Files
UnrealEngine/Engine/Source/Programs/AutoRTFMTests/Private/Abort.cpp
2025-05-18 13:04:45 +08:00

1012 lines
24 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "AutoRTFMTesting.h"
#include "AutoRTFMTestUtils.h"
#include "Catch2Includes.h"
#include <map>
#include <vector>
TEST_CASE("Abort")
{
int x = 42;
std::vector<int> v;
std::map<int, std::vector<int>> m;
v.push_back(100);
m[1].push_back(2);
m[1].push_back(3);
m[4].push_back(5);
m[6].push_back(7);
m[6].push_back(8);
m[6].push_back(9);
auto transaction = AutoRTFM::Transact([&]()
{
x = 5;
for (size_t n = 10; n--;)
v.push_back(2 * n);
m.clear();
m[10].push_back(11);
m[12].push_back(13);
m[12].push_back(14);
AutoRTFM::AbortTransaction();
});
REQUIRE(
AutoRTFM::ETransactionResult::AbortedByRequest ==
transaction);
REQUIRE(x == 42);
REQUIRE(v.size() == 1);
REQUIRE(v[0] == 100);
REQUIRE(m.size() == 3);
REQUIRE(m[1].size() == 2);
REQUIRE(m[1][0] == 2);
REQUIRE(m[1][1] == 3);
REQUIRE(m[4].size() == 1);
REQUIRE(m[4][0] == 5);
REQUIRE(m[6].size() == 3);
REQUIRE(m[6][0] == 7);
REQUIRE(m[6][1] == 8);
REQUIRE(m[6][2] == 9);
}
TEST_CASE("Abort.NestedAbortOrder")
{
unsigned Orderer = 0;
AutoRTFM::Commit([&]
{
// If we are retrying transactions, need to reset the test state.
AutoRTFM::OnAbort([&]
{
Orderer = 0;
});
AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
AutoRTFM::OnAbort([&]
{
REQUIRE(1 == Orderer);
Orderer += 1;
});
AutoRTFM::OnAbort([&]
{
REQUIRE(0 == Orderer);
Orderer += 1;
});
AutoRTFM::AbortTransaction();
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByRequest == Result);
});
REQUIRE(2 == Orderer);
}
TEST_CASE("Abort.TransactionInOnCommit")
{
AutoRTFM::Commit([&]
{
AutoRTFM::OnCommit([&]
{
bool bDidSomething = false;
AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
bDidSomething = true;
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByTransactInOnCommit == Result);
REQUIRE(false == bDidSomething);
});
});
}
TEST_CASE("Abort.TransactionInOnAbort")
{
AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
AutoRTFM::OnAbort([&]
{
bool bDidSomething = false;
AutoRTFM::ETransactionResult InnerResult = AutoRTFM::Transact([&]
{
bDidSomething = true;
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByTransactInOnAbort == InnerResult);
REQUIRE(false == bDidSomething);
});
AutoRTFM::AbortTransaction();
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByRequest == Result);
}
TEST_CASE("Abort.AbortInInnerTransaction")
{
int Value = 1;
AutoRTFM::Transact([&]
{
Value = 2;
AutoRTFM::Transact([&]
{
Value = 3;
AutoRTFM::AbortTransaction(); // Only cancels innermost nest.
});
});
REQUIRE(Value == 2);
}
TEST_CASE("Abort.OnAbortInOuterTransaction_AbortInInnerTransaction")
{
int Value = 1;
AutoRTFM::Transact([&]
{
AutoRTFM::OnAbort([&]
{
if (AutoRTFM::ForTheRuntime::GetRetryTransaction() == AutoRTFM::ForTheRuntime::NoRetry)
{
REQUIRE(!"This should not be reached.");
Value = 2;
}
});
AutoRTFM::Transact([&]
{
REQUIRE(Value == 1);
Value = 3;
AutoRTFM::AbortTransaction(); // Only cancels innermost nest.
});
REQUIRE(Value == 1);
Value = 4;
});
REQUIRE(Value == 4);
}
TEST_CASE("Abort.Cascade")
{
bool bTouched = false;
const AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
bTouched = true;
AutoRTFM::Transact([&]
{
AutoRTFM::CascadingAbortTransaction();
});
FAIL("Execution should never reach this point");
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByCascade == Result);
REQUIRE(false == bTouched);
}
TEST_CASE("Abort.CascadeWithPostAbortCallback")
{
bool bTouched = false;
bool bPostAbortCallbackWasExecuted = false;
const AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
bTouched = true;
AutoRTFM::Transact([&]
{
AutoRTFM::CascadingAbortTransaction([&]
{
REQUIRE(!bTouched); // Rollbacks must occur before the post-abort callback is invoked.
bPostAbortCallbackWasExecuted = true;
});
});
FAIL("Execution should never reach this point");
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByCascade == Result);
REQUIRE(!bTouched);
REQUIRE(bPostAbortCallbackWasExecuted);
}
TEST_CASE("Abort.CascadingAbortMustRunOnAbortsBeforePostAbort")
{
bool bOnAbortWasCalled = false;
bool bPostAbortCallbackWasExecuted = false;
const AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
AutoRTFM::OnAbort([&]
{
bOnAbortWasCalled = true;
});
AutoRTFM::CascadingAbortTransaction([&]
{
REQUIRE(bOnAbortWasCalled); // OnAborts must before the post-abort callback is invoked.
bPostAbortCallbackWasExecuted = true;
});
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByCascade == Result);
REQUIRE(bOnAbortWasCalled);
REQUIRE(bPostAbortCallbackWasExecuted);
}
TEST_CASE("Abort.CascadingRollbackInOpen")
{
bool bTouched = false;
bool bExecutedCodeAfterCascadingRollback = false;
const AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
bTouched = true;
AutoRTFM::Open([&]
{
const AutoRTFM::ETransactionResult InnerResult = AutoRTFM::ForTheRuntime::CascadingRollbackTransaction();
REQUIRE(AutoRTFM::ETransactionResult::AbortedByCascade == InnerResult);
bExecutedCodeAfterCascadingRollback = true;
});
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByCascade == Result);
REQUIRE(!bTouched);
REQUIRE(bExecutedCodeAfterCascadingRollback);
}
TEST_CASE("Abort.CascadeThroughOpen")
{
bool bTouched = false;
const AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
bTouched = true;
AutoRTFM::Open([&]
{
const AutoRTFM::EContextStatus Status = AutoRTFM::Close([&]
{
AutoRTFM::Transact([&]
{
AutoRTFM::CascadingAbortTransaction();
});
});
REQUIRE(AutoRTFM::EContextStatus::AbortedByCascadingAbort == Status);
});
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByCascade == Result);
REQUIRE(false == bTouched);
}
TEST_CASE("Abort.CascadeWithCallbackThroughOpen")
{
bool bTouched = false;
bool bPostAbortCallbackWasExecuted = false;
const AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
bTouched = true;
AutoRTFM::Open([&]
{
const AutoRTFM::EContextStatus Status = AutoRTFM::Close([&]
{
AutoRTFM::Transact([&]
{
AutoRTFM::CascadingAbortTransaction([&]
{
REQUIRE(!bTouched); // Rollbacks must occur before the post-abort callback is invoked.
bPostAbortCallbackWasExecuted = true;
});
});
});
REQUIRE(AutoRTFM::EContextStatus::AbortedByCascadingAbort == Status);
});
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByCascade == Result);
REQUIRE(!bTouched);
REQUIRE(bPostAbortCallbackWasExecuted);
}
TEST_CASE("Abort.CascadeThroughManualTransaction")
{
bool bPostAbortCallbackWasExecuted = false;
bool bTouched = false;
const AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
bTouched = true;
AutoRTFM::Open([&]
{
REQUIRE(true == AutoRTFM::ForTheRuntime::StartTransaction());
const AutoRTFM::EContextStatus Status = AutoRTFM::Close([&]
{
AutoRTFM::CascadingAbortTransaction([&]
{
REQUIRE(!bTouched); // Rollbacks must occur before the post-abort callback is invoked.
bPostAbortCallbackWasExecuted = true;
});
});
REQUIRE(AutoRTFM::EContextStatus::AbortedByCascadingAbort == Status);
// We need to clear the status ourselves.
AutoRTFM::ForTheRuntime::ClearTransactionStatus();
// Before manually starting the cascade again.
AutoRTFM::ForTheRuntime::CascadingRollbackTransaction();
});
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByCascade == Result);
REQUIRE(!bTouched);
REQUIRE(bPostAbortCallbackWasExecuted);
}
static int SAbortKey;
TEST_CASE("Abort.PushOnAbortHandler_NoAbort")
{
int Value = 55;
AutoRTFM::Commit([&]
{
Value = 66;
AutoRTFM::PushOnAbortHandler(&SAbortKey, [&Value](){ Value = 77; });
});
REQUIRE(Value == 66);
}
TEST_CASE("Abort.PushOnAbortHandler_WithAbort")
{
int Value = 55;
const AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
Value = 66;
AutoRTFM::PushOnAbortHandler(&SAbortKey, [&Value](){ Value = 77; });
AutoRTFM::AbortTransaction();
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByRequest == Result);
REQUIRE(Value == 77);
}
TEST_CASE("Abort.PushOnAbortHandler_MutableCapture")
{
FString Message = "Hello";
AutoRTFM::Transact([&]
{
AutoRTFM::PushOnAbortHandler(&SAbortKey, [MessageCopy = Message]() mutable
{
MessageCopy += " World!";
REQUIRE(MessageCopy == "Hello World!");
});
AutoRTFM::AbortTransaction();
});
}
TEST_CASE("Abort.PushOnAbortHandler_WithPop_NoAbort")
{
int Value = 55;
AutoRTFM::Commit([&]
{
Value = 66;
AutoRTFM::PushOnAbortHandler(&SAbortKey, [&Value]() { Value = 77; });
Value = 88;
AutoRTFM::PopOnAbortHandler(&SAbortKey);
});
REQUIRE(Value == 88);
}
TEST_CASE("Abort.PushOnAbortHandler_WithPopAll_NoAbort")
{
int Value = 55;
AutoRTFM::Commit([&]
{
Value = 66;
AutoRTFM::PushOnAbortHandler(&SAbortKey, [&Value](){ Value = 77; });
Value = 88;
AutoRTFM::PopAllOnAbortHandlers(&SAbortKey);
});
REQUIRE(Value == 88);
}
TEST_CASE("Abort.PushOnAbortHandler_WithPop_WithAbort")
{
int Value = 55;
const AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
Value = 66;
AutoRTFM::PushOnAbortHandler(&SAbortKey, [&Value](){ Value = 77; });
Value = 88;
AutoRTFM::PopOnAbortHandler(&SAbortKey);
AutoRTFM::AbortTransaction();
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByRequest == Result);
REQUIRE(Value == 55);
}
TEST_CASE("Abort.PushOnAbortHandler_WithPopAll_WithAbort")
{
int Value = 55;
const AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
Value = 66;
AutoRTFM::PushOnAbortHandler(&SAbortKey, [&Value]() { Value = 77; });
Value = 88;
AutoRTFM::PopAllOnAbortHandlers(&SAbortKey);
AutoRTFM::AbortTransaction();
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByRequest == Result);
REQUIRE(Value == 55);
}
TEST_CASE("Abort.PushOnAbortHandler_Duplicates1")
{
int Value = 55;
const AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
Value = 66;
AutoRTFM::PushOnAbortHandler(&SAbortKey, [&Value]() { Value = 77; });
AutoRTFM::PushOnAbortHandler(&SAbortKey, [&Value]() { Value = 88; });
Value = 99;
AutoRTFM::PopOnAbortHandler(&SAbortKey);
AutoRTFM::AbortTransaction();
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByRequest == Result);
// The first push on abort will still go through.
REQUIRE(Value == 77);
}
TEST_CASE("Abort.PushOnAbortHandler_PopAll_Duplicates")
{
int Value = 55;
const AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
Value = 66;
AutoRTFM::PushOnAbortHandler(&SAbortKey, [&Value]() { Value = 77; });
AutoRTFM::PushOnAbortHandler(&SAbortKey, [&Value]() { Value = 88; });
Value = 99;
AutoRTFM::PopAllOnAbortHandlers(&SAbortKey);
AutoRTFM::AbortTransaction();
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByRequest == Result);
// No abort handlers should execute.
REQUIRE(Value == 55);
}
TEST_CASE("Abort.PushOnAbortHandler_Duplicates2")
{
int Value = 55;
const AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
Value = 66;
AutoRTFM::PushOnAbortHandler(&SAbortKey, [&Value](){ Value += 12; });
AutoRTFM::PushOnAbortHandler(&SAbortKey, [&Value](){ Value = 65; });
Value = 99;
AutoRTFM::AbortTransaction();
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByRequest == Result);
REQUIRE(Value == 77);
}
TEST_CASE("Abort.PushOnAbortHandler_Order")
{
SECTION("HandlerSandwich")
{
SECTION("WithoutPop")
{
int Value = 37;
const AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
AutoRTFM::OnAbort([&Value] { REQUIRE(42 == Value); Value += 1; });
AutoRTFM::PushOnAbortHandler(&SAbortKey, [&Value]() { REQUIRE(40 == Value); Value += 2; });
AutoRTFM::OnAbort([&Value] { REQUIRE(37 == Value); Value += 3; });
Value = 99;
AutoRTFM::AbortTransaction();
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByRequest == Result);
REQUIRE(Value == 43);
}
SECTION("WithPop")
{
int Value = 37;
const AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
AutoRTFM::OnAbort([&Value] { REQUIRE(40 == Value); Value += 1; });
AutoRTFM::PushOnAbortHandler(&SAbortKey, [&Value]() { REQUIRE(false); });
AutoRTFM::OnAbort([&Value] { REQUIRE(37 == Value); Value += 3; });
AutoRTFM::PopOnAbortHandler(&SAbortKey);
Value = 99;
AutoRTFM::AbortTransaction();
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByRequest == Result);
REQUIRE(Value == 41);
}
}
SECTION("HandlerInChild")
{
SECTION("WithoutPop")
{
int Value = 37;
const AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
AutoRTFM::OnAbort([&Value]
{
REQUIRE(42 == Value);
Value += 1;
});
// Make a child transaction.
AutoRTFM::Commit([&]
{
AutoRTFM::PushOnAbortHandler(&SAbortKey, [&Value]()
{
// If we are retrying nested transactions too, we can't check that
// the value was something specific before hand!
if (!AutoRTFM::ForTheRuntime::ShouldRetryNestedTransactionsToo())
{
REQUIRE(40 == Value);
Value += 2;
}
else
{
Value += 1;
}
});
});
AutoRTFM::OnAbort([&Value]
{
// If we are retrying nested transactions too, we've ran the on-abort in the
// child transaction once, so our value will be larger.
if (!AutoRTFM::ForTheRuntime::ShouldRetryNestedTransactionsToo())
{
REQUIRE(37 == Value);
}
else
{
REQUIRE(38 == Value);
}
Value += 3;
});
Value = 99;
AutoRTFM::AbortTransaction();
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByRequest == Result);
REQUIRE(Value == 43);
}
SECTION("WithPop")
{
int Value = 37;
const AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
AutoRTFM::OnAbort([&Value] { REQUIRE(40 == Value); Value += 1; });
// Make a child transaction.
AutoRTFM::Commit([&]
{
AutoRTFM::PushOnAbortHandler(&SAbortKey, [&Value]()
{
// Only if we are retrying on
REQUIRE(AutoRTFM::ForTheRuntime::ShouldRetryNestedTransactionsToo());
});
});
AutoRTFM::OnAbort([&Value] { REQUIRE(37 == Value); Value += 3; });
// Bit funky, but we can pop the child's push here!
AutoRTFM::PopOnAbortHandler(&SAbortKey);
Value = 99;
AutoRTFM::AbortTransaction();
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByRequest == Result);
REQUIRE(Value == 41);
}
SECTION("AbortInChild")
{
int Value = 99;
AutoRTFM::ETransactionResult Result = AutoRTFM::ETransactionResult::Committed;
AutoRTFM::Commit([&]
{
AutoRTFM::OnCommit([&Value] { REQUIRE(37 == Value); Value += 1; });
// Make a child transaction.
Result = AutoRTFM::Transact([&]
{
AutoRTFM::PushOnAbortHandler(&SAbortKey, [&Value]() { REQUIRE(99 == Value); Value += 2; });
AutoRTFM::AbortTransaction();
});
AutoRTFM::Open([&]
{
REQUIRE(Value == 101);
});
AutoRTFM::OnCommit([&Value] { REQUIRE(38 == Value); Value += 3; });
Value = 37;
AutoRTFM::OnAbort([&Value] { Value = 99; });
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByRequest == Result);
REQUIRE(Value == 41);
}
SECTION("PopInChild")
{
int Value = 99;
AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
AutoRTFM::PushOnAbortHandler(&SAbortKey, [&Value] { Value = 42; });
AutoRTFM::Commit([&] { AutoRTFM::PopOnAbortHandler(&SAbortKey); });
AutoRTFM::AbortTransaction();
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByRequest == Result);
REQUIRE(99 == Value);
}
SECTION("PopInChildAndAbort")
{
int Value = 99;
AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
AutoRTFM::PushOnAbortHandler(&SAbortKey, [&Value] { Value = 42; });
AutoRTFM::Transact([&]
{
AutoRTFM::PopOnAbortHandler(&SAbortKey);
// This abort means the pop on abort handler *should not* propagate
// to the parent scope (meaning the parents push on abort should
// run as normal).
AutoRTFM::AbortTransaction();
});
AutoRTFM::AbortTransaction();
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByRequest == Result);
REQUIRE(42 == Value);
}
SECTION("PopInChildsChild")
{
int Value = 99;
AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
AutoRTFM::PushOnAbortHandler(&SAbortKey, [&Value] { Value = 42; });
AutoRTFM::Commit([&] { AutoRTFM::Commit([&] { AutoRTFM::PopOnAbortHandler(&SAbortKey); }); });
AutoRTFM::AbortTransaction();
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByRequest == Result);
REQUIRE(99 == Value);
}
SECTION("PopAllInChild")
{
int Value = 99;
AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
AutoRTFM::PushOnAbortHandler(&SAbortKey, [&Value] { Value = 42; });
AutoRTFM::Commit([&]
{
AutoRTFM::PushOnAbortHandler(&SAbortKey, [&Value] { Value = 13; });
AutoRTFM::PopAllOnAbortHandlers(&SAbortKey);
});
AutoRTFM::AbortTransaction();
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByRequest == Result);
REQUIRE(99 == Value);
}
SECTION("PopAllInChildAbort")
{
int Value = 99;
AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
AutoRTFM::PushOnAbortHandler(&SAbortKey, [&Value] { Value = 42; });
AutoRTFM::Transact([&]
{
AutoRTFM::PushOnAbortHandler(&SAbortKey, [&Value] { Value = 13; });
AutoRTFM::PopAllOnAbortHandlers(&SAbortKey);
// This abort will ensure that the pop-all cannot affect the outer transactions
// push on abort!
AutoRTFM::AbortTransaction();
});
AutoRTFM::AbortTransaction();
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByRequest == Result);
REQUIRE(42 == Value);
}
}
}
TEST_CASE("Abort.OnAbortTiming")
{
bool bOnAbortRan = false;
int Memory = 666;
AutoRTFM::Commit([&]
{
// If we are retrying transactions, need to reset the test state.
AutoRTFM::OnAbort([&]
{
REQUIRE(bOnAbortRan);
REQUIRE(Memory == 666);
bOnAbortRan = false;
});
REQUIRE(bOnAbortRan == false);
REQUIRE(Memory == 666);
AutoRTFM::Transact([&]
{
Memory = 1234;
REQUIRE(Memory == 1234);
AutoRTFM::OnAbort([&]
{
REQUIRE(Memory == 666);
bOnAbortRan = true;
});
AutoRTFM::AbortTransaction();
});
});
REQUIRE(Memory == 666);
REQUIRE(bOnAbortRan == true);
}
static void FnHasNoClosed()
{
(void)fopen("fopen() is not supported in a closed transaction", "rb");
}
TEST_CASE("Abort.Language")
{
AutoRTFMTestUtils::FScopedInternalAbortAction Scoped1(AutoRTFM::ForTheRuntime::EAutoRTFMInternalAbortActionState::Abort);
AutoRTFMTestUtils::FScopedEnsureOnInternalAbort Scoped2(false);
bool bTouched = false;
const AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
bTouched = true;
FnHasNoClosed();
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByLanguage == Result);
REQUIRE(false == bTouched);
}
TEST_CASE("Abort.LanguageThroughOpen")
{
AutoRTFMTestUtils::FScopedInternalAbortAction Scoped1(AutoRTFM::ForTheRuntime::EAutoRTFMInternalAbortActionState::Abort);
AutoRTFMTestUtils::FScopedEnsureOnInternalAbort Scoped2(false);
bool bTouched = false;
const AutoRTFM::ETransactionResult Result = AutoRTFM::Transact([&]
{
bTouched = true;
AutoRTFM::Open([&]
{
const AutoRTFM::EContextStatus Status = AutoRTFM::Close([&]
{
FnHasNoClosed();
});
REQUIRE(AutoRTFM::EContextStatus::AbortedByLanguage == Status);
});
});
REQUIRE(AutoRTFM::ETransactionResult::AbortedByLanguage == Result);
REQUIRE(false == bTouched);
}
// Test for SOL-5804
TEST_CASE("Abort.StackWriteToOuterOpen")
{
bool WritesUndone = true;
bool Success = false;
const AutoRTFM::ETransactionResult TransactionResult = AutoRTFM::Transact([&]
{
AutoRTFM::Open([&]
{
std::array<int, 64> Values{};
AutoRTFM::EContextStatus Status = AutoRTFM::Close([&]
{
// On stack outside transaction.
// Should be reverted as part of the abort.
WritesUndone = false;
// On stack inside transaction.
// Writes should not be reverted as part of the abort.
for (size_t I = 0; I < Values.size(); I++)
{
Values[I] = static_cast<int>(I * 10);
}
});
REQUIRE(AutoRTFM::EContextStatus::OnTrack == Status);
});
// If any of the variables on the stack within the Open() get written to
// on abort, then it should change the values of this array.
std::array<int, 64> StackGuard{};
// The OnAbort handler should be called *after* the memory is reverted.
AutoRTFM::OnAbort([&]
{
if (!WritesUndone)
{
FAIL("OnAbort was called without first reverting memory");
}
else if (StackGuard != std::array<int, 64>{})
{
FAIL("StackGuard was corrupted");
}
else
{
Success = true;
}
});
// Do the abort!
AutoRTFM::AbortTransaction();
});
REQUIRE(Success);
REQUIRE(AutoRTFM::ETransactionResult::AbortedByRequest == TransactionResult);
}
TEST_CASE("Abort.PushOnAbortOrdering")
{
SECTION("InParent")
{
unsigned Orderer = 0;
AutoRTFM::Testing::Abort([&]
{
AutoRTFM::OnAbort([&] { REQUIRE(6 == Orderer++); });
AutoRTFM::PushOnAbortHandler(&Orderer, [&] { REQUIRE(5 == Orderer++); });
AutoRTFM::OnAbort([&] { REQUIRE(4 == Orderer++); });
AutoRTFM::PushOnAbortHandler(&Orderer, [&] { REQUIRE(false); });
AutoRTFM::OnAbort([&] { REQUIRE(3 == Orderer++); });
AutoRTFM::PopOnAbortHandler(&Orderer);
AutoRTFM::OnAbort([&] { REQUIRE(2 == Orderer++); });
AutoRTFM::PushOnAbortHandler(&Orderer, [&] { REQUIRE(1 == Orderer++); });
AutoRTFM::OnAbort([&] { REQUIRE(0 == Orderer++); });
AutoRTFM::AbortTransaction();
});
}
SECTION("InChild")
{
// The inner transaction cannot fail in this example so lets skip the test if we are testing that.
if (AutoRTFM::ForTheRuntime::ShouldRetryNestedTransactionsToo())
{
return;
}
unsigned Orderer = 0;
AutoRTFM::Testing::Abort([&]
{
AutoRTFM::OnAbort([&] { REQUIRE(20 == Orderer++); });
AutoRTFM::PushOnAbortHandler(&Orderer, [&] { REQUIRE(19 == Orderer++); });
AutoRTFM::OnAbort([&] { REQUIRE(18 == Orderer++); });
AutoRTFM::PushOnAbortHandler(&Orderer, [&] { REQUIRE(false); });
AutoRTFM::OnAbort([&] { REQUIRE(17 == Orderer++); });
AutoRTFM::PopOnAbortHandler(&Orderer);
AutoRTFM::OnAbort([&] { REQUIRE(16 == Orderer++); });
AutoRTFM::PushOnAbortHandler(&Orderer, [&] { REQUIRE(15 == Orderer++); });
AutoRTFM::OnAbort([&] { REQUIRE(14 == Orderer++); });
// This commits which will add the on abort handlers to the parent scope.
AutoRTFM::Commit([&]
{
AutoRTFM::OnAbort([&] { REQUIRE(13 == Orderer++); });
AutoRTFM::PushOnAbortHandler(&Orderer, [&] { REQUIRE(12 == Orderer++); });
AutoRTFM::OnAbort([&] { REQUIRE(11 == Orderer++); });
AutoRTFM::PushOnAbortHandler(&Orderer, [&] { REQUIRE(false); });
AutoRTFM::OnAbort([&] { REQUIRE(10 == Orderer++); });
AutoRTFM::PopOnAbortHandler(&Orderer);
AutoRTFM::OnAbort([&] { REQUIRE(9 == Orderer++); });
AutoRTFM::PushOnAbortHandler(&Orderer, [&] { REQUIRE(8 == Orderer++); });
AutoRTFM::OnAbort([&] { REQUIRE(7 == Orderer++); });
});
AutoRTFM::OnAbort([&] { REQUIRE(6 == Orderer++); });
AutoRTFM::PushOnAbortHandler(&Orderer, [&] { REQUIRE(5 == Orderer++); });
AutoRTFM::OnAbort([&] { REQUIRE(4 == Orderer++); });
AutoRTFM::PushOnAbortHandler(&Orderer, [&] { REQUIRE(false); });
AutoRTFM::OnAbort([&] { REQUIRE(3 == Orderer++); });
AutoRTFM::PopOnAbortHandler(&Orderer);
AutoRTFM::OnAbort([&] { REQUIRE(2 == Orderer++); });
AutoRTFM::PushOnAbortHandler(&Orderer, [&] { REQUIRE(1 == Orderer++); });
AutoRTFM::OnAbort([&] { REQUIRE(0 == Orderer++); });
AutoRTFM::AbortTransaction();
});
}
}