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Add isConcatSpreadable to flatten methods.

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This commit is contained in:
John-David Dalton
2016-07-21 08:41:06 -07:00
parent 3c4c06cb5e
commit 984a10c1b1
2 changed files with 31 additions and 6 deletions
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29
test/test.js
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@@ -6505,7 +6505,8 @@
(function() {
var args = arguments,
array = [1, [2, [3, [4]], 5]];
array = [1, [2, [3, [4]], 5]],
methodNames = ['flatten', 'flattenDeep', 'flattenDepth'];
QUnit.test('should flatten `arguments` objects', function(assert) {
assert.expect(3);
@@ -6525,12 +6526,34 @@
expected.push(undefined, undefined, undefined);
lodashStable.each([_.flatten(array), _.flattenDeep(array), _.flattenDepth(array)], function(actual) {
lodashStable.each(methodNames, function(methodName) {
var actual = _[methodName](array);
assert.deepEqual(actual, expected);
assert.ok('4' in actual);
});
});
QUnit.test('should flatten objects with a truthy `Symbol.isConcatSpreadable` value', function(assert) {
assert.expect(1);
if (Symbol && Symbol.isConcatSpreadable) {
var object = { '0': 'a', 'length': 1 },
array = [object],
expected = lodashStable.map(methodNames, lodashStable.constant(['a']));
object[Symbol.isConcatSpreadable] = true;
var actual = lodashStable.map(methodNames, function(methodName) {
return _[methodName](array);
});
assert.deepEqual(actual, expected);
}
else {
skipAssert(assert);
}
});
QUnit.test('should work with extremely large arrays', function(assert) {
assert.expect(3);
@@ -22907,7 +22930,7 @@
QUnit.test('should convert iterables to arrays', function(assert) {
assert.expect(1);
if (!isNpm && Symbol && Symbol.iterator) {
if (Symbol && Symbol.iterator) {
var object = { '0': 'a', 'length': 1 };
object[Symbol.iterator] = arrayProto[Symbol.iterator];