forked from mirrors/gecko-dev
6f45c666bc
# ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D14595 --HG-- extra : moz-landing-system : lando
30 lines
1.2 KiB
C++
30 lines
1.2 KiB
C++
/* -*- 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;
|
|
}
|