@Test
public void testSwapShort() {
assertEquals((short) 0, EndianUtils.swapShort((short) 0));
assertEquals((short) 0x0201, EndianUtils.swapShort((short) 0x0102));
assertEquals((short) 0xffff, EndianUtils.swapShort((short) 0xffff));
assertEquals((short) 0x0102, EndianUtils.swapShort((short) 0x0201));
}
/**
* Tests all swapXxxx methods for symmetry when going from one endian to another and back again.
*/
public void testSymmetry() {
assertEquals((short) 0x0102, EndianUtils.swapShort(EndianUtils.swapShort((short) 0x0102)));
assertEquals(0x01020304, EndianUtils.swapInteger(EndianUtils.swapInteger(0x01020304)));
assertEquals(
0x0102030405060708L, EndianUtils.swapLong(EndianUtils.swapLong(0x0102030405060708L)));
float f1 = Float.intBitsToFloat(0x01020304);
assertEquals(f1, EndianUtils.swapFloat(EndianUtils.swapFloat(f1)), 0.0);
double d1 = Double.longBitsToDouble(0x0102030405060708L);
assertEquals(d1, EndianUtils.swapDouble(EndianUtils.swapDouble(d1)), 0.0);
}
/**
* Writes a little-endian <tt>short</tt> value
*
* @param value the source value to convert
* @throws java.io.IOException if an error occurs
*/
public void writeShortLE(short value) throws IOException {
value = EndianUtils.swapShort(value);
super.writeShort(value);
}
