| 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 | |
| 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 |