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Add unit tests for _.countBy, _.groupBy, _.indexBy, and _.sortBy for when a callback is not passed.

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Former-commit-id: e3c1760607cb86fc6c3729409d217b4255fb695d
This commit is contained in:
John-David Dalton
2013-07-26 19:14:13 -07:00
parent 611304e257
commit 036c2f6a1c
1 changed files with 20 additions and 0 deletions
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20
test/test.js
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@@ -581,6 +581,11 @@
QUnit.module('lodash.countBy'); QUnit.module('lodash.countBy');
(function() { (function() {
test('should use `_.identity` when no `callback` is passed', function() {
var actual = _.countBy([4, 6, 6]);
deepEqual(actual, { '4': 1, '6': 2 });
});
test('should support the `thisArg` argument', function() { test('should support the `thisArg` argument', function() {
var actual = _.countBy([4.2, 6.1, 6.4], function(num) { var actual = _.countBy([4.2, 6.1, 6.4], function(num) {
return this.floor(num); return this.floor(num);
@@ -1424,6 +1429,11 @@
QUnit.module('lodash.groupBy'); QUnit.module('lodash.groupBy');
(function() { (function() {
test('should use `_.identity` when no `callback` is passed', function() {
var actual = _.groupBy([4, 6, 6]);
deepEqual(actual, { '4': [4], '6': [6, 6] });
});
test('should support the `thisArg` argument', function() { test('should support the `thisArg` argument', function() {
var actual = _.groupBy([4.2, 6.1, 6.4], function(num) { var actual = _.groupBy([4.2, 6.1, 6.4], function(num) {
return this.floor(num); return this.floor(num);
@@ -1466,6 +1476,11 @@
QUnit.module('lodash.indexBy'); QUnit.module('lodash.indexBy');
(function() { (function() {
test('should use `_.identity` when no `callback` is passed', function() {
var actual = _.indexBy([4, 6, 6]);
deepEqual(actual, { '4': 4, '6': 6 });
});
test('should support the `thisArg` argument', function() { test('should support the `thisArg` argument', function() {
var actual = _.indexBy([4.2, 6.1, 6.4], function(num) { var actual = _.indexBy([4.2, 6.1, 6.4], function(num) {
return this.floor(num); return this.floor(num);
@@ -3004,6 +3019,11 @@
deepEqual(actual, collection); deepEqual(actual, collection);
}); });
test('should use `_.identity` when no `callback` is passed', function() {
var actual = _.sortBy([3, 2, 1]);
deepEqual(actual, [1, 2, 3]);
});
test('should support the `thisArg` argument', function() { test('should support the `thisArg` argument', function() {
var actual = _.sortBy([1, 2, 3], function(num) { var actual = _.sortBy([1, 2, 3], function(num) {
return this.sin(num); return this.sin(num);