支持DoPrivileged

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

@@ -0,0 +1,28 @@
+package com.alibaba.druid.bvt.filter.wall;
+
+import java.security.PrivilegedAction;
+
+import junit.framework.TestCase;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.wall.WallProvider;
+import com.alibaba.druid.wall.WallUtils;
+
+public class DoPrivilegedTest extends TestCase {
+
+    public void test_0() throws Exception {
+        Assert.assertFalse(WallUtils.isValidateMySql("select @@version_compile_os"));
+    }
+
+    public void test_1() throws Exception {
+        WallProvider.doPrivileged(new PrivilegedAction<Object>() {
+            @Override
+            public Object run() {
+                Assert.assertTrue(WallUtils.isValidateMySql("select @@version_compile_os"));
+                return null;
+            }
+        });
+
+    }
+}

src/test/java/com/alibaba/druid/sql/SQLExprParserTest.java

@@ -0,0 +1,26 @@
+package com.alibaba.druid.sql;
+
+import junit.framework.Assert;
+import junit.framework.TestCase;
+
+import com.alibaba.druid.sql.ast.expr.SQLBinaryOpExpr;
+import com.alibaba.druid.sql.ast.expr.SQLBinaryOperator;
+import com.alibaba.druid.sql.ast.expr.SQLIdentifierExpr;
+import com.alibaba.druid.sql.ast.expr.SQLIntegerExpr;
+import com.alibaba.druid.sql.parser.SQLExprParser;
+
+
+public class SQLExprParserTest extends TestCase {
+    public void test_binary() throws Exception {
+        SQLExprParser exprParser = new SQLExprParser("AGE > 5");
+        SQLBinaryOpExpr binaryOpExpr = (SQLBinaryOpExpr) exprParser.expr();
+        
+        Assert.assertEquals(SQLBinaryOperator.GreaterThan, binaryOpExpr.getOperator());
+        
+        SQLIdentifierExpr left = (SQLIdentifierExpr) binaryOpExpr.getLeft();
+        SQLIntegerExpr right = (SQLIntegerExpr) binaryOpExpr.getRight();
+        
+        Assert.assertEquals("AGE", left.getName());
+        Assert.assertEquals(5, right.getNumber().intValue());
+    }
+}