Mirrors/lodash
1
0
Fork 0
mirror of https://github.com/whoisclebs/lodash.git synced 2026-02-05 09:27:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add _.countBy and related unit tests, benchmarks, and documentation.

Browse Source 
Former-commit-id: 915eaf414883a1dc344a558b08c7a1337ab5a225
This commit is contained in:
John-David Dalton
2012-07-19 01:29:51 -04:00
parent 7487497d1f
commit 9848ffb77f
7 changed files with 332 additions and 207 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
test/test.js
View File

@@ -169,6 +169,21 @@
/*--------------------------------------------------------------------------*/
QUnit.module('lodash.countBy');
(function() {
test('should only add elements to own, not inherited, properties', function() {
var actual = _.countBy([4.2, 6.1, 6.4], function(num) {
return Math.floor(num) > 4 ? 'hasOwnProperty' : 'constructor';
});
deepEqual(actual.constructor, 1);
deepEqual(actual.hasOwnProperty, 2);
});
}());
/*--------------------------------------------------------------------------*/
QUnit.module('lodash.debounce');
(function() {
@@ -443,28 +458,28 @@
(function() {
test('supports the `thisArg` argument', function() {
var actual = _.groupBy([1.3, 2.1, 2.4], function(num) {
var actual = _.groupBy([4.2, 6.1, 6.4], function(num) {
return this.floor(num);
}, Math);
deepEqual(actual, { '1': [1.3], '2': [2.1, 2.4] });
deepEqual(actual, { '4': [4.2], '6': [6.1, 6.4] });
});
test('should only add elements to own, not inherited, properties', function() {
var actual = _.groupBy([1.3, 2.1, 2.4], function(num) {
return Math.floor(num) > 1 ? 'hasOwnProperty' : 'constructor';
var actual = _.groupBy([4.2, 6.1, 6.4], function(num) {
return Math.floor(num) > 4 ? 'hasOwnProperty' : 'constructor';
});
deepEqual(actual.constructor, [1.3]);
deepEqual(actual.hasOwnProperty, [2.1, 2.4]);
deepEqual(actual.constructor, [4.2]);
deepEqual(actual.hasOwnProperty, [6.1, 6.4]);
});
test('should work with an object for `collection`', function() {
var actual = _.groupBy({ 'a': 1.3, 'b': 2.1, 'c': 2.4 }, function(num) {
var actual = _.groupBy({ 'a': 4.2, 'b': 6.1, 'c': 6.4 }, function(num) {
return Math.floor(num);
});
deepEqual(actual, { '1': [1.3], '2': [2.1, 2.4] });
deepEqual(actual, { '4': [4.2], '6': [6.1, 6.4] });
});
}());