@Test
public void testreadWriteHdu() throws Exception {
byte[] undefinedData = new byte[1000];
for (int index = 0; index < undefinedData.length; index++) {
undefinedData[index] = (byte) index;
}
UndefinedData data = UndefinedHDU.encapsulate(undefinedData);
Header header = new Header();
header.pointToData(data);
UndefinedHDU hdu = new UndefinedHDU(header, data);
hdu.getHeader().deleteKey("EXTEND");
BufferedFile stream = new BufferedFile("target/rewriteHduTest.bin", "rw");
hdu.write(stream);
stream.close();
stream = new BufferedFile("target/rewriteHduTest.bin", "rw");
data = UndefinedHDU.encapsulate(new byte[0]);
hdu = new UndefinedHDU(new Header(data), data);
hdu.read(stream);
hdu.addValue("TESTER", "WRITE", null);
hdu.rewrite();
hdu.reset();
hdu.read(stream);
hdu.getHeader().getStringValue("TESTER");
byte[] rereadUndefinedData = (byte[]) hdu.getData().getData();
Assert.assertArrayEquals(undefinedData, rereadUndefinedData);
}
@Test
public void testFitsUndefinedHdu4() throws Exception {
Fits fits1 = makeAsciiTable();
fits1.read();
byte[] undefinedData = new byte[1000];
for (int index = 0; index < undefinedData.length; index++) {
undefinedData[index] = (byte) index;
}
Data data = UndefinedHDU.encapsulate(undefinedData);
Header header = new Header();
header.pointToData(data);
fits1.addHDU(FitsFactory.hduFactory(header, data));
BufferedDataOutputStream os =
new BufferedDataOutputStream(new FileOutputStream("target/UndefindedHDU4.fits"));
fits1.write(os);
os.close();
Fits fits2 = new Fits("target/UndefindedHDU4.fits");
BasicHDU<?>[] hdus = fits2.read();
byte[] rereadUndefinedData =
(byte[]) ((UndefinedData) hdus[hdus.length - 1].getData()).getData();
Assert.assertArrayEquals(undefinedData, rereadUndefinedData);
ByteArrayOutputStream out = new ByteArrayOutputStream();
hdus[hdus.length - 1].info(new PrintStream(out));
String undefinedInfo = new String(out.toByteArray());
Assert.assertTrue(undefinedInfo.indexOf("Apparent size:1000") >= 0);
}