Allow checking for and catching errors from QJSEngine

As you can manually throw an error, you should be able to catch it
again, too.

Change-Id: I82475df1969a1fd76f4cf5fc0a8d921dfafaef89
Reviewed-by: Maximilian Goldstein <max.goldstein@qt.io>
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

1 files changed, 14 insertions, 0 deletions

diff --git a/tests/auto/qml/qjsengine/tst_qjsengine.cpp b/tests/auto/qml/qjsengine/tst_qjsengine.cpp
index 4f2e6f1866..a5316dce21 100644
--- a/tests/auto/qml/qjsengine/tst_qjsengine.cpp
+++ b/tests/auto/qml/qjsengine/tst_qjsengine.cpp
@@ -243,6 +243,7 @@ private slots:
     void throwError();
     void throwErrorObject();
     void returnError();
+    void catchError();
     void mathMinMax();
 
     void importModule();
@@ -4810,6 +4811,19 @@ void tst_QJSEngine::returnError()
     QVERIFY(!result.property("stack").isUndefined());
 }
 
+void tst_QJSEngine::catchError()
+{
+    QJSEngine engine;
+    QVERIFY(!engine.hasError());
+    engine.throwError(QJSValue::GenericError, "some error");
+    QVERIFY(engine.hasError());
+    const QJSValue error = engine.catchError();
+    QVERIFY(error.isError());
+    QCOMPARE(error.errorType(), QJSValue::GenericError);
+    QCOMPARE(error.property("message").toString(), "some error");
+    QVERIFY(!engine.hasError());
+}
+
 QJSValue tst_QJSEngine::throwingCppMethod1()
 {
     qjsEngine(this)->throwError("blub");