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rolling back to the previous implementation of 'each' ... cancels out #385

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Jeremy Ashkenas
2011-12-06 17:33:43 -05:00
parent b3290c127a
commit 9e41927293
4 changed files with 117 additions and 256 deletions
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33
test/collections.js
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@@ -1,4 +1,4 @@
$(document).ready(function($, undefined) {
$(document).ready(function() {
module("Collections");
@@ -8,7 +8,7 @@ $(document).ready(function($, undefined) {
});
var answers = [];
_.each([1, 2, 3], function(num){ answers.push(num * this.multiplier); }, {multiplier : 5});
_.each([1, 2, 3], function(num){ answers.push(num * this.multiplier);}, {multiplier : 5});
equals(answers.join(', '), '5, 10, 15', 'context object property accessed');
answers = [];
@@ -16,11 +16,11 @@ $(document).ready(function($, undefined) {
equals(answers.join(', '), '1, 2, 3', 'aliased as "forEach"');
answers = [];
var obj = {one: 1, two: 2, three: 3, toString: 1};
var obj = {one : 1, two : 2, three : 3};
obj.constructor.prototype.four = 4;
_.each(obj, function(value, key){ answers.push(key); });
equals(answers.join(", "), 'one, two, three', 'iterating over objects works, and ignores the object prototype.');
delete obj.constructor.prototype.four;
equals(answers.sort().join(', '), 'one, three, toString, two', 'iterating over objects works, and ignores the object prototype.');
answer = null;
_.each([1, 2, 3], function(num, index, arr){ if (_.include(arr, num)) answer = true; });
@@ -75,14 +75,15 @@ $(document).ready(function($, undefined) {
ifnull = ex;
}
ok(ifnull instanceof TypeError, 'handles a null (without inital value) properly');
ok(_.reduce(null, function(){}, 138) === 138, 'handles a null (with initial value) properly');
equals(_.reduce([], function(){}, undefined), undefined, 'undefined can be passed as a special case');
raises(function() { _.reduce([], function(){}); }, TypeError, 'throws an error for empty arrays with no initial value');
var sparseArray = [];
sparseArray[0] = 20;
sparseArray[2] = -5;
equals(_.reduce(sparseArray, function(a, b){ return a - b }), 25, 'initially-sparse arrays with no memo');
ok(_.reduce(null, function(){}, 138) === 138, 'handles a null (with initial value) properly');
// Sparse arrays:
var sparseArray = [];
sparseArray[100] = 10;
sparseArray[200] = 20;
equals(_.reduce(sparseArray, function(a, b){ return a + b }), 30, 'initially-sparse arrays with no memo');
});
test('collections: reduceRight', function() {
@@ -102,14 +103,8 @@ $(document).ready(function($, undefined) {
ifnull = ex;
}
ok(ifnull instanceof TypeError, 'handles a null (without inital value) properly');
ok(_.reduceRight(null, function(){}, 138) === 138, 'handles a null (with initial value) properly');
equals(_.reduceRight([], function(){}, undefined), undefined, 'undefined can be passed as a special case');
raises(function() { _.reduceRight([], function(){}); }, TypeError, 'throws an error for empty arrays with no initial value');
var sparseArray = [];
sparseArray[0] = 20;
sparseArray[2] = -5;
equals(_.reduceRight(sparseArray, function(a, b){ return a - b }), -25, 'initially-sparse arrays with no memo');
ok(_.reduceRight(null, function(){}, 138) === 138, 'handles a null (with initial value) properly');
});
test('collections: detect', function() {
@@ -238,7 +233,7 @@ $(document).ready(function($, undefined) {
equals(_.toArray(a).join(', '), '1, 2, 3', 'cloned array contains same elements');
var numbers = _.toArray({one : 1, two : 2, three : 3});
equals(numbers.sort().join(', '), '1, 2, 3', 'object flattened into array');
equals(numbers.join(', '), '1, 2, 3', 'object flattened into array');
});
test('collections: size', function() {