libc/test/include/IsInfTest.h

   1 //===-- Utility class to test the isinf 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 information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef LLVM_LIBC_TEST_INCLUDE_MATH_ISINF_H
  10 #define LLVM_LIBC_TEST_INCLUDE_MATH_ISINF_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 IsInfTest : public LIBC_NAMESPACE::testing::Test {
  18
  19   DECLARE_SPECIAL_CONSTANTS(T)
  20
  21 public:
  22   typedef int (*IsInfFunc)(T);
  23
  24   void testSpecialNumbers(IsInfFunc func) {
  25     EXPECT_EQ(func(zero), 0);
  26     EXPECT_EQ(func(neg_zero), 0);
  27     EXPECT_EQ(func(inf), 1);
  28     EXPECT_EQ(func(neg_inf), 1);
  29   }
  30 };
  31
  32 #define LIST_ISINF_TESTS(T, func)                                              \
  33   using LlvmLibcIsInfTest = IsInfTest<T>;                                      \
  34   TEST_F(LlvmLibcIsInfTest, SpecialNumbers) {                                  \
  35     auto isinf_func = [](T x) { return func(x); };                             \
  36     testSpecialNumbers(isinf_func);                                            \
  37   }
  38
  39 #endif // LLVM_LIBC_TEST_INCLUDE_MATH_ISINF_H