Fix crash when accessing newly constructed QTextObjects.

The pieceTable member was only initialized by QTextDocumentPrivate
_after_ the call to createObject. This patch initializes it at
construction time.

Task-number: 246138
Reviewed-by: Simon Hausmann

1 files changed, 19 insertions, 0 deletions

diff --git a/tests/auto/qtextobject/tst_qtextobject.cpp b/tests/auto/qtextobject/tst_qtextobject.cpp
index 4fbc155..4d1d4b2 100644
--- a/tests/auto/qtextobject/tst_qtextobject.cpp
+++ b/tests/auto/qtextobject/tst_qtextobject.cpp
@@ -62,6 +62,7 @@ public:
 
 private slots:
     void getSetCheck();
+    void testStandAloneTextObject();
 };
 
 tst_QTextObject::tst_QTextObject()
@@ -105,5 +106,23 @@ void tst_QTextObject::getSetCheck()
     QCOMPARE(INT_MAX, obj2.userState());
 }
 
+class TestTextObject : public QTextObject
+{
+public:
+    TestTextObject(QTextDocument *document) : QTextObject(document) {}
+};
+
+void tst_QTextObject::testStandAloneTextObject()
+{
+    QTextDocument document;
+    TestTextObject textObject(&document);
+
+    QCOMPARE(textObject.document(), &document);
+    // don't crash
+    textObject.format();
+    textObject.formatIndex();
+    QCOMPARE(textObject.objectIndex(), -1);
+}
+
 QTEST_MAIN(tst_QTextObject)
 #include "tst_qtextobject.moc"