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1//===-- Utility class to test the isnan 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 nanormation.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLVM_LIBC_TEST_INCLUDE_MATH_ISNAN_H10#define LLVM_LIBC_TEST_INCLUDE_MATH_ISNAN_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 IsNanTest : public LIBC_NAMESPACE::testing::Test {18 19 DECLARE_SPECIAL_CONSTANTS(T)20 21public:22 typedef int (*IsNanFunc)(T);23 24 void testSpecialNumbers(IsNanFunc func) {25 EXPECT_EQ(func(zero), 0);26 EXPECT_EQ(func(neg_zero), 0);27 EXPECT_EQ(func(aNaN), 1);28 EXPECT_EQ(func(sNaN), 1);29 }30};31 32#define LIST_ISNAN_TESTS(T, func) \33 using LlvmLibcIsNanTest = IsNanTest<T>; \34 TEST_F(LlvmLibcIsNanTest, SpecialNumbers) { \35 auto isnan_func = [](T x) { return func(x); }; \36 testSpecialNumbers(isnan_func); \37 }38 39#endif // LLVM_LIBC_TEST_INCLUDE_MATH_ISNAN_H40