improve WallFilter

src/test/java/com/alibaba/druid/bvt/filter/wall/WallCommentTest.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright 1999-2011 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.druid.bvt.filter.wall;
+
+import junit.framework.TestCase;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.wall.spi.MySqlWallProvider;
+import com.alibaba.druid.wall.spi.OracleWallProvider;
+import com.alibaba.druid.wall.spi.SQLServerWallProvider;
+
+/**
+ * @author wenshao
+ */
+public class WallCommentTest extends TestCase {
+
+    public void testORACLE() throws Exception {
+        String sql = "SELECT F1, F2 FROM ABC --test";
+
+        OracleWallProvider provider = new OracleWallProvider();
+        Assert.assertFalse(provider.checkValid(sql));
+
+        Assert.assertEquals(1, provider.getCommentDenyStat().getDenyCount());
+    }
+    
+    public void testmysql() throws Exception {
+        String sql = "SELECT F1, F2 FROM ABC --test";
+
+        MySqlWallProvider provider = new MySqlWallProvider();
+        Assert.assertFalse(provider.checkValid(sql));
+
+        Assert.assertEquals(1, provider.getCommentDenyStat().getDenyCount());
+    }
+    
+    public void testsqlserver() throws Exception {
+        String sql = "SELECT F1, F2 FROM ABC --test";
+
+        SQLServerWallProvider provider = new SQLServerWallProvider();
+        Assert.assertFalse(provider.checkValid(sql));
+
+        Assert.assertEquals(1, provider.getCommentDenyStat().getDenyCount());
+    }
+}