| //===-- Unittests for ffsl ------------------------------------------------===// | |
| // | |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | |
| // See https://llvm.org/LICENSE.txt for license information. | |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | |
| // | |
| //===----------------------------------------------------------------------===// | |
| #include "src/strings/ffsl.h" | |
| #include "src/__support/macros/config.h" | |
| #include "test/UnitTest/Test.h" | |
| namespace LIBC_NAMESPACE_DECL { | |
| TEST(LlvmLibcFfslTest, SimpleFfsl) { | |
| ASSERT_EQ(ffsl(0x00000000L), 0); | |
| ASSERT_EQ(ffsl(0x00000001L), 1); | |
| ASSERT_EQ(ffsl(0x00000020L), 6); | |
| ASSERT_EQ(ffsl(0x00000400L), 11); | |
| ASSERT_EQ(ffsl(0x00008000L), 16); | |
| ASSERT_EQ(ffsl(0x00010000L), 17); | |
| ASSERT_EQ(ffsl(0x00200000L), 22); | |
| ASSERT_EQ(ffsl(0x04000000L), 27); | |
| ASSERT_EQ(ffsl(0x80000000L), 32); | |
| #ifdef __LP64__ | |
| ASSERT_EQ(ffsl(0x0000000100000000L), 33); | |
| ASSERT_EQ(ffsl(0x0000002000000000L), 38); | |
| ASSERT_EQ(ffsl(0x0000040000000000L), 43); | |
| ASSERT_EQ(ffsl(0x0000800000000000L), 48); | |
| ASSERT_EQ(ffsl(0x0001000000000000L), 49); | |
| ASSERT_EQ(ffsl(0x0020000000000000L), 54); | |
| ASSERT_EQ(ffsl(0x0400000000000000L), 59); | |
| ASSERT_EQ(ffsl(0x8000000000000000L), 64); | |
| #endif | |
| ASSERT_EQ(ffsl(0xfbe71L), 1); | |
| ASSERT_EQ(ffsl(0xfbe70L), 5); | |
| ASSERT_EQ(ffsl(0x10L), 5); | |
| ASSERT_EQ(ffsl(0x100L), 9); | |
| } | |
| } // namespace LIBC_NAMESPACE_DECL |