StackView: provide better warnings and errors

Check for valid URLs and test object types. Throw warnings when
appropriate instead of crashing later.

Task-number: QTBUG-59634
Change-Id: Ia269dc8afd31b618f1ff7aec94d684029cb78244
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>

1 files changed, 14 insertions, 0 deletions

diff --git a/tests/auto/controls/data/tst_stackview.qml b/tests/auto/controls/data/tst_stackview.qml
index dd56d4f0..c56a04de 100644
--- a/tests/auto/controls/data/tst_stackview.qml
+++ b/tests/auto/controls/data/tst_stackview.qml
@@ -339,6 +339,10 @@ TestCase {
         ignoreWarning(Qt.resolvedUrl("tst_stackview.qml") + ":69:9: QML StackView: push: nothing to push")
         compare(control.push(StackView.Immediate), null)
 
+        // unsupported type
+        ignoreWarning(Qt.resolvedUrl("tst_stackview.qml") + ":69:9: QML StackView: push: QtObject is not supported. Must be Item or Component.")
+        control.push(Qt.createQmlObject('import QtQml 2.0; QtObject { }', control))
+
         // push(item)
         var item1 = component.createObject(control, {objectName:"1"})
         compare(control.push(item1, StackView.Immediate), item1)
@@ -435,6 +439,10 @@ TestCase {
         ignoreWarning(Qt.resolvedUrl("tst_stackview.qml") + ":69:9: QML StackView: replace: nothing to push")
         compare(control.replace(StackView.Immediate), null)
 
+        // unsupported type
+        ignoreWarning(Qt.resolvedUrl("tst_stackview.qml") + ":69:9: QML StackView: replace: QtObject is not supported. Must be Item or Component.")
+        compare(control.replace(Qt.createQmlObject('import QtQml 2.0; QtObject { }', control)), null)
+
         // replace(item)
         var item1 = component.createObject(control, {objectName:"1"})
         compare(control.replace(item1, StackView.Immediate), item1)
@@ -917,6 +925,12 @@ TestCase {
         ignoreWarning(Qt.resolvedUrl("tst_stackview.qml") + ":69:9: QML StackView: replace: " + error)
         control.replace(Qt.resolvedUrl("non-existent.qml"))
 
+        ignoreWarning(Qt.resolvedUrl("tst_stackview.qml") + ":69:9: QML StackView: push: invalid url: x://[v]")
+        control.push("x://[v]")
+
+        ignoreWarning(Qt.resolvedUrl("tst_stackview.qml") + ":69:9: QML StackView: replace: invalid url: x://[v]")
+        control.replace("x://[v]")
+
         control.pop()
     }