JDK 10 RFR of JDK-8181395: Refactor several java/nio locale related shell tests to java

Alan Bateman Alan.Bateman at oracle.com
Thu Jun 8 14:48:11 UTC 2017

On 07/06/2017 16:14, Amy Lu wrote:
> Defaul.java
> System.out.println(Charset.defaultCharset());
> The output for "nonexist" (not supported) LC_ALL is (at least on 
> Solaris): US-ASCII
> The output is the same as set LC_ALL from commandline:
> $ export LC_ALL=nonexist
> bash: warning: setlocale: LC_ALL: cannot change locale (nonexist)
> $ echo $LC_ALL
> nonexist
> $ jdk/bin/java Default
> I'm not sure why though. Also not sure whether it's the same across 
> platforms, settings. So I make it run with the "nonexist" locale to 
> get the String UNSUPPORTED.
I assume "US-ASCII" is coming from nl_langinfo(CODESET), at least on 
OSX/Linux/Solaris. I'm surprised that it prints "US-ASCII" on Windows 
but maybe that needs a system without the JP locales to prove that.


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