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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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6
test/arrays.js
View File

@@ -37,6 +37,12 @@ $(document).ready(function() {
equals(_.intersect(stooges, leaders).join(''), 'moe', 'can take the set intersection of two arrays');
});
test('arrays: zip', function() {
var names = ['moe', 'larry', 'curly'], ages = [30, 40, 50], leaders = [true];
var stooges = _.zip(names, ages, leaders);
equals(_.toString(stooges), 'moe,30,true,larry,40,,curly,50,', 'zipped together arrays of different lengths');
});
test("arrays: indexOf", function() {
var numbers = [1, 2, 3];
numbers.indexOf = null;

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');

7
test/functions.js
View File

@@ -7,6 +7,13 @@ $(document).ready(function() {
var func = function() { return "name: " + this.name; };
var bound = _.bind(func, context);
equals(bound(), 'name: moe', 'can bind a function to a context');
var func = function(salutation, name) { return salutation + ': ' + name; };
func = _.bind(func, this, 'hello');
equals(func('moe'), 'hello: moe', 'the function was partially applied in advance');
func = _.bind(func, this, 'curly');
equals(func(), 'hello: curly', 'the function was completely applied in advance');
});
test("functions: bindAll", function() {