diff --git a/tests/auto/corelib/text/qstring/tst_qstring.cpp b/tests/auto/corelib/text/qstring/tst_qstring.cpp
index e15682e81e9..676ff7c29c7 100644
--- a/tests/auto/corelib/text/qstring/tst_qstring.cpp
+++ b/tests/auto/corelib/text/qstring/tst_qstring.cpp
@@ -856,6 +856,9 @@ void tst_QString::replace_regexp_data()
     // Columns (all QString): string, regexp, after, result; string.replace(regexp, after) == result
     // Test-cases with empty after (replacement text, third column) go in remove_regexp_data()
 
+    QTest::newRow("empty-in-null") << QString() << "" << "after" << "after";
+    QTest::newRow("empty-in-empty") << "" << "" << "after" << "after";
+
     QTest::newRow( "rep00" ) << QString("A <i>bon mot</i>.") << QString("<i>([^<]*)</i>") << QString("\\emph{\\1}") << QString("A \\emph{bon mot}.");
     QTest::newRow( "rep01" ) << QString("banana") << QString("^.a()") << QString("\\1") << QString("nana");
     QTest::newRow( "rep02" ) << QString("banana") << QString("(ba)") << QString("\\1X\\1") << QString("baXbanana");