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path: root/framework/src/ant/apache-ant-1.9.6/src/tests/junit/org/apache/tools/ant/util/DeweyDecimalTest.java
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/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information 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 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 org.apache.tools.ant.util;

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

@SuppressWarnings("ResultOfObjectAllocationIgnored")
public class DeweyDecimalTest {

    @Test public void parse() {
        assertEquals("1.2.3", new DeweyDecimal("1.2.3").toString());
    }

    @Test(expected=NumberFormatException.class) public void misparseEmpty() {
        new DeweyDecimal("1..2");
    }

    @Test(expected=NumberFormatException.class) public void misparseNonNumeric() {
        new DeweyDecimal("1.2.3-beta-5");
    }

    @Test(expected=NumberFormatException.class) public void misparseFinalDot() {
        new DeweyDecimal("1.2.");
    }

    // TODO initial dots, empty string, null, negative numbers, ...

    @Test public void testHashCode() {
        assertEquals(new DeweyDecimal("1.2.3").hashCode(), new DeweyDecimal("1.2.3").hashCode());
    }

    @Test public void testEquals() {
        assertTrue(new DeweyDecimal("1.2.3").equals(new DeweyDecimal("1.2.3")));
        assertFalse(new DeweyDecimal("1.2.3").equals(new DeweyDecimal("1.2.4")));
        assertTrue(new DeweyDecimal("1.2.0").equals(new DeweyDecimal("1.2")));
        assertTrue(new DeweyDecimal("1.2").equals(new DeweyDecimal("1.2.0")));
    }

    @Test public void compareTo() {
        assertTrue(new DeweyDecimal("1.2.3").compareTo(new DeweyDecimal("1.2")) > 0);
        assertTrue(new DeweyDecimal("1.2").compareTo(new DeweyDecimal("1.2.3")) < 0);
        assertTrue(new DeweyDecimal("1.2.3").compareTo(new DeweyDecimal("1.2.3")) == 0);
        assertTrue(new DeweyDecimal("1.2.3").compareTo(new DeweyDecimal("1.1.4")) > 0);
        assertTrue(new DeweyDecimal("1.2.3").compareTo(new DeweyDecimal("1.2.2.9")) > 0);
        assertTrue(new DeweyDecimal("1.2.0").compareTo(new DeweyDecimal("1.2")) == 0);
        assertTrue(new DeweyDecimal("1.2").compareTo(new DeweyDecimal("1.2.0")) == 0);
    }

    // TODO isGreaterThan, ...

}