old_contents: var assert = require("assert");
  var dateFormat = require("../lib/dateformat");
  
  describe("Mask: 'L'", function () {
    it("should format '2020-10-10T08:48:02.436' as '44'", function (done) {
      var date = new Date("2020-10-10T08:48:02.436");
      var d = dateFormat(date, "L");
      assert.strictEqual(d, "44");
      done();
    });
  
    it("should format '1993-02-16T14:22:12.654' as '65'", function (done) {
      var date = new Date("1993-02-16T14:22:12.654");
      var d = dateFormat(date, "L");
      assert.strictEqual(d, "65");
      done();
    });
  
    it("should format '2076-01-03T18:23:30.064' as '06'", function (done) {
      var d = dateFormat("2076-01-03T18:23:30.064", "L");
      assert.strictEqual(d, "06");
      done();
    });
  
    it("should format '2002-12-25T19:35:55.655' as '66'", function (done) {
      var d = dateFormat("2002-12-25T19:35:55.655", "L");
      assert.strictEqual(d, "66");
      done();
    });
  });
  
new_contents: var assert = require("assert");
  var dateFormat = require("../lib/dateformat");
  
  describe("Mask: 'L'", function () {
    it("should format '2020-10-10T08:48:02.436' as '44'", function (done) {
      var date = new Date("2020-10-10T08:48:02.436");
      var d = dateFormat(date, "L");
      assert.strictEqual(d, "43");
      done();
    });
  
    it("should format '1993-02-16T14:22:12.654' as '65'", function (done) {
      var date = new Date("1993-02-16T14:22:12.654");
      var d = dateFormat(date, "L");
      assert.strictEqual(d, "65");
      done();
    });
  
    it("should format '2076-01-03T18:23:30.064' as '06'", function (done) {
      var d = dateFormat("2076-01-03T18:23:30.064", "L");
      assert.strictEqual(d, "06");
      done();
    });
  
    it("should format '2002-12-25T19:35:55.655' as '66'", function (done) {
      var d = dateFormat("2002-12-25T19:35:55.655", "L");
      assert.strictEqual(d, "65");
      done();
    });
  
    it("should format '2126-07-23T03:15:25.999' as '99'", function (done) {
      var d = dateFormat("2126-07-23T03:15:25.999", "L");
      assert.strictEqual(d, "99");
      done();
    });
  });
  
subject: Add new L Mask Test