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Adding _.defaults, Issue #106

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This commit is contained in:
Jeremy Ashkenas
2011-02-01 21:19:58 -05:00
parent d0faeb53c1
commit 226b7d9344
3 changed files with 37 additions and 1 deletions
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15
test/objects.js
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@@ -26,6 +26,21 @@ $(document).ready(function() {
ok(_.isEqual(result, {x:2, a:'b'}), 'extending from multiple source objects last property trumps');
});
test("objects: defaults", function() {
var result;
var options = {zero: 0, one: 1, empty: "", nan: NaN, string: "string"};
_.defaults(options, {zero: 1, one: 10, twenty: 20});
equals(options.zero, 0, 'value exists');
equals(options.one, 1, 'value exists');
equals(options.twenty, 20, 'default applied');
_.defaults(options, {empty: "full"}, {nan: "nan"}, {word: "word"}, {word: "dog"});
equals(options.empty, "", 'value exists');
ok(_.isNaN(options.nan), "NaN isn't overridden");
equals(options.word, "word", 'new value is added, first one wins');
});
test("objects: clone", function() {
var moe = {name : 'moe', lucky : [13, 27, 34]};
var clone = _.clone(moe);