"Fossies" - the Fresh Open Source Software Archive  

Source code changes of the file "vendor/underscore/test/collections.js" between
lodash-4.0.0.tar.gz and lodash-4.17.21.tar.gz

About: lodash is a modern JavaScript utility library delivering modularity, performance, & extras. Tagged version.

collections.js  (lodash-4.0.0):collections.js  (lodash-4.17.21)
skipping to change at line 190 skipping to change at line 190
sum = _([1, 2, 3]).reduce(function(memo, num){ return memo + num; }, 0); sum = _([1, 2, 3]).reduce(function(memo, num){ return memo + num; }, 0);
assert.equal(sum, 6, 'OO-style reduce'); assert.equal(sum, 6, 'OO-style reduce');
sum = _.reduce([1, 2, 3], function(memo, num){ return memo + num; }); sum = _.reduce([1, 2, 3], function(memo, num){ return memo + num; });
assert.equal(sum, 6, 'default initial value'); assert.equal(sum, 6, 'default initial value');
var prod = _.reduce([1, 2, 3, 4], function(memo, num){ return memo * num; }) ; var prod = _.reduce([1, 2, 3, 4], function(memo, num){ return memo * num; }) ;
assert.equal(prod, 24, 'can reduce via multiplication'); assert.equal(prod, 24, 'can reduce via multiplication');
assert.ok(_.reduce(null, _.noop, 138) === 138, 'handles a null (with initial value) properly'); assert.strictEqual(_.reduce(null, _.noop, 138), 138, 'handles a null (with i nitial value) properly');
assert.equal(_.reduce([], _.noop, void 0), void 0, 'undefined can be passed as a special case'); assert.equal(_.reduce([], _.noop, void 0), void 0, 'undefined can be passed as a special case');
assert.equal(_.reduce([_], _.noop), _, 'collection of length one with no ini tial value returns the first item'); assert.equal(_.reduce([_], _.noop), _, 'collection of length one with no ini tial value returns the first item');
assert.equal(_.reduce([], _.noop), void 0, 'returns undefined when collectio n is empty and no initial value'); assert.equal(_.reduce([], _.noop), void 0, 'returns undefined when collectio n is empty and no initial value');
}); });
QUnit.test('foldl', function(assert) { QUnit.test('foldl', function(assert) {
assert.strictEqual(_.foldl, _.reduce, 'is an alias for reduce'); assert.strictEqual(_.foldl, _.reduce, 'is an alias for reduce');
}); });
QUnit.test('inject', function(assert) { QUnit.test('inject', function(assert) {
skipping to change at line 214 skipping to change at line 214
QUnit.test('reduceRight', function(assert) { QUnit.test('reduceRight', function(assert) {
var list = _.reduceRight(['foo', 'bar', 'baz'], function(memo, str){ return memo + str; }, ''); var list = _.reduceRight(['foo', 'bar', 'baz'], function(memo, str){ return memo + str; }, '');
assert.equal(list, 'bazbarfoo', 'can perform right folds'); assert.equal(list, 'bazbarfoo', 'can perform right folds');
list = _.reduceRight(['foo', 'bar', 'baz'], function(memo, str){ return memo + str; }); list = _.reduceRight(['foo', 'bar', 'baz'], function(memo, str){ return memo + str; });
assert.equal(list, 'bazbarfoo', 'default initial value'); assert.equal(list, 'bazbarfoo', 'default initial value');
var sum = _.reduceRight({a: 1, b: 2, c: 3}, function(memo, num){ return memo + num; }); var sum = _.reduceRight({a: 1, b: 2, c: 3}, function(memo, num){ return memo + num; });
assert.equal(sum, 6, 'default initial value on object'); assert.equal(sum, 6, 'default initial value on object');
assert.ok(_.reduceRight(null, _.noop, 138) === 138, 'handles a null (with in itial value) properly'); assert.strictEqual(_.reduceRight(null, _.noop, 138), 138, 'handles a null (w ith initial value) properly');
assert.equal(_.reduceRight([_], _.noop), _, 'collection of length one with n o initial value returns the first item'); assert.equal(_.reduceRight([_], _.noop), _, 'collection of length one with n o initial value returns the first item');
assert.equal(_.reduceRight([], _.noop, void 0), void 0, 'undefined can be pa ssed as a special case'); assert.equal(_.reduceRight([], _.noop, void 0), void 0, 'undefined can be pa ssed as a special case');
assert.equal(_.reduceRight([], _.noop), void 0, 'returns undefined when coll ection is empty and no initial value'); assert.equal(_.reduceRight([], _.noop), void 0, 'returns undefined when coll ection is empty and no initial value');
// Assert that the correct arguments are being passed. // Assert that the correct arguments are being passed.
var args, var args,
init = {}, init = {},
object = {a: 1, b: 2}, object = {a: 1, b: 2},
skipping to change at line 270 skipping to change at line 270
assert.strictEqual(_.find(array, function(n) { return n > 2; }), 3, 'should return first found `value`'); assert.strictEqual(_.find(array, function(n) { return n > 2; }), 3, 'should return first found `value`');
assert.strictEqual(_.find(array, function() { return false; }), void 0, 'sho uld return `undefined` if `value` is not found'); assert.strictEqual(_.find(array, function() { return false; }), void 0, 'sho uld return `undefined` if `value` is not found');
array.dontmatch = 55; array.dontmatch = 55;
assert.strictEqual(_.find(array, function(x) { return x === 55; }), void 0, 'iterates array-likes correctly'); assert.strictEqual(_.find(array, function(x) { return x === 55; }), void 0, 'iterates array-likes correctly');
// Matching an object like _.findWhere. // Matching an object like _.findWhere.
var list = [{a: 1, b: 2}, {a: 2, b: 2}, {a: 1, b: 3}, {a: 1, b: 4}, {a: 2, b : 4}]; var list = [{a: 1, b: 2}, {a: 2, b: 2}, {a: 1, b: 3}, {a: 1, b: 4}, {a: 2, b : 4}];
assert.deepEqual(_.find(list, {a: 1}), {a: 1, b: 2}, 'can be used as findWhe re'); assert.deepEqual(_.find(list, {a: 1}), {a: 1, b: 2}, 'can be used as findWhe re');
assert.deepEqual(_.find(list, {b: 4}), {a: 1, b: 4}); assert.deepEqual(_.find(list, {b: 4}), {a: 1, b: 4});
assert.ok(!_.find(list, {c: 1}), 'undefined when not found'); assert.notOk(_.find(list, {c: 1}), 'undefined when not found');
assert.ok(!_.find([], {c: 1}), 'undefined when searching empty list'); assert.notOk(_.find([], {c: 1}), 'undefined when searching empty list');
var result = _.find([1, 2, 3], function(num){ return num * 2 === 4; }); var result = _.find([1, 2, 3], function(num){ return num * 2 === 4; });
assert.equal(result, 2, 'found the first "2" and broke the loop'); assert.equal(result, 2, 'found the first "2" and broke the loop');
var obj = { var obj = {
a: {x: 1, z: 3}, a: {x: 1, z: 3},
b: {x: 2, z: 2}, b: {x: 2, z: 2},
c: {x: 3, z: 4}, c: {x: 3, z: 4},
d: {x: 4, z: 1} d: {x: 4, z: 1}
}; };
skipping to change at line 350 skipping to change at line 350
var list = [{a: 1, b: 2}, {a: 2, b: 2}, {a: 1, b: 3}, {a: 1, b: 4}]; var list = [{a: 1, b: 2}, {a: 2, b: 2}, {a: 1, b: 3}, {a: 1, b: 4}];
assert.deepEqual(_.reject(list, {a: 1}), [{a: 2, b: 2}]); assert.deepEqual(_.reject(list, {a: 1}), [{a: 2, b: 2}]);
assert.deepEqual(_.reject(list, {b: 2}), [{a: 1, b: 3}, {a: 1, b: 4}]); assert.deepEqual(_.reject(list, {b: 2}), [{a: 1, b: 3}, {a: 1, b: 4}]);
assert.deepEqual(_.reject(list, {}), [], 'Returns empty list given empty obj ect'); assert.deepEqual(_.reject(list, {}), [], 'Returns empty list given empty obj ect');
assert.deepEqual(_.reject(list, []), [], 'Returns empty list given empty arr ay'); assert.deepEqual(_.reject(list, []), [], 'Returns empty list given empty arr ay');
}); });
QUnit.test('every', function(assert) { QUnit.test('every', function(assert) {
assert.ok(_.every([], _.identity), 'the empty set'); assert.ok(_.every([], _.identity), 'the empty set');
assert.ok(_.every([true, true, true], _.identity), 'every true values'); assert.ok(_.every([true, true, true], _.identity), 'every true values');
assert.ok(!_.every([true, false, true], _.identity), 'one false value'); assert.notOk(_.every([true, false, true], _.identity), 'one false value');
assert.ok(_.every([0, 10, 28], function(num){ return num % 2 === 0; }), 'eve n numbers'); assert.ok(_.every([0, 10, 28], function(num){ return num % 2 === 0; }), 'eve n numbers');
assert.ok(!_.every([0, 11, 28], function(num){ return num % 2 === 0; }), 'an assert.notOk(_.every([0, 11, 28], function(num){ return num % 2 === 0; }), '
odd number'); an odd number');
assert.ok(_.every([1], _.identity) === true, 'cast to boolean - true'); assert.strictEqual(_.every([1], _.identity), true, 'cast to boolean - true')
assert.ok(_.every([0], _.identity) === false, 'cast to boolean - false'); ;
assert.ok(!_.every([void 0, void 0, void 0], _.identity), 'works with arrays assert.strictEqual(_.every([0], _.identity), false, 'cast to boolean - false
of undefined'); ');
assert.notOk(_.every([void 0, void 0, void 0], _.identity), 'works with arra
ys of undefined');
var list = [{a: 1, b: 2}, {a: 2, b: 2}, {a: 1, b: 3}, {a: 1, b: 4}]; var list = [{a: 1, b: 2}, {a: 2, b: 2}, {a: 1, b: 3}, {a: 1, b: 4}];
assert.ok(!_.every(list, {a: 1, b: 2}), 'Can be called with object'); assert.notOk(_.every(list, {a: 1, b: 2}), 'Can be called with object');
assert.ok(_.every(list, 'a'), 'String mapped to object property'); assert.ok(_.every(list, 'a'), 'String mapped to object property');
list = [{a: 1, b: 2}, {a: 2, b: 2, c: true}]; list = [{a: 1, b: 2}, {a: 2, b: 2, c: true}];
assert.ok(_.every(list, {b: 2}), 'Can be called with object'); assert.ok(_.every(list, {b: 2}), 'Can be called with object');
assert.ok(!_.every(list, 'c'), 'String mapped to object property'); assert.notOk(_.every(list, 'c'), 'String mapped to object property');
assert.ok(_.every({a: 1, b: 2, c: 3, d: 4}, _.isNumber), 'takes objects'); assert.ok(_.every({a: 1, b: 2, c: 3, d: 4}, _.isNumber), 'takes objects');
assert.ok(!_.every({a: 1, b: 2, c: 3, d: 4}, _.isObject), 'takes objects'); assert.notOk(_.every({a: 1, b: 2, c: 3, d: 4}, _.isObject), 'takes objects') ;
assert.ok(_.every(['a', 'b', 'c', 'd'], _.hasOwnProperty, {a: 1, b: 2, c: 3, d: 4}), 'context works'); assert.ok(_.every(['a', 'b', 'c', 'd'], _.hasOwnProperty, {a: 1, b: 2, c: 3, d: 4}), 'context works');
assert.ok(!_.every(['a', 'b', 'c', 'd', 'f'], _.hasOwnProperty, {a: 1, b: 2, c: 3, d: 4}), 'context works'); assert.notOk(_.every(['a', 'b', 'c', 'd', 'f'], _.hasOwnProperty, {a: 1, b: 2, c: 3, d: 4}), 'context works');
}); });
QUnit.test('all', function(assert) { QUnit.test('all', function(assert) {
assert.strictEqual(_.all, _.every, 'is an alias for every'); assert.strictEqual(_.all, _.every, 'is an alias for every');
}); });
QUnit.test('some', function(assert) { QUnit.test('some', function(assert) {
assert.ok(!_.some([]), 'the empty set'); assert.notOk(_.some([]), 'the empty set');
assert.ok(!_.some([false, false, false]), 'all false values'); assert.notOk(_.some([false, false, false]), 'all false values');
assert.ok(_.some([false, false, true]), 'one true value'); assert.ok(_.some([false, false, true]), 'one true value');
assert.ok(_.some([null, 0, 'yes', false]), 'a string'); assert.ok(_.some([null, 0, 'yes', false]), 'a string');
assert.ok(!_.some([null, 0, '', false]), 'falsy values'); assert.notOk(_.some([null, 0, '', false]), 'falsy values');
assert.ok(!_.some([1, 11, 29], function(num){ return num % 2 === 0; }), 'all assert.notOk(_.some([1, 11, 29], function(num){ return num % 2 === 0; }), 'a
odd numbers'); ll odd numbers');
assert.ok(_.some([1, 10, 29], function(num){ return num % 2 === 0; }), 'an e ven number'); assert.ok(_.some([1, 10, 29], function(num){ return num % 2 === 0; }), 'an e ven number');
assert.ok(_.some([1], _.identity) === true, 'cast to boolean - true'); assert.strictEqual(_.some([1], _.identity), true, 'cast to boolean - true');
assert.ok(_.some([0], _.identity) === false, 'cast to boolean - false'); assert.strictEqual(_.some([0], _.identity), false, 'cast to boolean - false'
);
assert.ok(_.some([false, false, true])); assert.ok(_.some([false, false, true]));
var list = [{a: 1, b: 2}, {a: 2, b: 2}, {a: 1, b: 3}, {a: 1, b: 4}]; var list = [{a: 1, b: 2}, {a: 2, b: 2}, {a: 1, b: 3}, {a: 1, b: 4}];
assert.ok(!_.some(list, {a: 5, b: 2}), 'Can be called with object'); assert.notOk(_.some(list, {a: 5, b: 2}), 'Can be called with object');
assert.ok(_.some(list, 'a'), 'String mapped to object property'); assert.ok(_.some(list, 'a'), 'String mapped to object property');
list = [{a: 1, b: 2}, {a: 2, b: 2, c: true}]; list = [{a: 1, b: 2}, {a: 2, b: 2, c: true}];
assert.ok(_.some(list, {b: 2}), 'Can be called with object'); assert.ok(_.some(list, {b: 2}), 'Can be called with object');
assert.ok(!_.some(list, 'd'), 'String mapped to object property'); assert.notOk(_.some(list, 'd'), 'String mapped to object property');
assert.ok(_.some({a: '1', b: '2', c: '3', d: '4', e: 6}, _.isNumber), 'takes objects'); assert.ok(_.some({a: '1', b: '2', c: '3', d: '4', e: 6}, _.isNumber), 'takes objects');
assert.ok(!_.some({a: 1, b: 2, c: 3, d: 4}, _.isObject), 'takes objects'); assert.notOk(_.some({a: 1, b: 2, c: 3, d: 4}, _.isObject), 'takes objects');
assert.ok(_.some(['a', 'b', 'c', 'd'], _.hasOwnProperty, {a: 1, b: 2, c: 3, d: 4}), 'context works'); assert.ok(_.some(['a', 'b', 'c', 'd'], _.hasOwnProperty, {a: 1, b: 2, c: 3, d: 4}), 'context works');
assert.ok(!_.some(['x', 'y', 'z'], _.hasOwnProperty, {a: 1, b: 2, c: 3, d: 4 }), 'context works'); assert.notOk(_.some(['x', 'y', 'z'], _.hasOwnProperty, {a: 1, b: 2, c: 3, d: 4}), 'context works');
}); });
QUnit.test('any', function(assert) { QUnit.test('any', function(assert) {
assert.strictEqual(_.any, _.some, 'is an alias for some'); assert.strictEqual(_.any, _.some, 'is an alias for some');
}); });
QUnit.test('includes', function(assert) { QUnit.test('includes', function(assert) {
_.each([null, void 0, 0, 1, NaN, {}, []], function(val) { _.each([null, void 0, 0, 1, NaN, {}, []], function(val) {
assert.strictEqual(_.includes(val, 'hasOwnProperty'), false); assert.strictEqual(_.includes(val, 'hasOwnProperty'), false);
}); });
assert.strictEqual(_.includes([1, 2, 3], 2), true, 'two is in the array'); assert.strictEqual(_.includes([1, 2, 3], 2), true, 'two is in the array');
assert.ok(!_.includes([1, 3, 9], 2), 'two is not in the array'); assert.notOk(_.includes([1, 3, 9], 2), 'two is not in the array');
assert.strictEqual(_.includes([5, 4, 3, 2, 1], 5, true), true, 'doesn\'t del egate to binary search'); assert.strictEqual(_.includes([5, 4, 3, 2, 1], 5, true), true, 'doesn\'t del egate to binary search');
assert.ok(_.includes({moe: 1, larry: 3, curly: 9}, 3) === true, '_.includes on objects checks their values'); assert.strictEqual(_.includes({moe: 1, larry: 3, curly: 9}, 3), true, '_.inc ludes on objects checks their values');
assert.ok(_([1, 2, 3]).includes(2), 'OO-style includes'); assert.ok(_([1, 2, 3]).includes(2), 'OO-style includes');
var numbers = [1, 2, 3, 1, 2, 3, 1, 2, 3]; var numbers = [1, 2, 3, 1, 2, 3, 1, 2, 3];
assert.strictEqual(_.includes(numbers, 1, 1), true, 'takes a fromIndex'); assert.strictEqual(_.includes(numbers, 1, 1), true, 'takes a fromIndex');
assert.strictEqual(_.includes(numbers, 1, -1), false, 'takes a fromIndex'); assert.strictEqual(_.includes(numbers, 1, -1), false, 'takes a fromIndex');
assert.strictEqual(_.includes(numbers, 1, -2), false, 'takes a fromIndex'); assert.strictEqual(_.includes(numbers, 1, -2), false, 'takes a fromIndex');
assert.strictEqual(_.includes(numbers, 1, -3), true, 'takes a fromIndex'); assert.strictEqual(_.includes(numbers, 1, -3), true, 'takes a fromIndex');
assert.strictEqual(_.includes(numbers, 1, 6), true, 'takes a fromIndex'); assert.strictEqual(_.includes(numbers, 1, 6), true, 'takes a fromIndex');
assert.strictEqual(_.includes(numbers, 1, 7), false, 'takes a fromIndex'); assert.strictEqual(_.includes(numbers, 1, 7), false, 'takes a fromIndex');
skipping to change at line 550 skipping to change at line 550
} }
var expect = {c: 1, x: 'foo', y: 5}; var expect = {c: 1, x: 'foo', y: 5};
assert.deepEqual(_.findWhere([{y: 5, b: 6}, expect], new TestClass()), expec t, 'uses class instance properties'); assert.deepEqual(_.findWhere([{y: 5, b: 6}, expect], new TestClass()), expec t, 'uses class instance properties');
}); });
QUnit.test('max', function(assert) { QUnit.test('max', function(assert) {
assert.equal(-Infinity, _.max(null), 'can handle null/undefined'); assert.equal(-Infinity, _.max(null), 'can handle null/undefined');
assert.equal(-Infinity, _.max(void 0), 'can handle null/undefined'); assert.equal(-Infinity, _.max(void 0), 'can handle null/undefined');
assert.equal(-Infinity, _.max(null, _.identity), 'can handle null/undefined' ); assert.equal(-Infinity, _.max(null, _.identity), 'can handle null/undefined' );
assert.equal(3, _.max([1, 2, 3]), 'can perform a regular Math.max'); assert.equal(_.max([1, 2, 3]), 3, 'can perform a regular Math.max');
var neg = _.max([1, 2, 3], function(num){ return -num; }); var neg = _.max([1, 2, 3], function(num){ return -num; });
assert.equal(neg, 1, 'can perform a computation-based max'); assert.equal(neg, 1, 'can perform a computation-based max');
assert.equal(-Infinity, _.max({}), 'Maximum value of an empty object'); assert.equal(-Infinity, _.max({}), 'Maximum value of an empty object');
assert.equal(-Infinity, _.max([]), 'Maximum value of an empty array'); assert.equal(-Infinity, _.max([]), 'Maximum value of an empty array');
assert.equal(_.max({a: 'a'}), -Infinity, 'Maximum value of a non-numeric col lection'); assert.equal(_.max({a: 'a'}), -Infinity, 'Maximum value of a non-numeric col lection');
assert.equal(299999, _.max(_.range(1, 300000)), 'Maximum value of a too-big array'); assert.equal(_.max(_.range(1, 300000)), 299999, 'Maximum value of a too-big array');
assert.equal(3, _.max([1, 2, 3, 'test']), 'Finds correct max in array starti assert.equal(_.max([1, 2, 3, 'test']), 3, 'Finds correct max in array starti
ng with num and containing a NaN'); ng with num and containing a NaN');
assert.equal(3, _.max(['test', 1, 2, 3]), 'Finds correct max in array starti assert.equal(_.max(['test', 1, 2, 3]), 3, 'Finds correct max in array starti
ng with NaN'); ng with NaN');
assert.equal(3, _.max([1, 2, 3, null]), 'Finds correct max in array starting assert.equal(_.max([1, 2, 3, null]), 3, 'Finds correct max in array starting
with num and containing a `null`'); with num and containing a `null`');
assert.equal(3, _.max([null, 1, 2, 3]), 'Finds correct max in array starting assert.equal(_.max([null, 1, 2, 3]), 3, 'Finds correct max in array starting
with a `null`'); with a `null`');
assert.equal(3, _.max([1, 2, 3, '']), 'Finds correct max in array starting w assert.equal(_.max([1, 2, 3, '']), 3, 'Finds correct max in array starting w
ith num and containing an empty string'); ith num and containing an empty string');
assert.equal(3, _.max(['', 1, 2, 3]), 'Finds correct max in array starting w assert.equal(_.max(['', 1, 2, 3]), 3, 'Finds correct max in array starting w
ith an empty string'); ith an empty string');
assert.equal(3, _.max([1, 2, 3, false]), 'Finds correct max in array startin assert.equal(_.max([1, 2, 3, false]), 3, 'Finds correct max in array startin
g with num and containing a false'); g with num and containing a false');
assert.equal(3, _.max([false, 1, 2, 3]), 'Finds correct max in array startin assert.equal(_.max([false, 1, 2, 3]), 3, 'Finds correct max in array startin
g with a false'); g with a false');
assert.equal(4, _.max([0, 1, 2, 3, 4]), 'Finds correct max in array containi assert.equal(_.max([0, 1, 2, 3, 4]), 4, 'Finds correct max in array containi
ng a zero'); ng a zero');
assert.equal(0, _.max([-3, -2, -1, 0]), 'Finds correct max in array containi assert.equal(_.max([-3, -2, -1, 0]), 0, 'Finds correct max in array containi
ng negative numbers'); ng negative numbers');
assert.deepEqual([3, 6], _.map([[1, 2, 3], [4, 5, 6]], _.max), 'Finds correc t max in array when mapping through multiple arrays'); assert.deepEqual(_.map([[1, 2, 3], [4, 5, 6]], _.max), [3, 6], 'Finds correc t max in array when mapping through multiple arrays');
var a = {x: -Infinity}; var a = {x: -Infinity};
var b = {x: -Infinity}; var b = {x: -Infinity};
var iterator = function(o){ return o.x; }; var iterator = function(o){ return o.x; };
assert.equal(_.max([a, b], iterator), a, 'Respects iterator return value of -Infinity'); assert.equal(_.max([a, b], iterator), a, 'Respects iterator return value of -Infinity');
assert.deepEqual(_.max([{a: 1}, {a: 0, b: 3}, {a: 4}, {a: 2}], 'a'), {a: 4}, 'String keys use property iterator'); assert.deepEqual(_.max([{a: 1}, {a: 0, b: 3}, {a: 4}, {a: 2}], 'a'), {a: 4}, 'String keys use property iterator');
assert.deepEqual(_.max([0, 2], function(c){ return c * this.x; }, {x: 1}), 2 , 'Iterator context'); assert.deepEqual(_.max([0, 2], function(c){ return c * this.x; }, {x: 1}), 2 , 'Iterator context');
assert.deepEqual(_.max([[1], [2, 3], [-1, 4], [5]], 0), [5], 'Lookup falsy i terator'); assert.deepEqual(_.max([[1], [2, 3], [-1, 4], [5]], 0), [5], 'Lookup falsy i terator');
assert.deepEqual(_.max([{0: 1}, {0: 2}, {0: -1}, {a: 1}], 0), {0: 2}, 'Looku p falsy iterator'); assert.deepEqual(_.max([{0: 1}, {0: 2}, {0: -1}, {a: 1}], 0), {0: 2}, 'Looku p falsy iterator');
}); });
QUnit.test('min', function(assert) { QUnit.test('min', function(assert) {
assert.equal(Infinity, _.min(null), 'can handle null/undefined'); assert.equal(_.min(null), Infinity, 'can handle null/undefined');
assert.equal(Infinity, _.min(void 0), 'can handle null/undefined'); assert.equal(_.min(void 0), Infinity, 'can handle null/undefined');
assert.equal(Infinity, _.min(null, _.identity), 'can handle null/undefined') assert.equal(_.min(null, _.identity), Infinity, 'can handle null/undefined')
; ;
assert.equal(1, _.min([1, 2, 3]), 'can perform a regular Math.min'); assert.equal(_.min([1, 2, 3]), 1, 'can perform a regular Math.min');
var neg = _.min([1, 2, 3], function(num){ return -num; }); var neg = _.min([1, 2, 3], function(num){ return -num; });
assert.equal(neg, 3, 'can perform a computation-based min'); assert.equal(neg, 3, 'can perform a computation-based min');
assert.equal(Infinity, _.min({}), 'Minimum value of an empty object'); assert.equal(_.min({}), Infinity, 'Minimum value of an empty object');
assert.equal(Infinity, _.min([]), 'Minimum value of an empty array'); assert.equal(_.min([]), Infinity, 'Minimum value of an empty array');
assert.equal(_.min({a: 'a'}), Infinity, 'Minimum value of a non-numeric coll ection'); assert.equal(_.min({a: 'a'}), Infinity, 'Minimum value of a non-numeric coll ection');
assert.deepEqual([1, 4], _.map([[1, 2, 3], [4, 5, 6]], _.min), 'Finds correc t min in array when mapping through multiple arrays'); assert.deepEqual(_.map([[1, 2, 3], [4, 5, 6]], _.min), [1, 4], 'Finds correc t min in array when mapping through multiple arrays');
var now = new Date(9999999999); var now = new Date(9999999999);
var then = new Date(0); var then = new Date(0);
assert.equal(_.min([now, then]), then); assert.equal(_.min([now, then]), then);
assert.equal(1, _.min(_.range(1, 300000)), 'Minimum value of a too-big array '); assert.equal(_.min(_.range(1, 300000)), 1, 'Minimum value of a too-big array ');
assert.equal(1, _.min([1, 2, 3, 'test']), 'Finds correct min in array starti assert.equal(_.min([1, 2, 3, 'test']), 1, 'Finds correct min in array starti
ng with num and containing a NaN'); ng with num and containing a NaN');
assert.equal(1, _.min(['test', 1, 2, 3]), 'Finds correct min in array starti assert.equal(_.min(['test', 1, 2, 3]), 1, 'Finds correct min in array starti
ng with NaN'); ng with NaN');
assert.equal(1, _.min([1, 2, 3, null]), 'Finds correct min in array starting assert.equal(_.min([1, 2, 3, null]), 1, 'Finds correct min in array starting
with num and containing a `null`'); with num and containing a `null`');
assert.equal(1, _.min([null, 1, 2, 3]), 'Finds correct min in array starting assert.equal(_.min([null, 1, 2, 3]), 1, 'Finds correct min in array starting
with a `null`'); with a `null`');
assert.equal(0, _.min([0, 1, 2, 3, 4]), 'Finds correct min in array containi assert.equal(_.min([0, 1, 2, 3, 4]), 0, 'Finds correct min in array containi
ng a zero'); ng a zero');
assert.equal(-3, _.min([-3, -2, -1, 0]), 'Finds correct min in array contain assert.equal(_.min([-3, -2, -1, 0]), -3, 'Finds correct min in array contain
ing negative numbers'); ing negative numbers');
var a = {x: Infinity}; var a = {x: Infinity};
var b = {x: Infinity}; var b = {x: Infinity};
var iterator = function(o){ return o.x; }; var iterator = function(o){ return o.x; };
assert.equal(_.min([a, b], iterator), a, 'Respects iterator return value of Infinity'); assert.equal(_.min([a, b], iterator), a, 'Respects iterator return value of Infinity');
assert.deepEqual(_.min([{a: 1}, {a: 0, b: 3}, {a: 4}, {a: 2}], 'a'), {a: 0, b: 3}, 'String keys use property iterator'); assert.deepEqual(_.min([{a: 1}, {a: 0, b: 3}, {a: 4}, {a: 2}], 'a'), {a: 0, b: 3}, 'String keys use property iterator');
assert.deepEqual(_.min([0, 2], function(c){ return c * this.x; }, {x: -1}), 2, 'Iterator context'); assert.deepEqual(_.min([0, 2], function(c){ return c * this.x; }, {x: -1}), 2, 'Iterator context');
assert.deepEqual(_.min([[1], [2, 3], [-1, 4], [5]], 0), [-1, 4], 'Lookup fal sy iterator'); assert.deepEqual(_.min([[1], [2, 3], [-1, 4], [5]], 0), [-1, 4], 'Lookup fal sy iterator');
skipping to change at line 693 skipping to change at line 693
assert.ok('0' in parity && '1' in parity, 'created a group for each value'); assert.ok('0' in parity && '1' in parity, 'created a group for each value');
assert.deepEqual(parity[0], [2, 4, 6], 'put each even number in the right gr oup'); assert.deepEqual(parity[0], [2, 4, 6], 'put each even number in the right gr oup');
var list = ['one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine', 'ten']; var list = ['one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine', 'ten'];
var grouped = _.groupBy(list, 'length'); var grouped = _.groupBy(list, 'length');
assert.deepEqual(grouped['3'], ['one', 'two', 'six', 'ten']); assert.deepEqual(grouped['3'], ['one', 'two', 'six', 'ten']);
assert.deepEqual(grouped['4'], ['four', 'five', 'nine']); assert.deepEqual(grouped['4'], ['four', 'five', 'nine']);
assert.deepEqual(grouped['5'], ['three', 'seven', 'eight']); assert.deepEqual(grouped['5'], ['three', 'seven', 'eight']);
var context = {}; var context = {};
_.groupBy([{}], function(){ assert.ok(this === context); }, context); _.groupBy([{}], function(){ assert.strictEqual(this, context); }, context);
grouped = _.groupBy([4.2, 6.1, 6.4], function(num) { grouped = _.groupBy([4.2, 6.1, 6.4], function(num) {
return Math.floor(num) > 4 ? 'hasOwnProperty' : 'constructor'; return Math.floor(num) > 4 ? 'hasOwnProperty' : 'constructor';
}); });
assert.equal(grouped.constructor.length, 1); assert.equal(grouped.constructor.length, 1);
assert.equal(grouped.hasOwnProperty.length, 2); assert.equal(grouped.hasOwnProperty.length, 2);
var array = [{}]; var array = [{}];
_.groupBy(array, function(value, index, obj){ assert.ok(obj === array); }); _.groupBy(array, function(value, index, obj){ assert.strictEqual(obj, array) ; });
array = [1, 2, 1, 2, 3]; array = [1, 2, 1, 2, 3];
grouped = _.groupBy(array); grouped = _.groupBy(array);
assert.equal(grouped['1'].length, 2); assert.equal(grouped['1'].length, 2);
assert.equal(grouped['3'].length, 1); assert.equal(grouped['3'].length, 1);
var matrix = [ var matrix = [
[1, 2], [1, 2],
[1, 3], [1, 3],
[2, 3] [2, 3]
skipping to change at line 748 skipping to change at line 748
assert.equal(parity['true'], 2); assert.equal(parity['true'], 2);
assert.equal(parity['false'], 3); assert.equal(parity['false'], 3);
var list = ['one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine', 'ten']; var list = ['one', 'two', 'three', 'four', 'five', 'six', 'seven', 'eight', 'nine', 'ten'];
var grouped = _.countBy(list, 'length'); var grouped = _.countBy(list, 'length');
assert.equal(grouped['3'], 4); assert.equal(grouped['3'], 4);
assert.equal(grouped['4'], 3); assert.equal(grouped['4'], 3);
assert.equal(grouped['5'], 3); assert.equal(grouped['5'], 3);
var context = {}; var context = {};
_.countBy([{}], function(){ assert.ok(this === context); }, context); _.countBy([{}], function(){ assert.strictEqual(this, context); }, context);
grouped = _.countBy([4.2, 6.1, 6.4], function(num) { grouped = _.countBy([4.2, 6.1, 6.4], function(num) {
return Math.floor(num) > 4 ? 'hasOwnProperty' : 'constructor'; return Math.floor(num) > 4 ? 'hasOwnProperty' : 'constructor';
}); });
assert.equal(grouped.constructor, 1); assert.equal(grouped.constructor, 1);
assert.equal(grouped.hasOwnProperty, 2); assert.equal(grouped.hasOwnProperty, 2);
var array = [{}]; var array = [{}];
_.countBy(array, function(value, index, obj){ assert.ok(obj === array); }); _.countBy(array, function(value, index, obj){ assert.strictEqual(obj, array) ; });
array = [1, 2, 1, 2, 3]; array = [1, 2, 1, 2, 3];
grouped = _.countBy(array); grouped = _.countBy(array);
assert.equal(grouped['1'], 2); assert.equal(grouped['1'], 2);
assert.equal(grouped['3'], 1); assert.equal(grouped['3'], 1);
}); });
QUnit.test('shuffle', function(assert) { QUnit.test('shuffle', function(assert) {
assert.deepEqual(_.shuffle([1]), [1], 'behaves correctly on size 1 arrays'); assert.deepEqual(_.shuffle([1]), [1], 'behaves correctly on size 1 arrays');
var numbers = _.range(20); var numbers = _.range(20);
skipping to change at line 798 skipping to change at line 798
assert.notStrictEqual(_.sample([], 5), [], 'sampling empty array with a numb er returns an empty array'); assert.notStrictEqual(_.sample([], 5), [], 'sampling empty array with a numb er returns an empty array');
assert.notStrictEqual(_.sample([1, 2, 3], 0), [], 'sampling an array with 0 picks returns an empty array'); assert.notStrictEqual(_.sample([1, 2, 3], 0), [], 'sampling an array with 0 picks returns an empty array');
assert.deepEqual(_.sample([1, 2], -1), [], 'sampling a negative number of pi cks returns an empty array'); assert.deepEqual(_.sample([1, 2], -1), [], 'sampling a negative number of pi cks returns an empty array');
assert.ok(_.contains([1, 2, 3], _.sample({a: 1, b: 2, c: 3})), 'sample one v alue from an object'); assert.ok(_.contains([1, 2, 3], _.sample({a: 1, b: 2, c: 3})), 'sample one v alue from an object');
var partialSample = _.sample(_.range(1000), 10); var partialSample = _.sample(_.range(1000), 10);
var partialSampleSorted = partialSample.sort(); var partialSampleSorted = partialSample.sort();
assert.notDeepEqual(partialSampleSorted, _.range(10), 'samples from the whol e array, not just the beginning'); assert.notDeepEqual(partialSampleSorted, _.range(10), 'samples from the whol e array, not just the beginning');
}); });
QUnit.test('toArray', function(assert) { QUnit.test('toArray', function(assert) {
assert.ok(!_.isArray(arguments), 'arguments object is not an array'); assert.notOk(_.isArray(arguments), 'arguments object is not an array');
assert.ok(_.isArray(_.toArray(arguments)), 'arguments object converted into array'); assert.ok(_.isArray(_.toArray(arguments)), 'arguments object converted into array');
var a = [1, 2, 3]; var a = [1, 2, 3];
assert.ok(_.toArray(a) !== a, 'array is cloned'); assert.notStrictEqual(_.toArray(a), a, 'array is cloned');
assert.deepEqual(_.toArray(a), [1, 2, 3], 'cloned array contains same elemen ts'); assert.deepEqual(_.toArray(a), [1, 2, 3], 'cloned array contains same elemen ts');
var numbers = _.toArray({one: 1, two: 2, three: 3}); var numbers = _.toArray({one: 1, two: 2, three: 3});
assert.deepEqual(numbers, [1, 2, 3], 'object flattened into array'); assert.deepEqual(numbers, [1, 2, 3], 'object flattened into array');
var hearts = '\uD83D\uDC95'; var hearts = '\uD83D\uDC95';
var pair = hearts.split(''); var pair = hearts.split('');
var expected = [pair[0], hearts, '&', hearts, pair[1]]; var expected = [pair[0], hearts, '&', hearts, pair[1]];
assert.deepEqual(_.toArray(expected.join('')), expected, 'maintains astral c haracters'); assert.deepEqual(_.toArray(expected.join('')), expected, 'maintains astral c haracters');
assert.deepEqual(_.toArray(''), [], 'empty string into empty array'); assert.deepEqual(_.toArray(''), [], 'empty string into empty array');
skipping to change at line 883 skipping to change at line 883
QUnit.test('Can use various collection methods on NodeLists', function(asser t) { QUnit.test('Can use various collection methods on NodeLists', function(asser t) {
var parent = document.createElement('div'); var parent = document.createElement('div');
parent.innerHTML = '<span id=id1></span>textnode<span id=id2></span>'; parent.innerHTML = '<span id=id1></span>textnode<span id=id2></span>';
var elementChildren = _.filter(parent.childNodes, _.isElement); var elementChildren = _.filter(parent.childNodes, _.isElement);
assert.equal(elementChildren.length, 2); assert.equal(elementChildren.length, 2);
assert.deepEqual(_.map(elementChildren, 'id'), ['id1', 'id2']); assert.deepEqual(_.map(elementChildren, 'id'), ['id1', 'id2']);
assert.deepEqual(_.map(parent.childNodes, 'nodeType'), [1, 3, 1]); assert.deepEqual(_.map(parent.childNodes, 'nodeType'), [1, 3, 1]);
assert.ok(!_.every(parent.childNodes, _.isElement)); assert.notOk(_.every(parent.childNodes, _.isElement));
assert.ok(_.some(parent.childNodes, _.isElement)); assert.ok(_.some(parent.childNodes, _.isElement));
function compareNode(node) { function compareNode(node) {
return _.isElement(node) ? node.id.charAt(2) : void 0; return _.isElement(node) ? node.id.charAt(2) : void 0;
} }
assert.equal(_.max(parent.childNodes, compareNode), _.last(parent.childNod es)); assert.equal(_.max(parent.childNodes, compareNode), _.last(parent.childNod es));
assert.equal(_.min(parent.childNodes, compareNode), _.first(parent.childNo des)); assert.equal(_.min(parent.childNodes, compareNode), _.first(parent.childNo des));
}); });
} }
 End of changes. 41 change blocks. 
79 lines changed or deleted 82 lines changed or added

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