Make QTranslator testcase independent of Widgets

There isn't really a need for the dependency as LanguageChange events can be
caught in QObject::eventFilter, directly.

Change-Id: I39778fbe1663924d97705b514ae399cfd3749776
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@nokia.com>

2 files changed, 7 insertions, 9 deletions

diff --git a/tests/auto/corelib/kernel/qtranslator/qtranslator.pro b/tests/auto/corelib/kernel/qtranslator/qtranslator.pro
index c644f83a22..41c3dea924 100644
--- a/tests/auto/corelib/kernel/qtranslator/qtranslator.pro
+++ b/tests/auto/corelib/kernel/qtranslator/qtranslator.pro
@@ -1,6 +1,6 @@
-CONFIG += testcase
+CONFIG += testcase parallel_test
 TARGET = tst_qtranslator
-QT += widgets testlib
+QT = core testlib
 SOURCES = tst_qtranslator.cpp
 RESOURCES += qtranslator.qrc
 
diff --git a/tests/auto/corelib/kernel/qtranslator/tst_qtranslator.cpp b/tests/auto/corelib/kernel/qtranslator/tst_qtranslator.cpp
index 033d10001f..4689fc432a 100644
--- a/tests/auto/corelib/kernel/qtranslator/tst_qtranslator.cpp
+++ b/tests/auto/corelib/kernel/qtranslator/tst_qtranslator.cpp
@@ -40,18 +40,17 @@
 ****************************************************************************/
 
 #include <QtTest/QtTest>
-#include <QWidget>
 #include <qtranslator.h>
 #include <qfile.h>
 
-class tst_QTranslator : public QWidget
+class tst_QTranslator : public QObject
 {
     Q_OBJECT
 
 public:
     tst_QTranslator();
 protected:
-    bool event(QEvent *event);
+    bool eventFilter(QObject *obj, QEvent *event);
 private slots:
     void initTestCase();
 
@@ -71,8 +70,7 @@ private:
 tst_QTranslator::tst_QTranslator()
     : languageChangeEventCounter(0)
 {
-    show();
-    hide();
+    qApp->installEventFilter(this);
 }
 
 void tst_QTranslator::initTestCase()
@@ -83,11 +81,11 @@ void tst_QTranslator::initTestCase()
     QVERIFY2(QDir::setCurrent(testdata_dir), qPrintable("Could not chdir to " + testdata_dir));
 }
 
-bool tst_QTranslator::event(QEvent *event)
+bool tst_QTranslator::eventFilter(QObject *, QEvent *event)
 {
     if (event->type() == QEvent::LanguageChange)
         ++languageChangeEventCounter;
-    return QWidget::event(event);
+    return false;
 }
 
 void tst_QTranslator::load()