OPERATING SYSTEM(S): Tested on Windows

FULL JDK VERSION(S):
java version "1.6.0"
Java(TM) SE Runtime Environment (build 1.6.0-b105)
Java HotSpot(TM) Client VM (build 1.6.0-b105, mixed mode)

DESCRIPTION:
URL(URL, String) gives incorrect relative URL.

May be separator are not handled properly while parsing the filename

Testcase output:

File is C:\tmp\file
base URL is http:///C:\tmp\file
result URL is http:////hello//book.gif
Error: TEST FAILED,Expected result URL ishttp:///C:\tmp\file\hello//book.gif. OR
http:///C:/tmp/file/hello//book.gif


Testcase source:

import java.io.*;
import java.net.*;
import sun.net.www.ParseUtil;

public class URLTest {
private static void URLTest (String base, String relative) {
String str;
try {
File input = new File(base);
System.out.println("File is " + input.getAbsolutePath());
java.net.URL baseURL = new java.net.URL("http", "/", input.getAbsolutePath());
System.out.println("base URL is " + baseURL);
java.net.URL absURL = new java.net.URL(baseURL, relative);
System.out.println("result URL is " + absURL.toString());

if (absURL.toString().indexOf("C:\\tmp\\file\\hello//book.gif") >= 0) {
System.out.println("TEST PASSED");
} else {
// To check absolute URL on UNIX platforms
if (absURL.toString().indexOf("C:/tmp/file/hello//book.gif") >= 0) {
System.out.println("TEST PASSED");
// System.exit(0);
} else {
  System.out.println("Error: TEST FAILED,Expected result URL is"+ "http:///C:\\tmp\\file\\hello//book.gif. OR \n"+ "http:///C:/tmp/file/hello//book.gif");
}
}
} catch (MalformedURLException exc) {
System.out.println("Error: Throws exception:" + exc);
}
System.exit(0);
}

public static void main(String[] args) {
URLTest ("C://tmp//file", "hello//book.gif");
}
}