| Elliott Hughes | 73964c5 | 2013-02-13 14:35:14 -0800 | [diff] [blame] | 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 | } |