| //===-- Unittests for ffsll -----------------------------------------------===// | |
| // | |
| // 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/ffsll.h" | |
| #include "src/__support/macros/config.h" | |
| #include "test/UnitTest/Test.h" | |
| namespace LIBC_NAMESPACE_DECL { | |
| TEST(LlvmLibcFfsllTest, SimpleFfsll) { | |
| ASSERT_EQ(ffsll(0x0000000000000000LL), 0); | |
| ASSERT_EQ(ffsll(0x0000000000000001LL), 1); | |
| ASSERT_EQ(ffsll(0x0000000000000020LL), 6); | |
| ASSERT_EQ(ffsll(0x0000000000000400LL), 11); | |
| ASSERT_EQ(ffsll(0x0000000000008000LL), 16); | |
| ASSERT_EQ(ffsll(0x0000000000010000LL), 17); | |
| ASSERT_EQ(ffsll(0x0000000000200000LL), 22); | |
| ASSERT_EQ(ffsll(0x0000000004000000LL), 27); | |
| ASSERT_EQ(ffsll(0x0000000080000000LL), 32); | |
| ASSERT_EQ(ffsll(0x0000000100000000LL), 33); | |
| ASSERT_EQ(ffsll(0x0000002000000000LL), 38); | |
| ASSERT_EQ(ffsll(0x0000040000000000LL), 43); | |
| ASSERT_EQ(ffsll(0x0000800000000000LL), 48); | |
| ASSERT_EQ(ffsll(0x0001000000000000LL), 49); | |
| ASSERT_EQ(ffsll(0x0020000000000000LL), 54); | |
| ASSERT_EQ(ffsll(0x0400000000000000LL), 59); | |
| ASSERT_EQ(ffsll(0x8000000000000000LL), 64); | |
| ASSERT_EQ(ffsll(0xfbe71LL), 1); | |
| ASSERT_EQ(ffsll(0xfbe70LL), 5); | |
| ASSERT_EQ(ffsll(0x10LL), 5); | |
| ASSERT_EQ(ffsll(0x100LL), 9); | |
| } | |
| } // namespace LIBC_NAMESPACE_DECL |