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Issue #107: Fixing issue with _.first([1,2,3], 0) returning first element instead of empty array.

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This commit is contained in:
Samuel Clay
2011-01-27 11:38:06 -05:00
parent 6b4fe66f09
commit 7aaf3616df
2 changed files with 4 additions and 2 deletions
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2
test/arrays.js
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@@ -5,6 +5,7 @@ $(document).ready(function() {
test("arrays: first", function() {
equals(_.first([1,2,3]), 1, 'can pull out the first element of an array');
equals(_([1, 2, 3]).first(), 1, 'can perform OO-style "first()"');
equals(_.first([1,2,3], 0).join(', '), "", 'can pass an index to first');
equals(_.first([1,2,3], 2).join(', '), '1, 2', 'can pass an index to first');
var result = (function(){ return _.first(arguments); })(4, 3, 2, 1);
equals(result, 4, 'works on an arguments object.');
@@ -15,6 +16,7 @@ $(document).ready(function() {
test("arrays: rest", function() {
var numbers = [1, 2, 3, 4];
equals(_.rest(numbers).join(", "), "2, 3, 4", 'working rest()');
equals(_.rest(numbers, 0).join(", "), "1, 2, 3, 4", 'working rest(0)');
equals(_.rest(numbers, 2).join(', '), '3, 4', 'rest can take an index');
var result = (function(){ return _(arguments).tail(); })(1, 2, 3, 4);
equals(result.join(', '), '2, 3, 4', 'aliased as tail and works on arguments object');