1 //===-- Utility class to test fixed-point abs -------------------*- 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 #include "test/UnitTest/Test.h" 10 11 #include "src/__support/fixed_point/fx_rep.h" 12 13 template <typename T> class AbsTest : public LIBC_NAMESPACE::testing::Test { 14 15 using FXRep = LIBC_NAMESPACE::fixed_point::FXRep<T>; 16 static constexpr T zero = FXRep::ZERO(); 17 static constexpr T min = FXRep::MIN(); 18 static constexpr T max = FXRep::MAX(); 19 static constexpr T half = static_cast<T>(0.5); 20 static constexpr T neg_half = static_cast<T>(-0.5); 21 22 public: 23 typedef T (*AbsFunc)(T); 24 testSpecialNumbers(AbsFunc func)25 void testSpecialNumbers(AbsFunc func) { 26 EXPECT_EQ(zero, func(zero)); 27 EXPECT_EQ(max, func(min)); 28 EXPECT_EQ(max, func(max)); 29 EXPECT_EQ(half, func(half)); 30 EXPECT_EQ(half, func(neg_half)); 31 } 32 }; 33 34 #define LIST_ABS_TESTS(T, func) \ 35 using LlvmLibcAbsTest = AbsTest<T>; \ 36 TEST_F(LlvmLibcAbsTest, SpecialNumbers) { testSpecialNumbers(&func); } \ 37 static_assert(true, "Require semicolon.") 38