private Fits makeAsciiTable() throws Exception {
// Create the new ASCII table.
Fits f = new Fits();
f.addHDU(Fits.makeHDU(getSampleCols(10f)));
f.addHDU(Fits.makeHDU(getSampleCols(20f)));
f.addHDU(Fits.makeHDU(getSampleCols(30f)));
f.addHDU(Fits.makeHDU(getSampleCols(40f)));
writeFile(f, TARGET_BASIC_FITS_TEST_FITS);
return new Fits(new File(TARGET_BASIC_FITS_TEST_FITS));
}
@Test
public void testHduFromHeader() throws Exception {
Header header = new Header();
header.addValue("SIMPLE", true, "");
header.addValue("BITPIX", 8, "");
header.addValue("NAXIS", 2, "");
header.addValue("NAXIS1", 4, "");
header.addValue("NAXIS3", 4, "");
ImageHDU hdu = (ImageHDU) Fits.makeHDU(header);
Assert.assertNotNull(hdu);
}
@Test
public void testFitsUndefinedHdu() throws Exception {
Fits fits1 = makeAsciiTable();
fits1.read();
byte[] undefinedData = new byte[1000];
for (int index = 0; index < undefinedData.length; index++) {
undefinedData[index] = (byte) index;
}
fits1.addHDU(Fits.makeHDU(new UndefinedData(undefinedData)));
BufferedDataOutputStream os =
new BufferedDataOutputStream(new FileOutputStream("target/UndefindedHDU.fits"));
fits1.write(os);
os.close();
Fits fits2 = new Fits("target/UndefindedHDU.fits");
BasicHDU<?>[] hdus = fits2.read();
byte[] rereadUndefinedData =
(byte[]) ((UndefinedData) hdus[hdus.length - 1].getData()).getData();
Assert.assertArrayEquals(undefinedData, rereadUndefinedData);
}