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Jindra Petřík
2014-05-10 20:50:57 +02:00
parent 1b851e66a8
commit 199a4d0c2b
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185
test/com/jpexs/decompiler/flash/SWFStreamTest.java Normal file
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/*
* Copyright (C) 2010-2014 JPEXS
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.jpexs.decompiler.flash;
import com.jpexs.decompiler.flash.gui.Main;
import com.jpexs.decompiler.flash.types.RECT;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertTrue;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
/**
*
* @author JPEXS
*/
public class SWFStreamTest {
@BeforeClass
public void init(){
Main.initLogging(false);
}
@Test
public void testNeededBits() {
assertEquals(SWFOutputStream.getNeededBitsU(3), 2);
assertEquals(SWFOutputStream.getNeededBitsU(255), 8);
assertEquals(SWFOutputStream.getNeededBitsS(3), 3);
assertEquals(SWFOutputStream.getNeededBitsS(255), 9);
assertEquals(SWFOutputStream.getNeededBitsS(-2), 3);
assertEquals(SWFOutputStream.getNeededBitsS(-597), 11);
assertEquals(SWFOutputStream.getNeededBitsF(15.5f), 21);
assertEquals(SWFOutputStream.getNeededBitsF(0.1f), 17);
assertEquals(SWFOutputStream.getNeededBitsF(-2.8891602f), 19);
}
@Test
public void testFB() throws IOException {
double f = 5.25;
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try (SWFOutputStream sos = new SWFOutputStream(baos, 10)) {
sos.writeFB(20, f);
}
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
try (SWFInputStream sis = new SWFInputStream(bais, 10)) {
assertTrue(Double.compare(f, sis.readFB(20)) == 0);
}
}
@Test
public void testUB() throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try (SWFOutputStream sos = new SWFOutputStream(baos, 10)) {
sos.writeUB(5, 1);
sos.writeUB(6, 2);
sos.writeUB(7, 3);
sos.writeUB(8, 4);
sos.writeUB(9, 5);
}
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
try (SWFInputStream sis = new SWFInputStream(bais, 10)) {
assertEquals(1, sis.readUB(5));
assertEquals(2, sis.readUB(6));
assertEquals(3, sis.readUB(7));
assertEquals(4, sis.readUB(8));
assertEquals(5, sis.readUB(9));
}
}
@Test
public void testSB() throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try (SWFOutputStream sos = new SWFOutputStream(baos, 10)) {
sos.writeSB(5, -1);
sos.writeSB(6, 2);
sos.writeSB(7, -3);
sos.writeSB(8, 4);
sos.writeSB(9, -5);
}
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
try (SWFInputStream sis = new SWFInputStream(bais, 10)) {
assertEquals(-1, sis.readSB(5));
assertEquals(2, sis.readSB(6));
assertEquals(-3, sis.readSB(7));
assertEquals(4, sis.readSB(8));
assertEquals(-5, sis.readSB(9));
}
}
@Test
public void testFLOATAndDouble() throws IOException {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
SWFOutputStream sos = new SWFOutputStream(baos, 10);
float f = 5.25f;
sos.writeFLOAT(f);
sos.close();
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
SWFInputStream sis = new SWFInputStream(bais, 10);
assertEquals(f, sis.readFLOAT());
sis.close();
baos = new ByteArrayOutputStream();
sos = new SWFOutputStream(baos, 10);
f = 5.25f;
sos.writeFLOAT16(f);
sos.close();
bais = new ByteArrayInputStream(baos.toByteArray());
sis = new SWFInputStream(bais, 10);
assertEquals(f, sis.readFLOAT16());
sis.close();
baos = new ByteArrayOutputStream();
sos = new SWFOutputStream(baos, 10);
double d = 5.25;
sos.writeDOUBLE(d);
sos.close();
bais = new ByteArrayInputStream(baos.toByteArray());
sis = new SWFInputStream(bais, 10);
assertEquals(d, sis.readDOUBLE());
sis.close();
}
@Test
public void testFIXEDandFIXED8() throws IOException {
//example from specification
ByteArrayInputStream bais = new ByteArrayInputStream(new byte[]{(byte) 0x00, (byte) 0x80, (byte) 0x07, (byte) 0x00});
SWFInputStream sis = new SWFInputStream(bais, 10);
assertTrue(Double.compare(7.5, sis.readFIXED()) == 0);
sis.close();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
SWFOutputStream sos = new SWFOutputStream(baos, 10);
double dd = 5.25;
sos.writeFIXED(dd);
sos.close();
bais = new ByteArrayInputStream(baos.toByteArray());
sis = new SWFInputStream(bais, 10);
assertTrue(Double.compare(dd, sis.readFIXED()) == 0);
sis.close();
baos = new ByteArrayOutputStream();
sos = new SWFOutputStream(baos, 10);
float ff = 5.25f;
sos.writeFIXED8(ff);
sos.close();
bais = new ByteArrayInputStream(baos.toByteArray());
sis = new SWFInputStream(bais, 10);
assertEquals(ff, sis.readFIXED8());
sis.close();
}
@Test
public void testRECT() throws IOException {
RECT rect;
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try (SWFOutputStream sos = new SWFOutputStream(baos, 10)) {
rect = new RECT(-0x80000000, 0x7FFFFFFF, -0x80000000, 0x7FFFFFFF);
sos.writeRECT(rect);
}
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
try (SWFInputStream sis = new SWFInputStream(bais, 10)) {
RECT readRECT = sis.readRECT();
assertEquals(readRECT.Xmin, -0x3FFFFFFF);
assertEquals(readRECT.Xmax, 0x3FFFFFFF);
assertEquals(readRECT.Ymin, -0x3FFFFFFF);
assertEquals(readRECT.Ymax, 0x3FFFFFFF);
}
}
}