1 files changed, 27 insertions, 0 deletions
diff --git a/tests/auto/qscriptengine/tst_qscriptengine.cpp b/tests/auto/qscriptengine/tst_qscriptengine.cpp
index c3a0ba1..6c89bcb 100644
--- a/tests/auto/qscriptengine/tst_qscriptengine.cpp
+++ b/tests/auto/qscriptengine/tst_qscriptengine.cpp
@@ -164,10 +164,12 @@ private slots:
     void translationContext_data();
     void translationContext();
     void translateScriptIdBased();
+    void translateFromBuiltinCallback();
     void functionScopes();
     void nativeFunctionScopes();
     void evaluateProgram();
     void collectGarbageAfterConnect();
+    void collectGarbageAfterNativeArguments();
     void promoteThisObjectToQObjectInConstructor();
 
     void qRegExpInport_data();
@@ -4725,6 +4727,21 @@ void tst_QScriptEngine::translateScriptIdBased()
              QString::fromLatin1("qtn_foo_bar")); // Doesn't have plural
 }
 
+void tst_QScriptEngine::translateFromBuiltinCallback()
+{
+    QScriptEngine eng;
+    eng.installTranslatorFunctions();
+
+    // Callback has no translation context.
+    eng.evaluate("function foo() { qsTr('foo'); }");
+
+    // Stack at translation time will be:
+    // qsTr, foo, forEach, global
+    // qsTr() needs to walk to the outer-most (global) frame before it finds
+    // a translation context, and this should not crash.
+    eng.evaluate("[10,20].forEach(foo)", "script.js");
+}
+
 void tst_QScriptEngine::functionScopes()
 {
     QScriptEngine eng;
@@ -5024,6 +5041,16 @@ void tst_QScriptEngine::collectGarbageAfterConnect()
     QVERIFY(widget == 0);
 }
 
+void tst_QScriptEngine::collectGarbageAfterNativeArguments()
+{
+    // QTBUG-17788
+    QScriptEngine eng;
+    QScriptContext *ctx = eng.pushContext();
+    QScriptValue arguments = ctx->argumentsObject();
+    // Shouldn't crash when marking the arguments object.
+    collectGarbage_helper(eng);
+}
+
 static QScriptValue constructQObjectFromThisObject(QScriptContext *ctx, QScriptEngine *eng)
 {
     Q_ASSERT(ctx->isCalledAsConstructor());