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package uk.ac.starlink.fits;
import junit.framework.TestCase;
import nom.tam.fits.HeaderCard;
import nom.tam.fits.HeaderCardException;
public class TamfitsTest extends TestCase {
public void testString() throws Exception {
// These tests test bugfixes made to the starjava fork
// of nom.tam.fits. If they fail on other nom.tam.fits
// versions, those versions should be fixed.
String name = "DUMMY";
String txt = repeat( "1234567890", 8 );
String comm = null;
for ( int i = 0; i < 69; i++ ) {
HeaderCard card =
new HeaderCard( name, txt.substring( 0, i ), comm );
checkStringCard( card );
}
assertEquals( '\'', new HeaderCard( name, txt.substring( 0, 68 ), comm )
.toString().charAt( 79 ) );
try {
new HeaderCard( name, txt.substring( 0, 69 ), comm );
fail();
}
catch ( HeaderCardException e ) {
// ok
}
{
String qtxt = repeat( "C'thalpa ", 6 ) + "12345678";
HeaderCard qcard = new HeaderCard( name, qtxt, comm );
checkStringCard( qcard );
assertEquals( 80, qcard.toString().length() );
try {
new HeaderCard( name, qtxt + "X", comm );
fail();
}
catch ( HeaderCardException e ) {
// ok
}
}
String atxt = "Cyaeghad";
{
HeaderCard acard = new HeaderCard( name, atxt, comm );
checkStringCard( acard );
}
{
String ltxt = repeat( "1234567890", 6 ) + atxt;
HeaderCard lcard = new HeaderCard( name, ltxt, comm );
checkStringCard( lcard );
assertEquals( 80, lcard.toString().length() );
}
}
private void checkStringCard( HeaderCard card ) {
String image = card.toString();
assertEquals( 80, image.length() );
assertEquals( '=', image.charAt( 8 ) );
assertEquals( ' ', image.charAt( 9 ) );
assertEquals( '\'', image.charAt( 10 ) );
assertEquals( '\'', image.charAt( image.trim().length() - 1 ) );
for ( int ic = 0; ic < 80; ic++ ) {
char c = image.charAt( ic );
assertTrue( "Disallowed character: " + c + " in " + image,
c >= 0x20 && c <= 0x7e );
}
}
private static String repeat( String txt, int count ) {
StringBuffer sbuf = new StringBuffer( txt.length() * count );
for ( int i = 0; i < count; i++ ) {
sbuf.append( txt );
}
return sbuf.toString();
}
}
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