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Add unit tests to check "Collections" methods return values.

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Former-commit-id: 6ac6cd97414035f74a102a51e913099e744d9a93
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John-David Dalton
2012-10-07 18:18:20 -07:00
parent 0e881a7972
commit 0a1036c78f
1 changed files with 20 additions and 2 deletions
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22
test/test.js
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@@ -1727,6 +1727,17 @@
(function() { (function() {
test('should allow falsey arguments', function() { test('should allow falsey arguments', function() {
var returnArrays = [
'filter',
'invoke',
'map',
'pluck',
'reject',
'sortBy',
'toArray',
'where'
];
var funcs = _.without.apply(_, [_.functions(_)].concat([ var funcs = _.without.apply(_, [_.functions(_)].concat([
'_', '_',
'_iteratorTemplate', '_iteratorTemplate',
@@ -1748,17 +1759,24 @@
])); ]));
_.each(funcs, function(methodName) { _.each(funcs, function(methodName) {
var func = _[methodName], var actual = [],
expected = _.times(falsey.length, function() { return []; }),
func = _[methodName],
pass = true; pass = true;
_.each(falsey, function(value, index) { _.each(falsey, function(value, index) {
try { try {
index ? func(value) : func(); actual.push(index ? func(value) : func());
} catch(e) { } catch(e) {
pass = false; pass = false;
} }
}); });
if (_.indexOf(returnArrays, methodName) > -1) {
deepEqual(actual, expected, '_.' + methodName + ' returns an array');
} else {
skipTest(falsey.length);
}
ok(pass, '_.' + methodName + ' allows falsey arguments'); ok(pass, '_.' + methodName + ' allows falsey arguments');
}); });
}); });