完善mock和测试

git-svn-id: http://code.alibabatech.com/svn/druid/trunk@786 b9813039-fb51-4c41-a8b9-e21c2acb5095

src/main/java/com/alibaba/druid/mock/MockResultSet.java

@@ -739,41 +739,58 @@ public class MockResultSet implements ResultSet {
 
     @Override
     public void insertRow() throws SQLException {
-
+        if (closed) {
+            throw new SQLException("resultSet closed");
+        }
     }
 
     @Override
     public void updateRow() throws SQLException {
-
+        if (closed) {
+            throw new SQLException("resultSet closed");
+        }
     }
 
     @Override
     public void deleteRow() throws SQLException {
-
+        if (closed) {
+            throw new SQLException("resultSet closed");
+        }
     }
 
     @Override
     public void refreshRow() throws SQLException {
-
+        if (closed) {
+            throw new SQLException("resultSet closed");
+        }
     }
 
     @Override
     public void cancelRowUpdates() throws SQLException {
-
+        if (closed) {
+            throw new SQLException("resultSet closed");
+        }
     }
 
     @Override
     public void moveToInsertRow() throws SQLException {
-
+        if (closed) {
+            throw new SQLException("resultSet closed");
+        }
     }
 
     @Override
     public void moveToCurrentRow() throws SQLException {
-
+        if (closed) {
+            throw new SQLException("resultSet closed");
+        }
     }
 
     @Override
     public Statement getStatement() throws SQLException {
+        if (closed) {
+            throw new SQLException("resultSet closed");
+        }
         return statement;
     }
 
@@ -909,14 +926,12 @@ public class MockResultSet implements ResultSet {
 
     @Override
     public RowId getRowId(int columnIndex) throws SQLException {
-
-        return null;
+        return (RowId) getObject(columnIndex);
     }
 
     @Override
     public RowId getRowId(String columnLabel) throws SQLException {
-
-        return null;
+        return (RowId) getObject(columnLabel);
     }
 
     @Override
@@ -931,14 +946,16 @@ public class MockResultSet implements ResultSet {
 
     @Override
     public int getHoldability() throws SQLException {
-
+        if (closed) {
+            throw new SQLException("resultSet closed");
+        }
+        
         return 0;
     }
 
     @Override
     public boolean isClosed() throws SQLException {
-
-        return false;
+        return closed;
     }
 
     @Override

src/main/java/com/alibaba/druid/pool/PoolableResultSet.java

@@ -1073,12 +1073,8 @@ public final class PoolableResultSet extends PoolableWrapper implements ResultSe
     }
 
     @Override
-    public Statement getStatement() throws SQLException {
-        try {
-            return stmt;
-        } catch (Throwable t) {
-            throw checkException(t);
-        }
+    public Statement getStatement() {
+        return stmt;
     }
 
     @Override