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Add _.findIndex and _.findKey. [closes #199]

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Former-commit-id: 5ac98b559e074082d4019cd30c27bface063f9c9
This commit is contained in:
John-David Dalton
2013-03-17 19:28:46 -05:00
parent e941de50e8
commit 2dc539747b
5 changed files with 152 additions and 42 deletions
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35
test/test.js
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@@ -671,8 +671,6 @@
/*--------------------------------------------------------------------------*/
QUnit.module('lodash.find');
(function() {
var objects = [
{ 'a': 0, 'b': 0 },
@@ -680,20 +678,31 @@
{ 'a': 2, 'b': 2 }
];
test('should return found `value`', function() {
equal(_.find(objects, function(object) { return object.a == 1; }), objects[1]);
});
_.each({
'find': [objects[1], undefined, objects[2], objects[1]],
'findIndex': [1, -1, 2, 1],
'findKey': ['1', undefined, '2', '1']
},
function(expected, methodName) {
QUnit.module('lodash.' + methodName);
test('should return `undefined` if `value` is not found', function() {
equal(_.find(objects, function(object) { return object.a == 3; }), undefined);
});
var func = _[methodName];
test('should work with an object for `callback`', function() {
equal(_.find(objects, { 'b': 2 }), objects[2]);
});
test('should return the correct value', function() {
strictEqual(func(objects, function(object) { return object.a == 1; }), expected[0]);
});
test('should work with a string for `callback`', function() {
equal(_.find(objects, 'b'), objects[1]);
test('should return `' + expected[1] + '` if value is not found', function() {
strictEqual(func(objects, function(object) { return object.a == 3; }), expected[1]);
});
test('should work with an object for `callback`', function() {
strictEqual(func(objects, { 'b': 2 }), expected[2]);
});
test('should work with a string for `callback`', function() {
strictEqual(func(objects, 'b'), expected[3]);
});
});
}());