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Updated test suite
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Updated underscore 1.4.2
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@rwz
rwz committed Oct 16, 2012
1 parent 0985eee commit 1d7d2a4
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794 changes: 397 additions & 397 deletions test/strings.js
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86 changes: 48 additions & 38 deletions test/test_underscore/arrays.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@ $(document).ready(function() {

module("Arrays");

test("arrays: first", function() {
test("first", function() {
equal(_.first([1,2,3]), 1, 'can pull out the first element of an array');
equal(_([1, 2, 3]).first(), 1, 'can perform OO-style "first()"');
equal(_.first([1,2,3], 0).join(', '), "", 'can pass an index to first');
Expand All @@ -14,9 +14,11 @@ $(document).ready(function() {
equal(result.join(','), '1,1', 'works well with _.map');
result = (function() { return _.take([1,2,3], 2); })();
equal(result.join(','), '1,2', 'aliased as take');

equal(_.first(null), undefined, 'handles nulls');
});

test("arrays: rest", function() {
test("rest", function() {
var numbers = [1, 2, 3, 4];
equal(_.rest(numbers).join(", "), "2, 3, 4", 'working rest()');
equal(_.rest(numbers, 0).join(", "), "1, 2, 3, 4", 'working rest(0)');
Expand All @@ -25,9 +27,11 @@ $(document).ready(function() {
equal(result.join(', '), '2, 3, 4', 'aliased as tail and works on arguments object');
result = _.map([[1,2,3],[1,2,3]], _.rest);
equal(_.flatten(result).join(','), '2,3,2,3', 'works well with _.map');
result = (function(){ return _(arguments).drop(); })(1, 2, 3, 4);
equal(result.join(', '), '2, 3, 4', 'aliased as drop and works on arguments object');
});

test("arrays: initial", function() {
test("initial", function() {
equal(_.initial([1,2,3,4,5]).join(", "), "1, 2, 3, 4", 'working initial()');
equal(_.initial([1,2,3,4],2).join(", "), "1, 2", 'initial can take an index');
var result = (function(){ return _(arguments).initial(); })(1, 2, 3, 4);
Expand All @@ -36,7 +40,7 @@ $(document).ready(function() {
equal(_.flatten(result).join(','), '1,2,1,2', 'initial works with _.map');
});

test("arrays: last", function() {
test("last", function() {
equal(_.last([1,2,3]), 3, 'can pull out the last element of an array');
equal(_.last([1,2,3], 0).join(', '), "", 'can pass an index to last');
equal(_.last([1,2,3], 2).join(', '), '2, 3', 'can pass an index to last');
Expand All @@ -45,15 +49,17 @@ $(document).ready(function() {
equal(result, 4, 'works on an arguments object');
result = _.map([[1,2,3],[1,2,3]], _.last);
equal(result.join(','), '3,3', 'works well with _.map');

equal(_.last(null), undefined, 'handles nulls');
});

test("arrays: compact", function() {
test("compact", function() {
equal(_.compact([0, 1, false, 2, false, 3]).length, 3, 'can trim out all falsy values');
var result = (function(){ return _(arguments).compact().length; })(0, 1, false, 2, false, 3);
equal(result, 3, 'works on an arguments object');
});

test("arrays: flatten", function() {
test("flatten", function() {
if (window.JSON) {
var list = [1, [2], [3, [[[4]]]]];
equal(JSON.stringify(_.flatten(list)), '[1,2,3,4]', 'can flatten nested arrays');
Expand All @@ -63,7 +69,7 @@ $(document).ready(function() {
}
});

test("arrays: without", function() {
test("without", function() {
var list = [1, 2, 1, 0, 3, 1, 4];
equal(_.without(list, 0, 1).join(', '), '2, 3, 4', 'can remove all instances of an object');
var result = (function(){ return _.without(arguments, 0, 1); })(1, 2, 1, 0, 3, 1, 4);
Expand All @@ -74,7 +80,7 @@ $(document).ready(function() {
ok(_.without(list, list[0]).length == 1, 'ditto.');
});

test("arrays: uniq", function() {
test("uniq", function() {
var list = [1, 2, 1, 3, 1, 4];
equal(_.uniq(list).join(', '), '1, 2, 3, 4', 'can find the unique values of an unsorted array');

Expand All @@ -91,61 +97,54 @@ $(document).ready(function() {

var result = (function(){ return _.uniq(arguments); })(1, 2, 1, 3, 1, 4);
equal(result.join(', '), '1, 2, 3, 4', 'works on an arguments object');

var list = [];
list[2] = list[3] = null;
list[8] = 2;
list[10] = 2;
list[11] = 5;
list[14] = 5;
list[16] = 8;
list[19] = 8;
list[26] = list[29] = undefined;
list[33] = "hi";

var result = _.uniq(list, true);
if (0 in [undefined]) {
// According to the JScript ES 3 spec, section 2.1.26, JScript 5.x (IE <=
// 8) treats `undefined` elements in arrays as elisions.
deepEqual(result, [null, 2, 5, 8, undefined, "hi"], "Works with sorted sparse arrays");
equal(result.length, 6, "The resulting array should not be sparse");
} else {
deepEqual(result, [null, 2, 5, 8, "hi"], "Works with sorted sparse arrays where `undefined` elements are elided");
equal(result.length, 5, "The resulting array should not be sparse");
}
});

test("arrays: intersection", function() {
test("intersection", function() {
var stooges = ['moe', 'curly', 'larry'], leaders = ['moe', 'groucho'];
equal(_.intersection(stooges, leaders).join(''), 'moe', 'can take the set intersection of two arrays');
equal(_(stooges).intersection(leaders).join(''), 'moe', 'can perform an OO-style intersection');
var result = (function(){ return _.intersection(arguments, leaders); })('moe', 'curly', 'larry');
equal(result.join(''), 'moe', 'works on an arguments object');
});

test("arrays: union", function() {
test("union", function() {
var result = _.union([1, 2, 3], [2, 30, 1], [1, 40]);
equal(result.join(' '), '1 2 3 30 40', 'takes the union of a list of arrays');

var result = _.union([1, 2, 3], [2, 30, 1], [1, 40, [1]]);
equal(result.join(' '), '1 2 3 30 40 1', 'takes the union of a list of nested arrays');
});

test("arrays: difference", function() {
test("difference", function() {
var result = _.difference([1, 2, 3], [2, 30, 40]);
equal(result.join(' '), '1 3', 'takes the difference of two arrays');

var result = _.difference([1, 2, 3, 4], [2, 30, 40], [1, 11, 111]);
equal(result.join(' '), '3 4', 'takes the difference of three arrays');
});

test('arrays: zip', function() {
test('zip', function() {
var names = ['moe', 'larry', 'curly'], ages = [30, 40, 50], leaders = [true];
var stooges = _.zip(names, ages, leaders);
equal(String(stooges), 'moe,30,true,larry,40,,curly,50,', 'zipped together arrays of different lengths');
});

test("arrays: indexOf", function() {
test('object', function() {
var result = _.object(['moe', 'larry', 'curly'], [30, 40, 50]);
var shouldBe = {moe: 30, larry: 40, curly: 50};
ok(_.isEqual(result, shouldBe), 'two arrays zipped together into an object');

result = _.object([['one', 1], ['two', 2], ['three', 3]]);
shouldBe = {one: 1, two: 2, three: 3};
ok(_.isEqual(result, shouldBe), 'an array of pairs zipped together into an object');

var stooges = {moe: 30, larry: 40, curly: 50};
ok(_.isEqual(_.object(_.pairs(stooges)), stooges), 'an object converted to pairs and back to an object');

ok(_.isEqual(_.object(null), {}), 'handles nulls');
});

test("indexOf", function() {
var numbers = [1, 2, 3];
numbers.indexOf = null;
equal(_.indexOf(numbers, 2), 1, 'can compute indexOf, even without the native function');
Expand All @@ -164,19 +163,30 @@ $(document).ready(function() {
numbers = [1, 40, 40, 40, 40, 40, 40, 40, 50, 60, 70]; num = 40;
index = _.indexOf(numbers, num, true);
equal(index, 1, '40 is in the list');

numbers = [1, 2, 3, 1, 2, 3, 1, 2, 3];
index = _.indexOf(numbers, 2, 5);
equal(index, 7, 'supports the fromIndex argument');
});

test("arrays: lastIndexOf", function() {
var numbers = [1, 0, 1, 0, 0, 1, 0, 0, 0];
test("lastIndexOf", function() {
var numbers = [1, 0, 1];
equal(_.lastIndexOf(numbers, 1), 2);

numbers = [1, 0, 1, 0, 0, 1, 0, 0, 0];
numbers.lastIndexOf = null;
equal(_.lastIndexOf(numbers, 1), 5, 'can compute lastIndexOf, even without the native function');
equal(_.lastIndexOf(numbers, 0), 8, 'lastIndexOf the other element');
var result = (function(){ return _.lastIndexOf(arguments, 1); })(1, 0, 1, 0, 0, 1, 0, 0, 0);
equal(result, 5, 'works on an arguments object');
equal(_.indexOf(null, 2), -1, 'handles nulls properly');

numbers = [1, 2, 3, 1, 2, 3, 1, 2, 3];
index = _.lastIndexOf(numbers, 2, 2);
equal(index, 1, 'supports the fromIndex argument');
});

test("arrays: range", function() {
test("range", function() {
equal(_.range(0).join(''), '', 'range with 0 as a first argument generates an empty array');
equal(_.range(4).join(' '), '0 1 2 3', 'range with a single positive argument generates an array of elements 0,1,2,...,n-1');
equal(_.range(5, 8).join(' '), '5 6 7', 'range with two arguments a &amp; b, a&lt;b generates an array of elements a,a+1,a+2,...,b-2,b-1');
Expand Down
8 changes: 4 additions & 4 deletions test/test_underscore/chaining.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@ $(document).ready(function() {

module("Chaining");

test("chaining: map/flatten/reduce", function() {
test("map/flatten/reduce", function() {
var lyrics = [
"I'm a lumberjack and I'm okay",
"I sleep all night and I work all day",
Expand All @@ -20,7 +20,7 @@ $(document).ready(function() {
ok(counts['a'] == 16 && counts['e'] == 10, 'counted all the letters in the song');
});

test("chaining: select/reject/sortBy", function() {
test("select/reject/sortBy", function() {
var numbers = [1,2,3,4,5,6,7,8,9,10];
numbers = _(numbers).chain().select(function(n) {
return n % 2 == 0;
Expand All @@ -32,7 +32,7 @@ $(document).ready(function() {
equal(numbers.join(', '), "10, 6, 2", "filtered and reversed the numbers");
});

test("chaining: select/reject/sortBy in functional style", function() {
test("select/reject/sortBy in functional style", function() {
var numbers = [1,2,3,4,5,6,7,8,9,10];
numbers = _.chain(numbers).select(function(n) {
return n % 2 == 0;
Expand All @@ -44,7 +44,7 @@ $(document).ready(function() {
equal(numbers.join(', '), "10, 6, 2", "filtered and reversed the numbers");
});

test("chaining: reverse/concat/unshift/pop/map", function() {
test("reverse/concat/unshift/pop/map", function() {
var numbers = [1,2,3,4,5];
numbers = _(numbers).chain()
.reverse()
Expand Down
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