32 lines
1,017 B
C++
32 lines
1,017 B
C++
/*
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* Copyright (C) 2013 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <gtest/gtest.h>
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#include <errno.h>
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#include <strings.h>
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TEST(strings, ffs) {
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ASSERT_EQ( 0, ffs(0x00000000));
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ASSERT_EQ( 1, ffs(0x00000001));
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ASSERT_EQ( 6, ffs(0x00000020));
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ASSERT_EQ(11, ffs(0x00000400));
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ASSERT_EQ(16, ffs(0x00008000));
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ASSERT_EQ(17, ffs(0x00010000));
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ASSERT_EQ(22, ffs(0x00200000));
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ASSERT_EQ(27, ffs(0x04000000));
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ASSERT_EQ(32, ffs(0x80000000));
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}
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