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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-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLVM_LIBC_TEST_INCLUDE_MATH_SIGNBIT_H10#define LLVM_LIBC_TEST_INCLUDE_MATH_SIGNBIT_H11 12#include "test/UnitTest/FPMatcher.h"13#include "test/UnitTest/Test.h"14 15#include "include/llvm-libc-macros/math-function-macros.h"16 17template <typename T> class SignbitTest : public LIBC_NAMESPACE::testing::Test {18 19 DECLARE_SPECIAL_CONSTANTS(T)20 21public:22 typedef int (*SignbitFunc)(T);23 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_H38