Re: RFC: Adding support for a new tag to a Mauve test tool

[Dr Andrew John Hughes <ahughes at redhat dot com>]

On 10:22 Mon 16 Jan     , Pavel Tisnovsky wrote:
> Andii Hughes wrote:
> > On Jan 13, 2012 11:55 AM, "Pavel Tisnovsky" <ptisnovs@redhat.com
> > <mailto:ptisnovs@redhat.com>> wrote:
> >>
> >> Hi all,
> >>
> >> I'd like to add support for a new tag to a Mauve test tool. This tag
> > is named "CompileOptions:"
> >> and could be used to add specific command line options passed to a
> > compiler (it's different
> >> behavior from changing compiler options globally).
> >>
> >> Usage (in the test - btw: its compatible with ECJ and OpenJDK too):
> >>
> >> // Tags: CompileOptions: -source 1.4
> >>
> >> or just:
> >>
> >> // CompileOptions: -source 1.4
> >>
> >> because the "Tags:" prefix is not checked (it's true for other tags
> > too - I'm not sure if its
> >> a bug or a feature of Mauve test tool :-).
> >>
> >> Unified diff for Harness.java is stored in an attachment.
> >>
> >> Could anybody look at this change please?
> >>
> > 
> > I've no objection to the change as it stands, but I seem to remember
> > there already being support for handling different Java versions (at
> > least, I remember writing versions in comments).  Have you checked there
> > isn't already a way of doing this?
> 
> Hi Andrew,
> 
> partially yes, it's possible to specify target JDK version in a tag.
> For example:
> // Tags: JDK1.4
> 
> (and I'm glad this tag exists due to changes in standard API)
> 
> But this tag is not used by the Harness tool itself. It's supported only
> by Ant-related tool which can select (filter/grep) only the tests
> with specified JDK versions and compile/run them. But even if the test
> is select by this Ant-tool, there's no way (AFAIK) how to specify
> command line flags passed to the compiler. But in some (minor) cases
> it's useful to be able to specify -source, -target, -bootclasspath or
> something similar.
> 
> Btw: The mentioned Ant-tool (or are such thing called "plugin"?) is stored
> in mauve/gnu/anttask
> 
> > 
> >> Thank you in advance,
> >> Pavel
> > 
> 

Ok, if there are cases other than source/target, then it makes sense to
have a general 'append to command-line' option.  I was just checking we
wouldn't end up with duplicate features.
-- 
Andrew :)

Free Java Software Engineer
Red Hat, Inc. (http://www.redhat.com)

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