// the compiler is going to pad it by one (see issue 9401).
	// We can't permit that, because then the size of the Go
	// struct will not be the same as the size of the C struct.
	// Our only option in such a case is to remove the field,
	// which means that it cannot be referenced from Go.
	for off > 0 && sizes[len(sizes)-1] == 0 {
		n := len(sizes)
		fld = fld[0 : n-1]
		sizes = sizes[0 : n-1]

		t.Errorf("%v", err)
		return
	}

	// For very large files, just check that the size is correct.
	// The content is expected to be all zeros.
	// Don't bother uncompressing: too big.
	if ft.Content == nil && ft.File == "" && ft.Size > 0 {
		if size != ft.Size {
			t.Errorf("%v: uncompressed size %#x, want %#x", ft.Name, size, ft.Size)
		}
		r.Close()
		return
	}

	var b bytes.Buffer

	if got, want := NewReader(nil).Size(), DefaultBufSize; got != want {
		t.Errorf("NewReader's Reader.Size = %d; want %d", got, want)
	}
	if got, want := NewReaderSize(nil, 1234).Size(), 1234; got != want {
		t.Errorf("NewReaderSize's Reader.Size = %d; want %d", got, want)
	}
}

func TestWriterSize(t *testing.T) {
	if got, want := NewWriter(nil).Size(), DefaultBufSize; got != want {

}

func TestEqualExhaustive(t *testing.T) {
	var size = 128
	if testing.Short() {
		size = 32
	}
	a := make([]byte, size)
	b := make([]byte, size)
	b_init := make([]byte, size)
	// randomish but deterministic data
	for i := 0; i < size; i++ {
		a[i] = byte(17 * i)
		b_init[i] = byte(23*i + 100)
	}

	for len := 0; len <= size; len++ {
		for x := 0; x <= size-len; x++ {
			for y := 0; y <= size-len; y++ {