curfname += "/"
			continue
		}
		hdr, err := tr.Next()
		if err == io.EOF {
			break // End of archive
		}
		if err != nil {
			t.Fatal(err)
		}

		data, err := io.ReadAll(tr)
		if err != nil {
			t.Fatal(err)
		}

		if hdr.Name != curfname {
			t.Fatalf("got filename %v, want %v",
				curfname, hdr.Name)
		}

		origdata := fsys[curfname].Data

		if err != nil {
			t.Errorf("%s: Open err = %v", got.Name, err)
			continue
		}

		buf, err := io.ReadAll(r)
		if err != nil {
			t.Errorf("%s: ReadAll err = %v", got.Name, err)
			continue
		}

		if !bytes.Equal(buf, want.content) {
			t.Errorf("%v: ReadAll returned unexpected bytes", got.Name)
		}
	}
}

func testCreate(t *testing.T, w *Writer, wt *WriteTest) {