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