1 files changed, 13 insertions, 0 deletions
diff --git a/tests/auto/widgets/widgets/qplaintextedit/tst_qplaintextedit.cpp b/tests/auto/widgets/widgets/qplaintextedit/tst_qplaintextedit.cpp
index 63f3522214..6ad13cd781 100644
--- a/tests/auto/widgets/widgets/qplaintextedit/tst_qplaintextedit.cpp
+++ b/tests/auto/widgets/widgets/qplaintextedit/tst_qplaintextedit.cpp
@@ -149,6 +149,7 @@ private slots:
 #ifndef QT_NO_CONTEXTMENU
     void contextMenu();
 #endif
+    void inputMethodCursorRect();
 
 private:
     void createSelection();
@@ -1722,5 +1723,17 @@ void tst_QPlainTextEdit::contextMenu()
 }
 #endif // QT_NO_CONTEXTMENU
 
+// QTBUG-51923: Verify that the cursor rectangle returned by the input
+// method query correctly reflects the viewport offset.
+void tst_QPlainTextEdit::inputMethodCursorRect()
+{
+    ed->setPlainText("Line1\nLine2Line3\nLine3");
+    ed->moveCursor(QTextCursor::End);
+    const QRectF cursorRect = ed->cursorRect();
+    const QVariant cursorRectV = ed->inputMethodQuery(Qt::ImCursorRectangle);
+    QCOMPARE(cursorRectV.type(), QVariant::RectF);
+    QCOMPARE(cursorRectV.toRect(), cursorRect.toRect());
+}
+
 QTEST_MAIN(tst_QPlainTextEdit)
 #include "tst_qplaintextedit.moc"