#274 - test illustrating bug

hapi-fhir-structures-dstu2/src/test/java/ca/uhn/fhir/parser/EmptyElementWithExtensionTest.java

@@ -0,0 +1,28 @@
+package ca.uhn.fhir.parser;
+
+import ca.uhn.fhir.context.FhirContext;
+import ca.uhn.fhir.model.dstu2.composite.CodingDt;
+import ca.uhn.fhir.model.dstu2.resource.Observation;
+import ca.uhn.fhir.model.primitive.StringDt;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Created by Bill de Beaubien on 12/20/2015.
+ */
+public class EmptyElementWithExtensionTest {
+    @Ignore
+    @Test
+    public void testNullFlavor() throws Exception {
+        Observation observation = new Observation();
+        observation.getCode().getCoding().add(new CodingDt().setSystem("http://loinc.org").setCode("3141-9"));
+        observation.getStatusElement().addUndeclaredExtension(false, "http://hl7.org/fhir/StructureDefinition/iso21090-nullFlavor", new StringDt("UNK"));
+        FhirContext ctx = FhirContext.forDstu2();
+        IParser parser = ctx.newXmlParser().setPrettyPrint(true);
+        String xml = parser.encodeResourceToString(observation);
+        observation = (Observation) parser.parseResource(xml);
+        assertEquals(1, observation.getStatusElement().getUndeclaredExtensions().size());
+    }
+}