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var R = require('../source');var eq = require('./shared/eq');

describe('forEach', function() {  var list = [{x: 1, y: 2}, {x: 100, y: 200}, {x: 300, y: 400}, {x: 234, y: 345}];
  it('performs the passed in function on each element of the list', function() {    var sideEffect = {};    R.forEach(function(elem) { sideEffect[elem.x] = elem.y; }, list);    eq(sideEffect, {1: 2, 100: 200, 300: 400, 234: 345});  });
  it('returns the original list', function() {    var s = '';    eq(R.forEach(function(obj) { s += obj.x; }, list), list);    eq('1100300234', s);  });
  it('handles empty list', function() {    eq(R.forEach(function(x) { return x * x; }, []), []);  });
  it('dispatches to `forEach` method', function() {    var dispatched = false;    var fn = function() {};    function DummyList() {}    DummyList.prototype.forEach = function(callback) {      dispatched = true;      eq(callback, fn);    };    R.forEach(fn, new DummyList());    eq(dispatched, true);  });
});