main/src/test/java/org/apache/poi/hssf/record/TestBoolErrRecord.java

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   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
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	   http://www.apache.org/licenses/LICENSE-2.0

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   distributed under the License is distributed on an "AS IS" BASIS,
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package org.apache.poi.hssf.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 org.apache.poi.util.HexRead;
import org.junit.jupiter.api.Test;

/**
 * Tests for {@link BoolErrRecord}
 */
final class TestBoolErrRecord {

	@Test
	void testError() {
		byte[] data = HexRead.readFromString(
				"00 00 00 00 0F 00 " + // row, col, xfIndex
				"07 01 " // #DIV/0!, isError
				);

		RecordInputStream in = TestcaseRecordInputStream.create(BoolErrRecord.sid, data);
		BoolErrRecord ber = new BoolErrRecord(in);
		assertTrue(ber.isError());
		assertEquals(7, ber.getErrorValue());

		TestcaseRecordInputStream.confirmRecordEncoding(BoolErrRecord.sid, data, ber.serialize());
	}

	/**
	 * Bugzilla 47479 was due to an apparent error in OOO which (as of version 3.0.1)
	 * writes the <i>value</i> field of BOOLERR records as 2 bytes instead of 1.<br>
	 * Coincidentally, the extra byte written is zero, which is exactly the value
	 * required by the <i>isError</i> field.  This probably why Excel seems to have
	 * no problem.  OOO does not have the same bug for error values (which wouldn't
	 * work by the same coincidence).
	 */
	@Test
	void testOooBadFormat_bug47479() {
		byte[] data = HexRead.readFromString(
				"05 02 09 00 " + // sid, size
				"00 00 00 00 0F 00 " + // row, col, xfIndex
				"01 00 00 " // extra 00 byte here
				);

		RecordInputStream in = TestcaseRecordInputStream.create(data);
		BoolErrRecord ber = new BoolErrRecord(in);
		boolean hasMore = in.hasNextRecord();
		assertFalse(hasMore);
		assertTrue(ber.isBoolean());
        assertTrue(ber.getBooleanValue());

		// Check that the record re-serializes correctly
		byte[] outData = ber.serialize();
		byte[] expData = HexRead.readFromString(
				"05 02 08 00 " +
				"00 00 00 00 0F 00 " +
				"01 00 " // normal number of data bytes
				);
		assertArrayEquals(expData, outData);
	}
}