1//===-- unittests/Runtime/CrashHandlerFixture.cpp ---------------*- 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 "CrashHandlerFixture.h"
10#include "flang-rt/runtime/terminator.h"
11#include <cstdarg>
12#include <cstdlib>
13
14// Replaces Fortran runtime's crash handler so we can verify the crash message
15[[noreturn]] static void CatchCrash(
16 const char *sourceFile, int sourceLine, const char *message, va_list &ap) {
17 char buffer[1000];
18 std::vsnprintf(s: buffer, maxlen: sizeof buffer, format: message, arg: ap);
19 va_end(ap);
20 llvm::errs()
21 << "Test "
22 << ::testing::UnitTest::GetInstance()->current_test_info()->name()
23 << " crashed in file "
24 << (sourceFile ? sourceFile : "unknown source file") << '(' << sourceLine
25 << "): " << buffer << '\n';
26 std::exit(EXIT_FAILURE);
27}
28
29// Register the crash handler above when creating each unit test in this suite
30void CrashHandlerFixture::SetUp() {
31 static bool isCrashHanlderRegistered{false};
32
33 if (!isCrashHanlderRegistered) {
34 Fortran::runtime::Terminator::RegisterCrashHandler(CatchCrash);
35 }
36
37 isCrashHanlderRegistered = true;
38}
39

source code of flang-rt/unittests/Runtime/CrashHandlerFixture.cpp