| //===-- FPExceptMatcher.h ---------------------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIBC_UTILS_UNITTEST_FPEXCEPTMATCHER_H |
| #define LLVM_LIBC_UTILS_UNITTEST_FPEXCEPTMATCHER_H |
| |
| #ifndef LLVM_LIBC_TEST_USE_FUCHSIA |
| |
| #include "utils/UnitTest/Test.h" |
| |
| namespace __llvm_libc { |
| namespace fputil { |
| namespace testing { |
| |
| // TODO: Make the matcher match specific exceptions instead of just identifying |
| // that an exception was raised. |
| class FPExceptMatcher : public __llvm_libc::testing::Matcher<bool> { |
| bool exceptionRaised; |
| |
| public: |
| class FunctionCaller { |
| public: |
| virtual ~FunctionCaller(){}; |
| virtual void call() = 0; |
| }; |
| |
| template <typename Func> static FunctionCaller *getFunctionCaller(Func func) { |
| struct Callable : public FunctionCaller { |
| Func f; |
| explicit Callable(Func theFunc) : f(theFunc) {} |
| void call() override { f(); } |
| }; |
| |
| return new Callable(func); |
| } |
| |
| // Takes ownership of func. |
| explicit FPExceptMatcher(FunctionCaller *func); |
| |
| bool match(bool unused) { return exceptionRaised; } |
| |
| void explainError(testutils::StreamWrapper &stream) override { |
| stream << "A floating point exception should have been raised but it " |
| << "wasn't\n"; |
| } |
| }; |
| |
| } // namespace testing |
| } // namespace fputil |
| } // namespace __llvm_libc |
| |
| #define ASSERT_RAISES_FP_EXCEPT(func) \ |
| ASSERT_THAT( \ |
| true, \ |
| __llvm_libc::fputil::testing::FPExceptMatcher( \ |
| __llvm_libc::fputil::testing::FPExceptMatcher::getFunctionCaller( \ |
| func))) |
| #else |
| #define ASSERT_RAISES_FP_EXCEPT(func) ASSERT_DEATH(func, WITH_SIGNAL(SIGFPE)) |
| #endif // LLVM_LIBC_TEST_USE_FUCHSIA |
| |
| #endif // LLVM_LIBC_UTILS_UNITTEST_FPEXCEPTMATCHER_H |