1 //===-- Utility class to test the signbit macro [f|l] -----------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_LIBC_TEST_INCLUDE_MATH_SIGNBIT_H 10 #define LLVM_LIBC_TEST_INCLUDE_MATH_SIGNBIT_H 11 12 #include "test/UnitTest/FPMatcher.h" 13 #include "test/UnitTest/Test.h" 14 15 #include "include/llvm-libc-macros/math-function-macros.h" 16 17 template <typename T> class SignbitTest : public LIBC_NAMESPACE::testing::Test { 18 19 DECLARE_SPECIAL_CONSTANTS(T) 20 21 public: 22 typedef int (*SignbitFunc)(T); 23 testSpecialNumbers(SignbitFunc func)24 void testSpecialNumbers(SignbitFunc func) { 25 EXPECT_EQ(func(1), 0); 26 EXPECT_NE(func(-1), 0); 27 } 28 }; 29 30 #define LIST_SIGNBIT_TESTS(T, func) \ 31 using LlvmLibcSignbitTest = SignbitTest<T>; \ 32 TEST_F(LlvmLibcSignbitTest, SpecialNumbers) { \ 33 auto signbit_func = [](T x) { return func(x); }; \ 34 testSpecialNumbers(signbit_func); \ 35 } 36 37 #endif // LLVM_LIBC_TEST_INCLUDE_MATH_SIGNBIT_H 38