/**
* this test is only for manual usage with enough memory allocated.
*
* @throws Exception
*/
@Test
@Ignore
public void testVeryBigDataFiles() throws Exception {
Fits f = new Fits();
ImageData data = new ImageData(new float[50000][50000]);
Header manufactureHeader = ImageHDU.manufactureHeader(data);
f.addHDU(FitsFactory.hduFactory(manufactureHeader, data));
BufferedFile bf = new BufferedFile("target/big.fits", "rw");
f.write(bf);
System.out.println(Arrays.toString(ArrayFuncs.getDimensions(f.getHDU(0).getData().getData())));
f = new Fits("target/big.fits");
System.out.println(Arrays.toString(ArrayFuncs.getDimensions(f.getHDU(0).getData().getData())));
}
@Test
public void testBigDataSegments() throws Exception {
ImageData data = new ImageData(new float[4][4]);
Header manufactureHeader = ImageHDU.manufactureHeader(data);
manufactureHeader.card(Standard.END).comment("");
manufactureHeader.findCard(Standard.NAXIS1).setValue(25000);
manufactureHeader.findCard(Standard.NAXIS2).setValue(25000);
long value = manufactureHeader.getDataSize();
int intValue = (int) manufactureHeader.getDataSize();
assertEquals(2500001280L, value);
Assert.assertTrue(intValue != value);
}