void () { ExtensionsAreaImpl extensionsArea = new ExtensionsAreaImpl(new ExtensionPointImplTest.MyComponentManager()); int numEP = extensionsArea.getNameToPointMap().size(); registerInterfaceExtension(extensionsArea); assertEquals("Additional EP available", numEP + 1, extensionsArea.getNameToPointMap().size()); assertThat(extensionsArea.getExtensionPoint(EXTENSION_POINT_NAME_1)).withFailMessage("EP by name available").isNotNull(); }