assertEquals("0.4/8.0 kB", format.formatProgress(_400_bytes, _8000_bytes));
        assertEquals("4.0/8.0 kB", format.formatProgress(_4000_bytes, _8000_bytes));
        assertEquals("8.0 kB", format.formatProgress(_8000_bytes, _8000_bytes));
        assertEquals("8.0/50 kB", format.formatProgress(_8000_bytes, _50_kilobytes));
        assertEquals("16/50 kB", format.formatProgress(2L * _8000_bytes, _50_kilobytes));

            builder.append(" ").append(unit.symbol());
        }
    }

    public String formatProgress(long progressedSize, long size) {
        StringBuilder sb = new StringBuilder();
        formatProgress(sb, progressedSize, size);
        return sb.toString();
    }

    public void formatProgress(StringBuilder builder, long progressedSize, long size) {
        if (progressedSize < 0L) {

                } else {
                    buffer.append(resourceName, idx + 1, resourceName.length());
                }
                buffer.append(" (");
            }

            format.formatProgress(buffer, complete, total);

            if (printResourceNames) {
                buffer.append(")");
            }

            if (entries.hasNext()) {
                buffer.append(" | ");