Don't ask libwayland to set absurdly long window titles

It will cause libwayland to terminate the application.

Task-number: QTBUG-68715
Change-Id: I1d1830453da224bec8bf4c5d6ab087c0e05328a8
Reviewed-by: Paul Olav Tvete <paul.tvete@qt.io>

1 files changed, 11 insertions, 0 deletions

diff --git a/tests/auto/client/client/tst_client.cpp b/tests/auto/client/client/tst_client.cpp
index a8e2d5e1..dcc0cb77 100644
--- a/tests/auto/client/client/tst_client.cpp
+++ b/tests/auto/client/client/tst_client.cpp
@@ -181,6 +181,7 @@ private slots:
     void hiddenTransientParent();
     void hiddenPopupParent();
     void glWindow();
+    void longWindowTitle();
 
 private:
     MockCompositor *compositor = nullptr;
@@ -582,6 +583,16 @@ void tst_WaylandClient::glWindow()
     QTRY_VERIFY(!compositor->surface());
 }
 
+void tst_WaylandClient::longWindowTitle()
+{
+    // See QTBUG-68715
+    QWindow window;
+    QString absurdlyLongTitle(10000, QLatin1Char('z'));
+    window.setTitle(absurdlyLongTitle);
+    window.show();
+    QTRY_VERIFY(compositor->surface());
+}
+
 int main(int argc, char **argv)
 {
     setenv("XDG_RUNTIME_DIR", ".", 1);