artifactManager.setPath(artifact, path);
    }

    @Override
    public List<Path> getCompileSourceRoots(Project project, ProjectScope scope) {
        MavenProject prj = getMavenProject(nonNull(project, "project"));
        List<String> roots;
        if (nonNull(scope, "scope") == ProjectScope.MAIN) {
            roots = prj.getCompileSourceRoots();
        } else if (scope == ProjectScope.TEST) {

     * Paths are absolute.
     *
     * @param project the project
     * @param scope the scope, i.e. usually main or test
     * @return the list of compile source roots
     */
    @Nonnull
    List<Path> getCompileSourceRoots(@Nonnull Project project, @Nonnull ProjectScope scope);

    /**
     * Add a compilation source root to the given project for the given scope.

            }
        }
    }

    public void addCompileSourceRoot(String path) {
        addPath(getCompileSourceRoots(), path);
    }

    public void addTestCompileSourceRoot(String path) {
        addPath(getTestCompileSourceRoots(), path);
    }

    public List<String> getCompileSourceRoots() {
        return compileSourceRoots;
    }

    public List<String> getTestCompileSourceRoots() {

        project.setFile(new File(basedir, "file"));

        project.addCompileSourceRoot(basedir.getAbsolutePath());
        project.addCompileSourceRoot(".");

        assertEquals(1, project.getCompileSourceRoots().size());
    }

    private void assertNoNulls(List<String> elements) {
        assertFalse(elements.contains(null));
    }

        MavenProject project = result.get(0).getProject();
        // verify a few typical parameters are not duplicated
        assertEquals(1, project.getTestCompileSourceRoots().size());
        assertEquals(1, project.getCompileSourceRoots().size());
        assertEquals(1, project.getMailingLists().size());
        assertEquals(1, project.getResources().size());
    }

    @Test