1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <gtest/gtest.h> 18 19 #include <errno.h> 20 #include <strings.h> 21 22 TEST(strings, ffs) { 23 ASSERT_EQ( 0, ffs(0x00000000)); 24 ASSERT_EQ( 1, ffs(0x00000001)); 25 ASSERT_EQ( 6, ffs(0x00000020)); 26 ASSERT_EQ(11, ffs(0x00000400)); 27 ASSERT_EQ(16, ffs(0x00008000)); 28 ASSERT_EQ(17, ffs(0x00010000)); 29 ASSERT_EQ(22, ffs(0x00200000)); 30 ASSERT_EQ(27, ffs(0x04000000)); 31 ASSERT_EQ(32, ffs(0x80000000)); 32 } 33
