commentLen -= remove
					thisRecLen -= remove
				}
				remain -= int64(thisRecLen)
				f, err := w.CreateHeader(&FileHeader{
					Name:    uint16string,
					Comment: uint16string[:commentLen],
				})
				if err != nil {
					t.Fatalf("CreateHeader: %v", err)
				}
				f.(*fileWriter).crc32 = fakeHash32{}
			}
			if err := w.Close(); err != nil {
				t.Fatalf("Close: %v", err)