diff -r 56cd8111b7f7 -r 41300fa6a67c tests/auto/qfileinfo/tst_qfileinfo.cpp
--- a/tests/auto/qfileinfo/tst_qfileinfo.cpp	Tue Jan 26 12:42:25 2010 +0200
+++ b/tests/auto/qfileinfo/tst_qfileinfo.cpp	Tue Feb 02 00:43:10 2010 +0200
@@ -513,6 +513,12 @@
     QFileInfo info("/tmp/../../../../../../../../../../../../../../../../../");
     info.canonicalFilePath();
 
+#if defined(Q_OS_UNIX) && !defined(Q_OS_SYMBIAN)
+    // This used to crash on Mac
+    QFileInfo dontCrash(QLatin1String("/"));
+    QCOMPARE(dontCrash.canonicalFilePath(), QLatin1String("/"));
+#endif
+
 #ifndef Q_OS_WIN
     // test symlinks
     QFile::remove("link.lnk");