Tim Starling
58 linhas
1.6 KiB
C++
58 linhas
1.6 KiB
C++
/*
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+----------------------------------------------------------------------+
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| HipHop for PHP |
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+----------------------------------------------------------------------+
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| Copyright (c) 2010-2013 Facebook, Inc. (http://www.facebook.com) |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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*/
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#include "hphp/util/bitops.h"
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#include "gtest/gtest.h"
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namespace HPHP {
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TEST(BitopsTest, FfsNonzero) {
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int64_t out;
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int64_t one = 1;
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bool res;
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for (int i = 0; i < 63; i++) {
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res = ffs64(one << i, out);
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EXPECT_TRUE(res);
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EXPECT_EQ(i, out);
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}
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}
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TEST(BitopsTest, FlsNonzero) {
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int64_t out;
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int64_t one = 1;
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bool res;
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for (int i = 0; i < 63; i++) {
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res = fls64(one << i, out);
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EXPECT_TRUE(res);
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EXPECT_EQ(i, out);
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}
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}
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TEST(BitopsTest, FfsZero) {
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int64_t zero = 0;
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int64_t out;
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EXPECT_FALSE(ffs64(zero, out));
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}
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TEST(BitopsTest, FlsZero) {
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int64_t zero = 0;
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int64_t out;
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EXPECT_FALSE(fls64(zero, out));
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}
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}
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