package ucar.nc2.grib; import static org.junit.Assert.*; import static ucar.nc2.grib.GribNumbers.convertSignedByte; import static ucar.nc2.grib.GribNumbers.convertSignedByte2; import org.junit.Test; import org.junit.runner.RunWith; import org.junit.runners.JUnit4; import ucar.ma2.DataType; @RunWith(JUnit4.class) public class TestGribNumbers { @Test public void testConvertSignedByte() { System.out.printf("byte == convertSignedByte == convertSignedByte2 == hex%n"); for (int i = 125; i < 256; i++) { byte b = (byte) i; System.out.printf("%d == %d == %d == %s%n", b, convertSignedByte(b), convertSignedByte2(b), Long.toHexString((long) i)); assertEquals(convertSignedByte(b), convertSignedByte2(b)); } } @Test public void testConvertUnsigned() { int val = (int) DataType.unsignedByteToShort((byte) -200); int val2 = DataType.unsignedShortToInt((short) -200); assertNotEquals(val, val2); } }