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added an _.zip()

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This commit is contained in:
Jeremy Ashkenas
2009-10-26 09:15:14 -04:00
parent cf61edffa8
commit d229e822e7
4 changed files with 68 additions and 44 deletions
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32
test/collections.js
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@@ -16,22 +16,6 @@ $(document).ready(function() {
equals(answers.join(', '), '5, 10, 15', 'context object property accessed');
});
test('collections: all', function() {
ok(_.all([]), 'the empty set');
ok(_.all([true, true, true]), 'all true values');
ok(!_.all([true, false, true]), 'one false value');
ok(_.all([0, 10, 28], function(num){ return num % 2 == 0; }), 'even numbers');
ok(!_.all([0, 11, 28], function(num){ return num % 2 == 0; }), 'an odd number');
});
test('collections: any', function() {
ok(!_.any([]), 'the empty set');
ok(!_.any([false, false, false]), 'all false values');
ok(_.any([false, false, true]), 'one true value');
ok(!_.any([1, 11, 29], function(num){ return num % 2 == 0; }), 'all odd numbers');
ok(_.any([1, 10, 29], function(num){ return num % 2 == 0; }), 'an even number');
});
test('collections: map', function() {
var doubled = _.map([1, 2, 3], function(num){ return num * 2; });
equals(doubled.join(', '), '2, 4, 6', 'doubled numbers');
@@ -60,6 +44,22 @@ $(document).ready(function() {
equals(odds.join(', '), '1, 3, 5', 'rejected each even number');
});
test('collections: all', function() {
ok(_.all([]), 'the empty set');
ok(_.all([true, true, true]), 'all true values');
ok(!_.all([true, false, true]), 'one false value');
ok(_.all([0, 10, 28], function(num){ return num % 2 == 0; }), 'even numbers');
ok(!_.all([0, 11, 28], function(num){ return num % 2 == 0; }), 'an odd number');
});
test('collections: any', function() {
ok(!_.any([]), 'the empty set');
ok(!_.any([false, false, false]), 'all false values');
ok(_.any([false, false, true]), 'one true value');
ok(!_.any([1, 11, 29], function(num){ return num % 2 == 0; }), 'all odd numbers');
ok(_.any([1, 10, 29], function(num){ return num % 2 == 0; }), 'an even number');
});
test('collections: include', function() {
ok(_.include([1,2,3], 2), 'two is in the array');
ok(!_.include([1,3,9], 2), 'two is not in the array');