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/* -*- 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/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;
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]() {
ASSERT_EQ(NS_OK, 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, mConnection->Close());
}
TEST_F(SynchronousConnectionInterruptionTest, interruptAfterCloseWillFail) {
ASSERT_EQ(NS_OK, mConnection->Close());
ASSERT_EQ(
NS_OK,
mThread->Dispatch(NS_NewRunnableFunction("InterruptRunnable", [this]() {
ASSERT_EQ(NS_ERROR_NOT_INITIALIZED, mConnection->Interrupt());
mDone = true;
})));
ASSERT_TRUE(mozilla::SpinEventLoopUntil("interruptAfterCloseWillFail"_ns,
[this]() { return mDone; }));
ASSERT_EQ(NS_ERROR_NOT_INITIALIZED, mConnection->Close());
}
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