log4j/src/scratchpad/testcases/org/apache/poi/hslf/record/TestExMediaAtom.java

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   this work for additional information regarding copyright ownership.
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package org.apache.poi.hslf.record;


import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;

import java.io.ByteArrayOutputStream;

import org.junit.jupiter.api.Test;

/**
 * Tests that {@link org.apache.poi.hslf.record.HeadersFootersAtom} works properly
 */
public final class TestExMediaAtom {
	// From a real file
	private static final byte[] data = {
			0x00, 0x00, (byte)0x04, 0x10, 0x08, 0x00, 0x00, 0,
			0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };

	@Test
	void testRead() {
		ExMediaAtom record = new ExMediaAtom(data, 0, data.length);
		assertEquals(RecordTypes.ExMediaAtom.typeID, record.getRecordType());

		assertEquals(1, record.getObjectId());
		assertFalse(record.getFlag(ExMediaAtom.fLoop));
		assertFalse(record.getFlag(ExMediaAtom.fNarration));
		assertFalse(record.getFlag(ExMediaAtom.fRewind));
	}

	@Test
	void testWrite() throws Exception {
		ExMediaAtom record = new ExMediaAtom(data, 0, data.length);
		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		record.writeOut(baos);
		byte[] b = baos.toByteArray();

		assertArrayEquals(data, b);
	}

	@Test
	void testNewRecord() throws Exception {
		ExMediaAtom ref = new ExMediaAtom(data, 0, data.length);
		assertEquals(0, ref.getMask()); //

		ExMediaAtom record = new ExMediaAtom();
		record.setObjectId(1);
		record.setFlag(HeadersFootersAtom.fHasDate, false);
		record.setFlag(HeadersFootersAtom.fHasTodayDate, false);
		record.setFlag(HeadersFootersAtom.fHasFooter, false);

		ByteArrayOutputStream baos = new ByteArrayOutputStream();
		record.writeOut(baos);
		byte[] b = baos.toByteArray();

		assertArrayEquals(data, b);
	}

	@Test
	void testFlags() {
		ExMediaAtom record = new ExMediaAtom();

		//in a new record all the bits are 0
		for(int i = 0; i < 3; i++) assertFalse(record.getFlag(1 << i));

		record.setFlag(ExMediaAtom.fLoop, true);
		assertTrue(record.getFlag(ExMediaAtom.fLoop));

		record.setFlag(ExMediaAtom.fNarration, true);
		assertTrue(record.getFlag(ExMediaAtom.fNarration));

		record.setFlag(ExMediaAtom.fNarration, false);
		assertFalse(record.getFlag(ExMediaAtom.fNarration));

		record.setFlag(ExMediaAtom.fNarration, false);
		assertFalse(record.getFlag(ExMediaAtom.fNarration));

	}
}