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 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
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package org.apache.cayenne.exp.parser;

import org.apache.cayenne.exp.Expression;
import org.apache.cayenne.exp.ExpressionFactory;
import org.apache.cayenne.testdo.table_primitives.TablePrimitives;
import org.junit.Test;

import static org.junit.Assert.*;

/**
 * @since 4.0
 */
public class ASTSqrtTest {
    @Test
    public void evaluateNode() throws Exception {
        ASTObjPath path = new ASTObjPath("intColumn");
        ASTSqrt abs = new ASTSqrt(path);

        TablePrimitives a = new TablePrimitives();
        a.setIntColumn(9);

        Object res = abs.evaluateNode(a);
        assertTrue(res instanceof Double);
        assertEquals(3.0, res);
    }

    @Test
    public void parseTest() throws Exception {
        String expString = "sqrt(xyz)";
        Expression exp = ExpressionFactory.exp(expString);

        assertTrue(exp instanceof ASTSqrt);
        String toString = exp.toString();
        assertEquals(expString, toString);
    }
}