Groovy example source code file (IntRangeTest.java)

This example Groovy source code file (IntRangeTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Groovy tags/keywords

comparable, illegalargumentexception, illegalargumentexception, integer, integer, intrange, intrange, intrangetest, intrangetest, numberrangetest, range

The Groovy IntRangeTest.java source code

/*
 * Copyright 2003-2011 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package groovy.lang;

/**
 * Provides unit tests for the <code>IntRange class.
 *
 * @author James Strachan
 * @version $Revision: 21515 $
 */
public class IntRangeTest extends NumberRangeTest {

    public void testCreateTooBigRange() {
        try {
            createRange(0, Integer.MAX_VALUE);
            fail("too large range accepted");
        }
        catch (IllegalArgumentException e) {
            assertTrue("expected exception thrown", true);
        }
    }

    /**
     * Tests providing invalid arguments to the protected constructor.
     */
    public void testInvalidArgumentsToConstructor() {
        try {
            new IntRange(2, 1, true);
            fail("invalid range created");
        }
        catch (IllegalArgumentException e) {
            assertTrue("expected exception thrown", true);
        }
    }

    /**
     * Tests getting the to and from values as <code>ints.
     */
    public void testGetToFromInt() {
        final int from = 3, to = 7;
        final IntRange range = new IntRange(from, to);
        assertEquals("wrong 'from'", from, range.getFromInt());
        assertEquals("wrong 'to'", to, range.getToInt());
    }

    /**
     * {@inheritDoc}
     */
    protected Comparable createValue(int value) {
        return new Integer(value);
    }

    /**
     * {@inheritDoc}
     */
    protected Range createRange(int from, int to) {
        return new IntRange(from, to);
    }
}