groovy-core/src/test/org/codehaus/groovy/runtime/DefaultGroovyMethodsTest.java

/*
 $Id$

 Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved.

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 ("Software"), with or without modification, are permitted provided
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    following disclaimer in the documentation and/or other
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    please contact info@codehaus.org.

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    http://groovy.codehaus.org/

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package org.codehaus.groovy.runtime;

import groovy.lang.Closure;
import groovy.util.GroovyTestCase;

import java.math.BigDecimal;
import java.math.BigInteger;
import java.net.URI;
import java.net.URL;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * @author <a href="mailto:james@coredevelopers.net">James Strachan</a>
 * @author Marc Guillemot
 * @version $Revision$
 */
public class DefaultGroovyMethodsTest extends GroovyTestCase {

    public void testPrint() throws Exception {
        Map map = new HashMap();
        map.put("bob", "drools");
        map.put("james", "geronimo");
        List list = new ArrayList();
        list.add(map);

        /** @todo fix this! */
        //assertConsoleOutput(list, "[['bob':'drools', 'james':'geronimo']]");
    }

    public void testIncrementString() throws Exception {
        String original = "z";
        String answer = DefaultGroovyMethods.next(original);

        System.out.println(answer);
        assertTrue(answer.compareTo(original) > 0);
    }

    public void testDecrementString() throws Exception {
        String original = "a";
        String answer = DefaultGroovyMethods.previous(original);

        System.out.println(answer);
        assertTrue(ScriptBytecodeAdapter.compareLessThan(answer, original));
    }

    public void testToMethods() throws Exception {
        Number n = new Long(7);

        assertEquals(DefaultGroovyMethods.toInteger("1"), new Integer(1));
        assertEquals(DefaultGroovyMethods.toInteger(n), new Integer(7));
        assertEquals(DefaultGroovyMethods.toLong("1"), new Long(1));
        assertEquals(DefaultGroovyMethods.toLong(n), new Long(7));
        assertEquals(DefaultGroovyMethods.toFloat("1"), new Float(1));
        assertEquals(DefaultGroovyMethods.toFloat(n), new Float(7));
        assertEquals(DefaultGroovyMethods.toDouble("1"), new Double(1));
        assertEquals(DefaultGroovyMethods.toDouble(n), new Double(7));
        assertEquals(DefaultGroovyMethods.toBigInteger("1"), new BigInteger("1"));
        assertEquals(DefaultGroovyMethods.toBigInteger(n), new BigInteger("7"));
        assertEquals(DefaultGroovyMethods.toBigDecimal("1"), new BigDecimal("1"));
        assertEquals(DefaultGroovyMethods.toBigDecimal(n), new BigDecimal("7"));
        assertEquals(DefaultGroovyMethods.toURL("http://example.org/"), new URL("http://example.org/"));
        assertEquals(DefaultGroovyMethods.toURI("http://example.org/"), new URI("http://example.org/"));
        assertEquals(DefaultGroovyMethods.toBoolean("True"), Boolean.TRUE);
        assertEquals(DefaultGroovyMethods.toBoolean("Y"), Boolean.TRUE);
        assertEquals(DefaultGroovyMethods.toBoolean(" y "), Boolean.TRUE);
        assertEquals(DefaultGroovyMethods.toBoolean("1"), Boolean.TRUE);
        assertEquals(DefaultGroovyMethods.toBoolean("false"), Boolean.FALSE);
        assertEquals(DefaultGroovyMethods.toBoolean("n"), Boolean.FALSE);
        assertEquals(DefaultGroovyMethods.toBoolean("0"), Boolean.FALSE);
    }


    public void testDownto() {
        final int[] count = new int[]{0};
        final Closure closure = new Closure(null) {
            public Object doCall(final Object params) {
                count[0]++;
                return null;
            }
        };

        DefaultGroovyMethods.downto(new BigInteger("1"), new BigDecimal("0"), closure);
        assertEquals(count[0], 2);

        count[0] = 0;

        DefaultGroovyMethods.downto(new BigInteger("1"), new BigDecimal("0.123"), closure);
        assertEquals(count[0], 1);
    }
}