private byte[] getExtraFields(final boolean zip64) { ExtraFields fields = this.fields; if (zip64) { final ExtraField field = composeZip64ExtraField(); if (null != field) { fields = null != fields ? fields.clone() : new ExtraFields(); fields.add(field); } } else { assert null == fields || null == fields.get(ZIP64_HEADER_ID); } return null == fields ? EMPTY : fields.getExtra(); }
@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)); }
@Test public void testCollection1() { assertEquals(0, fields.getExtra().length); final ExtraField ef = new DefaultExtraField(ExtraField.ZIP64_HEADER_ID); assertNull(fields.get(ExtraField.ZIP64_HEADER_ID)); assertNull(fields.add(ef)); byte[] got = fields.getExtra(); assertEquals(4 + ef.getDataSize(), got.length); assertSame(ef, fields.remove(ExtraField.ZIP64_HEADER_ID)); assertEquals(0, fields.getExtra().length); } }
@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)); }