}
			if test.wantErr && !sawErr {
				t.Error("succeeded but want error")
			} else if !test.wantErr && sawErr {
				t.Error("unexpected error")
			}
			if test.want != nil && !reflect.DeepEqual(files, test.want) {
				t.Errorf("got %v want %v", files, test.want)
			}
		})
	}
}

func TestFSModTime(t *testing.T) {
	t.Parallel()
	z, err := OpenReader("testdata/subdir.zip")

	}
	f.pos += s
	f.ops = f.ops[1:]
	return f.pos, nil
}

func equalSparseEntries(x, y []sparseEntry) bool {
	return (len(x) == 0 && len(y) == 0) || reflect.DeepEqual(x, y)
}

func TestSparseEntries(t *testing.T) {
	vectors := []struct {
		in   []sparseEntry
		size int64

		wantValid    bool          // Result of validateSparseEntries

	case TypeXGlobalHeader:
		h2 := Header{Name: h.Name, Typeflag: h.Typeflag, Xattrs: h.Xattrs, PAXRecords: h.PAXRecords, Format: h.Format}
		if !reflect.DeepEqual(h, h2) {
			return FormatUnknown, nil, headerError{"only PAXRecords should be set for TypeXGlobalHeader"}
		}
		whyOnlyPAX = "only PAX supports TypeXGlobalHeader"
		format.mayOnlyBe(FormatPAX)
	}

		t.Fatal(err)
	}
	// Test that we can get the xattrs back out of the archive.
	reader := NewReader(&buf)
	hdr, err = reader.Next()
	if err != nil {
		t.Fatal(err)
	}
	if !reflect.DeepEqual(hdr.Xattrs, xattrs) {
		t.Fatalf("xattrs did not survive round trip: got %+v, want %+v",
			hdr.Xattrs, xattrs)
	}
}

func TestPaxHeadersSorted(t *testing.T) {
	fileinfo, err := os.Stat("testdata/small.txt")