1 files changed, 41 insertions, 0 deletions
diff --git a/tests/auto/gui/text/qtextdocument/tst_qtextdocument.cpp b/tests/auto/gui/text/qtextdocument/tst_qtextdocument.cpp
index 591fafc7fb..52e56feb5a 100644
--- a/tests/auto/gui/text/qtextdocument/tst_qtextdocument.cpp
+++ b/tests/auto/gui/text/qtextdocument/tst_qtextdocument.cpp
@@ -50,6 +50,7 @@
 #include <QDomDocument>
 #include "common.h"
 
+// #define DEBUG_WRITE_OUTPUT
 
 QT_FORWARD_DECLARE_CLASS(QTextDocument)
 
@@ -191,10 +192,12 @@ private slots:
 
     void fontTagFace();
 
+    void clearUndoRedoStacks();
 private:
     void backgroundImage_checkExpectedHtml(const QTextDocument &doc);
     void buildRegExpData();
     static QString cssFontSizeString(const QFont &font);
+    void writeActualAndExpected(const char* testTag, const QString &actual, const QString &expected);
 
     QTextDocument *doc;
     QTextCursor cursor;
@@ -223,6 +226,27 @@ QString tst_QTextDocument::cssFontSizeString(const QFont &font)
             : QString::number(font.pixelSize()) + QStringLiteral("px");
 }
 
+void tst_QTextDocument::writeActualAndExpected(const char *testTag, const QString &actual, const QString &expected)
+{
+#ifdef DEBUG_WRITE_OUTPUT
+    {
+        QFile out(QDir::temp().absoluteFilePath(QLatin1String(testTag) + QLatin1String("-actual.html")));
+        out.open(QFile::WriteOnly);
+        out.write(actual.toUtf8());
+        out.close();
+    } {
+        QFile out(QDir::temp().absoluteFilePath(QLatin1String(testTag) + QLatin1String("-expected.html")));
+        out.open(QFile::WriteOnly);
+        out.write(expected.toUtf8());
+        out.close();
+    }
+#else
+    Q_UNUSED(testTag)
+    Q_UNUSED(actual)
+    Q_UNUSED(expected)
+#endif
+}
+
 // Testing get/set functions
 void tst_QTextDocument::getSetCheck()
 {
@@ -1764,6 +1788,8 @@ void tst_QTextDocument::toHtml()
 
     QString output = doc->toHtml();
 
+    writeActualAndExpected(QTest::currentDataTag(), output, expectedOutput);
+
     QCOMPARE(output, expectedOutput);
 
     QDomDocument document;
@@ -1961,6 +1987,8 @@ void tst_QTextDocument::toHtmlRootFrameProperties()
     expectedOutput.replace("DEFAULTBLOCKSTYLE", "style=\" margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px;\"");
     expectedOutput.append(htmlTail);
 
+    writeActualAndExpected(QTest::currentTestFunction(), doc.toHtml(), expectedOutput);
+
     QCOMPARE(doc.toHtml(), expectedOutput);
 }
 
@@ -2733,6 +2761,8 @@ void tst_QTextDocument::backgroundImage_checkExpectedHtml(const QTextDocument &d
                     .arg(defaultFont.weight() * 8)
                     .arg((defaultFont.italic() ? "italic" : "normal"));
 
+    writeActualAndExpected(QTest::currentTestFunction(), doc.toHtml(), expectedHtml);
+
     QCOMPARE(doc.toHtml(), expectedHtml);
 }
 
@@ -3522,5 +3552,16 @@ void tst_QTextDocument::fontTagFace()
     }
 }
 
+void tst_QTextDocument::clearUndoRedoStacks()
+{
+    QTextDocument doc;
+    QTextCursor c(&doc);
+    c.insertText(QStringLiteral("lorem ipsum"));
+    QVERIFY(doc.isUndoAvailable());
+    doc.clearUndoRedoStacks(QTextDocument::UndoStack); // Don't crash
+    QVERIFY(!doc.isUndoAvailable());
+}
+
+
 QTEST_MAIN(tst_QTextDocument)
 #include "tst_qtextdocument.moc"