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author | 2017-05-04 07:48:42 -0400 | |
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committer | 2017-05-04 12:28:17 -0400 | |
commit | b54df0ddd0c6a0372327c5aa3668e5a6458fcd64 (patch) | |
tree | e69cfa9b314a801bd187cf0145d1d4306436229c /ecomp-portal-FE/client/bower_components/lodash/vendor/underscore/test/arrays.js | |
parent | 39d1e62c84041831bfc52cca73b5ed5efaf57d27 (diff) |
[PORTAL-7] Rebase
This rebasing includes common libraries and common overlays projects
abstraction of components
Change-Id: I9a24a338665c7cd058978e8636bc412d9e2fdce8
Signed-off-by: st782s <statta@research.att.com>
Diffstat (limited to 'ecomp-portal-FE/client/bower_components/lodash/vendor/underscore/test/arrays.js')
-rw-r--r-- | ecomp-portal-FE/client/bower_components/lodash/vendor/underscore/test/arrays.js | 555 |
1 files changed, 0 insertions, 555 deletions
diff --git a/ecomp-portal-FE/client/bower_components/lodash/vendor/underscore/test/arrays.js b/ecomp-portal-FE/client/bower_components/lodash/vendor/underscore/test/arrays.js deleted file mode 100644 index 748edea4..00000000 --- a/ecomp-portal-FE/client/bower_components/lodash/vendor/underscore/test/arrays.js +++ /dev/null @@ -1,555 +0,0 @@ -(function() { - var _ = typeof require == 'function' ? require('..') : window._; - - QUnit.module('Arrays'); - - QUnit.test('first', function(assert) { - assert.equal(_.first([1, 2, 3]), 1, 'can pull out the first element of an array'); - assert.equal(_([1, 2, 3]).first(), 1, 'can perform OO-style "first()"'); - assert.deepEqual(_.first([1, 2, 3], 0), [], 'returns an empty array when n <= 0 (0 case)'); - assert.deepEqual(_.first([1, 2, 3], -1), [], 'returns an empty array when n <= 0 (negative case)'); - assert.deepEqual(_.first([1, 2, 3], 2), [1, 2], 'can fetch the first n elements'); - assert.deepEqual(_.first([1, 2, 3], 5), [1, 2, 3], 'returns the whole array if n > length'); - var result = (function(){ return _.first(arguments); }(4, 3, 2, 1)); - assert.equal(result, 4, 'works on an arguments object'); - result = _.map([[1, 2, 3], [1, 2, 3]], _.first); - assert.deepEqual(result, [1, 1], 'works well with _.map'); - assert.equal(_.first(null), void 0, 'returns undefined when called on null'); - }); - - QUnit.test('head', function(assert) { - assert.strictEqual(_.head, _.first, 'is an alias for first'); - }); - - QUnit.test('take', function(assert) { - assert.strictEqual(_.take, _.first, 'is an alias for first'); - }); - - QUnit.test('rest', function(assert) { - var numbers = [1, 2, 3, 4]; - assert.deepEqual(_.rest(numbers), [2, 3, 4], 'fetches all but the first element'); - assert.deepEqual(_.rest(numbers, 0), [1, 2, 3, 4], 'returns the whole array when index is 0'); - assert.deepEqual(_.rest(numbers, 2), [3, 4], 'returns elements starting at the given index'); - var result = (function(){ return _(arguments).rest(); }(1, 2, 3, 4)); - assert.deepEqual(result, [2, 3, 4], 'works on an arguments object'); - result = _.map([[1, 2, 3], [1, 2, 3]], _.rest); - assert.deepEqual(_.flatten(result), [2, 3, 2, 3], 'works well with _.map'); - }); - - QUnit.test('tail', function(assert) { - assert.strictEqual(_.tail, _.rest, 'is an alias for rest'); - }); - - QUnit.test('drop', function(assert) { - assert.strictEqual(_.drop, _.rest, 'is an alias for rest'); - }); - - QUnit.test('initial', function(assert) { - assert.deepEqual(_.initial([1, 2, 3, 4, 5]), [1, 2, 3, 4], 'returns all but the last element'); - assert.deepEqual(_.initial([1, 2, 3, 4], 2), [1, 2], 'returns all but the last n elements'); - assert.deepEqual(_.initial([1, 2, 3, 4], 6), [], 'returns an empty array when n > length'); - var result = (function(){ return _(arguments).initial(); }(1, 2, 3, 4)); - assert.deepEqual(result, [1, 2, 3], 'works on an arguments object'); - result = _.map([[1, 2, 3], [1, 2, 3]], _.initial); - assert.deepEqual(_.flatten(result), [1, 2, 1, 2], 'works well with _.map'); - }); - - QUnit.test('last', function(assert) { - assert.equal(_.last([1, 2, 3]), 3, 'can pull out the last element of an array'); - assert.equal(_([1, 2, 3]).last(), 3, 'can perform OO-style "last()"'); - assert.deepEqual(_.last([1, 2, 3], 0), [], 'returns an empty array when n <= 0 (0 case)'); - assert.deepEqual(_.last([1, 2, 3], -1), [], 'returns an empty array when n <= 0 (negative case)'); - assert.deepEqual(_.last([1, 2, 3], 2), [2, 3], 'can fetch the last n elements'); - assert.deepEqual(_.last([1, 2, 3], 5), [1, 2, 3], 'returns the whole array if n > length'); - var result = (function(){ return _(arguments).last(); }(1, 2, 3, 4)); - assert.equal(result, 4, 'works on an arguments object'); - result = _.map([[1, 2, 3], [1, 2, 3]], _.last); - assert.deepEqual(result, [3, 3], 'works well with _.map'); - assert.equal(_.last(null), void 0, 'returns undefined when called on null'); - }); - - QUnit.test('compact', function(assert) { - assert.deepEqual(_.compact([1, false, null, 0, '', void 0, NaN, 2]), [1, 2], 'removes all falsy values'); - var result = (function(){ return _.compact(arguments); }(0, 1, false, 2, false, 3)); - assert.deepEqual(result, [1, 2, 3], 'works on an arguments object'); - result = _.map([[1, false, false], [false, false, 3]], _.compact); - assert.deepEqual(result, [[1], [3]], 'works well with _.map'); - }); - - QUnit.test('flatten', function(assert) { - assert.deepEqual(_.flatten(null), [], 'supports null'); - assert.deepEqual(_.flatten(void 0), [], 'supports undefined'); - - assert.deepEqual(_.flatten([[], [[]], []]), [], 'supports empty arrays'); - assert.deepEqual(_.flatten([[], [[]], []], true), [[]], 'can shallowly flatten empty arrays'); - - var list = [1, [2], [3, [[[4]]]]]; - assert.deepEqual(_.flatten(list), [1, 2, 3, 4], 'can flatten nested arrays'); - assert.deepEqual(_.flatten(list, true), [1, 2, 3, [[[4]]]], 'can shallowly flatten nested arrays'); - var result = (function(){ return _.flatten(arguments); }(1, [2], [3, [[[4]]]])); - assert.deepEqual(result, [1, 2, 3, 4], 'works on an arguments object'); - list = [[1], [2], [3], [[4]]]; - assert.deepEqual(_.flatten(list, true), [1, 2, 3, [4]], 'can shallowly flatten arrays containing only other arrays'); - - assert.equal(_.flatten([_.range(10), _.range(10), 5, 1, 3], true).length, 23, 'can flatten medium length arrays'); - assert.equal(_.flatten([_.range(10), _.range(10), 5, 1, 3]).length, 23, 'can shallowly flatten medium length arrays'); - assert.equal(_.flatten([new Array(1000000), _.range(56000), 5, 1, 3]).length, 1056003, 'can handle massive arrays'); - assert.equal(_.flatten([new Array(1000000), _.range(56000), 5, 1, 3], true).length, 1056003, 'can handle massive arrays in shallow mode'); - - var x = _.range(100000); - for (var i = 0; i < 1000; i++) x = [x]; - assert.deepEqual(_.flatten(x), _.range(100000), 'can handle very deep arrays'); - assert.deepEqual(_.flatten(x, true), x[0], 'can handle very deep arrays in shallow mode'); - }); - - QUnit.test('without', function(assert) { - var list = [1, 2, 1, 0, 3, 1, 4]; - assert.deepEqual(_.without(list, 0, 1), [2, 3, 4], 'removes all instances of the given values'); - var result = (function(){ return _.without(arguments, 0, 1); }(1, 2, 1, 0, 3, 1, 4)); - assert.deepEqual(result, [2, 3, 4], 'works on an arguments object'); - - list = [{one: 1}, {two: 2}]; - assert.deepEqual(_.without(list, {one: 1}), list, 'compares objects by reference (value case)'); - assert.deepEqual(_.without(list, list[0]), [{two: 2}], 'compares objects by reference (reference case)'); - }); - - QUnit.test('sortedIndex', function(assert) { - var numbers = [10, 20, 30, 40, 50]; - var indexFor35 = _.sortedIndex(numbers, 35); - assert.equal(indexFor35, 3, 'finds the index at which a value should be inserted to retain order'); - var indexFor30 = _.sortedIndex(numbers, 30); - assert.equal(indexFor30, 2, 'finds the smallest index at which a value could be inserted to retain order'); - - var objects = [{x: 10}, {x: 20}, {x: 30}, {x: 40}]; - var iterator = function(obj){ return obj.x; }; - assert.strictEqual(_.sortedIndex(objects, {x: 25}, iterator), 2, 'uses the result of `iterator` for order comparisons'); - assert.strictEqual(_.sortedIndex(objects, {x: 35}, 'x'), 3, 'when `iterator` is a string, uses that key for order comparisons'); - - var context = {1: 2, 2: 3, 3: 4}; - iterator = function(obj){ return this[obj]; }; - assert.strictEqual(_.sortedIndex([1, 3], 2, iterator, context), 1, 'can execute its iterator in the given context'); - - var values = [0, 1, 3, 7, 15, 31, 63, 127, 255, 511, 1023, 2047, 4095, 8191, 16383, 32767, 65535, 131071, 262143, 524287, - 1048575, 2097151, 4194303, 8388607, 16777215, 33554431, 67108863, 134217727, 268435455, 536870911, 1073741823, 2147483647]; - var largeArray = Array(Math.pow(2, 32) - 1); - var length = values.length; - // Sparsely populate `array` - while (length--) { - largeArray[values[length]] = values[length]; - } - assert.equal(_.sortedIndex(largeArray, 2147483648), 2147483648, 'works with large indexes'); - }); - - QUnit.test('uniq', function(assert) { - var list = [1, 2, 1, 3, 1, 4]; - assert.deepEqual(_.uniq(list), [1, 2, 3, 4], 'can find the unique values of an unsorted array'); - list = [1, 1, 1, 2, 2, 3]; - assert.deepEqual(_.uniq(list, true), [1, 2, 3], 'can find the unique values of a sorted array faster'); - - list = [{name: 'Moe'}, {name: 'Curly'}, {name: 'Larry'}, {name: 'Curly'}]; - var expected = [{name: 'Moe'}, {name: 'Curly'}, {name: 'Larry'}]; - var iterator = function(stooge) { return stooge.name; }; - assert.deepEqual(_.uniq(list, false, iterator), expected, 'uses the result of `iterator` for uniqueness comparisons (unsorted case)'); - assert.deepEqual(_.uniq(list, iterator), expected, '`sorted` argument defaults to false when omitted'); - assert.deepEqual(_.uniq(list, 'name'), expected, 'when `iterator` is a string, uses that key for comparisons (unsorted case)'); - - list = [{score: 8}, {score: 10}, {score: 10}]; - expected = [{score: 8}, {score: 10}]; - iterator = function(item) { return item.score; }; - assert.deepEqual(_.uniq(list, true, iterator), expected, 'uses the result of `iterator` for uniqueness comparisons (sorted case)'); - assert.deepEqual(_.uniq(list, true, 'score'), expected, 'when `iterator` is a string, uses that key for comparisons (sorted case)'); - - assert.deepEqual(_.uniq([{0: 1}, {0: 1}, {0: 1}, {0: 2}], 0), [{0: 1}, {0: 2}], 'can use falsey pluck like iterator'); - - var result = (function(){ return _.uniq(arguments); }(1, 2, 1, 3, 1, 4)); - assert.deepEqual(result, [1, 2, 3, 4], 'works on an arguments object'); - - var a = {}, b = {}, c = {}; - assert.deepEqual(_.uniq([a, b, a, b, c]), [a, b, c], 'works on values that can be tested for equivalency but not ordered'); - - assert.deepEqual(_.uniq(null), [], 'returns an empty array when `array` is not iterable'); - - var context = {}; - list = [3]; - _.uniq(list, function(value, index, array) { - assert.strictEqual(this, context, 'executes its iterator in the given context'); - assert.strictEqual(value, 3, 'passes its iterator the value'); - assert.strictEqual(index, 0, 'passes its iterator the index'); - assert.strictEqual(array, list, 'passes its iterator the entire array'); - }, context); - - }); - - QUnit.test('unique', function(assert) { - assert.strictEqual(_.unique, _.uniq, 'is an alias for uniq'); - }); - - QUnit.test('intersection', function(assert) { - var stooges = ['moe', 'curly', 'larry'], leaders = ['moe', 'groucho']; - assert.deepEqual(_.intersection(stooges, leaders), ['moe'], 'can find the set intersection of two arrays'); - assert.deepEqual(_(stooges).intersection(leaders), ['moe'], 'can perform an OO-style intersection'); - var result = (function(){ return _.intersection(arguments, leaders); }('moe', 'curly', 'larry')); - assert.deepEqual(result, ['moe'], 'works on an arguments object'); - var theSixStooges = ['moe', 'moe', 'curly', 'curly', 'larry', 'larry']; - assert.deepEqual(_.intersection(theSixStooges, leaders), ['moe'], 'returns a duplicate-free array'); - result = _.intersection([2, 4, 3, 1], [1, 2, 3]); - assert.deepEqual(result, [2, 3, 1], 'preserves the order of the first array'); - result = _.intersection(null, [1, 2, 3]); - assert.deepEqual(result, [], 'returns an empty array when passed null as the first argument'); - result = _.intersection([1, 2, 3], null); - assert.deepEqual(result, [], 'returns an empty array when passed null as an argument beyond the first'); - }); - - QUnit.test('union', function(assert) { - var result = _.union([1, 2, 3], [2, 30, 1], [1, 40]); - assert.deepEqual(result, [1, 2, 3, 30, 40], 'can find the union of a list of arrays'); - - result = _([1, 2, 3]).union([2, 30, 1], [1, 40]); - assert.deepEqual(result, [1, 2, 3, 30, 40], 'can perform an OO-style union'); - - result = _.union([1, 2, 3], [2, 30, 1], [1, 40, [1]]); - assert.deepEqual(result, [1, 2, 3, 30, 40, [1]], 'can find the union of a list of nested arrays'); - - result = _.union([10, 20], [1, 30, 10], [0, 40]); - assert.deepEqual(result, [10, 20, 1, 30, 0, 40], 'orders values by their first encounter'); - - result = (function(){ return _.union(arguments, [2, 30, 1], [1, 40]); }(1, 2, 3)); - assert.deepEqual(result, [1, 2, 3, 30, 40], 'works on an arguments object'); - - assert.deepEqual(_.union([1, 2, 3], 4), [1, 2, 3], 'restricts the union to arrays only'); - }); - - QUnit.test('difference', function(assert) { - var result = _.difference([1, 2, 3], [2, 30, 40]); - assert.deepEqual(result, [1, 3], 'can find the difference of two arrays'); - - result = _([1, 2, 3]).difference([2, 30, 40]); - assert.deepEqual(result, [1, 3], 'can perform an OO-style difference'); - - result = _.difference([1, 2, 3, 4], [2, 30, 40], [1, 11, 111]); - assert.deepEqual(result, [3, 4], 'can find the difference of three arrays'); - - result = _.difference([8, 9, 3, 1], [3, 8]); - assert.deepEqual(result, [9, 1], 'preserves the order of the first array'); - - result = (function(){ return _.difference(arguments, [2, 30, 40]); }(1, 2, 3)); - assert.deepEqual(result, [1, 3], 'works on an arguments object'); - - result = _.difference([1, 2, 3], 1); - assert.deepEqual(result, [1, 2, 3], 'restrict the difference to arrays only'); - }); - - QUnit.test('zip', function(assert) { - var names = ['moe', 'larry', 'curly'], ages = [30, 40, 50], leaders = [true]; - assert.deepEqual(_.zip(names, ages, leaders), [ - ['moe', 30, true], - ['larry', 40, void 0], - ['curly', 50, void 0] - ], 'zipped together arrays of different lengths'); - - var stooges = _.zip(['moe', 30, 'stooge 1'], ['larry', 40, 'stooge 2'], ['curly', 50, 'stooge 3']); - assert.deepEqual(stooges, [['moe', 'larry', 'curly'], [30, 40, 50], ['stooge 1', 'stooge 2', 'stooge 3']], 'zipped pairs'); - - // In the case of different lengths of the tuples, undefined values - // should be used as placeholder - stooges = _.zip(['moe', 30], ['larry', 40], ['curly', 50, 'extra data']); - assert.deepEqual(stooges, [['moe', 'larry', 'curly'], [30, 40, 50], [void 0, void 0, 'extra data']], 'zipped pairs with empties'); - - var empty = _.zip([]); - assert.deepEqual(empty, [], 'unzipped empty'); - - assert.deepEqual(_.zip(null), [], 'handles null'); - assert.deepEqual(_.zip(), [], '_.zip() returns []'); - }); - - QUnit.test('unzip', function(assert) { - assert.deepEqual(_.unzip(null), [], 'handles null'); - - assert.deepEqual(_.unzip([['a', 'b'], [1, 2]]), [['a', 1], ['b', 2]]); - - // complements zip - var zipped = _.zip(['fred', 'barney'], [30, 40], [true, false]); - assert.deepEqual(_.unzip(zipped), [['fred', 'barney'], [30, 40], [true, false]]); - - zipped = _.zip(['moe', 30], ['larry', 40], ['curly', 50, 'extra data']); - assert.deepEqual(_.unzip(zipped), [['moe', 30, void 0], ['larry', 40, void 0], ['curly', 50, 'extra data']], 'Uses length of largest array'); - }); - - QUnit.test('object', function(assert) { - var result = _.object(['moe', 'larry', 'curly'], [30, 40, 50]); - var shouldBe = {moe: 30, larry: 40, curly: 50}; - assert.deepEqual(result, shouldBe, 'two arrays zipped together into an object'); - - result = _.object([['one', 1], ['two', 2], ['three', 3]]); - shouldBe = {one: 1, two: 2, three: 3}; - assert.deepEqual(result, shouldBe, 'an array of pairs zipped together into an object'); - - var stooges = {moe: 30, larry: 40, curly: 50}; - assert.deepEqual(_.object(_.pairs(stooges)), stooges, 'an object converted to pairs and back to an object'); - - assert.deepEqual(_.object(null), {}, 'handles nulls'); - }); - - QUnit.test('indexOf', function(assert) { - var numbers = [1, 2, 3]; - assert.equal(_.indexOf(numbers, 2), 1, 'can compute indexOf'); - var result = (function(){ return _.indexOf(arguments, 2); }(1, 2, 3)); - assert.equal(result, 1, 'works on an arguments object'); - - _.each([null, void 0, [], false], function(val) { - var msg = 'Handles: ' + (_.isArray(val) ? '[]' : val); - assert.equal(_.indexOf(val, 2), -1, msg); - assert.equal(_.indexOf(val, 2, -1), -1, msg); - assert.equal(_.indexOf(val, 2, -20), -1, msg); - assert.equal(_.indexOf(val, 2, 15), -1, msg); - }); - - var num = 35; - numbers = [10, 20, 30, 40, 50]; - var index = _.indexOf(numbers, num, true); - assert.equal(index, -1, '35 is not in the list'); - - numbers = [10, 20, 30, 40, 50]; num = 40; - index = _.indexOf(numbers, num, true); - assert.equal(index, 3, '40 is in the list'); - - numbers = [1, 40, 40, 40, 40, 40, 40, 40, 50, 60, 70]; num = 40; - assert.equal(_.indexOf(numbers, num, true), 1, '40 is in the list'); - assert.equal(_.indexOf(numbers, 6, true), -1, '6 isnt in the list'); - assert.equal(_.indexOf([1, 2, 5, 4, 6, 7], 5, true), -1, 'sorted indexOf doesn\'t uses binary search'); - assert.ok(_.every(['1', [], {}, null], function() { - return _.indexOf(numbers, num, {}) === 1; - }), 'non-nums as fromIndex make indexOf assume sorted'); - - numbers = [1, 2, 3, 1, 2, 3, 1, 2, 3]; - index = _.indexOf(numbers, 2, 5); - assert.equal(index, 7, 'supports the fromIndex argument'); - - index = _.indexOf([,,, 0], void 0); - assert.equal(index, 0, 'treats sparse arrays as if they were dense'); - - var array = [1, 2, 3, 1, 2, 3]; - assert.strictEqual(_.indexOf(array, 1, -3), 3, 'neg `fromIndex` starts at the right index'); - assert.strictEqual(_.indexOf(array, 1, -2), -1, 'neg `fromIndex` starts at the right index'); - assert.strictEqual(_.indexOf(array, 2, -3), 4); - _.each([-6, -8, -Infinity], function(fromIndex) { - assert.strictEqual(_.indexOf(array, 1, fromIndex), 0); - }); - assert.strictEqual(_.indexOf([1, 2, 3], 1, true), 0); - - index = _.indexOf([], void 0, true); - assert.equal(index, -1, 'empty array with truthy `isSorted` returns -1'); - }); - - QUnit.test('indexOf with NaN', function(assert) { - assert.strictEqual(_.indexOf([1, 2, NaN, NaN], NaN), 2, 'Expected [1, 2, NaN] to contain NaN'); - assert.strictEqual(_.indexOf([1, 2, Infinity], NaN), -1, 'Expected [1, 2, NaN] to contain NaN'); - - assert.strictEqual(_.indexOf([1, 2, NaN, NaN], NaN, 1), 2, 'startIndex does not affect result'); - assert.strictEqual(_.indexOf([1, 2, NaN, NaN], NaN, -2), 2, 'startIndex does not affect result'); - - (function() { - assert.strictEqual(_.indexOf(arguments, NaN), 2, 'Expected arguments [1, 2, NaN] to contain NaN'); - }(1, 2, NaN, NaN)); - }); - - QUnit.test('indexOf with +- 0', function(assert) { - _.each([-0, +0], function(val) { - assert.strictEqual(_.indexOf([1, 2, val, val], val), 2); - assert.strictEqual(_.indexOf([1, 2, val, val], -val), 2); - }); - }); - - QUnit.test('lastIndexOf', function(assert) { - var numbers = [1, 0, 1]; - var falsey = [void 0, '', 0, false, NaN, null, void 0]; - assert.equal(_.lastIndexOf(numbers, 1), 2); - - numbers = [1, 0, 1, 0, 0, 1, 0, 0, 0]; - numbers.lastIndexOf = null; - assert.equal(_.lastIndexOf(numbers, 1), 5, 'can compute lastIndexOf, even without the native function'); - assert.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)); - assert.equal(result, 5, 'works on an arguments object'); - - _.each([null, void 0, [], false], function(val) { - var msg = 'Handles: ' + (_.isArray(val) ? '[]' : val); - assert.equal(_.lastIndexOf(val, 2), -1, msg); - assert.equal(_.lastIndexOf(val, 2, -1), -1, msg); - assert.equal(_.lastIndexOf(val, 2, -20), -1, msg); - assert.equal(_.lastIndexOf(val, 2, 15), -1, msg); - }); - - numbers = [1, 2, 3, 1, 2, 3, 1, 2, 3]; - var index = _.lastIndexOf(numbers, 2, 2); - assert.equal(index, 1, 'supports the fromIndex argument'); - - var array = [1, 2, 3, 1, 2, 3]; - - assert.strictEqual(_.lastIndexOf(array, 1, 0), 0, 'starts at the correct from idx'); - assert.strictEqual(_.lastIndexOf(array, 3), 5, 'should return the index of the last matched value'); - assert.strictEqual(_.lastIndexOf(array, 4), -1, 'should return `-1` for an unmatched value'); - - assert.strictEqual(_.lastIndexOf(array, 1, 2), 0, 'should work with a positive `fromIndex`'); - - _.each([6, 8, Math.pow(2, 32), Infinity], function(fromIndex) { - assert.strictEqual(_.lastIndexOf(array, void 0, fromIndex), -1); - assert.strictEqual(_.lastIndexOf(array, 1, fromIndex), 3); - assert.strictEqual(_.lastIndexOf(array, '', fromIndex), -1); - }); - - var expected = _.map(falsey, function(value) { - return typeof value == 'number' ? -1 : 5; - }); - - var actual = _.map(falsey, function(fromIndex) { - return _.lastIndexOf(array, 3, fromIndex); - }); - - assert.deepEqual(actual, expected, 'should treat falsey `fromIndex` values, except `0` and `NaN`, as `array.length`'); - assert.strictEqual(_.lastIndexOf(array, 3, '1'), 5, 'should treat non-number `fromIndex` values as `array.length`'); - assert.strictEqual(_.lastIndexOf(array, 3, true), 5, 'should treat non-number `fromIndex` values as `array.length`'); - - assert.strictEqual(_.lastIndexOf(array, 2, -3), 1, 'should work with a negative `fromIndex`'); - assert.strictEqual(_.lastIndexOf(array, 1, -3), 3, 'neg `fromIndex` starts at the right index'); - - assert.deepEqual(_.map([-6, -8, -Infinity], function(fromIndex) { - return _.lastIndexOf(array, 1, fromIndex); - }), [0, -1, -1]); - }); - - QUnit.test('lastIndexOf with NaN', function(assert) { - assert.strictEqual(_.lastIndexOf([1, 2, NaN, NaN], NaN), 3, 'Expected [1, 2, NaN] to contain NaN'); - assert.strictEqual(_.lastIndexOf([1, 2, Infinity], NaN), -1, 'Expected [1, 2, NaN] to contain NaN'); - - assert.strictEqual(_.lastIndexOf([1, 2, NaN, NaN], NaN, 2), 2, 'fromIndex does not affect result'); - assert.strictEqual(_.lastIndexOf([1, 2, NaN, NaN], NaN, -2), 2, 'fromIndex does not affect result'); - - (function() { - assert.strictEqual(_.lastIndexOf(arguments, NaN), 3, 'Expected arguments [1, 2, NaN] to contain NaN'); - }(1, 2, NaN, NaN)); - }); - - QUnit.test('lastIndexOf with +- 0', function(assert) { - _.each([-0, +0], function(val) { - assert.strictEqual(_.lastIndexOf([1, 2, val, val], val), 3); - assert.strictEqual(_.lastIndexOf([1, 2, val, val], -val), 3); - assert.strictEqual(_.lastIndexOf([-1, 1, 2], -val), -1); - }); - }); - - QUnit.test('findIndex', function(assert) { - var objects = [ - {a: 0, b: 0}, - {a: 1, b: 1}, - {a: 2, b: 2}, - {a: 0, b: 0} - ]; - - assert.equal(_.findIndex(objects, function(obj) { - return obj.a === 0; - }), 0); - - assert.equal(_.findIndex(objects, function(obj) { - return obj.b * obj.a === 4; - }), 2); - - assert.equal(_.findIndex(objects, 'a'), 1, 'Uses lookupIterator'); - - assert.equal(_.findIndex(objects, function(obj) { - return obj.b * obj.a === 5; - }), -1); - - assert.equal(_.findIndex(null, _.noop), -1); - assert.strictEqual(_.findIndex(objects, function(a) { - return a.foo === null; - }), -1); - _.findIndex([{a: 1}], function(a, key, obj) { - assert.equal(key, 0); - assert.deepEqual(obj, [{a: 1}]); - assert.strictEqual(this, objects, 'called with context'); - }, objects); - - var sparse = []; - sparse[20] = {a: 2, b: 2}; - assert.equal(_.findIndex(sparse, function(obj) { - return obj && obj.b * obj.a === 4; - }), 20, 'Works with sparse arrays'); - - var array = [1, 2, 3, 4]; - array.match = 55; - assert.strictEqual(_.findIndex(array, function(x) { return x === 55; }), -1, 'doesn\'t match array-likes keys'); - }); - - QUnit.test('findLastIndex', function(assert) { - var objects = [ - {a: 0, b: 0}, - {a: 1, b: 1}, - {a: 2, b: 2}, - {a: 0, b: 0} - ]; - - assert.equal(_.findLastIndex(objects, function(obj) { - return obj.a === 0; - }), 3); - - assert.equal(_.findLastIndex(objects, function(obj) { - return obj.b * obj.a === 4; - }), 2); - - assert.equal(_.findLastIndex(objects, 'a'), 2, 'Uses lookupIterator'); - - assert.equal(_.findLastIndex(objects, function(obj) { - return obj.b * obj.a === 5; - }), -1); - - assert.equal(_.findLastIndex(null, _.noop), -1); - assert.strictEqual(_.findLastIndex(objects, function(a) { - return a.foo === null; - }), -1); - _.findLastIndex([{a: 1}], function(a, key, obj) { - assert.equal(key, 0); - assert.deepEqual(obj, [{a: 1}]); - assert.strictEqual(this, objects, 'called with context'); - }, objects); - - var sparse = []; - sparse[20] = {a: 2, b: 2}; - assert.equal(_.findLastIndex(sparse, function(obj) { - return obj && obj.b * obj.a === 4; - }), 20, 'Works with sparse arrays'); - - var array = [1, 2, 3, 4]; - array.match = 55; - assert.strictEqual(_.findLastIndex(array, function(x) { return x === 55; }), -1, 'doesn\'t match array-likes keys'); - }); - - QUnit.test('range', function(assert) { - assert.deepEqual(_.range(0), [], 'range with 0 as a first argument generates an empty array'); - assert.deepEqual(_.range(4), [0, 1, 2, 3], 'range with a single positive argument generates an array of elements 0,1,2,...,n-1'); - assert.deepEqual(_.range(5, 8), [5, 6, 7], 'range with two arguments a & b, a<b generates an array of elements a,a+1,a+2,...,b-2,b-1'); - assert.deepEqual(_.range(3, 10, 3), [3, 6, 9], 'range with three arguments a & b & c, c < b-a, a < b generates an array of elements a,a+c,a+2c,...,b - (multiplier of a) < c'); - assert.deepEqual(_.range(3, 10, 15), [3], 'range with three arguments a & b & c, c > b-a, a < b generates an array with a single element, equal to a'); - assert.deepEqual(_.range(12, 7, -2), [12, 10, 8], 'range with three arguments a & b & c, a > b, c < 0 generates an array of elements a,a-c,a-2c and ends with the number not less than b'); - assert.deepEqual(_.range(0, -10, -1), [0, -1, -2, -3, -4, -5, -6, -7, -8, -9], 'final example in the Python docs'); - assert.strictEqual(1 / _.range(-0, 1)[0], -Infinity, 'should preserve -0'); - assert.deepEqual(_.range(8, 5), [8, 7, 6], 'negative range generates descending array'); - assert.deepEqual(_.range(-3), [0, -1, -2], 'negative range generates descending array'); - }); - - QUnit.test('chunk', function(assert) { - assert.deepEqual(_.chunk([], 2), [], 'chunk for empty array returns an empty array'); - - assert.deepEqual(_.chunk([1, 2, 3], 0), [], 'chunk into parts of 0 elements returns empty array'); - assert.deepEqual(_.chunk([1, 2, 3], -1), [], 'chunk into parts of negative amount of elements returns an empty array'); - assert.deepEqual(_.chunk([1, 2, 3]), [], 'defaults to empty array (chunk size 0)'); - - assert.deepEqual(_.chunk([1, 2, 3], 1), [[1], [2], [3]], 'chunk into parts of 1 elements returns original array'); - - assert.deepEqual(_.chunk([1, 2, 3], 3), [[1, 2, 3]], 'chunk into parts of current array length elements returns the original array'); - assert.deepEqual(_.chunk([1, 2, 3], 5), [[1, 2, 3]], 'chunk into parts of more then current array length elements returns the original array'); - - assert.deepEqual(_.chunk([10, 20, 30, 40, 50, 60, 70], 2), [[10, 20], [30, 40], [50, 60], [70]], 'chunk into parts of less then current array length elements'); - assert.deepEqual(_.chunk([10, 20, 30, 40, 50, 60, 70], 3), [[10, 20, 30], [40, 50, 60], [70]], 'chunk into parts of less then current array length elements'); - }); -}()); |