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Ensure _.pullAt ignores non-index values.

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This commit is contained in:
John-David Dalton
2014-05-07 00:12:12 -07:00
parent f09ae1e2e3
commit 32167b45ce
2 changed files with 20 additions and 5 deletions
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4
lodash.js
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@@ -2983,8 +2983,8 @@
indexes.sort(baseCompareAscending);
while (length--) {
var index = indexes[length];
if (index != previous) {
var index = parseFloat(indexes[length]);
if (index != previous && index > -1 && index % 1 == 0) {
var previous = index;
splice.call(array, index, 1);
}

21
test/test.js
View File

@@ -7278,11 +7278,11 @@
});
test('should work with unsorted indexes', 2, function() {
var array = [1, 2, 3, 4, 5],
actual = _.pullAt(array, [4, 1, 0, 3]);
var array = [1, 2, 3, 4],
actual = _.pullAt(array, [1, 3, 0]);
deepEqual(array, [3]);
deepEqual(actual, [5, 2, 1, 4]);
deepEqual(actual, [2, 4, 1]);
});
test('should work with repeated indexes', 2, function() {
@@ -7316,6 +7316,21 @@
deepEqual(array, ['b']);
deepEqual(actual, ['d', 'a', 'c']);
});
test('should ignore non-index values', 2, function() {
var array = ['a', 'b', 'c'],
clone = array.slice();
var values = _.reject(empties, function(value) {
return value === 0 || _.isArray(value);
}).concat(-1, 1.1);
var expected = _.map(values, _.constant(undefined)),
actual = _.pullAt.apply(_, [array].concat(values));
deepEqual(actual, expected);
deepEqual(array, clone);
});
}());
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