CAY_10062004_ExpTest.java

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package org.apache.cayenne.unit.jira;

import org.apache.cayenne.exp.Expression;
import org.apache.cayenne.exp.ExpressionFactory;
import org.junit.Test;

import static org.junit.Assert.assertEquals;

/**
 */
public class CAY_10062004_ExpTest {

    @Test
    public void testDeepCopy() throws Exception {

        Expression parsed = ExpressionFactory.exp("(a = 1 and a = 2) or (a != 1 and a != 2)");
        Expression finalExpression = parsed.deepCopy();

        assertEquals(parsed, finalExpression);
        assertEquals(parsed.toString(), finalExpression.toString());
    }

    @Test
    public void testAndExpOrExp() throws Exception {

        Expression parsed = ExpressionFactory.exp("(a = 1 and a = 2) or (a != 1 and a != 2)");

        Expression first = ExpressionFactory.exp("a = 1");
        Expression second = ExpressionFactory.exp("a = 2");
        Expression third = ExpressionFactory.exp("a != 1");
        Expression fourth = ExpressionFactory.exp("a != 2");

        // this internally calls "joinExp"
        Expression firstAndSecond = first.andExp(second);
        Expression thirdAndFourth = third.andExp(fourth);

        // this internally calls "joinExp"
        Expression finalExpression = firstAndSecond.orExp(thirdAndFourth);

        assertEquals(parsed, finalExpression);
        assertEquals(parsed.toString(), finalExpression.toString());
    }
}