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https://issues.apache.org/jira/browse/JENA-1117?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15098132#comment-15098132
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Dimitris Kontokostas commented on JENA-1117:
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In 2.13.0, if you use these 2 files and the following code you should recreate
the problem
https://www.dropbox.com/sh/48pfecxpno4ke9i/AADprncueHrkHlOH61p5esX-a?dl=0
{code:java}
Model m1 = ModelFactory.createDefaultModel();
m1.read("extended1.ttl");
Model m2 = ModelFactory.createDefaultModel();
m2.read("extended2.ttl");
boolean isIsomorphic = m1.isIsomorphicWith(m2);
boolean isSame = m1.difference(m2).isEmpty();
{code}
I tried using "extended1.ttl" in both m1 & m2 but it worked correctly so it
might be Model.difference() that has the problem
in my program, extended1.ttl is used as input.
I read extended1.ttl & recreate extended2.tll programmatically.
In the end I expect both files to be the same.
> Model.isIsomorphicWith() does not behave correctly
> --------------------------------------------------
>
> Key: JENA-1117
> URL: https://issues.apache.org/jira/browse/JENA-1117
> Project: Apache Jena
> Issue Type: Bug
> Components: Jena
> Affects Versions: Jena 2.13.0
> Environment: Ubuntu 15.10
> Reporter: Dimitris Kontokostas
> Priority: Minor
>
> The following code succeeds on the first check where the difference is empty
> but fails with isIsomorphicWith() where it shouldn't
> {code:java}
> Model difference = inputModel.difference(outputModel);
> assertThat(difference.isEmpty()).isTrue();
> assertThat(inputModel.isIsomorphicWith(outputModel)).isTrue();
> {code}
> The code does not fail always, works with all of my test files except the
> following:
> https://raw.githubusercontent.com/AKSW/RDFUnit/d29315a5fef16855253222d5606555bbf2b5a1f6/rdfunit-model/src/test/resources/org/aksw/rdfunit/model/results/sample.extendedTestCaseResult.ttl
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