filenameutilstestcase.java

java 的io 操作类 java 的io 操作类

/*
 * 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.commons.io;

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;

import junit.framework.Test;
import junit.framework.TestSuite;
import junit.textui.TestRunner;

import org.apache.commons.io.testtools.FileBasedTestCase;

/**
 * This is used to test FilenameUtils for correctness.
 *
 * @author Peter Donald
 * @author Matthew Hawthorne
 * @author Martin Cooper
 * @version $Id: FilenameUtilsTestCase.java 592606 2007-11-07 04:17:01Z niallp $
 * @see FilenameUtils
 */
public class FilenameUtilsTestCase extends FileBasedTestCase {
    
    private static final String SEP = "" + File.separatorChar;
    private static final boolean WINDOWS = (File.separatorChar == '\\');

    private File testFile1;
    private File testFile2;

    private static int testFile1Size;
    private static int testFile2Size;

    public static void main(String[] args) {
        TestRunner.run(suite());
    }

    public static Test suite() {
        return new TestSuite(FilenameUtilsTestCase.class);
    }

    public FilenameUtilsTestCase(String name) throws IOException {
        super(name);

        testFile1 = new File(getTestDirectory(), "file1-test.txt");
        testFile2 = new File(getTestDirectory(), "file1a-test.txt");

        testFile1Size = (int)testFile1.length();
        testFile2Size = (int)testFile2.length();
    }

    /** @see junit.framework.TestCase#setUp() */
    protected void setUp() throws Exception {
        getTestDirectory().mkdirs();
        createFile(testFile1, testFile1Size);
        createFile(testFile2, testFile2Size);
        FileUtils.deleteDirectory(getTestDirectory());
        getTestDirectory().mkdirs();
        createFile(testFile1, testFile1Size);
        createFile(testFile2, testFile2Size);
    }

    /** @see junit.framework.TestCase#tearDown() */
    protected void tearDown() throws Exception {
        FileUtils.deleteDirectory(getTestDirectory());
    }

    //-----------------------------------------------------------------------
    public void testNormalize() throws Exception {
        assertEquals(null, FilenameUtils.normalize(null));
        assertEquals(null, FilenameUtils.normalize(":"));
        assertEquals(null, FilenameUtils.normalize("1:\\a\\b\\c.txt"));
        assertEquals(null, FilenameUtils.normalize("1:"));
        assertEquals(null, FilenameUtils.normalize("1:a"));
        assertEquals(null, FilenameUtils.normalize("\\\\\\a\\b\\c.txt"));
        assertEquals(null, FilenameUtils.normalize("\\\\a"));
        
        assertEquals("a" + SEP + "b" + SEP + "c.txt", FilenameUtils.normalize("a\\b/c.txt"));
        assertEquals("" + SEP + "a" + SEP + "b" + SEP + "c.txt", FilenameUtils.normalize("\\a\\b/c.txt"));
        assertEquals("C:" + SEP + "a" + SEP + "b" + SEP + "c.txt", FilenameUtils.normalize("C:\\a\\b/c.txt"));
        assertEquals("" + SEP + "" + SEP + "server" + SEP + "a" + SEP + "b" + SEP + "c.txt", FilenameUtils.normalize("\\\\server\\a\\b/c.txt"));
        assertEquals("~" + SEP + "a" + SEP + "b" + SEP + "c.txt", FilenameUtils.normalize("~\\a\\b/c.txt"));
        assertEquals("~user" + SEP + "a" + SEP + "b" + SEP + "c.txt", FilenameUtils.normalize("~user\\a\\b/c.txt"));
        
        assertEquals("a" + SEP + "c", FilenameUtils.normalize("a/b/../c"));
        assertEquals("c", FilenameUtils.normalize("a/b/../../c"));
        assertEquals("c" + SEP, FilenameUtils.normalize("a/b/../../c/"));
        assertEquals(null, FilenameUtils.normalize("a/b/../../../c"));
        assertEquals("a" + SEP, FilenameUtils.normalize("a/b/.."));
        assertEquals("a" + SEP, FilenameUtils.normalize("a/b/../"));
        assertEquals("", FilenameUtils.normalize("a/b/../.."));
        assertEquals("", FilenameUtils.normalize("a/b/../../"));
        assertEquals(null, FilenameUtils.normalize("a/b/../../.."));
        assertEquals("a" + SEP + "d", FilenameUtils.normalize("a/b/../c/../d"));
        assertEquals("a" + SEP + "d" + SEP, FilenameUtils.normalize("a/b/../c/../d/"));
        assertEquals("a" + SEP + "b" + SEP + "d", FilenameUtils.normalize("a/b//d"));
        assertEquals("a" + SEP + "b" + SEP, FilenameUtils.normalize("a/b/././."));
        assertEquals("a" + SEP + "b" + SEP, FilenameUtils.normalize("a/b/./././"));
        assertEquals("a" + SEP, FilenameUtils.normalize("./a/"));
        assertEquals("a", FilenameUtils.normalize("./a"));
        assertEquals("", FilenameUtils.normalize("./"));
        assertEquals("", FilenameUtils.normalize("."));
        assertEquals(null, FilenameUtils.normalize("../a"));
        assertEquals(null, FilenameUtils.normalize(".."));
        assertEquals("", FilenameUtils.normalize(""));
        
        assertEquals(SEP + "a", FilenameUtils.normalize("/a"));
        assertEquals(SEP + "a" + SEP, FilenameUtils.normalize("/a/"));
        assertEquals(SEP + "a" + SEP + "c", FilenameUtils.normalize("/a/b/../c"));
        assertEquals(SEP + "c", FilenameUtils.normalize("/a/b/../../c"));
        assertEquals(null, FilenameUtils.normalize("/a/b/../../../c"));
        assertEquals(SEP + "a" + SEP, FilenameUtils.normalize("/a/b/.."));
        assertEquals(SEP + "", FilenameUtils.normalize("/a/b/../.."));
        assertEquals(null, FilenameUtils.normalize("/a/b/../../.."));
        assertEquals(SEP + "a" + SEP + "d", FilenameUtils.normalize("/a/b/../c/../d"));
        assertEquals(SEP + "a" + SEP + "b" + SEP + "d", FilenameUtils.normalize("/a/b//d"));
        assertEquals(SEP + "a" + SEP + "b" + SEP, FilenameUtils.normalize("/a/b/././."));
        assertEquals(SEP + "a", FilenameUtils.normalize("/./a"));
        assertEquals(SEP + "", FilenameUtils.normalize("/./"));
        assertEquals(SEP + "", FilenameUtils.normalize("/."));
        assertEquals(null, FilenameUtils.normalize("/../a"));
        assertEquals(null, FilenameUtils.normalize("/.."));
        assertEquals(SEP + "", FilenameUtils.normalize("/"));
        
        assertEquals("~" + SEP + "a", FilenameUtils.normalize("~/a"));
        assertEquals("~" + SEP + "a" + SEP, FilenameUtils.normalize("~/a/"));
        assertEquals("~" + SEP + "a" + SEP + "c", FilenameUtils.normalize("~/a/b/../c"));
        assertEquals("~" + SEP + "c", FilenameUtils.normalize("~/a/b/../../c"));
        assertEquals(null, FilenameUtils.normalize("~/a/b/../../../c"));
        assertEquals("~" + SEP + "a" + SEP, FilenameUtils.normalize("~/a/b/.."));
        assertEquals("~" + SEP + "", FilenameUtils.normalize("~/a/b/../.."));
        assertEquals(null, FilenameUtils.normalize("~/a/b/../../.."));
        assertEquals("~" + SEP + "a" + SEP + "d", FilenameUtils.normalize("~/a/b/../c/../d"));
        assertEquals("~" + SEP + "a" + SEP + "b" + SEP + "d", FilenameUtils.normalize("~/a/b//d"));
        assertEquals("~" + SEP + "a" + SEP + "b" + SEP, FilenameUtils.normalize("~/a/b/././."));
        assertEquals("~" + SEP + "a", FilenameUtils.normalize("~/./a"));
        assertEquals("~" + SEP, FilenameUtils.normalize("~/./"));
        assertEquals("~" + SEP, FilenameUtils.normalize("~/."));
        assertEquals(null, FilenameUtils.normalize("~/../a"));
        assertEquals(null, FilenameUtils.normalize("~/.."));
        assertEquals("~" + SEP, FilenameUtils.normalize("~/"));
        assertEquals("~" + SEP, FilenameUtils.normalize("~"));
        
        assertEquals("~user" + SEP + "a", FilenameUtils.normalize("~user/a"));
        assertEquals("~user" + SEP + "a" + SEP, FilenameUtils.normalize("~user/a/"));
        assertEquals("~user" + SEP + "a" + SEP + "c", FilenameUtils.normalize("~user/a/b/../c"));
        assertEquals("~user" + SEP + "c", FilenameUtils.normalize("~user/a/b/../../c"));
        assertEquals(null, FilenameUtils.normalize("~user/a/b/../../../c"));
        assertEquals("~user" + SEP + "a" + SEP, FilenameUtils.normalize("~user/a/b/.."));
        assertEquals("~user" + SEP + "", FilenameUtils.normalize("~user/a/b/../.."));
        assertEquals(null, FilenameUtils.normalize("~user/a/b/../../.."));
        assertEquals("~user" + SEP + "a" + SEP + "d", FilenameUtils.normalize("~user/a/b/../c/../d"));
        assertEquals("~user" + SEP + "a" + SEP + "b" + SEP + "d", FilenameUtils.normalize("~user/a/b//d"));
        assertEquals("~user" + SEP + "a" + SEP + "b" + SEP, FilenameUtils.normalize("~user/a/b/././."));
        assertEquals("~user" + SEP + "a", FilenameUtils.normalize("~user/./a"));
        assertEquals("~user" + SEP + "", FilenameUtils.normalize("~user/./"));
        assertEquals("~user" + SEP + "", FilenameUtils.normalize("~user/."));
        assertEquals(null, FilenameUtils.normalize("~user/../a"));
        assertEquals(null, FilenameUtils.normalize("~user/.."));
        assertEquals("~user" + SEP, FilenameUtils.normalize("~user/"));
        assertEquals("~user" + SEP, FilenameUtils.normalize("~user"));
        
        assertEquals("C:" + SEP + "a", FilenameUtils.normalize("C:/a"));
        assertEquals("C:" + SEP + "a" + SEP, FilenameUtils.normalize("C:/a/"));
        assertEquals("C:" + SEP + "a" + SEP + "c", FilenameUtils.normalize("C:/a/b/../c"));
        assertEquals("C:" + SEP + "c", FilenameUtils.normalize("C:/a/b/../../c"));
        assertEquals(null, FilenameUtils.normalize("C:/a/b/../../../c"));
        assertEquals("C:" + SEP + "a" + SEP, FilenameUtils.normalize("C:/a/b/.."));
        assertEquals("C:" + SEP + "", FilenameUtils.normalize("C:/a/b/../.."));