Add a benchmark for testing our QtDBus type-validation

Our code is much faster than libdbus-1, even when built in debug mode.

3 files changed, 125 insertions, 1 deletions

diff --git a/tests/benchmarks/dbus/dbus.pro b/tests/benchmarks/dbus/dbus.pro
index b02d070..989a0db 100644
--- a/tests/benchmarks/dbus/dbus.pro
+++ b/tests/benchmarks/dbus/dbus.pro
@@ -1,3 +1,4 @@
 TEMPLATE = subdirs
 SUBDIRS = \
-        qdbusperformance
+        qdbusperformance \
+        qdbustype
diff --git a/tests/benchmarks/dbus/qdbustype/main.cpp b/tests/benchmarks/dbus/qdbustype/main.cpp
new file mode 100644
index 0000000..abaae7e
--- /dev/null
+++ b/tests/benchmarks/dbus/qdbustype/main.cpp
@@ -0,0 +1,115 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the FOO module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include <QtTest/QtTest>
+#include <QtCore/QCoreApplication>
+
+#include <QtDBus/private/qdbusutil_p.h>
+
+#include <dbus/dbus.h>
+
+class tst_QDBusType: public QObject
+{
+    Q_OBJECT
+private Q_SLOTS:
+    void benchmarkSignature_data();
+    void benchmarkSignature();
+};
+
+static inline void benchmarkAddRow(const char *name, const char *data)
+{
+    QTest::newRow(QByteArray("native-") + name) << data << true;
+    QTest::newRow(name) << data << false;
+}
+
+void tst_QDBusType::benchmarkSignature_data()
+{
+    QTest::addColumn<QString>("data");
+    QTest::addColumn<bool>("useNative");
+
+    for (int loopCount = 0; loopCount < 2; ++loopCount) {
+        bool useNative = loopCount;
+        QByteArray prefix = useNative ? "native-" : "";
+
+        benchmarkAddRow("single-invalid", "~");
+        benchmarkAddRow("single-invalid-array", "a~");
+        benchmarkAddRow("single-invalid-struct", "(.)");
+
+        benchmarkAddRow("single-char", "b");
+        benchmarkAddRow("single-array", "as");
+        benchmarkAddRow("single-simplestruct", "(y)");
+        benchmarkAddRow("single-simpledict", "a{sv}");
+        benchmarkAddRow("single-complexdict", "a{s(aya{io})}");
+
+        benchmarkAddRow("multiple-char", "ssg");
+        benchmarkAddRow("multiple-arrays", "asasay");
+
+        benchmarkAddRow("struct-missingclose", "(ayyyy");
+        benchmarkAddRow("longstruct", "(yyyyyyayasy)");
+        benchmarkAddRow("invalid-longstruct", "(yyyyyyayas.y)");
+        benchmarkAddRow("complexstruct", "(y(aasay)oga{sv})");
+        benchmarkAddRow("multiple-simple-structs", "(y)(y)(y)");
+    }
+}
+
+void tst_QDBusType::benchmarkSignature()
+{
+    QFETCH(QString, data);
+    QFETCH(bool, useNative);
+
+    bool result;
+    if (useNative) {
+        dbus_signature_validate(data.toLatin1(), 0);
+        QBENCHMARK {
+            result = dbus_signature_validate(data.toLatin1(), 0);
+        }
+    } else {
+        QDBusUtil::isValidSignature(data);
+        QBENCHMARK {
+            result = QDBusUtil::isValidSignature(data);
+        }
+    }
+    Q_UNUSED(result);
+}
+
+QTEST_MAIN(tst_QDBusType)
+
+#include "main.moc"
diff --git a/tests/benchmarks/dbus/qdbustype/qdbustype.pro b/tests/benchmarks/dbus/qdbustype/qdbustype.pro
new file mode 100644
index 0000000..d480a05
--- /dev/null
+++ b/tests/benchmarks/dbus/qdbustype/qdbustype.pro
@@ -0,0 +1,8 @@
+load(qttest_p4)
+TARGET = tst_bench_qdbustype
+QT -= gui
+QT += dbus
+QMAKE_CXXFLAGS += $$QT_CFLAGS_DBUS
+LIBS_PRIVATE += $$QT_LIBS_DBUS
+
+SOURCES += main.cpp