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underscore: Allow _.reduce and _.reduceRight to have an explicitly undefined value. [jddalton]

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John-David Dalton
2011-12-03 22:06:54 -05:00
parent ed4826ca19
commit 649f629bb1
3 changed files with 28 additions and 22 deletions
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13
test/objects.js
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@@ -1,18 +1,17 @@
$(document).ready(function() {
$(document).ready(function($, undefined) {
module("Objects");
test("objects: keys", function() {
var exception = /object/;
equals(_.keys({one : 1, two : 2}).join(', '), 'one, two', 'can extract the keys from an object');
// the test above is not safe because it relies on for-in enumeration order
var a = []; a[1] = 0;
equals(_.keys(a).join(', '), '1', 'is not fooled by sparse arrays; see issue #95');
raises(function() { _.keys(null); }, exception, 'throws an error for `null` values');
raises(function() { _.keys(void 0); }, exception, 'throws an error for `undefined` values');
raises(function() { _.keys(1); }, exception, 'throws an error for number primitives');
raises(function() { _.keys('a'); }, exception, 'throws an error for string primitives');
raises(function() { _.keys(true); }, exception, 'throws an error for boolean primitives');
raises(function() { _.keys(null); }, TypeError, 'throws an error for `null` values');
raises(function() { _.keys(void 0); }, TypeError, 'throws an error for `undefined` values');
raises(function() { _.keys(1); }, TypeError, 'throws an error for number primitives');
raises(function() { _.keys('a'); }, TypeError, 'throws an error for string primitives');
raises(function() { _.keys(true); }, TypeError, 'throws an error for boolean primitives');
});
test("objects: values", function() {