content: package com.alibaba.druid.bvt.sql;
  
  import com.alibaba.druid.sql.dialect.oracle.ast.expr.OracleCursorExpr;
  import com.alibaba.druid.sql.dialect.oracle.parser.OracleExprParser;
  import junit.framework.TestCase;
  
  import static org.junit.Assert.assertNotEquals;
  
  public class EqualTest_cursor extends TestCase {
      public void test_exits() throws Exception {
          String sql = "CURSOR(select id from t)";
          String sql_c = "CURSOR(select id from t1)";
          OracleCursorExpr exprA, exprB, exprC;
          {
              OracleExprParser parser = new OracleExprParser(sql);
              exprA = (OracleCursorExpr) parser.expr();
          }
          {
              OracleExprParser parser = new OracleExprParser(sql);
              exprB = (OracleCursorExpr) parser.expr();
          }
          {
              OracleExprParser parser = new OracleExprParser(sql_c);
              exprC = (OracleCursorExpr) parser.expr();
          }
          assertEquals(exprA, exprB);
          assertNotEquals(exprA, exprC);
          assertTrue(exprA.equals(exprA));
          assertFalse(exprA.equals(new Object()));
          assertEquals(exprA.hashCode(), exprB.hashCode());
  
          assertEquals(new OracleCursorExpr(), new OracleCursorExpr());
          assertEquals(new OracleCursorExpr().hashCode(), new OracleCursorExpr().hashCode());
      }
  }
  