/** * @throws IllegalArgumentException if the serialized extra fields do not * conform to the ZIP File Format Specification. */ private void setExtraFields(final byte[] buf, final boolean zip64) throws IllegalArgumentException { assert UShort.check(buf.length); if (0 < buf.length) { final ExtraFields fields = new ExtraFields(); try { fields.readFrom(buf, 0, buf.length); if (zip64) parseZip64ExtraField(fields); } catch (final IndexOutOfBoundsException ex) { throw new IllegalArgumentException(ex); } fields.remove(ZIP64_HEADER_ID); this.fields = 0 < fields.size() ? fields : null; } else { this.fields = null; } }
@Test public void testCollection0() { fields.readFrom(serialized, 0, serialized.length); final ExtraField ef = fields.get(ExtraField.ZIP64_HEADER_ID); assertNotNull(ef); assertSame(ef, fields.remove(ExtraField.ZIP64_HEADER_ID)); assertNull(fields.get(ExtraField.ZIP64_HEADER_ID)); assertNull(fields.add(ef)); final byte[] got = fields.getExtra(); assertNotSame(serialized, got); assertTrue(Arrays.equals(serialized, got)); }
@Test public void testGetSet() { assertEquals(0, fields.getExtra().length); fields.readFrom(serialized, 0, serialized.length); assertEquals(serialized.length, fields.getExtraLength()); serialized[0] = (byte) 0xff; byte[] got1 = fields.getExtra(); assertNotNull(got1); assertNotSame(serialized, got1); final byte[] got2 = fields.getExtra(); assertNotNull(got2); assertNotSame(serialized, got2); assertNotSame(got1, got2); serialized[0] = (byte) 0x00; assertTrue(Arrays.equals(serialized, got1)); assertTrue(Arrays.equals(serialized, got2)); }