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Ensure "Collection" methods treat functions as objects.

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This commit is contained in:
John-David Dalton
2015-07-16 10:41:12 -07:00
parent bbad03547d
commit 7759615775
1 changed files with 14 additions and 7 deletions
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21
test/test.js
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@@ -4906,23 +4906,30 @@
_.each(collectionMethods, function(methodName) {
var func = _[methodName];
test('`_.' + methodName + '` should use `isLength` to determine whether a value is array-like', 2, function() {
test('`_.' + methodName + '` should use `isArrayLike` to determine whether a value is array-like', 3, function() {
if (func) {
var isIteratedAsObject = function(length) {
var isIteratedAsObject = function(object) {
var result = false;
func({ 'length': length }, function() { result = true; }, 0);
func(object, function() { result = true; }, 0);
return result;
};
var values = [-1, '1', 1.1, Object(1), MAX_SAFE_INTEGER + 1],
expected = _.map(values, _.constant(true)),
actual = _.map(values, isIteratedAsObject);
expected = _.map(values, _.constant(true));
var actual = _.map(values, function(length) {
return isIteratedAsObject({ 'length': length });
});
var Foo = function(a) {};
Foo.a = 1;
deepEqual(actual, expected);
ok(!isIteratedAsObject(0));
ok(isIteratedAsObject(Foo));
ok(!isIteratedAsObject({ 'length': 0 }));
}
else {
skipTest(2);
skipTest(3);
}
});
});