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Ensure all "Arrays" category methods allow a falsey array argument. [closes #23, #24]

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Former-commit-id: 66d09d3c8f3c045daf310c46581afa085daa57de
This commit is contained in:
John-David Dalton
2012-06-07 12:42:24 -04:00
parent 5f2f15b976
commit 3c6999f3a4
2 changed files with 229 additions and 89 deletions
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76
test/test.js
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@@ -708,6 +708,82 @@
/*--------------------------------------------------------------------------*/
QUnit.module('lodash "Arrays" methods');
(function() {
test('should allow a falsey `array` argument', function() {
_.each([
'compact',
'difference',
'first',
'flatten',
'groupBy',
'indexOf',
'initial',
'intersection',
'invoke',
'last',
'lastIndexOf',
'max',
'min',
'pluck',
'range',
'rest',
'shuffle',
'sortBy',
'sortedIndex',
'union',
'uniq',
'without',
'zip'
], function(methodName) {
var pass = true;
try {
_[methodName]();
} catch(e) {
pass = false;
}
ok(pass, methodName + ' allows a falsey `array` argument');
});
});
}());
/*--------------------------------------------------------------------------*/
QUnit.module('lodash "Collections" methods');
(function() {
test('should allow a falsey `collection` argument', function() {
_.each([
'contains',
'every',
'filter',
'find',
'forEach',
'map',
'reduce',
'reduceRight',
'reject',
'some',
'toArray'
], function(methodName) {
var pass = true;
try {
if (/^(?:contains|toArray)$/.test(methodName)) {
_[methodName](null);
} else {
_[methodName](null, _.identity);
}
} catch(e) {
pass = false;
}
ok(pass, methodName + ' allows a falsey `collection` argument');
});
});
}());
/*--------------------------------------------------------------------------*/
// explicitly call `QUnit.start()` for Narwhal, Rhino, and RingoJS
QUnit.start();