UT for checking default values of list sub-statements

Change-Id: I79312afcae98aa8b26f6f33bc42c5dcb86073f4a

@@ -150,4 +150,29 @@ public class MaxElementsListenerTest {
         assertThat(leafListInfo.getLeafName(), is("invalid-interval"));
         assertThat(leafListInfo.getMaxElelements(), is(2147483647));
     }
+
+    /**
+     * Checks default value of max-elements statement.
+     */
+    @Test
+    public void processMaxElementsDefaultValue() throws IOException, ParserException {
+
+        YangNode node = manager.getDataModel("src/test/resources/MaxElementsDefaultValue.yang");
+
+        // Check whether the data model tree returned is of type module.
+        assertThat((node instanceof YangModule), is(true));
+
+        // Check whether the node type is set properly to module.
+        assertThat(node.getNodeType(), is(YangNodeType.MODULE_NODE));
+
+        // Check whether the module name is set correctly.
+        YangModule yangNode = (YangModule) node;
+        assertThat(yangNode.getName(), is("Test"));
+
+        ListIterator<YangLeafList> leafListIterator = yangNode.getListOfLeafList().listIterator();
+        YangLeafList leafListInfo = leafListIterator.next();
+
+        assertThat(leafListInfo.getLeafName(), is("invalid-interval"));
+        assertThat(leafListInfo.getMaxElelements(), is(2147483647));
+    }
 }
\ No newline at end of file

@@ -137,4 +137,29 @@ public class MinElementsListenerTest {
                 "Internal parser error detected: Invalid cardinality in" + " min-elements before processing.");
         YangNode node = manager.getDataModel("src/test/resources/MinElementsInvalidCardinality.yang");
     }
+
+    /**
+     * Checks min-element's default value.
+     */
+    @Test
+    public void processMinElementsDefaultValue() throws IOException, ParserException {
+
+        YangNode node = manager.getDataModel("src/test/resources/MinElementsDefaultValue.yang");
+
+        // Check whether the data model tree returned is of type module.
+        assertThat((node instanceof YangModule), is(true));
+
+        // Check whether the node type is set properly to module.
+        assertThat(node.getNodeType(), is(YangNodeType.MODULE_NODE));
+
+        // Check whether the module name is set correctly.
+        YangModule yangNode = (YangModule) node;
+        assertThat(yangNode.getName(), is("Test"));
+
+        ListIterator<YangLeafList> leafListIterator = yangNode.getListOfLeafList().listIterator();
+        YangLeafList leafListInfo = leafListIterator.next();
+
+        assertThat(leafListInfo.getLeafName(), is("invalid-interval"));
+        assertThat(leafListInfo.getMinElements(), is(0));
+    }
 }
\ No newline at end of file

@@ -259,4 +259,31 @@ public class StatusListenerTest {
         assertThat(leafListInfo.isConfig(), is(true));
         assertThat(leafListInfo.getStatus(), is(YangStatusType.CURRENT));
     }
+
+    /**
+     * Checks default value of status statement.
+     */
+    @Test
+    public void processStatusDefaultValue() throws IOException, ParserException {
+
+        YangNode node = manager.getDataModel("src/test/resources/StatusDefaultValue.yang");
+
+        // Check whether the data model tree returned is of type module.
+        assertThat((node instanceof YangModule), is(true));
+
+        // Check whether the node type is set properly to module.
+        assertThat(node.getNodeType(), is(YangNodeType.MODULE_NODE));
+
+        // Check whether the module name is set correctly.
+        YangModule yangNode = (YangModule) node;
+        assertThat(yangNode.getName(), is("Test"));
+
+        ListIterator<YangLeafList> leafListIterator = yangNode.getListOfLeafList().listIterator();
+        YangLeafList leafListInfo = leafListIterator.next();
+
+        // Check whether status is set correctly.
+        assertThat(leafListInfo.getLeafName(), is("invalid-interval"));
+        assertThat(leafListInfo.isConfig(), is(true));
+        assertThat(leafListInfo.getStatus(), is(YangStatusType.CURRENT));
+    }
 }
\ No newline at end of file

+module Test {
+    yang-version 1;
+    namespace http://huawei.com;
+    prefix Ant;
+    leaf-list invalid-interval {
+       type "uint16";
+    }
+}

+module Test {
+    yang-version 1;
+    namespace http://huawei.com;
+    prefix Ant;
+    leaf-list invalid-interval {
+       type "uint16";
+    }
+}

+module Test {
+    yang-version 1;
+    namespace http://huawei.com;
+    prefix Ant;
+    leaf-list invalid-interval {
+        type "uint16";
+        units "seconds";
+        description "Interval before a route is declared invalid";
+        config true;
+        reference "RFC 6020";
+    }
+}