Issue #292 - update JsonParserImpl and reject duplicate keys unit test

Signed-off-by: John T.E. Timm <johntimm@us.ibm.com>

Author: JohnTimm

impl/src/main/java/org/eclipse/jsonp/JsonParserImpl.java

@@ -170,7 +170,7 @@ public JsonValue getValue() {
             case START_ARRAY:
                 return getArray(new JsonArrayBuilderImpl(bufferPool));
             case START_OBJECT:
-                return getObject(new JsonObjectBuilderImpl(bufferPool));
+                return getObject(new JsonObjectBuilderImpl(bufferPool, rejectDuplicateKeys));
             case KEY_NAME:
             case VALUE_STRING:
                 return new JsonStringImpl(getCharSequence());

impl/src/test/java/org/eclipse/jsonp/tests/JsonDuplicateKeyTest.java

@@ -56,24 +56,46 @@ public void testJsonReaderDuplicateKey2() {
             assertEquals("Duplicate key 'a' is not allowed", e.getMessage());
         }
     }
-    
+
+    @Test
+    public void testJsonReaderDuplicateKey3() {
+        String json = "{\"a\":\"b\",\"b\":{\"c\":\"d\",\"c\":\"e\"}}";
+        JsonReader jsonReader = Json.createReader(new StringReader(json));
+        JsonObject jsonObject = jsonReader.readObject();
+        assertEquals(jsonObject.getJsonObject("b").getString("c"), "e");
+    }
+
+    @Test
+    public void testJsonReaderDuplicateKey4() {
+        String json = "{\"a\":\"b\",\"b\":{\"c\":\"d\",\"c\":\"e\"}}";;
+        JsonReaderFactory jsonReaderFactory = Json.createReaderFactory(Collections.singletonMap(JsonConfig.REJECT_DUPLICATE_KEYS, true));
+        JsonReader jsonReader = jsonReaderFactory.createReader(new StringReader(json));
+        try {
+            jsonReader.readObject();
+            fail();
+        } catch (Exception e) {
+            assertTrue(e instanceof JsonParsingException);
+            assertEquals("Duplicate key 'c' is not allowed", e.getMessage());
+        }
+    }
+
     @Test
     public void testJsonObjectBuilderDuplcateKey1() {
-    	JsonObjectBuilder objectBuilder = Json.createObjectBuilder();
-    	JsonObject jsonObject = objectBuilder.add("a", "b").add("a", "c").build();
-    	assertEquals(jsonObject.getString("a"), "c");
+        JsonObjectBuilder objectBuilder = Json.createObjectBuilder();
+        JsonObject jsonObject = objectBuilder.add("a", "b").add("a", "c").build();
+        assertEquals(jsonObject.getString("a"), "c");
     }
-    
+
     @Test
     public void testJsonObjectBuilderDuplcateKey2() {
-    	JsonBuilderFactory jsonBuilderFactory = Json.createBuilderFactory(Collections.singletonMap(JsonConfig.REJECT_DUPLICATE_KEYS, true));
-    	JsonObjectBuilder objectBuilder = jsonBuilderFactory.createObjectBuilder();
-    	try {
-    		objectBuilder.add("a", "b").add("a", "c").build();
-    		fail();
-    	} catch (Exception e) {
+        JsonBuilderFactory jsonBuilderFactory = Json.createBuilderFactory(Collections.singletonMap(JsonConfig.REJECT_DUPLICATE_KEYS, true));
+        JsonObjectBuilder objectBuilder = jsonBuilderFactory.createObjectBuilder();
+        try {
+            objectBuilder.add("a", "b").add("a", "c").build();
+            fail();
+        } catch (Exception e) {
             assertTrue(e instanceof IllegalStateException);
             assertEquals("Duplicate key 'a' is not allowed", e.getMessage());
-    	}
+        }
     }
 }