Add benchmarks for QMetaType::construct()

Change-Id: Ia5883c5712e5d634b0e62189b639209eb3d5cd93
Reviewed-by: Jędrzej Nowacki <jedrzej.nowacki@nokia.com>

1 files changed, 49 insertions, 0 deletions

diff --git a/tests/benchmarks/gui/kernel/qguimetatype/tst_qguimetatype.cpp b/tests/benchmarks/gui/kernel/qguimetatype/tst_qguimetatype.cpp
index b92c26ad7d..1d0a2d9330 100644
--- a/tests/benchmarks/gui/kernel/qguimetatype/tst_qguimetatype.cpp
+++ b/tests/benchmarks/gui/kernel/qguimetatype/tst_qguimetatype.cpp
@@ -55,6 +55,11 @@ private slots:
     void constructGuiType();
     void constructGuiTypeCopy_data();
     void constructGuiTypeCopy();
+
+    void constructInPlace_data();
+    void constructInPlace();
+    void constructInPlaceCopy_data();
+    void constructInPlaceCopy();
 };
 
 tst_QGuiMetaType::tst_QGuiMetaType()
@@ -109,5 +114,49 @@ void tst_QGuiMetaType::constructGuiTypeCopy()
     }
 }
 
+void tst_QGuiMetaType::constructInPlace_data()
+{
+    constructGuiType_data();
+}
+
+void tst_QGuiMetaType::constructInPlace()
+{
+    QFETCH(int, typeId);
+    int size = QMetaType::sizeOf(typeId);
+    void *storage = qMallocAligned(size, 2 * sizeof(qlonglong));
+    QCOMPARE(QMetaType::construct(typeId, storage, /*copy=*/0), storage);
+    QMetaType::destruct(typeId, storage);
+    QBENCHMARK {
+        for (int i = 0; i < 100000; ++i) {
+            QMetaType::construct(typeId, storage, /*copy=*/0);
+            QMetaType::destruct(typeId, storage);
+        }
+    }
+    qFreeAligned(storage);
+}
+
+void tst_QGuiMetaType::constructInPlaceCopy_data()
+{
+    constructGuiType_data();
+}
+
+void tst_QGuiMetaType::constructInPlaceCopy()
+{
+    QFETCH(int, typeId);
+    int size = QMetaType::sizeOf(typeId);
+    void *storage = qMallocAligned(size, 2 * sizeof(qlonglong));
+    void *other = QMetaType::create(typeId);
+    QCOMPARE(QMetaType::construct(typeId, storage, other), storage);
+    QMetaType::destruct(typeId, storage);
+    QBENCHMARK {
+        for (int i = 0; i < 100000; ++i) {
+            QMetaType::construct(typeId, storage, other);
+            QMetaType::destruct(typeId, storage);
+        }
+    }
+    QMetaType::destroy(typeId, other);
+    qFreeAligned(storage);
+}
+
 QTEST_MAIN(tst_QGuiMetaType)
 #include "tst_qguimetatype.moc"