[9] RFC on 8066943: (fs) Path.relativize() gives incorrect result for ".." on Windows

[Alan Bateman]

On 01/05/2015 16:22, Brian Burkhalter wrote:
> This issue https://bugs.openjdk.java.net/browse/JDK-8066943 looks to 
> me to be “Not an Issue.” Using JDK 9 this test class
>
> import java.nio.file.Path;
> import java.nio.file.Paths;
>
> public class JDK8066943 {
>
>     public static void main(String[] args) throws Throwable {
> System.out.println(Paths.get("..").relativize(Paths.get("x")));
>
> System.out.println(Paths.get("").relativize(Paths.get("x")));
>     }
> }
>
> prints
>
> ../x
> x
>
> on Unix (Mac OS 10.9.5 and Ubuntu 12.04) and
>
> ..\x
> x
>
> on Windows 7.
I think this is one that I talked to Max about at one point. It should 
throw IAE for this case because you can't generate a general path for 
$PWD/x. This is tricky to get right.

-Alan
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