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Allow null or undefined elements in _.pluck, _.property, and _.invoke.

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John-David Dalton
2014-03-15 00:17:50 -07:00
parent 7a2f6ebfd5
commit 65f125d998
2 changed files with 15 additions and 4 deletions
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14
test/test.js
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@@ -3636,8 +3636,8 @@
(function() {
test('should invoke a methods on each element of a collection', 1, function() {
var actual = _.invoke(['a', 'b', 'c'], 'toUpperCase');
deepEqual(actual, ['A', 'B', 'C']);
var array = ['a', 'b', 'c'];
deepEqual( _.invoke(array, 'toUpperCase'), ['A', 'B', 'C']);
});
test('should work with a function `methodName` argument', 1, function() {
@@ -3652,6 +3652,11 @@
var object = { 'a': 1, 'b': 2, 'c': 3 };
deepEqual(_.invoke(object, 'toFixed', 1), ['1.0', '2.0', '3.0']);
});
test('should work with `null` or `undefined` elements', 1, function() {
var array = ['a', null, undefined, 'd'];
deepEqual(_.invoke(array, 'toUpperCase'), ['A', undefined, undefined, 'D']);
});
}());
/*--------------------------------------------------------------------------*/
@@ -6480,6 +6485,11 @@
var object = { 'a': [1], 'b': [1, 2], 'c': [1, 2, 3] };
deepEqual(_.pluck(object, 'length'), [1, 2, 3]);
});
test('should work with `null` or `undefined` elements', 1, function() {
var objects = [{ 'a': 1 }, null, undefined, { 'a': 4 }];
deepEqual(_.pluck(objects, 'a'), [1, undefined, undefined, 4]);
});
}());
/*--------------------------------------------------------------------------*/