84 lines
2.2 KiB
C++
84 lines
2.2 KiB
C++
//===- llvm/unittest/Support/CrashRecoveryTest.cpp ------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/Compiler.h"
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#include "llvm/Support/CrashRecoveryContext.h"
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#include "gtest/gtest.h"
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#ifdef LLVM_ON_WIN32
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#define WIN32_LEAN_AND_MEAN
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#define NOGDI
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#include <windows.h>
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#endif
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using namespace llvm;
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using namespace llvm::sys;
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static int GlobalInt = 0;
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static void nullDeref() { *(volatile int *)0x10 = 0; }
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static void incrementGlobal() { ++GlobalInt; }
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static void llvmTrap() { LLVM_BUILTIN_TRAP; }
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TEST(CrashRecoveryTest, Basic) {
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llvm::CrashRecoveryContext::Enable();
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GlobalInt = 0;
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EXPECT_TRUE(CrashRecoveryContext().RunSafely(incrementGlobal));
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EXPECT_EQ(1, GlobalInt);
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EXPECT_FALSE(CrashRecoveryContext().RunSafely(nullDeref));
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EXPECT_FALSE(CrashRecoveryContext().RunSafely(llvmTrap));
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}
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struct IncrementGlobalCleanup : CrashRecoveryContextCleanup {
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IncrementGlobalCleanup(CrashRecoveryContext *CRC)
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: CrashRecoveryContextCleanup(CRC) {}
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virtual void recoverResources() { ++GlobalInt; }
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};
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static void noop() {}
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TEST(CrashRecoveryTest, Cleanup) {
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llvm::CrashRecoveryContext::Enable();
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GlobalInt = 0;
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{
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CrashRecoveryContext CRC;
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CRC.registerCleanup(new IncrementGlobalCleanup(&CRC));
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EXPECT_TRUE(CRC.RunSafely(noop));
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} // run cleanups
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EXPECT_EQ(1, GlobalInt);
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GlobalInt = 0;
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{
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CrashRecoveryContext CRC;
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CRC.registerCleanup(new IncrementGlobalCleanup(&CRC));
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EXPECT_FALSE(CRC.RunSafely(nullDeref));
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} // run cleanups
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EXPECT_EQ(1, GlobalInt);
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}
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#ifdef LLVM_ON_WIN32
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static void raiseIt() {
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RaiseException(123, EXCEPTION_NONCONTINUABLE, 0, NULL);
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}
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TEST(CrashRecoveryTest, RaiseException) {
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llvm::CrashRecoveryContext::Enable();
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EXPECT_FALSE(CrashRecoveryContext().RunSafely(raiseIt));
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}
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static void outputString() {
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OutputDebugStringA("output for debugger\n");
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}
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TEST(CrashRecoveryTest, CallOutputDebugString) {
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llvm::CrashRecoveryContext::Enable();
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EXPECT_TRUE(CrashRecoveryContext().RunSafely(outputString));
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}
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#endif
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