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node_modules/es6-map/test/polyfill.js 1.76 KB
aaac7fed   liuqimichale   add
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  'use strict';
  
  var aFrom   = require('es5-ext/array/from')
    , toArray = require('es5-ext/array/to-array');
  
  module.exports = function (T, a) {
  	var arr = [['raz', 'one'], ['dwa', 'two'], ['trzy', 'three']]
  	  , map = new T(arr), x = {}, y = {}, i = 0;
  
  	a(map instanceof T, true, "Map");
  	a(map.size, 3, "Size");
  	a(map.get('raz'), 'one', "Get: contained");
  	a(map.get(x), undefined, "Get: not contained");
  	a(map.has('raz'), true, "Has: contained");
  	a(map.has(x), false, "Has: not contained");
  	a(map.set(x, y), map, "Set: return");
  	a(map.has(x), true, "Set: has");
  	a(map.get(x), y, "Set: get");
  	a(map.size, 4, "Set: Size");
  	map.set('dwa', x);
  	a(map.get('dwa'), x, "Overwrite: get");
  	a(map.size, 4, "Overwrite: size");
  
  	a(map.delete({}), false, "Delete: false");
  
  	arr.push([x, y]);
  	arr[1][1] = x;
  	map.forEach(function () {
  		a.deep(aFrom(arguments), [arr[i][1], arr[i][0], map],
  			"ForEach: Arguments:  #" + i);
  		a(this, y, "ForEach: Context: #" + i);
  		if (i === 0) {
  			a(map.delete('raz'), true, "Delete: true");
  			a(map.has('raz'), false, "Delete");
  			a(map.size, 3, "Delete: size");
  			map.set('cztery', 'four');
  			arr.push(['cztery', 'four']);
  		}
  		i++;
  	}, y);
  	arr.splice(0, 1);
  
  	a.deep(toArray(map.entries()), [['dwa', x], ['trzy', 'three'], [x, y],
  		['cztery', 'four']], "Entries");
  	a.deep(toArray(map.keys()), ['dwa', 'trzy', x, 'cztery'], "Keys");
  	a.deep(toArray(map.values()), [x, 'three', y, 'four'], "Values");
  	a.deep(toArray(map), [['dwa', x], ['trzy', 'three'], [x, y],
  		['cztery', 'four']], "Iterator");
  
  	map.clear();
  	a(map.size, 0, "Clear: size");
  	a(map.has('trzy'), false, "Clear: has");
  	a.deep(toArray(map), [], "Clear: Values");
  
  	a.h1("Empty initialization");
  	map = new T();
  	map.set('foo', 'bar');
  	a(map.size, 1);
  	a(map.get('foo'), 'bar');
  };