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test-fp.js
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			;(function() {

			/** Used as a safe reference for `undefined` in pre-ES5 environments. */
			var undefined;

			/** Used as the size to cover large array optimizations. */
			var LARGE_ARRAY_SIZE = 200;

			/** Used as a reference to the global object. */
			var root = (typeof global == 'object' && global) \|\| this;

			/** Used for native method references. */
			var arrayProto = Array.prototype;

			/** Method and object shortcuts. */
			var phantom = root.phantom,
			argv = root.process && process.argv,
			document = !phantom && root.document,
			slice = arrayProto.slice,
			WeakMap = root.WeakMap;

			/** Math helpers. */
			var add = function(x, y) { return x + y; },
			isEven = function(n) { return n % 2 == 0; },
			square = function(n) { return n * n; };

			// Leak to avoid sporadic `noglobals` fails on Edge in Sauce Labs.
			root.msWDfn = undefined;

			/--------------------------------------------------------------------------/

			/** Load QUnit and extras. */
			var QUnit = root.QUnit \|\| require('qunit-extras');

			/** Load stable Lodash. */
			var _ = root._ \|\| require('../lodash.js');

			var convert = (function() {
			var baseConvert = root.fp \|\| require('../fp/_baseConvert.js');
			if (!root.fp) {
			return function(name, func, options) {
			return baseConvert(_, name, func, options);
			};
			}
			return function(name, func, options) {
			if (typeof name == 'function') {
			options = func;
			func = name;
			name = undefined;
			}
			return name === undefined
			? baseConvert(func, options)
			: baseConvert(_.runInContext(), options)[name];
			};
			}());

			var allFalseOptions = {
			'cap': false,
			'curry': false,
			'fixed': false,
			'immutable': false,
			'rearg': false
			};

			var fp = root.fp
			? (fp = _.noConflict(), _ = root._, fp)
			: convert(_.runInContext());

			var mapping = root.mapping \|\| require('../fp/_mapping.js');

			/--------------------------------------------------------------------------/

			/**
			* Skips a given number of tests with a passing result.
			*
			* @private
			* @param {Object} assert The QUnit assert object.
			* @param {number} [count=1] The number of tests to skip.
			*/
			function skipAssert(assert, count) {
			count \|\| (count = 1);
			while (count--) {
			assert.ok(true, 'test skipped');
			}
			}

			/--------------------------------------------------------------------------/

			if (argv) {
			console.log('Running lodash/fp tests.');
			}

			QUnit.module('convert module');

			(function() {
			QUnit.test('should work with `name` and `func`', function(assert) {
			assert.expect(2);

			var array = [1, 2, 3, 4],
			remove = convert('remove', _.remove),
			actual = remove(isEven)(array);

			assert.deepEqual(array, [1, 2, 3, 4]);
			assert.deepEqual(actual, [1, 3]);
			});

			QUnit.test('should work with `name`, `func`, and `options`', function(assert) {
			assert.expect(3);

			var array = [1, 2, 3, 4],
			remove = convert('remove', _.remove, allFalseOptions);

			var actual = remove(array, function(n, index) {
			return isEven(index);
			});

			assert.deepEqual(array, [2, 4]);
			assert.deepEqual(actual, [1, 3]);
			assert.deepEqual(remove(), []);
			});

			QUnit.test('should work with an object', function(assert) {
			assert.expect(2);

			if (!document) {
			var array = [1, 2, 3, 4],
			lodash = convert({ 'remove': _.remove }),
			actual = lodash.remove(isEven)(array);

			assert.deepEqual(array, [1, 2, 3, 4]);
			assert.deepEqual(actual, [1, 3]);
			}
			else {
			skipAssert(assert, 2);
			}
			});

			QUnit.test('should work with an object and `options`', function(assert) {
			assert.expect(3);

			if (!document) {
			var array = [1, 2, 3, 4],
			lodash = convert({ 'remove': _.remove }, allFalseOptions);

			var actual = lodash.remove(array, function(n, index) {
			return isEven(index);
			});

			assert.deepEqual(array, [2, 4]);
			assert.deepEqual(actual, [1, 3]);
			assert.deepEqual(lodash.remove(), []);
			}
			else {
			skipAssert(assert, 3);
			}
			});

			QUnit.test('should work with lodash and `options`', function(assert) {
			assert.expect(3);

			var array = [1, 2, 3, 4],
			lodash = convert(_.runInContext(), allFalseOptions);

			var actual = lodash.remove(array, function(n, index) {
			return isEven(index);
			});

			assert.deepEqual(array, [2, 4]);
			assert.deepEqual(actual, [1, 3]);
			assert.deepEqual(lodash.remove(), []);
			});

			QUnit.test('should work with `runInContext` and `options`', function(assert) {
			assert.expect(3);

			var array = [1, 2, 3, 4],
			runInContext = convert('runInContext', _.runInContext, allFalseOptions),
			lodash = runInContext();

			var actual = lodash.remove(array, function(n, index) {
			return isEven(index);
			});

			assert.deepEqual(array, [2, 4]);
			assert.deepEqual(actual, [1, 3]);
			assert.deepEqual(lodash.remove(), []);
			});

			QUnit.test('should accept a variety of options', function(assert) {
			assert.expect(8);

			var array = [1, 2, 3, 4],
			value = _.clone(array),
			remove = convert('remove', _.remove, { 'cap': false }),
			actual = remove(function(n, index) { return isEven(index); })(value);

			assert.deepEqual(value, [1, 2, 3, 4]);
			assert.deepEqual(actual, [2, 4]);

			remove = convert('remove', _.remove, { 'curry': false });
			actual = remove(isEven);

			assert.deepEqual(actual, []);

			var trim = convert('trim', _.trim, { 'fixed': false });
			assert.strictEqual(trim('_-abc-_', '_-'), 'abc');

			value = _.clone(array);
			remove = convert('remove', _.remove, { 'immutable': false });
			actual = remove(isEven)(value);

			assert.deepEqual(value, [1, 3]);
			assert.deepEqual(actual, [2, 4]);

			value = _.clone(array);
			remove = convert('remove', _.remove, { 'rearg': false });
			actual = remove(value)(isEven);

			assert.deepEqual(value, [1, 2, 3, 4]);
			assert.deepEqual(actual, [1, 3]);
			});

			QUnit.test('should respect the `cap` option', function(assert) {
			assert.expect(1);

			var iteratee = convert('iteratee', _.iteratee, { 'cap': false });

			var func = iteratee(function(a, b, c) {
			return [a, b, c];
			}, 3);

			assert.deepEqual(func(1, 2, 3), [1, 2, 3]);
			});

			QUnit.test('should respect the `rearg` option', function(assert) {
			assert.expect(1);

			var add = convert('add', _.add, { 'rearg': true });

			assert.strictEqual(add('2')('1'), '12');
			});

			QUnit.test('should only add a `placeholder` property if needed', function(assert) {
			assert.expect(2);

			if (!document) {
			var methodNames = _.keys(mapping.placeholder),
			expected = _.map(methodNames, _.constant(true));

			var actual = _.map(methodNames, function(methodName) {
			var object = {};
			object[methodName] = _[methodName];

			var lodash = convert(object);
			return methodName in lodash;
			});

			assert.deepEqual(actual, expected);

			var lodash = convert({ 'add': _.add });
			assert.notOk('placeholder' in lodash);
			}
			else {
			skipAssert(assert, 2);
			}
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('method.convert');

			(function() {
			QUnit.test('should exist on unconverted methods', function(assert) {
			assert.expect(2);

			var array = [],
			isArray = fp.isArray.convert({ 'curry': true });

			assert.strictEqual(fp.isArray(array), true);
			assert.strictEqual(isArray()(array), true);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('convert methods');

			_.each(['fp.convert', 'method.convert'], function(methodName) {
			var isFp = methodName == 'fp.convert',
			func = isFp ? fp.convert : fp.remove.convert;

			QUnit.test('`' + methodName + '` should work with an object', function(assert) {
			assert.expect(3);

			var array = [1, 2, 3, 4],
			lodash = func(allFalseOptions),
			remove = isFp ? lodash.remove : lodash;

			var actual = remove(array, function(n, index) {
			return isEven(index);
			});

			assert.deepEqual(array, [2, 4]);
			assert.deepEqual(actual, [1, 3]);
			assert.deepEqual(remove(), []);
			});

			QUnit.test('`' + methodName + '` should extend existing configs', function(assert) {
			assert.expect(2);

			var array = [1, 2, 3, 4],
			lodash = func({ 'cap': false }),
			remove = (isFp ? lodash.remove : lodash).convert({ 'rearg': false });

			var actual = remove(array)(function(n, index) {
			return isEven(index);
			});

			assert.deepEqual(array, [1, 2, 3, 4]);
			assert.deepEqual(actual, [2, 4]);
			});
			});

			/--------------------------------------------------------------------------/

			QUnit.module('method arity checks');

			(function() {
			QUnit.test('should wrap methods with an arity > `1`', function(assert) {
			assert.expect(1);

			var methodNames = _.filter(_.functions(fp), function(methodName) {
			return fp[methodName].length > 1;
			});

			assert.deepEqual(methodNames, []);
			});

			QUnit.test('should have >= arity of `aryMethod` designation', function(assert) {
			assert.expect(4);

			_.times(4, function(index) {
			var aryCap = index + 1;

			var methodNames = _.filter(mapping.aryMethod[aryCap], function(methodName) {
			var key = _.result(mapping.remap, methodName, methodName),
			arity = _[key].length;

			return arity != 0 && arity < aryCap;
			});

			assert.deepEqual(methodNames, [], '`aryMethod[' + aryCap + ']`');
			});
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('method aliases');

			(function() {
			QUnit.test('should have correct aliases', function(assert) {
			assert.expect(1);

			var actual = _.transform(mapping.aliasToReal, function(result, realName, alias) {
			result.push([alias, fp[alias] === fp[realName]]);
			}, []);

			assert.deepEqual(_.reject(actual, 1), []);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('method ary caps');

			(function() {
			QUnit.test('should have a cap of 1', function(assert) {
			assert.expect(1);

			var funcMethods = [
			'curry', 'iteratee', 'memoize', 'over', 'overEvery', 'overSome',
			'method', 'methodOf', 'rest', 'runInContext'
			];

			var exceptions = funcMethods.concat('mixin', 'template'),
			expected = _.map(mapping.aryMethod[1], _.constant(true));

			var actual = _.map(mapping.aryMethod[1], function(methodName) {
			var arg = _.includes(funcMethods, methodName) ? _.noop : 1,
			result = _.attempt(function() { return fp[methodName](arg); });

			if (_.includes(exceptions, methodName)
			? typeof result == 'function'
			: typeof result != 'function'
			) {
			return true;
			}
			console.log(methodName, result);
			return false;
			});

			assert.deepEqual(actual, expected);
			});

			QUnit.test('should have a cap of 2', function(assert) {
			assert.expect(1);

			var funcMethods = [
			'after', 'ary', 'before', 'bind', 'bindKey', 'curryN', 'debounce',
			'delay', 'overArgs', 'partial', 'partialRight', 'rearg', 'throttle',
			'wrap'
			];

			var exceptions = _.difference(funcMethods.concat('matchesProperty'), ['cloneDeepWith', 'cloneWith', 'delay']),
			expected = _.map(mapping.aryMethod[2], _.constant(true));

			var actual = _.map(mapping.aryMethod[2], function(methodName) {
			var args = _.includes(funcMethods, methodName) ? [methodName == 'curryN' ? 1 : _.noop, _.noop] : [1, []],
			result = _.attempt(function() { return fp[methodName](args[0])(args[1]); });

			if (_.includes(exceptions, methodName)
			? typeof result == 'function'
			: typeof result != 'function'
			) {
			return true;
			}
			console.log(methodName, result);
			return false;
			});

			assert.deepEqual(actual, expected);
			});

			QUnit.test('should have a cap of 3', function(assert) {
			assert.expect(1);

			var funcMethods = [
			'assignWith', 'extendWith', 'isEqualWith', 'isMatchWith', 'reduce',
			'reduceRight', 'transform', 'zipWith'
			];

			var expected = _.map(mapping.aryMethod[3], _.constant(true));

			var actual = _.map(mapping.aryMethod[3], function(methodName) {
			var args = _.includes(funcMethods, methodName) ? [_.noop, 0, 1] : [0, 1, []],
			result = _.attempt(function() { return fp[methodName](args[0])(args[1])(args[2]); });

			if (typeof result != 'function') {
			return true;
			}
			console.log(methodName, result);
			return false;
			});

			assert.deepEqual(actual, expected);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('methods that use `indexOf`');

			(function() {
			QUnit.test('should work with `fp.indexOf`', function(assert) {
			assert.expect(10);

			var array = ['a', 'b', 'c'],
			other = ['b', 'd', 'b'],
			object = { 'a': 1, 'b': 2, 'c': 2 },
			actual = fp.difference(array)(other);

			assert.deepEqual(actual, ['a', 'c'], 'fp.difference');

			actual = fp.includes('b')(array);
			assert.strictEqual(actual, true, 'fp.includes');

			actual = fp.intersection(other)(array);
			assert.deepEqual(actual, ['b'], 'fp.intersection');

			actual = fp.omit(other)(object);
			assert.deepEqual(actual, { 'a': 1, 'c': 2 }, 'fp.omit');

			actual = fp.union(other)(array);
			assert.deepEqual(actual, ['a', 'b', 'c', 'd'], 'fp.union');

			actual = fp.uniq(other);
			assert.deepEqual(actual, ['b', 'd'], 'fp.uniq');

			actual = fp.uniqBy(_.identity, other);
			assert.deepEqual(actual, ['b', 'd'], 'fp.uniqBy');

			actual = fp.without(other)(array);
			assert.deepEqual(actual, ['a', 'c'], 'fp.without');

			actual = fp.xor(other)(array);
			assert.deepEqual(actual, ['a', 'c', 'd'], 'fp.xor');

			actual = fp.pull('b')(array);
			assert.deepEqual(actual, ['a', 'c'], 'fp.pull');
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('cherry-picked methods');

			(function() {
			QUnit.test('should provide the correct `iteratee` arguments', function(assert) {
			assert.expect(4);

			var args,
			array = [1, 2, 3],
			object = { 'a': 1, 'b': 2 },
			isFIFO = _.keys(object)[0] == 'a',
			map = convert('map', _.map),
			reduce = convert('reduce', _.reduce);

			map(function() {
			args \|\| (args = slice.call(arguments));
			})(array);

			assert.deepEqual(args, [1]);

			args = undefined;
			map(function() {
			args \|\| (args = slice.call(arguments));
			})(object);

			assert.deepEqual(args, isFIFO ? [1] : [2]);

			args = undefined;
			reduce(function() {
			args \|\| (args = slice.call(arguments));
			})(0)(array);

			assert.deepEqual(args, [0, 1]);

			args = undefined;
			reduce(function() {
			args \|\| (args = slice.call(arguments));
			})(0)(object);

			assert.deepEqual(args, isFIFO ? [0, 1] : [0, 2]);
			});

			QUnit.test('should not support shortcut fusion', function(assert) {
			assert.expect(3);

			var array = fp.range(0, LARGE_ARRAY_SIZE),
			filterCount = 0,
			mapCount = 0;

			var iteratee = function(value) {
			mapCount++;
			return value * value;
			};

			var predicate = function(value) {
			filterCount++;
			return isEven(value);
			};

			var map1 = convert('map', _.map),
			filter1 = convert('filter', _.filter),
			take1 = convert('take', _.take);

			var filter2 = filter1(predicate),
			map2 = map1(iteratee),
			take2 = take1(2);

			var combined = fp.flow(map2, filter2, fp.compact, take2);

			assert.deepEqual(combined(array), [4, 16]);
			assert.strictEqual(filterCount, 200, 'filterCount');
			assert.strictEqual(mapCount, 200, 'mapCount');
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('iteratee shorthands');

			(function() {
			var objects = [{ 'a': 1, 'b': 2 }, { 'a': 3, 'b': 4 }];

			QUnit.test('should work with "_.matches" shorthands', function(assert) {
			assert.expect(1);

			assert.deepEqual(fp.filter({ 'a': 3 })(objects), [objects[1]]);
			});

			QUnit.test('should work with "_.matchesProperty" shorthands', function(assert) {
			assert.expect(1);

			assert.deepEqual(fp.filter(['a', 3])(objects), [objects[1]]);
			});

			QUnit.test('should work with "_.property" shorthands', function(assert) {
			assert.expect(1);

			assert.deepEqual(fp.map('a')(objects), [1, 3]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('placeholder methods');

			(function() {
			QUnit.test('should use `fp` as the default placeholder', function(assert) {
			assert.expect(3);

			var actual = fp.add(fp, 'b')('a');
			assert.strictEqual(actual, 'ab');

			actual = fp.fill(fp, 2)(1, '*')([1, 2, 3]);
			assert.deepEqual(actual, [1, '*', 3]);

			actual = fp.slice(fp, 2)(1)(['a', 'b', 'c']);
			assert.deepEqual(actual, ['b']);
			});

			QUnit.test('should support `fp.placeholder`', function(assert) {
			assert.expect(6);

			_.each([[], fp.__], function(ph) {
			fp.placeholder = ph;

			var actual = fp.add(ph, 'b')('a');
			assert.strictEqual(actual, 'ab');

			actual = fp.fill(ph, 2)(1, '*')([1, 2, 3]);
			assert.deepEqual(actual, [1, '*', 3]);

			actual = fp.slice(ph, 2)(1)(['a', 'b', 'c']);
			assert.deepEqual(actual, ['b']);
			});
			});

			_.forOwn(mapping.placeholder, function(truthy, methodName) {
			var func = fp[methodName];

			QUnit.test('`_.' + methodName + '` should have a `placeholder` property', function(assert) {
			assert.expect(2);

			assert.ok(_.isObject(func.placeholder));
			assert.strictEqual(func.placeholder, fp.__);
			});
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('setter methods');

			(function() {
			QUnit.test('should only clone objects in `path`', function(assert) {
			assert.expect(11);

			var object = { 'a': { 'b': 2, 'c': 3 }, 'd': { 'e': 4 } },
			value = _.cloneDeep(object),
			actual = fp.set('a.b.c.d', 5, value);

			assert.ok(_.isObject(actual.a.b), 'fp.set');
			assert.ok(_.isNumber(actual.a.b), 'fp.set');

			assert.strictEqual(actual.a.b.c.d, 5, 'fp.set');
			assert.strictEqual(actual.d, value.d, 'fp.set');

			value = _.cloneDeep(object);
			actual = fp.setWith(Object)('[0][1]')('a')(value);

			assert.deepEqual(actual[0], { '1': 'a' }, 'fp.setWith');

			value = _.cloneDeep(object);
			actual = fp.unset('a.b')(value);

			assert.notOk('b' in actual.a, 'fp.unset');
			assert.strictEqual(actual.a.c, value.a.c, 'fp.unset');

			value = _.cloneDeep(object);
			actual = fp.update('a.b')(square)(value);

			assert.strictEqual(actual.a.b, 4, 'fp.update');
			assert.strictEqual(actual.d, value.d, 'fp.update');

			value = _.cloneDeep(object);
			actual = fp.updateWith(Object)('[0][1]')(_.constant('a'))(value);

			assert.deepEqual(actual[0], { '1': 'a' }, 'fp.updateWith');
			assert.strictEqual(actual.d, value.d, 'fp.updateWith');
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.add and fp.subtract');

			_.each(['add', 'subtract'], function(methodName) {
			var func = fp[methodName],
			isAdd = methodName == 'add';

			QUnit.test('`fp.' + methodName + '` should not have `rearg` applied', function(assert) {
			assert.expect(1);

			assert.strictEqual(func('1')('2'), isAdd ? '12' : -1);
			});
			});

			/--------------------------------------------------------------------------/

			QUnit.module('assign methods');

			_.each(['assign', 'assignIn', 'defaults', 'defaultsDeep', 'merge'], function(methodName) {
			var func = fp[methodName];

			QUnit.test('`fp.' + methodName + '` should not mutate values', function(assert) {
			assert.expect(2);

			var object = { 'a': 1 },
			actual = func(object)({ 'b': 2 });

			assert.deepEqual(object, { 'a': 1 });
			assert.deepEqual(actual, { 'a': 1, 'b': 2 });
			});
			});

			/--------------------------------------------------------------------------/

			QUnit.module('assignWith methods');

			_.each(['assignWith', 'assignInWith', 'extendWith'], function(methodName) {
			var func = fp[methodName];

			QUnit.test('`fp.' + methodName + '` should provide the correct `customizer` arguments', function(assert) {
			assert.expect(1);

			var args;

			func(function() {
			args \|\| (args = _.map(arguments, _.cloneDeep));
			})({ 'a': 1 })({ 'b': 2 });

			assert.deepEqual(args, [undefined, 2, 'b', { 'a': 1 }, { 'b': 2 }]);
			});

			QUnit.test('`fp.' + methodName + '` should not mutate values', function(assert) {
			assert.expect(2);

			var object = { 'a': 1 };

			var actual = func(function(objValue, srcValue) {
			return srcValue;
			})(object)({ 'b': 2 });

			assert.deepEqual(object, { 'a': 1 });
			assert.deepEqual(actual, { 'a': 1, 'b': 2 });
			});
			});

			/--------------------------------------------------------------------------/

			QUnit.module('fp.castArray');

			(function() {
			QUnit.test('should shallow clone array values', function(assert) {
			assert.expect(2);

			var array = [1],
			actual = fp.castArray(array);

			assert.deepEqual(actual, array);
			assert.notStrictEqual(actual, array);
			});

			QUnit.test('should not shallow clone non-array values', function(assert) {
			assert.expect(2);

			var object = { 'a': 1 },
			actual = fp.castArray(object);

			assert.deepEqual(actual, [object]);
			assert.strictEqual(actual[0], object);
			});

			QUnit.test('should convert by name', function(assert) {
			assert.expect(4);

			var array = [1],
			object = { 'a': 1 },
			castArray = convert('castArray', _.castArray),
			actual = castArray(array);

			assert.deepEqual(actual, array);
			assert.notStrictEqual(actual, array);

			actual = castArray(object);
			assert.deepEqual(actual, [object]);
			assert.strictEqual(actual[0], object);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('curry methods');

			_.each(['curry', 'curryRight'], function(methodName) {
			var func = fp[methodName];

			QUnit.test('`_.' + methodName + '` should only accept a `func` param', function(assert) {
			assert.expect(1);

			assert.raises(function() { func(1, _.noop); }, TypeError);
			});
			});

			/--------------------------------------------------------------------------/

			QUnit.module('curryN methods');

			_.each(['curryN', 'curryRightN'], function(methodName) {
			var func = fp[methodName];

			QUnit.test('`_.' + methodName + '` should accept an `arity` param', function(assert) {
			assert.expect(1);

			var actual = func(1)(function(a, b) { return [a, b]; })('a');
			assert.deepEqual(actual, ['a', undefined]);
			});
			});

			/--------------------------------------------------------------------------/

			QUnit.module('fp.difference');

			(function() {
			QUnit.test('should return the elements of the first array not included in the second array', function(assert) {
			assert.expect(1);

			var actual = fp.difference([2, 1], [2, 3]);
			assert.deepEqual(actual, [1]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.differenceBy');

			(function() {
			QUnit.test('should have an argument order of `iteratee`, `array`, then `values`', function(assert) {
			assert.expect(1);

			var actual = fp.differenceBy(Math.floor, [2.1, 1.2], [2.3, 3.4]);
			assert.deepEqual(actual, [1.2]);
			});

			QUnit.test('should provide the correct `iteratee` arguments', function(assert) {
			assert.expect(1);

			var args;

			fp.differenceBy(function() {
			args \|\| (args = slice.call(arguments));
			})([2.1, 1.2], [2.3, 3.4]);

			assert.deepEqual(args, [2.3]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.differenceWith');

			(function() {
			QUnit.test('should have an argument order of `comparator`, `array`, then `values`', function(assert) {
			assert.expect(1);

			var actual = fp.differenceWith(fp.eq)([2, 1])([2, 3]);
			assert.deepEqual(actual, [1]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.divide and fp.multiply');

			_.each(['divide', 'multiply'], function(methodName) {
			var func = fp[methodName],
			isDivide = methodName == 'divide';

			QUnit.test('`fp.' + methodName + '` should not have `rearg` applied', function(assert) {
			assert.expect(1);

			assert.strictEqual(func('2')('4'), isDivide ? 0.5 : 8);
			});
			});

			/--------------------------------------------------------------------------/

			QUnit.module('fp.extend');

			(function() {
			QUnit.test('should convert by name', function(assert) {
			assert.expect(2);

			function Foo() {}
			Foo.prototype = { 'b': 2 };

			var object = { 'a': 1 },
			extend = convert('extend', _.extend),
			value = _.clone(object),
			actual = extend(value)(new Foo);

			assert.deepEqual(value, object);
			assert.deepEqual(actual, { 'a': 1, 'b': 2 });
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.fill');

			(function() {
			QUnit.test('should have an argument order of `start`, `end`, then `value`', function(assert) {
			assert.expect(1);

			var array = [1, 2, 3];
			assert.deepEqual(fp.fill(1)(2)('')(array), [1, '', 3]);
			});

			QUnit.test('should not mutate values', function(assert) {
			assert.expect(2);

			var array = [1, 2, 3],
			actual = fp.fill(1)(2)('*')(array);

			assert.deepEqual(array, [1, 2, 3]);
			assert.deepEqual(actual, [1, '*', 3]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.findFrom methods');

			_.each(['findFrom', 'findIndexFrom', 'findLastFrom', 'findLastIndexFrom'], function(methodName) {
			var func = fp[methodName];

			QUnit.test('`_.' + methodName + '` should provide the correct `predicate` arguments', function(assert) {
			assert.expect(1);

			var args;

			func(function() {
			args \|\| (args = slice.call(arguments));
			})(1)([1, 2, 3]);

			assert.deepEqual(args, [2]);
			});
			});

			/--------------------------------------------------------------------------/

			QUnit.module('fp.findFrom');

			(function() {
			function resolve(value) {
			return fp.flow(fp.property('a'), fp.eq(value));
			}

			QUnit.test('should have an argument order of `value`, `fromIndex`, then `array`', function(assert) {
			assert.expect(2);

			var objects = [{ 'a': 1 }, { 'a': 2 }, { 'a': 1 }, { 'a': 2 }];

			assert.strictEqual(fp.findFrom(resolve(1))(1)(objects), objects[2]);
			assert.strictEqual(fp.findFrom(resolve(2))(-2)(objects), objects[3]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.findLastFrom');

			(function() {
			function resolve(value) {
			return fp.flow(fp.property('a'), fp.eq(value));
			}

			QUnit.test('should have an argument order of `value`, `fromIndex`, then `array`', function(assert) {
			assert.expect(2);

			var objects = [{ 'a': 1 }, { 'a': 2 }, { 'a': 1 }, { 'a': 2 }];

			assert.strictEqual(fp.findLastFrom(resolve(1))(1)(objects), objects[0]);
			assert.strictEqual(fp.findLastFrom(resolve(2))(-2)(objects), objects[1]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.findIndexFrom and fp.indexOfFrom');

			_.each(['findIndexFrom', 'indexOfFrom'], function(methodName) {
			var func = fp[methodName],
			resolve = methodName == 'findIndexFrom' ? fp.eq : _.identity;

			QUnit.test('`_.' + methodName + '` should have an argument order of `value`, `fromIndex`, then `array`', function(assert) {
			assert.expect(2);

			var array = [1, 2, 3, 1, 2, 3];

			assert.deepEqual(func(resolve(1))(2)(array), 3);
			assert.deepEqual(func(resolve(2))(-3)(array), 4);
			});
			});

			/--------------------------------------------------------------------------/

			QUnit.module('fp.findLastIndexFrom and fp.lastIndexOfFrom');

			_.each(['findLastIndexFrom', 'lastIndexOfFrom'], function(methodName) {
			var func = fp[methodName],
			resolve = methodName == 'findLastIndexFrom' ? fp.eq : _.identity;

			QUnit.test('`_.' + methodName + '` should have an argument order of `value`, `fromIndex`, then `array`', function(assert) {
			assert.expect(2);

			var array = [1, 2, 3, 1, 2, 3];

			assert.deepEqual(func(resolve(2))(3)(array), 1);
			assert.deepEqual(func(resolve(3))(-3)(array), 2);
			});
			});

			/--------------------------------------------------------------------------/

			QUnit.module('fp.flatMapDepth');

			(function() {
			QUnit.test('should have an argument order of `iteratee`, `depth`, then `collection`', function(assert) {
			assert.expect(2);

			function duplicate(n) {
			return [[[n, n]]];
			}

			var array = [1, 2],
			object = { 'a': 1, 'b': 2 },
			expected = [[1, 1], [2, 2]];

			assert.deepEqual(fp.flatMapDepth(duplicate)(2)(array), expected);
			assert.deepEqual(fp.flatMapDepth(duplicate)(2)(object), expected);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('flow methods');

			_.each(['flow', 'flowRight'], function(methodName) {
			var func = fp[methodName],
			isFlow = methodName == 'flow';

			QUnit.test('`fp.' + methodName + '` should support shortcut fusion', function(assert) {
			assert.expect(6);

			var filterCount,
			mapCount,
			array = fp.range(0, LARGE_ARRAY_SIZE);

			var iteratee = function(value) {
			mapCount++;
			return square(value);
			};

			var predicate = function(value) {
			filterCount++;
			return isEven(value);
			};

			var filter = fp.filter(predicate),
			map = fp.map(iteratee),
			take = fp.take(2);

			_.times(2, function(index) {
			var combined = isFlow
			? func(map, filter, fp.compact, take)
			: func(take, fp.compact, filter, map);

			filterCount = mapCount = 0;

			if (WeakMap && WeakMap.name) {
			assert.deepEqual(combined(array), [4, 16]);
			assert.strictEqual(filterCount, 5, 'filterCount');
			assert.strictEqual(mapCount, 5, 'mapCount');
			}
			else {
			skipAssert(assert, 3);
			}
			});
			});
			});

			/--------------------------------------------------------------------------/

			QUnit.module('forEach methods');

			_.each(['forEach', 'forEachRight', 'forIn', 'forInRight', 'forOwn', 'forOwnRight'], function(methodName) {
			var func = fp[methodName];

			QUnit.test('`fp.' + methodName + '` should provide `value` to `iteratee`', function(assert) {
			assert.expect(2);

			var args;

			func(function() {
			args \|\| (args = slice.call(arguments));
			})(['a']);

			assert.deepEqual(args, ['a']);

			args = undefined;

			func(function() {
			args \|\| (args = slice.call(arguments));
			})({ 'a': 1 });

			assert.deepEqual(args, [1]);
			});
			});

			/--------------------------------------------------------------------------/

			QUnit.module('fp.getOr');

			(function() {
			QUnit.test('should accept a `defaultValue` param', function(assert) {
			assert.expect(1);

			var actual = fp.getOr('default')('path')({});
			assert.strictEqual(actual, 'default');
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.gt and fp.gte');

			_.each(['gt', 'gte'], function(methodName) {
			var func = fp[methodName];

			QUnit.test('`fp.' + methodName + '` should have `rearg` applied', function(assert) {
			assert.expect(1);

			assert.strictEqual(func(2)(1), true);
			});
			});

			/--------------------------------------------------------------------------/

			QUnit.module('fp.inRange');

			(function() {
			QUnit.test('should have an argument order of `start`, `end`, then `value`', function(assert) {
			assert.expect(2);

			assert.strictEqual(fp.inRange(2)(4)(3), true);
			assert.strictEqual(fp.inRange(-2)(-6)(-3), true);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.intersectionBy');

			(function() {
			QUnit.test('should have an argument order of `iteratee`, `array`, then `values`', function(assert) {
			assert.expect(1);

			var actual = fp.intersectionBy(Math.floor, [2.1, 1.2], [2.3, 3.4]);
			assert.deepEqual(actual, [2.1]);
			});

			QUnit.test('should provide the correct `iteratee` arguments', function(assert) {
			assert.expect(1);

			var args;

			fp.intersectionBy(function() {
			args \|\| (args = slice.call(arguments));
			})([2.1, 1.2], [2.3, 3.4]);

			assert.deepEqual(args, [2.3]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.intersectionWith');

			(function() {
			QUnit.test('should have an argument order of `comparator`, `array`, then `values`', function(assert) {
			assert.expect(1);

			var actual = fp.intersectionWith(fp.eq)([2, 1])([2, 3]);
			assert.deepEqual(actual, [2]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.invoke');

			(function() {
			QUnit.test('should not accept an `args` param', function(assert) {
			assert.expect(1);

			var actual = fp.invoke('toUpperCase')('a');
			assert.strictEqual(actual, 'A');
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.invokeMap');

			(function() {
			QUnit.test('should not accept an `args` param', function(assert) {
			assert.expect(1);

			var actual = fp.invokeMap('toUpperCase')(['a', 'b']);
			assert.deepEqual(actual, ['A', 'B']);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.invokeArgs');

			(function() {
			QUnit.test('should accept an `args` param', function(assert) {
			assert.expect(1);

			var actual = fp.invokeArgs('concat')(['b', 'c'])('a');
			assert.strictEqual(actual, 'abc');
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.invokeArgsMap');

			(function() {
			QUnit.test('should accept an `args` param', function(assert) {
			assert.expect(1);

			var actual = fp.invokeArgsMap('concat')(['b', 'c'])(['a', 'A']);
			assert.deepEqual(actual, ['abc', 'Abc']);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.isEqualWith');

			(function() {
			QUnit.test('should provide the correct `customizer` arguments', function(assert) {
			assert.expect(1);

			var args,
			iteration = 0,
			objects = [{ 'a': 1 }, { 'a': 2 }],
			stack = { '__data__': { '__data__': [objects] } },
			expected = [1, 2, 'a', objects[0], objects[1], stack];

			fp.isEqualWith(function() {
			if (++iteration == 2) {
			args = _.map(arguments, _.cloneDeep);
			}
			})(objects[0])(objects[1]);

			args[5] = _.omitBy(args[5], _.isFunction);
			args[5].__data__ = _.omitBy(args[5].__data__, _.isFunction);

			assert.deepEqual(args, expected);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.isMatchWith');

			(function() {
			QUnit.test('should provide the correct `customizer` arguments', function(assert) {
			assert.expect(1);

			var args,
			objects = [{ 'a': 1 }, { 'a': 2 }],
			stack = { '__data__': { '__data__': [] } },
			expected = [2, 1, 'a', objects[1], objects[0], stack];

			fp.isMatchWith(function() {
			args \|\| (args = _.map(arguments, _.cloneDeep));
			})(objects[0])(objects[1]);

			args[5] = _.omitBy(args[5], _.isFunction);
			args[5].__data__ = _.omitBy(args[5].__data__, _.isFunction);

			assert.deepEqual(args, expected);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.iteratee');

			(function() {
			QUnit.test('should return a iteratee with capped params', function(assert) {
			assert.expect(1);

			var func = fp.iteratee(function(a, b, c) { return [a, b, c]; }, 3);
			assert.deepEqual(func(1, 2, 3), [1, undefined, undefined]);
			});

			QUnit.test('should convert by name', function(assert) {
			assert.expect(1);

			var iteratee = convert('iteratee', _.iteratee),
			func = iteratee(function(a, b, c) { return [a, b, c]; }, 3);

			assert.deepEqual(func(1, 2, 3), [1, undefined, undefined]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.lt and fp.lte');

			_.each(['lt', 'lte'], function(methodName) {
			var func = fp[methodName];

			QUnit.test('`fp.' + methodName + '` should have `rearg` applied', function(assert) {
			assert.expect(1);

			assert.strictEqual(func(1)(2), true);
			});
			});

			/--------------------------------------------------------------------------/

			QUnit.module('fp.mapKeys');

			(function() {
			QUnit.test('should only provide `key` to `iteratee`', function(assert) {
			assert.expect(1);

			var args;

			fp.mapKeys(function() {
			args \|\| (args = slice.call(arguments));
			}, { 'a': 1 });

			assert.deepEqual(args, ['a']);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.maxBy and fp.minBy');

			_.each(['maxBy', 'minBy'], function(methodName) {
			var array = [1, 2, 3],
			func = fp[methodName],
			isMax = methodName == 'maxBy';

			QUnit.test('`fp.' + methodName + '` should work with an `iteratee` argument', function(assert) {
			assert.expect(1);

			var actual = func(function(num) {
			return -num;
			})(array);

			assert.strictEqual(actual, isMax ? 1 : 3);
			});

			QUnit.test('`fp.' + methodName + '` should provide the correct `iteratee` arguments', function(assert) {
			assert.expect(1);

			var args;

			func(function() {
			args \|\| (args = slice.call(arguments));
			})(array);

			assert.deepEqual(args, [1]);
			});
			});

			/--------------------------------------------------------------------------/

			QUnit.module('fp.mergeWith');

			(function() {
			QUnit.test('should provide the correct `customizer` arguments', function(assert) {
			assert.expect(1);

			var args,
			stack = { '__data__': { '__data__': [] } },
			expected = [[1], [2, 3], 'a', { 'a': [1] }, { 'a': [2, 3] }, stack];

			fp.mergeWith(function() {
			args \|\| (args = _.map(arguments, _.cloneDeep));
			})({ 'a': [1] })({ 'a': [2, 3] });

			args[5] = _.omitBy(args[5], _.isFunction);
			args[5].__data__ = _.omitBy(args[5].__data__, _.isFunction);

			assert.deepEqual(args, expected);
			});

			QUnit.test('should not mutate values', function(assert) {
			assert.expect(2);

			var object = { 'a': { 'b': 2, 'c': 3 } };
			object.a.b = [1];

			var actual = fp.mergeWith(function(objValue, srcValue) {
			if (_.isArray(objValue)) {
			return objValue.concat(srcValue);
			}
			}, object, { 'a': { 'b': [2, 3] } });

			assert.deepEqual(object, { 'a': { 'b': [1], 'c': 3 } });
			assert.deepEqual(actual, { 'a': { 'b': [1, 2, 3], 'c': 3 } });
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.mixin');

			(function() {
			var source = { 'a': _.noop };

			QUnit.test('should mixin static methods but not prototype methods', function(assert) {
			assert.expect(2);

			fp.mixin(source);

			assert.strictEqual(typeof fp.a, 'function');
			assert.notOk('a' in fp.prototype);

			delete fp.a;
			delete fp.prototype.a;
			});

			QUnit.test('should not assign inherited `source` methods', function(assert) {
			assert.expect(2);

			function Foo() {}
			Foo.prototype.a = _.noop;
			fp.mixin(new Foo);

			assert.notOk('a' in fp);
			assert.notOk('a' in fp.prototype);

			delete fp.a;
			delete fp.prototype.a;
			});

			QUnit.test('should not remove existing prototype methods', function(assert) {
			assert.expect(2);

			var each1 = fp.each,
			each2 = fp.prototype.each;

			fp.mixin({ 'each': source.a });

			assert.strictEqual(fp.each, source.a);
			assert.strictEqual(fp.prototype.each, each2);

			fp.each = each1;
			fp.prototype.each = each2;
			});

			QUnit.test('should not export to the global when `source` is not an object', function(assert) {
			assert.expect(2);

			var props = _.without(_.keys(_), '_');

			_.times(2, function(index) {
			fp.mixin.apply(fp, index ? [1] : []);

			assert.ok(_.every(props, function(key) {
			return root[key] !== fp[key];
			}));

			_.each(props, function(key) {
			if (root[key] === fp[key]) {
			delete root[key];
			}
			});
			});
			});

			QUnit.test('should convert by name', function(assert) {
			assert.expect(3);

			var object = { 'mixin': convert('mixin', _.mixin) };

			function Foo() {}
			Foo.mixin = object.mixin;
			Foo.mixin(source);

			assert.strictEqual(typeof Foo.a, 'function');
			assert.notOk('a' in Foo.prototype);

			object.mixin(source);
			assert.strictEqual(typeof object.a, 'function');
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.over');

			(function() {
			QUnit.test('should not cap iteratee args', function(assert) {
			assert.expect(2);

			_.each([fp.over, convert('over', _.over)], function(func) {
			var over = func([Math.max, Math.min]);
			assert.deepEqual(over(1, 2, 3, 4), [4, 1]);
			});
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.omitBy and fp.pickBy');

			_.each(['omitBy', 'pickBy'], function(methodName) {
			var func = fp[methodName];

			QUnit.test('`fp.' + methodName + '` should provide `value` and `key` to `iteratee`', function(assert) {
			assert.expect(1);

			var args;

			func(function() {
			args \|\| (args = slice.call(arguments));
			})({ 'a': 1 });

			assert.deepEqual(args, [1, 'a']);
			});
			});

			/--------------------------------------------------------------------------/

			QUnit.module('padChars methods');

			_.each(['padChars', 'padCharsStart', 'padCharsEnd'], function(methodName) {
			var func = fp[methodName],
			isPad = methodName == 'padChars',
			isStart = methodName == 'padCharsStart';

			QUnit.test('`_.' + methodName + '` should truncate pad characters to fit the pad length', function(assert) {
			assert.expect(1);

			if (isPad) {
			assert.strictEqual(func('_-')(8)('abc'), '_-abc_-_');
			} else {
			assert.strictEqual(func('_-')(6)('abc'), isStart ? '_-_abc' : 'abc_-_');
			}
			});
			});

			/--------------------------------------------------------------------------/

			QUnit.module('partial methods');

			_.each(['partial', 'partialRight'], function(methodName) {
			var func = fp[methodName],
			isPartial = methodName == 'partial';

			QUnit.test('`_.' + methodName + '` should accept an `args` param', function(assert) {
			assert.expect(1);

			var expected = isPartial ? [1, 2, 3] : [0, 1, 2];

			var actual = func(function(a, b, c) {
			return [a, b, c];
			})([1, 2])(isPartial ? 3 : 0);

			assert.deepEqual(actual, expected);
			});

			QUnit.test('`_.' + methodName + '` should convert by name', function(assert) {
			assert.expect(2);

			var expected = isPartial ? [1, 2, 3] : [0, 1, 2],
			par = convert(methodName, _[methodName]),
			ph = par.placeholder;

			var actual = par(function(a, b, c) {
			return [a, b, c];
			})([1, 2])(isPartial ? 3 : 0);

			assert.deepEqual(actual, expected);

			actual = par(function(a, b, c) {
			return [a, b, c];
			})([ph, 2])(isPartial ? 1 : 0, isPartial ? 3 : 1);

			assert.deepEqual(actual, expected);
			});
			});

			/--------------------------------------------------------------------------/

			QUnit.module('fp.pull');

			(function() {
			QUnit.test('should not mutate values', function(assert) {
			assert.expect(2);

			var array = [1, 2, 3],
			actual = fp.pull(2)(array);

			assert.deepEqual(array, [1, 2, 3]);
			assert.deepEqual(actual, [1, 3]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.pullAll');

			(function() {
			QUnit.test('should not mutate values', function(assert) {
			assert.expect(2);

			var array = [1, 2, 3],
			actual = fp.pullAll([1, 3])(array);

			assert.deepEqual(array, [1, 2, 3]);
			assert.deepEqual(actual, [2]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.pullAt');

			(function() {
			QUnit.test('should not mutate values', function(assert) {
			assert.expect(2);

			var array = [1, 2, 3],
			actual = fp.pullAt([0, 2])(array);

			assert.deepEqual(array, [1, 2, 3]);
			assert.deepEqual(actual, [2]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.random');

			(function() {
			var array = Array(1000);

			QUnit.test('should support a `min` and `max` argument', function(assert) {
			assert.expect(1);

			var min = 5,
			max = 10;

			assert.ok(_.some(array, function() {
			var result = fp.random(min)(max);
			return result >= min && result <= max;
			}));
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.range');

			(function() {
			QUnit.test('should have an argument order of `start` then `end`', function(assert) {
			assert.expect(1);

			assert.deepEqual(fp.range(1)(4), [1, 2, 3]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('reduce methods');

			_.each(['reduce', 'reduceRight'], function(methodName) {
			var func = fp[methodName],
			isReduce = methodName == 'reduce';

			QUnit.test('`_.' + methodName + '` should provide the correct `iteratee` arguments when iterating an array', function(assert) {
			assert.expect(1);

			var args;

			func(function() {
			args \|\| (args = slice.call(arguments));
			})(0)([1, 2, 3]);

			assert.deepEqual(args, isReduce ? [0, 1] : [0, 3]);
			});

			QUnit.test('`_.' + methodName + '` should provide the correct `iteratee` arguments when iterating an object', function(assert) {
			assert.expect(1);

			var args,
			object = { 'a': 1, 'b': 2 },
			isFIFO = _.keys(object)[0] == 'a';

			var expected = isFIFO
			? (isReduce ? [0, 1] : [0, 2])
			: (isReduce ? [0, 2] : [0, 1]);

			func(function() {
			args \|\| (args = slice.call(arguments));
			})(0)(object);

			assert.deepEqual(args, expected);
			});
			});

			/--------------------------------------------------------------------------/

			QUnit.module('fp.remove');

			(function() {
			QUnit.test('should not mutate values', function(assert) {
			assert.expect(2);

			var array = [1, 2, 3],
			actual = fp.remove(fp.eq(2))(array);

			assert.deepEqual(array, [1, 2, 3]);
			assert.deepEqual(actual, [1, 3]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.restFrom');

			(function() {
			QUnit.test('should accept a `start` param', function(assert) {
			assert.expect(1);

			var actual = fp.restFrom(2)(function() {
			return slice.call(arguments);
			})('a', 'b', 'c', 'd');

			assert.deepEqual(actual, ['a', 'b', ['c', 'd']]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.reverse');

			(function() {
			QUnit.test('should not mutate values', function(assert) {
			assert.expect(2);

			var array = [1, 2, 3],
			actual = fp.reverse(array);

			assert.deepEqual(array, [1, 2, 3]);
			assert.deepEqual(actual, [3, 2, 1]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.runInContext');

			(function() {
			QUnit.test('should return a converted lodash instance', function(assert) {
			assert.expect(1);

			assert.strictEqual(typeof fp.runInContext({}).curryN, 'function');
			});

			QUnit.test('should convert by name', function(assert) {
			assert.expect(1);

			var runInContext = convert('runInContext', _.runInContext);
			assert.strictEqual(typeof runInContext({}).curryN, 'function');
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.set');

			(function() {
			QUnit.test('should not mutate values', function(assert) {
			assert.expect(2);

			var object = { 'a': { 'b': 2, 'c': 3 } },
			actual = fp.set('a.b')(3)(object);

			assert.deepEqual(object, { 'a': { 'b': 2, 'c': 3 } });
			assert.deepEqual(actual, { 'a': { 'b': 3, 'c': 3 } });
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.setWith');

			(function() {
			QUnit.test('should provide the correct `customizer` arguments', function(assert) {
			assert.expect(1);

			var args;

			fp.setWith(function() {
			args \|\| (args = _.map(arguments, _.cloneDeep));
			})('b.c')(2)({ 'a': 1 });

			assert.deepEqual(args, [undefined, 'b', { 'a': 1 }]);
			});

			QUnit.test('should not mutate values', function(assert) {
			assert.expect(2);

			var object = { 'a': { 'b': 2, 'c': 3 } },
			actual = fp.setWith(Object)('d.e')(4)(object);

			assert.deepEqual(object, { 'a': { 'b': 2, 'c': 3 } });
			assert.deepEqual(actual, { 'a': { 'b': 2, 'c': 3 }, 'd': { 'e': 4 } });
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.spreadFrom');

			(function() {
			QUnit.test('should accept a `start` param', function(assert) {
			assert.expect(1);

			var actual = fp.spreadFrom(2)(function() {
			return slice.call(arguments);
			})('a', 'b', ['c', 'd']);

			assert.deepEqual(actual, ['a', 'b', 'c', 'd']);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('trimChars methods');

			_.each(['trimChars', 'trimCharsStart', 'trimCharsEnd'], function(methodName, index) {
			var func = fp[methodName],
			parts = [];

			if (index != 2) {
			parts.push('leading');
			}
			if (index != 1) {
			parts.push('trailing');
			}
			parts = parts.join(' and ');

			QUnit.test('`_.' + methodName + '` should remove ' + parts + ' `chars`', function(assert) {
			assert.expect(1);

			var string = '-_-a-b-c-_-',
			expected = (index == 2 ? '-_-' : '') + 'a-b-c' + (index == 1 ? '-_-' : '');

			assert.strictEqual(func('_-')(string), expected);
			});
			});

			/--------------------------------------------------------------------------/

			QUnit.module('fp.unionBy');

			(function() {
			QUnit.test('should have an argument order of `iteratee`, `array`, then `other`', function(assert) {
			assert.expect(1);

			var actual = fp.unionBy(Math.floor, [2.1], [1.2, 2.3]);
			assert.deepEqual(actual, [2.1, 1.2]);
			});

			QUnit.test('should provide the correct `iteratee` arguments', function(assert) {
			assert.expect(1);

			var args;

			fp.unionBy(function() {
			args \|\| (args = slice.call(arguments));
			})([2.1], [1.2, 2.3]);

			assert.deepEqual(args, [2.1]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.unionWith');

			(function() {
			QUnit.test('should have an argument order of `comparator`, `array`, then `values`', function(assert) {
			assert.expect(1);

			var actual = fp.unionWith(fp.eq)([2, 1])([2, 3]);
			assert.deepEqual(actual, [2, 1, 3]);
			});

			QUnit.test('should provide the correct `comparator` arguments', function(assert) {
			assert.expect(1);

			var args;

			fp.unionWith(function() {
			args \|\| (args = slice.call(arguments));
			})([2, 1])([2, 3]);

			assert.deepEqual(args, [1, 2]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.uniqBy');

			(function() {
			var objects = [{ 'a': 2 }, { 'a': 3 }, { 'a': 1 }, { 'a': 2 }, { 'a': 3 }, { 'a': 1 }];

			QUnit.test('should work with an `iteratee` argument', function(assert) {
			assert.expect(1);

			var expected = objects.slice(0, 3);

			var actual = fp.uniqBy(function(object) {
			return object.a;
			})(objects);

			assert.deepEqual(actual, expected);
			});

			QUnit.test('should provide the correct `iteratee` arguments', function(assert) {
			assert.expect(1);

			var args;

			fp.uniqBy(function() {
			args \|\| (args = slice.call(arguments));
			})(objects);

			assert.deepEqual(args, [objects[0]]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.uniqWith');

			(function() {
			QUnit.test('should have an argument order of `comparator`, `array`, then `values`', function(assert) {
			assert.expect(1);

			var actual = fp.uniqWith(fp.eq)([2, 1, 2]);
			assert.deepEqual(actual, [2, 1]);
			});

			QUnit.test('should provide the correct `comparator` arguments', function(assert) {
			assert.expect(1);

			var args;

			fp.uniqWith(function() {
			args \|\| (args = slice.call(arguments));
			})([2, 1, 2]);

			assert.deepEqual(args, [1, 2]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.update');

			(function() {
			QUnit.test('should not convert end of `path` to an object', function(assert) {
			assert.expect(1);

			var actual = fp.update('a.b')(_.identity)({ 'a': { 'b': 1 } });
			assert.strictEqual(typeof actual.a.b, 'number');
			});

			QUnit.test('should not mutate values', function(assert) {
			assert.expect(2);

			var object = { 'a': { 'b': 2, 'c': 3 } },
			actual = fp.update('a.b')(square)(object);

			assert.deepEqual(object, { 'a': { 'b': 2, 'c': 3 } });
			assert.deepEqual(actual, { 'a': { 'b': 4, 'c': 3 } });
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.updateWith');

			(function() {
			QUnit.test('should provide the correct `customizer` arguments', function(assert) {
			var args;

			fp.updateWith(function() {
			args \|\| (args = _.map(arguments, _.cloneDeep));
			})('b.c')(_.constant(2))({ 'a': 1 });

			assert.deepEqual(args, [undefined, 'b', { 'a': 1 }]);
			});

			QUnit.test('should not mutate values', function(assert) {
			assert.expect(2);

			var object = { 'a': { 'b': 2, 'c': 3 } },
			actual = fp.updateWith(Object)('d.e')(_.constant(4))(object);

			assert.deepEqual(object, { 'a': { 'b': 2, 'c': 3 } });
			assert.deepEqual(actual, { 'a': { 'b': 2, 'c': 3 }, 'd': { 'e': 4 } });
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.unset');

			(function() {
			QUnit.test('should not mutate values', function(assert) {
			assert.expect(2);

			var object = { 'a': { 'b': 2, 'c': 3 } },
			actual = fp.unset('a.b')(object);

			assert.deepEqual(object, { 'a': { 'b': 2, 'c': 3 } });
			assert.deepEqual(actual, { 'a': { 'c': 3 } });
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.xorBy');

			(function() {
			QUnit.test('should have an argument order of `iteratee`, `array`, then `other`', function(assert) {
			assert.expect(1);

			var actual = fp.xorBy(Math.floor, [2.1, 1.2], [2.3, 3.4]);
			assert.deepEqual(actual, [1.2, 3.4]);
			});

			QUnit.test('should provide the correct `iteratee` arguments', function(assert) {
			assert.expect(1);

			var args;

			fp.xorBy(function() {
			args \|\| (args = slice.call(arguments));
			})([2.1, 1.2], [2.3, 3.4]);

			assert.deepEqual(args, [2.3]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.xorWith');

			(function() {
			QUnit.test('should have an argument order of `comparator`, `array`, then `values`', function(assert) {
			assert.expect(1);

			var actual = fp.xorWith(fp.eq)([2, 1])([2, 3]);
			assert.deepEqual(actual, [1, 3]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('with methods');

			_.each(['differenceWith', 'intersectionWith', 'xorWith'], function(methodName) {
			var func = fp[methodName];

			QUnit.test('`fp.' + methodName + '` should provide the correct `comparator` arguments', function(assert) {
			assert.expect(1);

			var args;

			func(function() {
			args \|\| (args = slice.call(arguments));
			})([2, 1])([2, 3]);

			assert.deepEqual(args, [2, 2]);
			});
			});

			/--------------------------------------------------------------------------/

			QUnit.module('fp.zip');

			(function() {
			QUnit.test('should zip together two arrays', function(assert) {
			assert.expect(1);

			assert.deepEqual(fp.zip([1, 2])([3, 4]), [[1, 3], [2, 4]]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.zipObject');

			(function() {
			QUnit.test('should zip together key/value arrays into an object', function(assert) {
			assert.expect(1);

			assert.deepEqual(fp.zipObject(['a', 'b'])([1, 2]), { 'a': 1, 'b': 2 });
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.module('fp.zipWith');

			(function() {
			QUnit.test('should zip arrays combining grouped elements with `iteratee`', function(assert) {
			assert.expect(1);

			var array1 = [1, 2, 3],
			array2 = [4, 5, 6],
			actual = fp.zipWith(add)(array1)(array2);

			assert.deepEqual(actual, [5, 7, 9]);
			});
			}());

			/--------------------------------------------------------------------------/

			QUnit.config.asyncRetries = 10;
			QUnit.config.hidepassed = true;

			if (!document) {
			QUnit.config.noglobals = true;
			QUnit.load();
			}
			}.call(this));

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