basiccodectest.java

FMJ（freedom media for java)是java视频开发的新选择

package net.sf.fmj.test.compat.sun;

import javax.media.Buffer;
import javax.media.Format;
import javax.media.ResourceUnavailableException;
import javax.media.format.RGBFormat;
import javax.media.format.YUVFormat;

import net.sf.fmj.test.tracing.TracingBuffer;
import net.sf.fmj.test.tracing.TracingFormat;

import junit.framework.TestCase;

import com.sun.media.BasicCodec;

/**
 * 
 * @author Ken Larson
 *
 */
public class BasicCodecTest extends TestCase
{

	public void testIOFormats1()
	{
		final MyBasicCodec c = new MyBasicCodec();
		assertEquals(c.doGetInputFormat(), null);
		assertEquals(c.doGetOutputFormat(), null);
		{
			final Format f1 = new Format("abc");
			final Format f1res = c.setInputFormat(f1);
			assertTrue(f1 == f1res);
			assertTrue(c.doGetInputFormat() == f1);
			assertEquals(c.doGetOutputFormat(), null);		
			final Format f2 = new Format("xyz");
			final Format f2res = c.setOutputFormat(f2);
			assertTrue(f2 == f2res);
			assertTrue(c.doGetInputFormat() == f1);
			assertTrue(c.doGetOutputFormat() == f2);		
		}
		
		
		
	}
	
	public void testIOFormats2()
	{
		final MyBasicCodec c = new MyBasicCodec();
		
		// TODO: any checking against supported i/o formats?
		// TODO: any checking against getSupportedOutputFormats - does not appear to call.
		
		assertTrue(c.getSupportedInputFormats().length == 0);
		assertTrue(c.getOutputFormats().length == 0);
		
		final Format[] fs = new Format[]{
				new Format("abcd")
		};
		c.setOutputFormats(fs);
		assertTrue(c.getOutputFormats() == fs);
		
		{
			final Format f1 = new Format("abc");
			final Format f1res = c.setInputFormat(f1);
			assertTrue(f1 == f1res);
			assertTrue(c.doGetInputFormat() == f1);
			assertEquals(c.doGetOutputFormat(), null);		
			final Format f2 = new Format("xyz");
			final Format f2res = c.setOutputFormat(f2);
			assertTrue(f2 == f2res);
			assertTrue(c.doGetInputFormat() == f1);
			assertTrue(c.doGetOutputFormat() == f2);		
		}
		
	}
	
	public void testArrayElementSize()
	{
		final MyBasicCodec c = new MyBasicCodec();
		assertTrue(c.doGetArrayElementSize(byte[].class) == 1);
		assertTrue(c.doGetArrayElementSize(int[].class) == 4);
		assertTrue(c.doGetArrayElementSize(short[].class) == 2);
		assertTrue(c.doGetArrayElementSize(long[].class) == 0);
		assertTrue(c.doGetArrayElementSize(byte.class) == 0);
				
		assertFalse(c.isOpened());
		
	}
	
	public void testOpened() throws ResourceUnavailableException
	{
		final MyBasicCodec c = new MyBasicCodec();
		assertFalse(c.isOpened());
		c.open();
		assertTrue(c.isOpened());
		c.close();
		assertFalse(c.isOpened());
		c.open();
		assertTrue(c.isOpened());
		
		{
			final String s1 = c.dumpToString();
			c.reset();
			final String s2 = c.dumpToString();
			assertEquals(s1, s2);
		}
		
		assertTrue(c.isOpened());
		c.close();
		assertFalse(c.isOpened());
		{
			final String s1 = c.dumpToString();
			c.reset();
			final String s2 = c.dumpToString();
			assertEquals(s1, s2);
		}
		assertFalse(c.isOpened());
		
		
		
	}
	
	public void testReset() throws ResourceUnavailableException
	{
		final MyBasicCodec c = new MyBasicCodec();
		
		// what does reset do?
		
		final Format[] formats = new Format[] {null, new Format("abc")};
		final boolean[] booleanValues = new boolean[] {true, false};
		
		for (int i = 0; i < formats.length; ++i)
		for (int j = 0; j < booleanValues.length; ++j)
		for (int k = 0; k < booleanValues.length; ++k)
		{
			final Format f = formats[i];
			final boolean open = booleanValues[j];
			final boolean eom = booleanValues[k];
		
			{
				final String s1 = c.dumpToString();
				c.reset();
				final String s2 = c.dumpToString();
				assertEquals(s1, s2);
			}
		
			c.setInputFormat(f);

			{
				final String s1 = c.dumpToString();
				c.reset();
				final String s2 = c.dumpToString();
				assertEquals(s1, s2);
			}
		
			if (open)
				c.open();
			else
				c.close();
		
			{
				final String s1 = c.dumpToString();
				c.reset();
				final String s2 = c.dumpToString();
				assertEquals(s1, s2);
			}
			
			c.setPendingEOM(eom);

			{
				final String s1 = c.dumpToString();
				c.reset();
				final String s2 = c.dumpToString();
				assertEquals(s1, s2);
			}
		}


		
		
	}
	

	
	public void testEOM() throws ResourceUnavailableException
	{
		// reset does not affect eom:
		{
			final MyBasicCodec c = new MyBasicCodec();
			assertEquals(c.getPendingEOM(), false);
			c.setPendingEOM(true);
			assertEquals(c.getPendingEOM(), true);
			{
				final String s1 = c.dumpToString();
				c.reset();
				final String s2 = c.dumpToString();
				assertEquals(s1, s2);
			}
			assertEquals(c.getPendingEOM(), true);
		}
		
		{
			final MyBasicCodec c = new MyBasicCodec();
			assertEquals(c.getPendingEOM(), false);
			assertEquals(c.getPendingEOM(), false);
			{
				final String s1 = c.dumpToString();
				c.reset();
				final String s2 = c.dumpToString();
				assertEquals(s1, s2);
			}
			assertEquals(c.getPendingEOM(), false);
		}
		
//		 open does not affect eom:
		{
			final MyBasicCodec c = new MyBasicCodec();
			assertEquals(c.getPendingEOM(), false);
			c.setPendingEOM(true);
			assertEquals(c.getPendingEOM(), true);
			c.open();
			assertEquals(c.getPendingEOM(), true);
		}
		
		{
			final MyBasicCodec c = new MyBasicCodec();
			assertEquals(c.getPendingEOM(), false);
			assertEquals(c.getPendingEOM(), false);
			c.open();
			assertEquals(c.getPendingEOM(), false);
		}
		
//		 close does not affect eom:
		{
			final MyBasicCodec c = new MyBasicCodec();
			assertEquals(c.getPendingEOM(), false);
			c.setPendingEOM(true);
			assertEquals(c.getPendingEOM(), true);
			c.close();
			assertEquals(c.getPendingEOM(), true);
		}
		
		{
			final MyBasicCodec c = new MyBasicCodec();
			assertEquals(c.getPendingEOM(), false);
			assertEquals(c.getPendingEOM(), false);
			c.close();
			assertEquals(c.getPendingEOM(), false);
		}
		
	}
	
	public void testCheckFormat()
	{
		final MyBasicCodec c = new MyBasicCodec();
		assertEquals(c.doCheckFormat(null), true);
		assertEquals(c.doCheckFormat(new Format(null)), true);
		assertEquals(c.doCheckFormat(new Format("xyz")), true);
		
		c.setInputFormat(new RGBFormat());
		assertEquals(c.doCheckFormat(null), true);
		assertEquals(c.doCheckFormat(new YUVFormat()), true);
	
	
		c.setInputFormats(new Format[]{new RGBFormat()});
		assertEquals(c.doCheckFormat(null), true);
		assertEquals(c.doCheckFormat(new YUVFormat()), true);
		
		c.setOutputFormats(new Format[]{new RGBFormat()});
		assertEquals(c.doCheckFormat(null), true);
		assertEquals(c.doCheckFormat(new YUVFormat()), true);

		c.setOutputFormat(new RGBFormat());
		assertEquals(c.doCheckFormat(null), true);
		assertEquals(c.doCheckFormat(new YUVFormat()), true);
		
		{
			final TracingFormat f = new TracingFormat("zzz");
			c.doCheckFormat(f);
			assertEquals(f.getStringBuffer().toString(), "");
		}

	}
	
	public void testBufferEOM()
	{
		final MyBasicCodec c = new MyBasicCodec();
		try
		{
			c.doIsEOM(null);
			assertFalse(true);
		}
		catch (NullPointerException e)
		{
		}
		
		final Buffer b = new Buffer();
		assertFalse(c.doIsEOM(b));
		assertFalse(c.getPendingEOM());
		b.setEOM(true);
		assertFalse(c.getPendingEOM());
		assertTrue(c.doIsEOM(b));
		
		assertFalse(c.getPendingEOM());
		
		final TracingBuffer b2 = new TracingBuffer();
		assertEquals(b2.getStringBuffer().toString(), "");
		
		assertFalse(c.doIsEOM(b2));
		assertEquals(b2.getStringBuffer().toString(), "isEOM\n");
		
		c.setOutputFormat(new Format("zzz"));
		c.doPropagateEOM(b2);
		assertEquals(b2.getStringBuffer().toString(), "isEOM\nsetFormat(zzz)\nsetLength(0)\nsetOffset(0)\nsetEOM\n");
		
		//System.out.println(b2.getStringBuffer().toString());
		assertTrue(c.doIsEOM(b2));
		assertEquals(b2.getStringBuffer().toString(), "isEOM\nsetFormat(zzz)\nsetLength(0)\nsetOffset(0)\nsetEOM\nisEOM\n");
		
		assertFalse(c.getPendingEOM());
		
		assertEquals(b2.getStringBuffer().toString(), "isEOM\nsetFormat(zzz)\nsetLength(0)\nsetOffset(0)\nsetEOM\nisEOM\n");
		//System.out.println(b2.getStringBuffer().toString());
		
	}
	
	public void testUpdateOutput()
	{
		{
			final MyBasicCodec c = new MyBasicCodec();
			final TracingBuffer b = new TracingBuffer();
			final Format f = new Format("abc");
			c.doUpdateOutput(b, f, 10, 20);
			assertEquals(b.getLength(), 10);
			assertEquals(b.getOffset(), 20);
			assertTrue(b.getFormat() == f);
			//System.out.println(b.getStringBuffer().toString());
			assertEquals(b.getStringBuffer().toString(),