package net.sf.jsqlparser.parser;

import net.sf.jsqlparser.expression.Expression;
import net.sf.jsqlparser.expression.LongValue;
import net.sf.jsqlparser.expression.Parenthesis;
import net.sf.jsqlparser.expression.operators.arithmetic.Addition;
import net.sf.jsqlparser.expression.operators.arithmetic.Multiplication;
import net.sf.jsqlparser.schema.Column;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import static org.junit.Assert.*;

/**
 *
 * @author toben
 */
public class CCJSqlParserUtilTest {

    public CCJSqlParserUtilTest() {
    }

    @BeforeClass
    public static void setUpClass() {
    }

    @AfterClass
    public static void tearDownClass() {
    }

    @Before
    public void setUp() {
    }

    @After
    public void tearDown() {
    }

    /**
     * Test of parseExpression method, of class CCJSqlParserUtil.
     */
    @Test
    public void testParseExpression() throws Exception {
        Expression result = CCJSqlParserUtil.parseExpression("a+b");
        assertEquals("a + b", result.toString());
        assertTrue(result instanceof Addition);
        Addition add = (Addition) result;
        assertTrue(add.getLeftExpression() instanceof Column);
        assertTrue(add.getRightExpression() instanceof Column);
    }

    @Test
    public void testParseExpression2() throws Exception {
        Expression result = CCJSqlParserUtil.parseExpression("2*(a+6.0)");
        assertEquals("2 * (a + 6.0)", result.toString());
        assertTrue(result instanceof Multiplication);
        Multiplication mult = (Multiplication) result;
        assertTrue(mult.getLeftExpression() instanceof LongValue);
        assertTrue(mult.getRightExpression() instanceof Parenthesis);
    }

    @Test
    public void testParseCondExpression() throws Exception {
        Expression result = CCJSqlParserUtil.parseCondExpression("a+b>5 and c<3");
        assertEquals("a + b > 5 AND c < 3", result.toString());
    }
}
