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#1712, #1857 JPEG images errors fixer

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Jindra Petřík
2022-11-04 18:06:32 +01:00
parent 097a391967
commit 61aa77c46f
5 changed files with 179 additions and 85 deletions
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95
libsrc/ffdec_lib/test/com/jpexs/helpers/JpegFixerTest.java Normal file
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/*
* Copyright (C) 2010-2021 JPEXS, All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3.0 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library.
*/
package com.jpexs.helpers;
import static com.jpexs.helpers.JpegFixer.EOI;
import static com.jpexs.helpers.JpegFixer.SOI;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import org.testng.Assert;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
/**
*
* @author JPEXS
*/
public class JpegFixerTest {
private JpegFixer fixer = new JpegFixer();
@DataProvider(name = "bytes")
public static Object[][] provideSamples() {
return new Object[][]{
{
new byte[]{(byte)0xFF, (byte)EOI, (byte)0xFF, (byte)SOI, (byte)0xFF, (byte)SOI, (byte) 0x21, (byte)0xFF, (byte)EOI},
new byte[]{(byte)0xFF, (byte)SOI, (byte) 0x21, (byte)0xFF, (byte)EOI},
},
{
new byte[]{(byte)0xFF, (byte)EOI, (byte)0xFF, (byte)SOI},
new byte[]{(byte)0xFF, (byte)EOI, (byte)0xFF, (byte)SOI},
},
{
new byte[]{(byte)0xFF, (byte)EOI, (byte)0xFF, (byte)SOI, 0x23},
new byte[]{(byte)0xFF, (byte)EOI, (byte)0xFF, (byte)SOI, 0x23},
},
{
new byte[]{(byte)0xFF, (byte)EOI},
new byte[]{(byte)0xFF, (byte)EOI},
},
{
new byte[]{(byte)0xFF},
new byte[]{(byte)0xFF},
},
{
new byte[]{(byte)0x26},
new byte[]{(byte)0x26},
},
{
new byte[]{},
new byte[]{},
},
{
new byte[]{(byte)0xFF, (byte)SOI, 0x27, 0x37, 0x47, 0x57, (byte)0xFF, (byte)EOI},
new byte[]{(byte)0xFF, (byte)SOI, 0x27, 0x37, 0x47, 0x57, (byte)0xFF, (byte)EOI}
},
{
new byte[]{(byte)0xFF, (byte)SOI, 0x28, 0x38, (byte)0xFF, (byte)EOI, (byte)0xFF, (byte)SOI, 0x48, 0x58, (byte)0xFF, (byte)EOI},
new byte[]{(byte)0xFF, (byte)SOI, 0x28, 0x38, 0x48, 0x58, (byte)0xFF, (byte)EOI}
}
};
}
@Test(dataProvider = "bytes")
public void testFixJpeg(byte[] inputData, byte[] expectedOutput) throws IOException {
JpegFixer fixer = new JpegFixer();
ByteArrayInputStream bais = new ByteArrayInputStream(inputData);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
fixer.fixJpeg(bais, baos);
byte[] actualOutput = baos.toByteArray();
try {
Assert.assertEquals(Helper.byteArrToString(actualOutput), Helper.byteArrToString(expectedOutput), "Bytes do not match");
} catch (AssertionError er) {
System.out.println("Bytes do not match:");
System.out.println("INPUT: " + Helper.byteArrToString(inputData));
System.out.println("ACTUAL OUTPUT: " + Helper.byteArrToString(actualOutput));
System.out.println("EXPECTED OUTPUT: " + Helper.byteArrToString(expectedOutput));
Assert.fail();
}
}
}