86 lines
2.8 KiB
C++
86 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
* vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "gtest/gtest.h"
|
|
|
|
#include "storage_test_harness.h"
|
|
|
|
#include "mozilla/Atomics.h"
|
|
#include "mozilla/SpinEventLoopUntil.h"
|
|
|
|
class SynchronousConnectionInterruptionTest : public ::testing::Test {
|
|
protected:
|
|
void SetUp() override {
|
|
mConnection =
|
|
getDatabase(nullptr, mozIStorageService::CONNECTION_INTERRUPTIBLE);
|
|
ASSERT_TRUE(mConnection);
|
|
|
|
ASSERT_EQ(NS_OK, NS_NewNamedThread("Test Thread", getter_AddRefs(mThread)));
|
|
}
|
|
|
|
void TearDown() override {
|
|
// We might close the database connection early in test cases.
|
|
mozilla::Unused << mConnection->Close();
|
|
|
|
ASSERT_EQ(NS_OK, mThread->Shutdown());
|
|
}
|
|
|
|
nsCOMPtr<mozIStorageConnection> mConnection;
|
|
|
|
nsCOMPtr<nsIThread> mThread;
|
|
|
|
mozilla::Atomic<nsresult> mRv = mozilla::Atomic<nsresult>(NS_ERROR_FAILURE);
|
|
|
|
mozilla::Atomic<bool> mDone{false};
|
|
};
|
|
|
|
TEST_F(SynchronousConnectionInterruptionTest,
|
|
shouldBeAbleToInterruptInfiniteOperation) {
|
|
// Delay is modest because we don't want to get interrupted by
|
|
// some unrelated hang or memory guard
|
|
const uint32_t delayMs = 500;
|
|
|
|
ASSERT_EQ(NS_OK, mThread->DelayedDispatch(
|
|
NS_NewRunnableFunction("InterruptRunnable",
|
|
[this]() {
|
|
mRv = mConnection->Interrupt();
|
|
mDone = true;
|
|
}),
|
|
delayMs));
|
|
|
|
const nsCString infiniteQuery =
|
|
"WITH RECURSIVE test(n) "
|
|
"AS (VALUES(1) UNION ALL SELECT n + 1 FROM test) "
|
|
"SELECT t.n FROM test, test AS t;"_ns;
|
|
nsCOMPtr<mozIStorageStatement> stmt;
|
|
ASSERT_EQ(NS_OK,
|
|
mConnection->CreateStatement(infiniteQuery, getter_AddRefs(stmt)));
|
|
|
|
ASSERT_EQ(NS_ERROR_ABORT, stmt->Execute());
|
|
ASSERT_EQ(NS_OK, stmt->Finalize());
|
|
|
|
ASSERT_TRUE(mDone);
|
|
ASSERT_EQ(NS_OK, mRv);
|
|
|
|
ASSERT_EQ(NS_OK, mConnection->Close());
|
|
}
|
|
|
|
TEST_F(SynchronousConnectionInterruptionTest, interruptAfterCloseWillFail) {
|
|
ASSERT_EQ(NS_OK, mConnection->Close());
|
|
|
|
ASSERT_EQ(NS_OK, mThread->Dispatch(
|
|
NS_NewRunnableFunction("InterruptRunnable", [this]() {
|
|
mRv = mConnection->Interrupt();
|
|
mDone = true;
|
|
})));
|
|
|
|
ASSERT_TRUE(mozilla::SpinEventLoopUntil("interruptAfterCloseWillFail"_ns,
|
|
[this]() -> bool { return mDone; }));
|
|
|
|
ASSERT_EQ(NS_ERROR_NOT_INITIALIZED, mRv);
|
|
|
|
ASSERT_EQ(NS_ERROR_NOT_INITIALIZED, mConnection->Close());
|
|
}
|