| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| /* vim: set ts=8 sts=2 et sw=2 tw=80: */ |
| /* 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/. */ |
| |
| #include "mozilla/MathAlgorithms.h" |
| |
| using mozilla::CountPopulation32; |
| |
| static void |
| TestCountPopulation32() |
| { |
| MOZ_RELEASE_ASSERT(CountPopulation32(0xFFFFFFFF) == 32); |
| MOZ_RELEASE_ASSERT(CountPopulation32(0xF0FF1000) == 13); |
| MOZ_RELEASE_ASSERT(CountPopulation32(0x7F8F0001) == 13); |
| MOZ_RELEASE_ASSERT(CountPopulation32(0x3FFF0100) == 15); |
| MOZ_RELEASE_ASSERT(CountPopulation32(0x1FF50010) == 12); |
| MOZ_RELEASE_ASSERT(CountPopulation32(0x00800000) == 1); |
| MOZ_RELEASE_ASSERT(CountPopulation32(0x00400000) == 1); |
| MOZ_RELEASE_ASSERT(CountPopulation32(0x00008000) == 1); |
| MOZ_RELEASE_ASSERT(CountPopulation32(0x00004000) == 1); |
| MOZ_RELEASE_ASSERT(CountPopulation32(0x00000080) == 1); |
| MOZ_RELEASE_ASSERT(CountPopulation32(0x00000040) == 1); |
| MOZ_RELEASE_ASSERT(CountPopulation32(0x00000001) == 1); |
| MOZ_RELEASE_ASSERT(CountPopulation32(0x00000000) == 0); |
| } |
| |
| int |
| main() |
| { |
| TestCountPopulation32(); |
| return 0; |
| } |
