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Imported Upstream version 5.18.0.167

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Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a
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Xamarin Public Jenkins (auto-signing)
2018-10-20 08:25:10 +00:00
parent e19d552987
commit b084638f15
28489 changed files with 184 additions and 3866856 deletions
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83
external/llvm/unittests/Support/CrashRecoveryTest.cpp vendored
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//===- llvm/unittest/Support/CrashRecoveryTest.cpp ------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/Compiler.h"
#include "llvm/Support/CrashRecoveryContext.h"
#include "gtest/gtest.h"
#ifdef LLVM_ON_WIN32
#define WIN32_LEAN_AND_MEAN
#define NOGDI
#include <windows.h>
#endif
using namespace llvm;
using namespace llvm::sys;
static int GlobalInt = 0;
static void nullDeref() { *(volatile int *)0x10 = 0; }
static void incrementGlobal() { ++GlobalInt; }
static void llvmTrap() { LLVM_BUILTIN_TRAP; }
TEST(CrashRecoveryTest, Basic) {
llvm::CrashRecoveryContext::Enable();
GlobalInt = 0;
EXPECT_TRUE(CrashRecoveryContext().RunSafely(incrementGlobal));
EXPECT_EQ(1, GlobalInt);
EXPECT_FALSE(CrashRecoveryContext().RunSafely(nullDeref));
EXPECT_FALSE(CrashRecoveryContext().RunSafely(llvmTrap));
}
struct IncrementGlobalCleanup : CrashRecoveryContextCleanup {
IncrementGlobalCleanup(CrashRecoveryContext *CRC)
: CrashRecoveryContextCleanup(CRC) {}
virtual void recoverResources() { ++GlobalInt; }
};
static void noop() {}
TEST(CrashRecoveryTest, Cleanup) {
llvm::CrashRecoveryContext::Enable();
GlobalInt = 0;
{
CrashRecoveryContext CRC;
CRC.registerCleanup(new IncrementGlobalCleanup(&CRC));
EXPECT_TRUE(CRC.RunSafely(noop));
} // run cleanups
EXPECT_EQ(1, GlobalInt);
GlobalInt = 0;
{
CrashRecoveryContext CRC;
CRC.registerCleanup(new IncrementGlobalCleanup(&CRC));
EXPECT_FALSE(CRC.RunSafely(nullDeref));
} // run cleanups
EXPECT_EQ(1, GlobalInt);
}
#ifdef LLVM_ON_WIN32
static void raiseIt() {
RaiseException(123, EXCEPTION_NONCONTINUABLE, 0, NULL);
}
TEST(CrashRecoveryTest, RaiseException) {
llvm::CrashRecoveryContext::Enable();
EXPECT_FALSE(CrashRecoveryContext().RunSafely(raiseIt));
}
static void outputString() {
OutputDebugStringA("output for debugger\n");
}
TEST(CrashRecoveryTest, CallOutputDebugString) {
llvm::CrashRecoveryContext::Enable();
EXPECT_TRUE(CrashRecoveryContext().RunSafely(outputString));
}
#endif