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