diff -r 3b1da2848fc7 -r d3bac044e0f0 tests/auto/qbytearray/tst_qbytearray.cpp
--- a/tests/auto/qbytearray/tst_qbytearray.cpp	Fri Feb 19 23:40:16 2010 +0200
+++ b/tests/auto/qbytearray/tst_qbytearray.cpp	Fri Mar 12 15:46:37 2010 +0200
@@ -76,6 +76,7 @@
     void qCompress();
     void qUncompress_data();
     void qUncompress();
+    void qCompressionZeroTermination();
 #endif
     void constByteArray();
     void leftJustified();
@@ -261,6 +262,14 @@
     }
     QCOMPARE(res, out);
 }
+
+void tst_QByteArray::qCompressionZeroTermination()
+{
+    QString s = "Hello, I'm a string.";
+    QByteArray ba = ::qUncompress(::qCompress(s.toLocal8Bit()));
+    QVERIFY((int) *(ba.data() + ba.size()) == 0);
+}
+
 #endif
 
 void tst_QByteArray::constByteArray()