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AS3: Tests
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143
trunk/test/com/jpexs/decompiler/flash/SWFStreamTest.java
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143
trunk/test/com/jpexs/decompiler/flash/SWFStreamTest.java
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package com.jpexs.decompiler.flash;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import static org.testng.Assert.*;
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import org.testng.annotations.Test;
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/**
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*
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* @author JPEXS
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*/
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public class SWFStreamTest {
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@Test
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public void testNeededBits() {
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assertEquals(SWFOutputStream.getNeededBitsU(3),2);
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assertEquals(SWFOutputStream.getNeededBitsU(255),8);
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assertEquals(SWFOutputStream.getNeededBitsS(3),3);
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assertEquals(SWFOutputStream.getNeededBitsS(255),9);
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assertEquals(SWFOutputStream.getNeededBitsS(-2),3);
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assertEquals(SWFOutputStream.getNeededBitsS(-597),11);
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assertEquals(SWFOutputStream.getNeededBitsF(15.5f),21);
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assertEquals(SWFOutputStream.getNeededBitsF(0.1f),17);
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assertEquals(SWFOutputStream.getNeededBitsF(-2.8891602f),19);
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}
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@Test
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public void testFB() throws IOException {
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double f = 5.25;
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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SWFOutputStream sos = new SWFOutputStream(baos, 10);
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sos.writeFB(20, f);
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sos.close();
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ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
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SWFInputStream sis = new SWFInputStream(bais, 10);
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assertTrue(Double.compare(f, sis.readFB(20)) == 0);
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sis.close();
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}
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@Test
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public void testUB() throws IOException {
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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SWFOutputStream sos = new SWFOutputStream(baos, 10);
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sos.writeUB(5, 1);
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sos.writeUB(6, 2);
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sos.writeUB(7, 3);
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sos.writeUB(8, 4);
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sos.writeUB(9, 5);
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sos.close();
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ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
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SWFInputStream sis = new SWFInputStream(bais, 10);
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assertEquals(1, sis.readUB(5));
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assertEquals(2, sis.readUB(6));
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assertEquals(3, sis.readUB(7));
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assertEquals(4, sis.readUB(8));
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assertEquals(5, sis.readUB(9));
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sis.close();
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}
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@Test
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public void testSB() throws IOException {
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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SWFOutputStream sos = new SWFOutputStream(baos, 10);
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sos.writeSB(5, -1);
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sos.writeSB(6, 2);
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sos.writeSB(7, -3);
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sos.writeSB(8, 4);
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sos.writeSB(9, -5);
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sos.close();
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ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
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SWFInputStream sis = new SWFInputStream(bais, 10);
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assertEquals(-1, sis.readSB(5));
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assertEquals(2, sis.readSB(6));
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assertEquals(-3, sis.readSB(7));
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assertEquals(4, sis.readSB(8));
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assertEquals(-5, sis.readSB(9));
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sis.close();
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}
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@Test
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public void testFLOATAndDouble() throws IOException {
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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SWFOutputStream sos = new SWFOutputStream(baos, 10);
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float f = 5.25f;
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sos.writeFLOAT(f);
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sos.close();
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ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
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SWFInputStream sis = new SWFInputStream(bais, 10);
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assertEquals(f, sis.readFLOAT());
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sis.close();
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baos = new ByteArrayOutputStream();
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sos = new SWFOutputStream(baos, 10);
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f = 5.25f;
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sos.writeFLOAT16(f);
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sos.close();
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bais = new ByteArrayInputStream(baos.toByteArray());
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sis = new SWFInputStream(bais, 10);
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assertEquals(f, sis.readFLOAT16());
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sis.close();
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baos = new ByteArrayOutputStream();
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sos = new SWFOutputStream(baos, 10);
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double d = 5.25;
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sos.writeDOUBLE(d);
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sos.close();
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bais = new ByteArrayInputStream(baos.toByteArray());
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sis = new SWFInputStream(bais, 10);
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assertEquals(d, sis.readDOUBLE());
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sis.close();
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}
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@Test
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public void testFIXEDandFIXED8() throws IOException {
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//example from specification
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ByteArrayInputStream bais = new ByteArrayInputStream(new byte[]{(byte) 0x00, (byte) 0x80, (byte) 0x07, (byte) 0x00});
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SWFInputStream sis = new SWFInputStream(bais, 10);
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assertTrue(Double.compare(7.5, sis.readFIXED()) == 0);
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sis.close();
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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SWFOutputStream sos = new SWFOutputStream(baos, 10);
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double dd = 5.25;
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sos.writeFIXED(dd);
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sos.close();
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bais = new ByteArrayInputStream(baos.toByteArray());
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sis = new SWFInputStream(bais, 10);
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assertTrue(Double.compare(dd, sis.readFIXED()) == 0);
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sis.close();
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baos = new ByteArrayOutputStream();
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sos = new SWFOutputStream(baos, 10);
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float ff = 5.25f;
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sos.writeFIXED8(ff);
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sos.close();
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bais = new ByteArrayInputStream(baos.toByteArray());
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sis = new SWFInputStream(bais, 10);
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assertEquals(ff, sis.readFIXED8());
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sis.close();
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}
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}
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