Add test demonstrating using ConfigRef for reading an enum

Author: petergeneric

guice/common/src/test/java/com/peterphi/std/guice/common/serviceprops/ConfigRefTest.java

@@ -14,23 +14,36 @@
  */
 public class ConfigRefTest
 {
+	public enum SomeEnum
+	{
+		A,
+		B,
+		C
+	}
+
 	@Inject
 	@Named("some-name")
 	String name;
 
+	@Inject
+	@Named("some-enum")
+	public ConfigRef enumval;
+
 
 	@Test
 	public void testChangingPropertyAtRuntimeAndReinjectingMembersWorks()
 	{
 		GuiceConfig configuration = new GuiceConfig();
 
 		configuration.set("some-name", "initial value");
+		configuration.set("some-enum", "B");
 
 		final Injector injector = Guice.createInjector(new ServicePropertiesModule(configuration));
 
 		injector.injectMembers(this);
 
 		assertEquals("initial value", name);
+		assertEquals("enum value", SomeEnum.B, enumval.get(SomeEnum.class));
 
 		configuration.set("some-name", "changed value");