examples: add qml_uncreatable test

Author: ahayzen-kdab

examples/qml_features/CMakeLists.txt

@@ -83,6 +83,7 @@ copy_qml_test(signals)
 copy_qml_test(singleton)
 copy_qml_test(threading)
 copy_qml_test(types)
+copy_qml_test(uncreatable)
 
 add_executable(${APP_NAME}_test
     cpp/qabstractlistmodelcxx.h

examples/qml_features/rust/build.rs

@@ -20,6 +20,7 @@ fn main() {
         .file("src/properties.rs")
         .file("src/threading.rs")
         .file("src/types.rs")
+        .file("src/uncreatable.rs")
         // custom_object.cpp/h need to be handled here rather than CMakeLists.txt,
         // otherwise linking cargo tests fails because the symbols from those files are not found.
         .cc_builder(|cc| {

examples/qml_features/rust/src/lib.rs

@@ -15,3 +15,4 @@ mod signals;
 mod singleton;
 mod threading;
 mod types;
+mod uncreatable;

examples/qml_features/rust/src/uncreatable.rs

@@ -0,0 +1,15 @@
+// SPDX-FileCopyrightText: 2023 Klarälvdalens Datakonsult AB, a KDAB Group company <[email protected]>
+// SPDX-FileContributor: Andrew Hayzen <[email protected]>
+//
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
+// ANCHOR: book_macro_code
+#[cxx_qt::bridge(cxx_file_stem = "rust_uncreatable")]
+pub mod ffi {
+    #[cxx_qt::qobject(qml_uri = "com.kdab.cxx_qt.demo", qml_version = "1.0", qml_uncreatable)]
+    #[derive(Default)]
+    pub struct RustUncreatable {
+        #[qproperty]
+        value: i32,
+    }
+}

examples/qml_features/tests/tst_uncreatable.qml

@@ -0,0 +1,32 @@
+// SPDX-FileCopyrightText: 2023 Klarälvdalens Datakonsult AB, a KDAB Group company <[email protected]>
+// SPDX-FileContributor: Andrew Hayzen <[email protected]>
+//
+// SPDX-License-Identifier: MIT OR Apache-2.0
+import QtQuick 2.12
+import QtTest 1.12
+
+TestCase {
+    id: root
+    name: "UncreatableTests"
+
+    function test_uncreatable() {
+        try {
+            const obj = Qt.createQmlObject(`
+                import com.kdab.cxx_qt.demo 1.0
+
+                RustUncreatable {
+
+                }
+                `,
+                root,
+                "uncreatableObject"
+            );
+            fail("Uncreatable type should not be creatable");
+        } catch (error) {
+            verify(error.qmlErrors !== undefined);
+            compare(error.qmlErrors.length, 1);
+            // Check for Qt 5 or Qt 6 error message
+            verify(error.qmlErrors[0].message === "Element is not creatable." || error.qmlErrors[0].message === "Type cannot be created in QML.");
+        }
+    }
+}