package com.alibaba.druid.bvt.sql.eval;
import org.junit.Assert;
import junit.framework.TestCase;
import com.alibaba.druid.sql.visitor.SQLEvalVisitorUtils;
import com.alibaba.druid.util.JdbcConstants;
public class EvalIsNullTest extends TestCase {
public void test_null() throws Exception {
Assert.assertEquals(false, SQLEvalVisitorUtils.evalExpr(JdbcConstants.MYSQL, "? is null", 0));
Assert.assertEquals(true, SQLEvalVisitorUtils.evalExpr(JdbcConstants.MYSQL, "? is null", (Object) null));
}
}