulation32(0xFFFFFFFF) == 32);
14 MOZ_RELEASE_ASSERT(CountPopulation32(0xF0FF1000) == 13);
15 MOZ_RELEASE_ASSERT(CountPopulation32(0x7F8F0001) == 13);
16 MOZ_RELEASE_ASSERT(CountPopulation32(0x3FFF0100) == 15);
17 MOZ_RELEASE_ASSERT(CountPopulation32(0x1FF50010) == 12);
18 MOZ_RELEASE_ASSERT(CountPopulation32(0x00800000) == 1);
19 MOZ_RELEASE_ASSERT(CountPopulation32(0x00400000) == 1);
20 MOZ_RELEASE_ASSERT(CountPopulation32(0x00008000) == 1);
21 MOZ_RELEASE_ASSERT(CountPopulation32(0x00004000) == 1);
22 MOZ_RELEASE_ASSERT(CountPopulation32(0x00000080) == 1);
23 MOZ_RELEASE_ASSERT(CountPopulation32(0x00000040) == 1);
24 MOZ_RELEASE_ASSERT(CountPopulation32(0x00000001) == 1);
25 MOZ_RELEASE_ASSERT(CountPopulation32(0x00000000) == 0);
26 }
28 int main()
29 {
30 TestCountPopulation32();
31 return 0;
32 }
