/**
 * Created by Tony on 2017/4/5.
 */

var test = require('tape');
var headerStr = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';

test('test private 1', function(t){
    private_getCellIdxStr = function(idx, pre){
        var rst = 'A', prefix = '', tmpIdx = idx;
        if (tmpIdx >= 26) {
            var ti = Math.floor(tmpIdx / 26), tj = tmpIdx % 26;
            if (ti <= 26) {
                rst = pre + headerStr[ti - 1] + headerStr[tj];
            } else {
                rst = private_getCellIdxStr(ti, 'A' + pre) + headerStr[tj];
            }
        } else {
            rst = pre + headerStr[tmpIdx % 26];
        }
        return rst;
    };
    //t.equal(private_getCellIdxStr(0, ''), 'A');
    //t.equal(private_getCellIdxStr(25, ''), 'Z');
    //t.equal(private_getCellIdxStr(26, ''), 'AA');
    //t.equal(private_getCellIdxStr(27, ''), 'AB');
    //t.equal(private_getCellIdxStr(51, ''), 'AZ');
    //t.equal(private_getCellIdxStr(52, ''), 'BA');
    //t.equal(private_getCellIdxStr(675, ''), 'YZ');
    //t.equal(private_getCellIdxStr(676, ''), 'ZA');
    //t.equal(private_getCellIdxStr(701, ''), 'ZZ');
    t.equal(private_getCellIdxStr(702, ''), 'AAA');
    t.end();
})