assertViolations(result, 0, 4, 0);

        assertContains(result.getErrors().get(0), "duplicate execution with id a");
        assertContains(result.getErrors().get(1), "duplicate execution with id default");
        assertContains(result.getErrors().get(2), "duplicate execution with id c");
        assertContains(result.getErrors().get(3), "duplicate execution with id b");
    }

    @Test

        assertEquals(active, activator.isActive(new org.apache.maven.model.Profile(profile), context, problems));

        assertEquals(0, problems.getErrors().size(), problems.getErrors().toString());
        assertEquals(0, problems.getWarnings().size(), problems.getWarnings().toString());
    }

                active.isEmpty(), "Expected collection to be empty but had " + active.size() + " elements: " + active);
        assertEquals(1, problems.getErrors().size());
        assertEquals(
                "Failed to determine activation for profile one: BOOM",
                problems.getErrors().get(0));
    }

        context.put("basedir", "myBasedir");
        context.put("project.baseUri", "myBaseUri");
    }

    protected void assertProblemFree(SimpleProblemCollector collector) {
        assertEquals(0, collector.getErrors().size(), "Expected no errors");
        assertEquals(0, collector.getWarnings().size(), "Expected no warnings");
        assertEquals(0, collector.getFatals().size(), "Expected no fatals");
    }

        this.model = model;
    }

    public Model getModel() {
        return model;
    }

    public List<String> getWarnings() {
        return warnings;
    }

    public List<String> getErrors() {
        return errors;
    }

    public List<String> getFatals() {
        return fatals;
    }

    @Override
    public void add(ModelProblemCollectorRequest req) {

        SimpleProblemCollector problems = new SimpleProblemCollector();

        assertFalse(activator.isActive(new org.apache.maven.model.Profile(profile), context, problems));

        assertEquals(0, problems.getErrors().size());
        assertEquals(1, problems.getWarnings().size());
        assertTrue(problems.getWarnings().get(0).contains(warningContains));
    }

                || dominant.getLocalRepository().isEmpty()) {
            dominant.setLocalRepository(recessive.getLocalRepository());
        }

        shallowMergeById(dominant.getMirrors(), recessive.getMirrors(), recessiveSourceLevel);
        shallowMergeById(dominant.getServers(), recessive.getServers(), recessiveSourceLevel);
        shallowMergeById(dominant.getProxies(), recessive.getProxies(), recessiveSourceLevel);

        String key = getMetadataKey(repository, file);

        return readLastUpdated(touchfile, key);
    }

    @Override
    public String getError(Artifact artifact, ArtifactRepository repository) {
        File touchFile = getTouchfile(artifact);
        return getError(touchFile, getRepositoryKey(repository));
    }

    @Override
    public void touch(Artifact artifact, ArtifactRepository repository, String error) {

        Objects.requireNonNull(mirror, "mirror cannot be null");

        for (Mirror p : getMirrors()) {
            if (p.getId() != null && p.getId().equals(mirror.getId())) {
                return this;
            }
        }

        getMirrors().add(mirror);

        return this;
    }

    @Override
    public List<Profile> getProfiles() {

@Deprecated
public interface UpdateCheckManager {

    boolean isUpdateRequired(Artifact artifact, ArtifactRepository repository);

    void touch(Artifact artifact, ArtifactRepository repository, String error);

    String getError(Artifact artifact, ArtifactRepository repository);

    boolean isUpdateRequired(RepositoryMetadata metadata, ArtifactRepository repository, File file);