[antlr-interest] Status of gUnit?

Ben Karel eschew at gmail.com
Sat Feb 26 12:52:29 PST 2011


It looks like there's an example here:

https://github.com/maguro/aunit/blob/master/it/src/test/java/com/toolazydogs/aunit/CMinusTest.java

On Sat, Feb 26, 2011 at 3:49 PM, Terence Parr <parrt at cs.usfca.edu> wrote:

> No description of what it does exactly. example?
> T
> On Feb 26, 2011, at 12:37 PM, Alan D. Cabrera wrote:
>
> > As an alternative to gUnit I invite you to take a look at
> >
> > https://github.com/maguro/aunit
> >
> > Comments and suggestions are welcome.
> >
> >
> > Regards,
> > Alan
> >
> > On Feb 23, 2011, at 11:28 AM, antlr at xrad.org wrote:
> >
> >>
> >> Hi there,
> >>
> >> I'm wondering what the status of gUnit is these days?  The SimpleC
> >> example on the introductory web page fails when run against
> >> examples-v3/java/LL-star/SimpleC.g, and various experiments of mine
> >> don't seem to come out as expected either.
> >>
> >> http://www.antlr.org/wiki/display/ANTLR3/gUnit+-+Grammar+Unit+Testing
> >>
> >> .. as is, this fails because
> >>
> >> "int x;" -> OK
> >>
> >> doesn't appear to be valid in the current grammar (I'm using
> >> antlr-3.3-complete.jar) --- the "->" appears to be the problem, but if I
> >> remove it then I get unexpected failures --- on the above test, for
> >> example, all four of the OKs actually FAIL, even though the web page
> >> suggests that three of them should pass:
> >>
> >> -----------------------------------------------------------------------
> >> executing testsuite for grammar:SimpleC with 11 tests
> >> -----------------------------------------------------------------------
> >> 6 failures found:
> >> test2 (variable, line7) -
> >> expected: OK
> >> actual: FAIL
> >>
> >> test3 (functionHeader, line11) -
> >> expected: int
> >> actual: Invalid input
> >>
> >> test4 (program, line15) -
> >> expected: OK
> >> actual: FAIL
> >>
> >> test5 (program, line20) -
> >> expected: OK
> >> actual: FAIL
> >>
> >> test6 (program, line22) -
> >> expected:
> >> actual: Invalid input
> >>
> >> test8 (ID, line28) -
> >> expected: OK
> >> actual: extra text found, '@999'
> >>
> >> Tests run: 11, Failures: 6
> >>
> >> I get the same experience in my own code.  This grammar:
> >>
> >> grammar Simple;
> >> input : 'yes' ;
> >>
> >> when run with this test:
> >>
> >> gunit Simple;
> >> input:
> >> "yes" OK
> >> "x" FAIL
> >>
> >> fails as follows:
> >>
> >> -----------------------------------------------------------------------
> >> executing testsuite for grammar:Simple with 2 tests
> >> -----------------------------------------------------------------------
> >> 1 failures found:
> >> test1 (input, line3) -
> >> expected: OK
> >> actual: FAIL
> >>
> >> Tests run: 2, Failures: 1
> >>
> >> Finally, the thing I would really like to do is to test my rewriting
> >> grammar translator.  This doesn't work either --- there seems to be a
> >> fundamental problem with rewriting grammars in gUnit's internals:
> >>
> >> grammar Simple;
> >> options { output=template; rewrite=true; }
> >> input : 'yes' -> template() "no" ;
> >>
> >> tested with this:
> >>
> >> gunit Simple;
> >> input:
> >> "yes" -> "no"
> >>
> >> results in this:
> >>
> >> -----------------------------------------------------------------------
> >> executing testsuite for grammar:Simple with 1 tests
> >> -----------------------------------------------------------------------
> >> 1 failures found:
> >> test1 (input, line3) -
> >> expected: no
> >> actual: java.lang.ClassCastException:
> org.antlr.runtime.CommonTokenStream can
> >> not be cast to org.antlr.runtime.TokenRewriteStream
> >>
> >> Tests run: 1, Failures: 1
> >>
> >> ... any suggestions?  I tried rebuilding gUnit after editing the
> >> offending CommonTokenStream declarations in gUnitExecutor to
> >> TokenRewriteStreams --- just to see if it helped --- and it does make
> >> things work again, at least with this trivial example.  Not so clear
> >> with more complex stuff though.  Something similar to this seemed to be
> >> reported a few years back (without official response), so I'm wondering
> >> whether gUnit's no longer actively maintained?
> >>
> >> Conrad
> >>
> >> List: http://www.antlr.org/mailman/listinfo/antlr-interest
> >> Unsubscribe:
> http://www.antlr.org/mailman/options/antlr-interest/your-email-address
> >
> >
> > List: http://www.antlr.org/mailman/listinfo/antlr-interest
> > Unsubscribe:
> http://www.antlr.org/mailman/options/antlr-interest/your-email-address
>
>
> List: http://www.antlr.org/mailman/listinfo/antlr-interest
> Unsubscribe:
> http://www.antlr.org/mailman/options/antlr-interest/your-email-address
>


More information about the antlr-interest mailing list