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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_LIBC_TEST_INCLUDE_MATH_ISZERO_H 10 #define LLVM_LIBC_TEST_INCLUDE_MATH_ISZERO_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 IsZeroTest : public LIBC_NAMESPACE::testing::Test { 18 DECLARE_SPECIAL_CONSTANTS(T) 19 20 public: 21 typedef bool (*IsZeroFunc)(T); 22 testSpecialNumbers(IsZeroFunc func)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_H 39