@Test(expected = RuntimeException.class)
	public void testValidation() throws BindException {
		moduleOptions.add(new ModuleOption("port", "description").withType(int.class));
		Map<String, String> userValues = new HashMap<String, String>();
		userValues.put("port", "foo");
		moduleOptions.interpolate(userValues);
	}
Test for {@link SimpleModuleOptionsMetadata} behavior.

@author Eric Bottard
spring-xd-module/src/test/java/org/springframework/xd/module/options/SimpleModuleOptionsMetadataTests.java