QML: parse .js files as JavaScript, not QML.

When importing a JS library into a QML file with the "import" keyword,
that JS file was parsed in QML mode, disallowing QML keywords like "as".

Task-number: QTBUG-40143
Change-Id: Ie98adceb27544732c2e96657d41170db36bff288
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>

3 files changed, 28 insertions, 0 deletions

diff --git a/tests/auto/qml/qqmlecmascript/data/importScriptsWithoutQmlMode.js b/tests/auto/qml/qqmlecmascript/data/importScriptsWithoutQmlMode.js
new file mode 100644
index 0000000000..aabcc9f3b8
--- /dev/null
+++ b/tests/auto/qml/qqmlecmascript/data/importScriptsWithoutQmlMode.js
@@ -0,0 +1,7 @@
+.pragma library
+
+var as = undefined
+function isLegal() {
+    var as = true;
+    return as;
+}
diff --git a/tests/auto/qml/qqmlecmascript/data/importScriptsWithoutQmlMode.qml b/tests/auto/qml/qqmlecmascript/data/importScriptsWithoutQmlMode.qml
new file mode 100644
index 0000000000..17d12199d7
--- /dev/null
+++ b/tests/auto/qml/qqmlecmascript/data/importScriptsWithoutQmlMode.qml
@@ -0,0 +1,10 @@
+import QtQuick 2.0
+
+import "importScriptsWithoutQmlMode.js" as Export
+
+Rectangle {
+    id: root
+    property bool success: false
+
+    Component.onCompleted: success = Export.isLegal()
+}
diff --git a/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp b/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp
index 34413b23de..7e9adeadcc 100644
--- a/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp
+++ b/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp
@@ -321,6 +321,7 @@ private slots:
     void lazyBindingEvaluation();
     void varPropertyAccessOnObjectWithInvalidContext();
     void importedScriptsAccessOnObjectWithInvalidContext();
+    void importedScriptsWithoutQmlMode();
     void contextObjectOnLazyBindings();
     void garbageCollectionDuringCreation();
 
@@ -7609,6 +7610,16 @@ void tst_qqmlecmascript::importedScriptsAccessOnObjectWithInvalidContext()
    QTRY_VERIFY(obj->property("success") == true);
 }
 
+void tst_qqmlecmascript::importedScriptsWithoutQmlMode()
+{
+   QQmlComponent component(&engine, testFileUrl("importScriptsWithoutQmlMode.qml"));
+   QScopedPointer<QObject> obj(component.create());
+   if (obj.isNull())
+       qDebug() << component.errors().first().toString();
+   QVERIFY(!obj.isNull());
+   QTRY_VERIFY(obj->property("success") == true);
+}
+
 void tst_qqmlecmascript::contextObjectOnLazyBindings()
 {
     QQmlComponent component(&engine, testFileUrl("contextObjectOnLazyBindings.qml"));