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1//===-- Utility class to test the iszero macro -----------------*- 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_ISZERO_H10#define LLVM_LIBC_TEST_INCLUDE_MATH_ISZERO_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 IsZeroTest : public LIBC_NAMESPACE::testing::Test {18 DECLARE_SPECIAL_CONSTANTS(T)19 20public:21 typedef bool (*IsZeroFunc)(T);22 23 void testSpecialNumbers(IsZeroFunc func) {24 EXPECT_FALSE(func(inf));25 EXPECT_FALSE(func(neg_inf));26 EXPECT_TRUE(func(zero));27 EXPECT_TRUE(func(neg_zero));28 }29};30 31#define LIST_ISZERO_TESTS(T, func) \32 using LlvmLibcIsZeroTest = IsZeroTest<T>; \33 TEST_F(LlvmLibcIsZeroTest, SpecialNumbers) { \34 auto iszero_func = [](T x) { return func(x); }; \35 testSpecialNumbers(iszero_func); \36 }37 38#endif // LLVM_LIBC_TEST_INCLUDE_MATH_ISZERO_H39