1 files changed, 51 insertions, 0 deletions
diff --git a/tests/auto/qml/qqmlengine/data/testIncubatedComponent.qml b/tests/auto/qml/qqmlengine/data/testIncubatedComponent.qml
new file mode 100644
index 0000000000..50af9c4f16
--- /dev/null
+++ b/tests/auto/qml/qqmlengine/data/testIncubatedComponent.qml
@@ -0,0 +1,51 @@
+import QtQuick 2.0
+
+Item {
+    property bool success: false
+
+    function reportError(s) { console.warn(s) }
+
+    Component.onCompleted: {
+        componentCache.trim()
+        if (!componentCache.isTypeLoaded('testIncubatedComponent.qml')) return reportError('Test component not loaded')
+        if (componentCache.isTypeLoaded('VMEExtendVMEComponent.qml')) return reportError('Extend component already loaded')
+        if (componentCache.isTypeLoaded('VMEComponent.qml')) return reportError('VME component already loaded')
+
+        var c = Qt.createComponent('VMEExtendVMEComponent.qml')
+        var i = c.incubateObject(null, {}, Qt.Asynchronous)
+
+        componentCache.trim()
+        if (!componentCache.isTypeLoaded('testIncubatedComponent.qml')) return reportError('Test component unloaded 1')
+        if (!componentCache.isTypeLoaded('VMEExtendVMEComponent.qml')) return reportError('Extend component not loaded')
+        if (!componentCache.isTypeLoaded('VMEComponent.qml')) return reportError('VME component not loaded')
+
+        c.destroy()
+        componentCache.trim()
+        if (!componentCache.isTypeLoaded('testIncubatedComponent.qml')) return reportError('Test component unloaded 2')
+        if (!componentCache.isTypeLoaded('VMEExtendVMEComponent.qml')) return reportError('Extend component already unloaded')
+        if (!componentCache.isTypeLoaded('VMEComponent.qml')) return reportError('VME component already unloaded')
+
+        i.onStatusChanged = function(status) {
+            if (status != Component.Ready) return;
+            if (i.object == null) return reportError('Extend component not created')
+            if (i.object.foo != 'bar') return reportError('Invalid object')
+            if (i.object.bar != 'baz') return reportError('Invalid object 2')
+
+            componentCache.trim()
+            if (!componentCache.isTypeLoaded('testIncubatedComponent.qml')) return reportError('Test component unloaded 3')
+            if (!componentCache.isTypeLoaded('VMEExtendVMEComponent.qml')) return reportError('Extend component already unloaded 2')
+            if (!componentCache.isTypeLoaded('VMEComponent.qml')) return reportError('VME component already unloaded 2')
+
+            i.object.destroy()
+            componentCache.trim()
+            if (!componentCache.isTypeLoaded('testIncubatedComponent.qml')) return reportError('Test component unloaded 4')
+            if (componentCache.isTypeLoaded('VMEExtendVMEComponent.qml')) return reportError('Extend component not unloaded')
+            if (componentCache.isTypeLoaded('VMEComponent.qml')) return reportError('VME component not unloaded')
+
+            success = true
+        }
+
+        componentCache.beginIncubation()
+        componentCache.waitForIncubation();
+    }
+}