refactor

src/test/java/com/alibaba/druid/bvt/sql/cobar/HintsTest.java

@@ -17,6 +17,15 @@ public class HintsTest extends TestCase {
         SQLStatement stmt = parser.parseStatementList().get(0);
         parser.match(Token.EOF);
         String output = SQLUtils.toMySqlString(stmt);
-        Assert.assertEquals("CREATE /*!32302 TEMPORARY*/ TABLE t (\n\ta INT\n)", output);
+        Assert.assertEquals("CREATE /*!32302 TEMPORARY */ TABLE t (\n\ta INT\n)", output);
+    }
+    
+    public void test_hints_1() throws Exception {
+        String sql = "SELECT /*! STRAIGHT_JOIN */ col1 FROM table1,table2";
+        MySqlStatementParser parser = new MySqlStatementParser(sql);
+        SQLStatement stmt = parser.parseStatementList().get(0);
+        parser.match(Token.EOF);
+        String output = SQLUtils.toMySqlString(stmt);
+        Assert.assertEquals("SELECT /*! STRAIGHT_JOIN */ col1\nFROM table1, table2", output);
     }
 }

src/test/java/com/alibaba/druid/bvt/sql/mysql/HelpTest.java

@@ -0,0 +1,23 @@
+package com.alibaba.druid.bvt.sql.mysql;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.sql.SQLUtils;
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
+import com.alibaba.druid.sql.parser.Token;
+
+import junit.framework.TestCase;
+
+public class HelpTest extends TestCase {
+
+    public void test_help_0() throws Exception {
+        String sql = "HELP 'contents'";
+        MySqlStatementParser parser = new MySqlStatementParser(sql);
+        SQLStatement stmt = parser.parseStatementList().get(0);
+        parser.match(Token.EOF);
+        String output = SQLUtils.toMySqlString(stmt);
+        Assert.assertEquals("HELP 'contents'", output);
+    }
+
+}