KeyIdUtilTest.java

/*
 * Copyright 2009 Amit Levy, Jeff Prouty, Rylan Hawkins
 * 
 * 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 edu.washington.cs.cse490h.donut.util;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import org.junit.Test;

import edu.washington.cs.cse490h.donut.business.KeyId;

/**
 * @author alevy
 */
public class KeyIdUtilTest {

    @Test
    public void testIsAfterXButBeforeY_AllPositive() throws Exception {
        assertTrue(KeyIdUtil.isAfterXButBeforeOrEqualY(7, 2, 11));
        assertFalse(KeyIdUtil.isAfterXButBeforeOrEqualY(12, 2, 11));
        assertTrue(KeyIdUtil.isAfterXButBeforeOrEqualY(15, 12, 11));
        assertTrue(KeyIdUtil.isAfterXButBeforeOrEqualY(2, 12, 11));
        assertFalse(KeyIdUtil.isAfterXButBeforeOrEqualY(12, 13, 11));
    }

    @Test
    public void testIsAfterXButBeforeY_AllNegative() throws Exception {
        assertTrue(KeyIdUtil.isAfterXButBeforeOrEqualY(-7, -11, -2));
        assertFalse(KeyIdUtil.isAfterXButBeforeOrEqualY(-12, -11, -2));
        assertTrue(KeyIdUtil.isAfterXButBeforeOrEqualY(-15, -11, -12));
        assertTrue(KeyIdUtil.isAfterXButBeforeOrEqualY(-2, -11, -12));
        assertFalse(KeyIdUtil.isAfterXButBeforeOrEqualY(-12, -11, -13));
    }

    @Test
    public void testIsAfterXButBeforeY_XNegativeYAndIdPositive() throws Exception {
        assertTrue(KeyIdUtil.isAfterXButBeforeOrEqualY(4, -11, 8));
        assertFalse(KeyIdUtil.isAfterXButBeforeOrEqualY(8, -11, 4));
    }

    @Test
    public void testIsAfterXButBeforeY_YNegativeXAndIdPositive() throws Exception {
        assertTrue(KeyIdUtil.isAfterXButBeforeOrEqualY(11, 8, -4));
        assertFalse(KeyIdUtil.isAfterXButBeforeOrEqualY(8, 11, -4));
    }

    @Test
    public void testIsAfterXButBeforeY_IdNegativeYAndXPositive() throws Exception {
        assertTrue(KeyIdUtil.isAfterXButBeforeOrEqualY(-11, 8, 4));
        assertFalse(KeyIdUtil.isAfterXButBeforeOrEqualY(-11, 4, 8));
    }

    @Test
    public void testIsAfterXButBeforeY_XAndYNegativeIdPositive() throws Exception {
        assertTrue(KeyIdUtil.isAfterXButBeforeOrEqualY(11, -4, -8));
        assertFalse(KeyIdUtil.isAfterXButBeforeOrEqualY(11, -8, -4));
    }

    @Test
    public void testIsAfterXButBeforeY_XAndIdNegativeYPositive() throws Exception {
        assertTrue(KeyIdUtil.isAfterXButBeforeOrEqualY(-4, -11, 8));
        assertFalse(KeyIdUtil.isAfterXButBeforeOrEqualY(-11, -4, 8));
    }

    @Test
    public void testIsAfterXButBeforeY_YAndIdNegativeXPositive() throws Exception {
        assertTrue(KeyIdUtil.isAfterXButBeforeOrEqualY(-11, 4, -8));
        assertFalse(KeyIdUtil.isAfterXButBeforeOrEqualY(-4, 11, -8));
    }

    @Test
    public void testGenerateKeyId() throws Exception {
        KeyId expected = new KeyId(-7136519034228736278L);
        assertEquals(expected, KeyIdUtil.generateKeyId("hello world"));
    }

}