testsounddata.java

来自「EXCEL read and write」· Java 代码 · 共 64 行

/* ====================================================================
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   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
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       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,
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   See the License for the specific language governing permissions and
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package org.apache.poi.hslf.usermodel;

import org.apache.poi.hslf.*;
import org.apache.poi.hslf.exceptions.HSLFException;
import org.apache.poi.hslf.blip.*;
import org.apache.poi.hslf.model.*;
import junit.framework.TestCase;

import java.io.*;
import java.util.Arrays;

/**
 * Test reading sound data from a ppt
 *
 * @author Yegor Kozlov
 */
public class TestSoundData extends TestCase{

    protected File cwd;

    public void setUp() throws Exception {
        cwd = new File(System.getProperty("HSLF.testdata.path"));
    }

    /**
     * Read a reference sound file from disk and compare it from the data extracted from the slide show
     */ 
    public void testSounds() throws Exception {
        //read the reference sound file
        File f = new File(cwd, "ringin.wav");
        int length = (int)f.length();
        byte[] ref_data = new byte[length];
        FileInputStream is = new FileInputStream(f);
        is.read(ref_data);
        is.close();

        is = new FileInputStream(new File(cwd, "sound.ppt"));
        SlideShow ppt = new SlideShow(is);
        is.close();

        SoundData[] sound = ppt.getSoundData();
        assertEquals("Expected 1 sound", 1, sound.length);

        assertTrue(Arrays.equals(ref_data, sound[0].getData()));
    }
}