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-rw-r--r--tests/auto/corelib/ipc/qsystemsemaphore/tst_qsystemsemaphore.cpp368
1 files changed, 368 insertions, 0 deletions
diff --git a/tests/auto/corelib/ipc/qsystemsemaphore/tst_qsystemsemaphore.cpp b/tests/auto/corelib/ipc/qsystemsemaphore/tst_qsystemsemaphore.cpp
new file mode 100644
index 0000000000..2c053b91f6
--- /dev/null
+++ b/tests/auto/corelib/ipc/qsystemsemaphore/tst_qsystemsemaphore.cpp
@@ -0,0 +1,368 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// Copyright (C) 2022 Intel Corporation.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#include <QTest>
+#if QT_CONFIG(process)
+#include <QProcess>
+#endif
+
+#include <QtCore/QList>
+#include <QtCore/QSystemSemaphore>
+#include <QtCore/QTemporaryDir>
+
+#include "../ipctestcommon.h"
+
+#define HELPERWAITTIME 10000
+
+using namespace Qt::StringLiterals;
+
+class tst_QSystemSemaphore : public QObject
+{
+ Q_OBJECT
+
+public:
+ tst_QSystemSemaphore();
+
+ QString mangleKey(QStringView key)
+ {
+ if (key.isEmpty())
+ return key.toString();
+ return u"tstsyssem_%1-%2_%3"_s.arg(QCoreApplication::applicationPid())
+ .arg(seq).arg(key);
+ }
+
+ QNativeIpcKey platformSafeKey(const QString &key)
+ {
+ QFETCH_GLOBAL(QNativeIpcKey::Type, keyType);
+ return QSystemSemaphore::platformSafeKey(mangleKey(key), keyType);
+ }
+
+public Q_SLOTS:
+ void initTestCase();
+ void init();
+ void cleanup();
+
+private slots:
+ void nativeKey_data();
+ void nativeKey();
+ void legacyKey_data() { nativeKey_data(); }
+ void legacyKey();
+
+ void changeKeyType();
+ void basicacquire();
+ void complexacquire();
+ void release();
+ void twoSemaphores();
+
+ void basicProcesses();
+
+ void processes_data();
+ void processes();
+
+ void undo();
+ void initialValue();
+
+private:
+ int seq = 0;
+ QSystemSemaphore *existingLock;
+
+ const QString m_helperBinary;
+};
+
+tst_QSystemSemaphore::tst_QSystemSemaphore()
+ : m_helperBinary("./acquirerelease_helper")
+{
+}
+
+void tst_QSystemSemaphore::initTestCase()
+{
+ IpcTestCommon::addGlobalTestRows<QSystemSemaphore>();
+}
+
+void tst_QSystemSemaphore::init()
+{
+ QNativeIpcKey key = platformSafeKey("existing");
+ existingLock = new QSystemSemaphore(key, 1, QSystemSemaphore::Create);
+}
+
+void tst_QSystemSemaphore::cleanup()
+{
+ delete existingLock;
+ ++seq;
+}
+
+void tst_QSystemSemaphore::nativeKey_data()
+{
+ QTest::addColumn<QString>("constructorKey");
+ QTest::addColumn<QString>("setKey");
+
+ QTest::newRow("null, null") << QString() << QString();
+ QTest::newRow("null, one") << QString() << QString("one");
+ QTest::newRow("one, two") << QString("one") << QString("two");
+}
+
+/*!
+ Basic key testing
+ */
+void tst_QSystemSemaphore::nativeKey()
+{
+ QFETCH(QString, constructorKey);
+ QFETCH(QString, setKey);
+ QNativeIpcKey constructorIpcKey = platformSafeKey(constructorKey);
+ QNativeIpcKey setIpcKey = platformSafeKey(setKey);
+
+ QSystemSemaphore sem(constructorIpcKey);
+ QCOMPARE(sem.nativeIpcKey(), constructorIpcKey);
+ QCOMPARE(sem.error(), QSystemSemaphore::NoError);
+ QCOMPARE(sem.errorString(), QString());
+
+ sem.setNativeKey(setIpcKey);
+ QCOMPARE(sem.nativeIpcKey(), setIpcKey);
+ QCOMPARE(sem.error(), QSystemSemaphore::NoError);
+ QCOMPARE(sem.errorString(), QString());
+
+ // change the key type
+ QNativeIpcKey::Type nextKeyType = IpcTestCommon::nextKeyType(setIpcKey.type());
+ if (nextKeyType != setIpcKey.type()) {
+ QNativeIpcKey setIpcKey2 = QSystemSemaphore::platformSafeKey(setKey, nextKeyType);
+ sem.setNativeKey(setIpcKey2);
+ QCOMPARE(sem.nativeIpcKey(), setIpcKey2);
+ }
+}
+
+QT_WARNING_PUSH
+QT_WARNING_DISABLE_DEPRECATED
+void tst_QSystemSemaphore::legacyKey()
+{
+ QFETCH(QString, constructorKey);
+ QFETCH(QString, setKey);
+
+ QSystemSemaphore sem(constructorKey);
+ QCOMPARE(sem.key(), constructorKey);
+ QCOMPARE(sem.error(), QSystemSemaphore::NoError);
+ QCOMPARE(sem.errorString(), QString());
+
+ sem.setKey(setKey);
+ QCOMPARE(sem.key(), setKey);
+ QCOMPARE(sem.error(), QSystemSemaphore::NoError);
+ QCOMPARE(sem.errorString(), QString());
+}
+QT_WARNING_POP
+
+void tst_QSystemSemaphore::changeKeyType()
+{
+ QString keyName = "changeKeyType";
+ QNativeIpcKey key = platformSafeKey(keyName);
+ QNativeIpcKey otherKey =
+ QSystemSemaphore::platformSafeKey(mangleKey(keyName), IpcTestCommon::nextKeyType(key.type()));
+ if (key == otherKey)
+ QSKIP("System only supports one key type");
+
+ QSystemSemaphore sem1(key, 1, QSystemSemaphore::Create);
+ QSystemSemaphore sem2(otherKey);
+ sem1.setNativeKey(otherKey);
+ sem2.setNativeKey(key);
+}
+
+void tst_QSystemSemaphore::basicacquire()
+{
+ QNativeIpcKey key = platformSafeKey("basicacquire");
+ QSystemSemaphore sem(key, 1, QSystemSemaphore::Create);
+ QVERIFY(sem.acquire());
+ QCOMPARE(sem.error(), QSystemSemaphore::NoError);
+ QVERIFY(sem.release());
+ QCOMPARE(sem.error(), QSystemSemaphore::NoError);
+ QCOMPARE(sem.errorString(), QString());
+}
+
+void tst_QSystemSemaphore::complexacquire()
+{
+ QNativeIpcKey key = platformSafeKey("complexacquire");
+ QSystemSemaphore sem(key, 2, QSystemSemaphore::Create);
+ QVERIFY(sem.acquire());
+ QCOMPARE(sem.error(), QSystemSemaphore::NoError);
+ QVERIFY(sem.release());
+ QCOMPARE(sem.error(), QSystemSemaphore::NoError);
+ QVERIFY(sem.acquire());
+ QCOMPARE(sem.error(), QSystemSemaphore::NoError);
+ QVERIFY(sem.release());
+ QCOMPARE(sem.error(), QSystemSemaphore::NoError);
+ QVERIFY(sem.acquire());
+ QCOMPARE(sem.error(), QSystemSemaphore::NoError);
+ QVERIFY(sem.acquire());
+ QCOMPARE(sem.error(), QSystemSemaphore::NoError);
+ QVERIFY(sem.release());
+ QCOMPARE(sem.error(), QSystemSemaphore::NoError);
+ QVERIFY(sem.release());
+ QCOMPARE(sem.error(), QSystemSemaphore::NoError);
+ QCOMPARE(sem.errorString(), QString());
+}
+
+void tst_QSystemSemaphore::release()
+{
+ QNativeIpcKey key = platformSafeKey("release");
+ QSystemSemaphore sem(key, 0, QSystemSemaphore::Create);
+ QVERIFY(sem.release());
+ QCOMPARE(sem.error(), QSystemSemaphore::NoError);
+ QVERIFY(sem.release());
+ QCOMPARE(sem.error(), QSystemSemaphore::NoError);
+ QVERIFY(sem.acquire());
+ QCOMPARE(sem.error(), QSystemSemaphore::NoError);
+ QVERIFY(sem.acquire());
+ QCOMPARE(sem.error(), QSystemSemaphore::NoError);
+ QVERIFY(sem.release());
+ QCOMPARE(sem.error(), QSystemSemaphore::NoError);
+ QVERIFY(sem.release());
+ QCOMPARE(sem.error(), QSystemSemaphore::NoError);
+ QCOMPARE(sem.errorString(), QString());
+}
+
+void tst_QSystemSemaphore::twoSemaphores()
+{
+ QNativeIpcKey key = platformSafeKey("twoSemaphores");
+ QSystemSemaphore sem1(key, 1, QSystemSemaphore::Create);
+ QSystemSemaphore sem2(key);
+ QVERIFY(sem1.acquire());
+ QVERIFY(sem2.release());
+ QVERIFY(sem1.acquire());
+ QVERIFY(sem2.release());
+}
+
+void tst_QSystemSemaphore::basicProcesses()
+{
+#if !QT_CONFIG(process)
+ QSKIP("No qprocess support", SkipAll);
+#else
+ QNativeIpcKey key = platformSafeKey("store");
+ QSystemSemaphore sem(key, 0, QSystemSemaphore::Create);
+
+ QProcess acquire;
+ acquire.setProcessChannelMode(QProcess::ForwardedChannels);
+
+ QProcess release;
+ release.setProcessChannelMode(QProcess::ForwardedChannels);
+
+ acquire.start(m_helperBinary, { "acquire", key.toString() });
+ QVERIFY2(acquire.waitForStarted(), "Could not start helper binary");
+ acquire.waitForFinished(HELPERWAITTIME);
+ QCOMPARE(acquire.state(), QProcess::Running);
+ acquire.kill();
+ release.start(m_helperBinary, { "release", key.toString() });
+ QVERIFY2(release.waitForStarted(), "Could not start helper binary");
+ acquire.waitForFinished(HELPERWAITTIME);
+ release.waitForFinished(HELPERWAITTIME);
+ QCOMPARE(acquire.state(), QProcess::NotRunning);
+#endif
+}
+
+void tst_QSystemSemaphore::processes_data()
+{
+ QTest::addColumn<int>("processes");
+ for (int i = 0; i < 5; ++i) {
+ QTest::addRow("1 process (%d)", i) << 1;
+ QTest::addRow("3 process (%d)", i) << 3;
+ QTest::addRow("10 process (%d)", i) << 10;
+ }
+}
+
+void tst_QSystemSemaphore::processes()
+{
+#if !QT_CONFIG(process)
+ QSKIP("No qprocess support", SkipAll);
+#else
+ QNativeIpcKey key = platformSafeKey("store");
+ QSystemSemaphore sem(key, 1, QSystemSemaphore::Create);
+
+ QFETCH(int, processes);
+ QList<QString> scripts(processes, "acquirerelease");
+
+ QList<QProcess*> consumers;
+ for (int i = 0; i < scripts.size(); ++i) {
+ QProcess *p = new QProcess;
+ p->setProcessChannelMode(QProcess::ForwardedChannels);
+ consumers.append(p);
+ p->start(m_helperBinary, { scripts.at(i), key.toString() });
+ }
+
+ while (!consumers.isEmpty()) {
+ consumers.first()->waitForFinished();
+ QCOMPARE(consumers.first()->exitStatus(), QProcess::NormalExit);
+ QCOMPARE(consumers.first()->exitCode(), 0);
+ delete consumers.takeFirst();
+ }
+#endif
+}
+
+void tst_QSystemSemaphore::undo()
+{
+#if !QT_CONFIG(process)
+ QSKIP("No qprocess support", SkipAll);
+#else
+ QNativeIpcKey key = platformSafeKey("store");
+ switch (key.type()) {
+ case QNativeIpcKey::Type::PosixRealtime:
+ case QNativeIpcKey::Type::Windows:
+ QSKIP("This test only checks a System V behavior.");
+
+ case QNativeIpcKey::Type::SystemV:
+ break;
+ }
+
+ QSystemSemaphore sem(key, 1, QSystemSemaphore::Create);
+
+ QStringList acquireArguments = { "acquire", key.toString() };
+ QProcess acquire;
+ acquire.setProcessChannelMode(QProcess::ForwardedChannels);
+ acquire.start(m_helperBinary, acquireArguments);
+ QVERIFY2(acquire.waitForStarted(), "Could not start helper binary");
+ acquire.waitForFinished(HELPERWAITTIME);
+ QVERIFY(acquire.state()== QProcess::NotRunning);
+
+ // At process exit the kernel should auto undo
+
+ acquire.start(m_helperBinary, acquireArguments);
+ QVERIFY2(acquire.waitForStarted(), "Could not start helper binary");
+ acquire.waitForFinished(HELPERWAITTIME);
+ QVERIFY(acquire.state()== QProcess::NotRunning);
+#endif
+}
+
+void tst_QSystemSemaphore::initialValue()
+{
+#if !QT_CONFIG(process)
+ QSKIP("No qprocess support", SkipAll);
+#else
+ QNativeIpcKey key = platformSafeKey("store");
+ QSystemSemaphore sem(key, 1, QSystemSemaphore::Create);
+
+ QStringList acquireArguments = { "acquire", key.toString() };
+ QStringList releaseArguments = { "release", key.toString() };
+ QProcess acquire;
+ acquire.setProcessChannelMode(QProcess::ForwardedChannels);
+
+ QProcess release;
+ release.setProcessChannelMode(QProcess::ForwardedChannels);
+
+ acquire.start(m_helperBinary, acquireArguments);
+ QVERIFY2(acquire.waitForStarted(), "Could not start helper binary");
+ acquire.waitForFinished(HELPERWAITTIME);
+ QVERIFY(acquire.state()== QProcess::NotRunning);
+
+ acquire.start(m_helperBinary, acquireArguments << QLatin1String("2"));
+ QVERIFY2(acquire.waitForStarted(), "Could not start helper binary");
+ acquire.waitForFinished(HELPERWAITTIME);
+ QVERIFY(acquire.state()== QProcess::Running);
+ acquire.kill();
+
+ release.start(m_helperBinary, releaseArguments);
+ QVERIFY2(release.waitForStarted(), "Could not start helper binary");
+ acquire.waitForFinished(HELPERWAITTIME);
+ release.waitForFinished(HELPERWAITTIME);
+ QVERIFY(acquire.state()== QProcess::NotRunning);
+#endif
+}
+
+QTEST_MAIN(tst_QSystemSemaphore)
+#include "tst_qsystemsemaphore.moc"
+