1 files changed, 14 insertions, 0 deletions
diff --git a/tests/auto/gui/text/qtextlayout/tst_qtextlayout.cpp b/tests/auto/gui/text/qtextlayout/tst_qtextlayout.cpp
index 099ccab51c..4b8ba98d04 100644
--- a/tests/auto/gui/text/qtextlayout/tst_qtextlayout.cpp
+++ b/tests/auto/gui/text/qtextlayout/tst_qtextlayout.cpp
@@ -1910,6 +1910,20 @@ void tst_QTextLayout::longText()
         QFontMetricsF fm(layout.font());
         QVERIFY(layout.maximumWidth() - fm.horizontalAdvance(' ') <= QFIXED_MAX);
     }
+
+    {
+        QTextLayout layout(QString("AAAAAAAA").repeated(200000));
+        layout.setCacheEnabled(true);
+        layout.beginLayout();
+        forever {
+            QTextLine line = layout.createLine();
+            if (!line.isValid())
+                break;
+        }
+        layout.endLayout();
+        QFontMetricsF fm(layout.font());
+        QVERIFY(layout.maximumWidth() - fm.horizontalAdvance('A') <= QFIXED_MAX);
+    }
 }
 
 void tst_QTextLayout::widthOfTabs()