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35 lines
1.2 KiB
C++
35 lines
1.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/MathAlgorithms.h"
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using mozilla::CountPopulation32;
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static void
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TestCountPopulation32()
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{
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MOZ_RELEASE_ASSERT(CountPopulation32(0xFFFFFFFF) == 32);
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MOZ_RELEASE_ASSERT(CountPopulation32(0xF0FF1000) == 13);
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MOZ_RELEASE_ASSERT(CountPopulation32(0x7F8F0001) == 13);
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MOZ_RELEASE_ASSERT(CountPopulation32(0x3FFF0100) == 15);
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MOZ_RELEASE_ASSERT(CountPopulation32(0x1FF50010) == 12);
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MOZ_RELEASE_ASSERT(CountPopulation32(0x00800000) == 1);
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MOZ_RELEASE_ASSERT(CountPopulation32(0x00400000) == 1);
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MOZ_RELEASE_ASSERT(CountPopulation32(0x00008000) == 1);
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MOZ_RELEASE_ASSERT(CountPopulation32(0x00004000) == 1);
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MOZ_RELEASE_ASSERT(CountPopulation32(0x00000080) == 1);
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MOZ_RELEASE_ASSERT(CountPopulation32(0x00000040) == 1);
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MOZ_RELEASE_ASSERT(CountPopulation32(0x00000001) == 1);
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MOZ_RELEASE_ASSERT(CountPopulation32(0x00000000) == 0);
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}
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int
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main()
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{
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TestCountPopulation32();
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return 0;
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}
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