} else {
                    result = evaluator.evaluate(value);
                }
            }
            if (null == result && configuration.getChildCount() == 0) {
                value = configuration.getAttribute("default-value");
                if (null != value && !value.isEmpty()) {

        assertEquals(1, md.getRequirements().size());
        assertEquals(1, md.getParameters().size());

        assertNotNull(md.getMojoConfiguration());
        assertEquals(1, md.getMojoConfiguration().getChildCount());

        PlexusConfiguration pc = md.getMojoConfiguration().getChild(0);

        assertEquals("${jar.finalName}", pc.getValue());
        assertEquals("${project.build.finalName}", pc.getAttribute("default-value"));

        }

        Object value = defaultValue;
        TypeLiteral<?> paramType = TypeLiteral.get(setterInfo.parameterType);

        if (!paramType.getRawType().isInstance(value)) {
            if (configuration.getChildCount() > 0) {
                throw new ComponentConfigurationException(
                        "Basic element '" + configuration.getName() + "' must not contain child elements");
            }

                    throw new ComponentConfigurationException(configuration, msg, e);
                }
            }

            if (value == null && (config == null || config.getChildCount() <= 0)) {
                invalidParameters.add(parameter);
            }
        }

        if (!invalidParameters.isEmpty()) {
            throw new PluginParameterException(mojoDescriptor, invalidParameters);