Merge branch 'master' into refactor

Conflicts:
	src/declarative/items/qsgcanvas.cpp
	src/declarative/items/qsgitem.cpp
	src/declarative/items/qsgtextnode.cpp
	tests/auto/declarative/examples/examples.pro
	tools/qmlviewer/qmlviewer.pro

Change-Id: Icbb0ef5dc79b658c62fd2b2c25a66c9bb3cbeb10

7 files changed, 152 insertions, 0 deletions

diff --git a/tests/auto/declarative/qdeclarativeecmascript/data/aliasreset/AliasPropertyComponent.qml b/tests/auto/declarative/qdeclarativeecmascript/data/aliasreset/AliasPropertyComponent.qml
new file mode 100644
index 0000000000..9135e79469
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativeecmascript/data/aliasreset/AliasPropertyComponent.qml
@@ -0,0 +1,17 @@
+import QtQuick 2.0
+
+Item {
+    id: apc
+    property alias sourceComponent: loader.sourceComponent
+
+    Component {
+        id: redSquare
+        Rectangle { color: "red"; width: 10; height: 10 }
+    }
+
+    Loader {
+        id: loader
+        objectName: "loader"
+        sourceComponent: redSquare
+    }
+}
diff --git a/tests/auto/declarative/qdeclarativeecmascript/data/aliasreset/aliasPropertyReset.1.qml b/tests/auto/declarative/qdeclarativeecmascript/data/aliasreset/aliasPropertyReset.1.qml
new file mode 100644
index 0000000000..a27c16dd2e
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativeecmascript/data/aliasreset/aliasPropertyReset.1.qml
@@ -0,0 +1,23 @@
+import QtQuick 1.0
+import Qt.test 1.0
+
+Item {
+    id: first
+    property bool aliasIsUndefined: false
+    property alias sourceComponentAlias: loader.sourceComponent
+
+    Component {
+        id: redSquare
+        Rectangle { color: "red"; width: 10; height: 10 }
+    }
+
+    Loader {
+        id: loader
+        sourceComponent: redSquare
+    }
+
+    function resetAliased() {
+        loader.sourceComponent = undefined;
+        aliasIsUndefined = (sourceComponentAlias == undefined);
+    }
+}
diff --git a/tests/auto/declarative/qdeclarativeecmascript/data/aliasreset/aliasPropertyReset.2.qml b/tests/auto/declarative/qdeclarativeecmascript/data/aliasreset/aliasPropertyReset.2.qml
new file mode 100644
index 0000000000..fa2bb5eb6d
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativeecmascript/data/aliasreset/aliasPropertyReset.2.qml
@@ -0,0 +1,23 @@
+import QtQuick 1.0
+import Qt.test 1.0
+
+Item {
+    id: first
+    property bool loaderSourceComponentIsUndefined: false
+    property alias sourceComponentAlias: loader.sourceComponent
+
+    Component {
+        id: redSquare
+        Rectangle { color: "red"; width: 10; height: 10 }
+    }
+
+    Loader {
+        id: loader
+        sourceComponent: redSquare
+    }
+
+    function resetAlias() {
+        sourceComponentAlias = undefined;
+        loaderSourceComponentIsUndefined = (loader.sourceComponent == undefined);
+    }
+}
diff --git a/tests/auto/declarative/qdeclarativeecmascript/data/aliasreset/aliasPropertyReset.3.qml b/tests/auto/declarative/qdeclarativeecmascript/data/aliasreset/aliasPropertyReset.3.qml
new file mode 100644
index 0000000000..4fa6861b08
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativeecmascript/data/aliasreset/aliasPropertyReset.3.qml
@@ -0,0 +1,31 @@
+import QtQuick 1.0
+import Qt.test 1.0
+
+Item {
+    id: first
+    property bool loaderTwoSourceComponentIsUndefined: false
+    property bool loaderOneSourceComponentIsUndefined: false
+    property alias sourceComponentAlias: loaderOne.sourceComponent
+
+    Component {
+        id: redSquare
+        Rectangle { color: "red"; width: 10; height: 10 }
+    }
+
+    Loader {
+        id: loaderOne
+        sourceComponent: loaderTwo.sourceComponent
+    }
+
+    Loader {
+        id: loaderTwo
+        sourceComponent: redSquare
+        x: 15
+    }
+
+    function resetAlias() {
+        sourceComponentAlias = undefined; // loaderOne.sourceComponent should be set to undefined instead of l2.sc
+        loaderOneSourceComponentIsUndefined = (loaderOne.sourceComponent == undefined); // should be true
+        loaderTwoSourceComponentIsUndefined = (loaderTwo.sourceComponent == undefined); // should be false
+    }
+}
diff --git a/tests/auto/declarative/qdeclarativeecmascript/data/aliasreset/aliasPropertyReset.4.qml b/tests/auto/declarative/qdeclarativeecmascript/data/aliasreset/aliasPropertyReset.4.qml
new file mode 100644
index 0000000000..56fcc2ec7c
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativeecmascript/data/aliasreset/aliasPropertyReset.4.qml
@@ -0,0 +1,26 @@
+import QtQuick 1.0
+import Qt.test 1.0
+
+Item {
+    id: first
+    property alias sourceComponentAlias: loader.sourceComponent
+
+    Component {
+        id: redSquare
+        Rectangle { color: "red"; width: 10; height: 10 }
+    }
+
+    Loader {
+        id: loader
+        objectName: "loader"
+        sourceComponent: redSquare
+    }
+
+    function resetAlias() {
+        sourceComponentAlias = undefined; // ensure we don't crash after deletion of loader.
+    }
+
+    function setAlias() {
+        sourceComponentAlias = redSquare;
+    }
+}
diff --git a/tests/auto/declarative/qdeclarativeecmascript/data/aliasreset/aliasPropertyReset.5.qml b/tests/auto/declarative/qdeclarativeecmascript/data/aliasreset/aliasPropertyReset.5.qml
new file mode 100644
index 0000000000..a046bbf504
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativeecmascript/data/aliasreset/aliasPropertyReset.5.qml
@@ -0,0 +1,14 @@
+import QtQuick 1.0
+import Qt.test 1.0
+
+Item {
+    id: root
+
+    AliasPropertyComponent {
+        sourceComponent: returnsUndefined()
+    }
+
+    function returnsUndefined() {
+        return undefined;
+    }
+}
diff --git a/tests/auto/declarative/qdeclarativeecmascript/data/aliasreset/aliasPropertyReset.error.1.qml b/tests/auto/declarative/qdeclarativeecmascript/data/aliasreset/aliasPropertyReset.error.1.qml
new file mode 100644
index 0000000000..22311d6bb3
--- /dev/null
+++ b/tests/auto/declarative/qdeclarativeecmascript/data/aliasreset/aliasPropertyReset.error.1.qml
@@ -0,0 +1,18 @@
+import QtQuick 1.0
+import Qt.test 1.0
+
+MyQmlObject {
+    id: first
+    property bool aliasedIntIsUndefined: false
+    property alias intAlias: objprop.intp
+
+    objectProperty: QtObject {
+        id: objprop
+        property int intp: 12
+    }
+
+    function resetAlias() {
+        intAlias = undefined; // should error
+        aliasedIntIsUndefined = (objprop.intp == undefined);
+    }
+}