| //===-- 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 |
