sql server support

src/test/java/com/alibaba/druid/bvt/sql/sqlserver/SQLServerTopTest.java

@@ -0,0 +1,26 @@
+package com.alibaba.druid.bvt.sql.sqlserver;
+
+import junit.framework.Assert;
+import junit.framework.TestCase;
+
+import com.alibaba.druid.sql.ast.statement.SQLSelectStatement;
+import com.alibaba.druid.sql.dialect.sqlserver.parser.SQLServerStatementParser;
+import com.alibaba.druid.sql.test.TestUtils;
+
+public class SQLServerTopTest extends TestCase {
+
+    public void test_isEmpty() throws Exception {
+        String sql = "SELECT TOP 10 * FROM T";
+
+        String expect = "SELECT TOP 10 *\nFROM T";
+
+        SQLServerStatementParser parser = new SQLServerStatementParser(sql);
+        SQLSelectStatement stmt = (SQLSelectStatement) parser.parseStatementList().get(0);
+
+        String text = TestUtils.outputSqlServer(stmt);
+
+        Assert.assertEquals(expect, text);
+
+        System.out.println(text);
+    }
+}