package com.alibaba.druid.bvt.sql;
import junit.framework.TestCase;
import org.junit.Assert;
import com.alibaba.druid.sql.ast.expr.SQLUnaryExpr;
import com.alibaba.druid.sql.dialect.oracle.parser.OracleExprParser;
public class EqualTest_unary extends TestCase {
public void test_exits() throws Exception {
String sql = "-a";
String sql_c = "-(a+1 + +(b+1))";
SQLUnaryExpr exprA, exprB, exprC;
{
OracleExprParser parser = new OracleExprParser(sql);
exprA = (SQLUnaryExpr) parser.expr();
}
{
OracleExprParser parser = new OracleExprParser(sql);
exprB = (SQLUnaryExpr) parser.expr();
}
{
OracleExprParser parser = new OracleExprParser(sql_c);
exprC = (SQLUnaryExpr) parser.expr();
}
Assert.assertEquals(exprA, exprB);
Assert.assertNotEquals(exprA, exprC);
Assert.assertTrue(exprA.equals(exprA));
Assert.assertFalse(exprA.equals(new Object()));
Assert.assertEquals(exprA.hashCode(), exprB.hashCode());
Assert.assertEquals(new SQLUnaryExpr(), new SQLUnaryExpr());
Assert.assertEquals(new SQLUnaryExpr().hashCode(), new SQLUnaryExpr().hashCode());
}
}