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Add unit test for _.sortBy to ensure arrays returned from callbacks are coerced.

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John-David Dalton
2013-11-26 15:08:09 -06:00
parent dba996b2c4
commit 42e58fb73a
1 changed files with 19 additions and 19 deletions
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38
test/test.js
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@@ -6546,21 +6546,18 @@
(function() {
var objects = [
{ 'num': 991 },
{ 'num': 212 },
{ 'num': 11 },
{ 'num': 16 },
{ 'num': 74 },
{ 'num': 0 },
{ 'num': 1515 }
{ 'a': 'x', 'b': 3 },
{ 'a': 'y', 'b': 4 },
{ 'a': 'x', 'b': 1 },
{ 'a': 'y', 'b': 2 }
];
test('should sort in ascending order', 1, function() {
var actual = _.pluck(_.sortBy(objects, function(object) {
return object.num;
}), 'num');
return object.b;
}), 'b');
deepEqual(actual, [0, 11, 16, 74, 212, 991, 1515]);
deepEqual(actual, [1, 2, 3, 4]);
});
test('should perform a stable sort (test in IE > 8, Opera, and V8)', 1, function() {
@@ -6617,20 +6614,23 @@
});
test('should work with an array for `callback`', 1, function() {
var objects = [
{ 'a': 'x', 'b': 3 },
{ 'a': 'y', 'b': 4 },
{ 'a': 'x', 'b': 1 },
{ 'a': 'y', 'b': 2 }
];
var actual = _.sortBy(objects, ['a', 'b']);
deepEqual(actual, [objects[2], objects[0], objects[3], objects[1]]);
});
test('should coerce arrays returned from a `callback`', 1, function() {
var actual = _.sortBy(objects, function(object) {
var result = [object.a, object.b];
result.toString = function() { return String(this[0]); };
return result;
});
deepEqual(actual, [objects[0], objects[2], objects[1], objects[3]]);
});
test('should work with a string for `callback`', 1, function() {
var actual = _.pluck(_.sortBy(objects, 'num'), 'num');
deepEqual(actual, [0, 11, 16, 74, 212, 991, 1515]);
var actual = _.pluck(_.sortBy(objects, 'b'), 'b');
deepEqual(actual, [1, 2, 3, 4]);
});
test('should work with an object for `collection`', 1, function() {