--- /dev/null	2013-05-22 15:30:23.360375610 +0400
+++ new/jdk/test/com/sun/org/apache/xpath/XPathExceptionInitCause.java	2013-05-24 20:30:00.914389110 +0400
@@ -0,0 +1,25 @@
+/*
+ * @test
+ * @bug 8009579
+ * @summary The initCause() incorrectly initialise the cause in
+ * XPathException class when used with XPathException(String)
+ * constructor.
+ * @run main XPathExceptionInitCause
+ * @author aleksej.efimov@oracle.com
+ */
+
+import javax.xml.xpath.XPathException;
+
+public class XPathExceptionInitCause {
+
+    public static void main(String[] args) throws Exception {
+        Throwable cause = new Throwable("message 1");
+        XPathException xpathexcep = new XPathException("message 2");
+        xpathexcep.initCause(cause);
+        System.out.println("getCause() result: '" + xpathexcep.getCause()
+                + "' Cause itself: '" + cause + "'");
+        if (!xpathexcep.getCause().toString().equals(cause.toString())) {
+            throw new Exception("Incorrect cause is set by initCause()");
+        }
+    }
+}