Current File : //proc/self/root/home/infra/fusioninventory/lib/lazy.js-0.5.1/spec/uniq_spec.min.js
describe("uniq",function(){ensureLaziness(function(){Lazy(people).map(Person.getGender).uniq()});it("only returns 1 of each unique value",function(){var genders=Lazy(people).map(Person.getGender).uniq().toArray();expect(genders).toEqual(["M","F"])});it("does not mistakenly combine distinct values w/ identical string representations",function(){var source=[1,1,"1","1",{toString:function(){return"1"}}];var results=Lazy(source).uniq().toArray();expect(results.length).toEqual(3);expect(results.slice(0,2)).toEqual([1,"1"]);expect(typeof results[2].toString).toBe("function")});it("does not override methods on Set, screwing up everything",function(){var results=Lazy(["__proto__","constructor","add","contains"]).uniq().toArray();expect(results).toEqual(["__proto__","constructor","add","contains"])});it("correctly distinguishes between distinct objects with the same string representation",function(){var objects,x,y;objects=[x={toString:function(){return"foo"}},y={toString:function(){return"foo"}}];expect(Lazy(objects).uniq().toArray()).toEqual([x,y])});it("distinguishes between booleans, null, and undefined and their string equivalents",function(){var source=[true,false,null,undefined,"true","false","null","undefined"];var results=Lazy(source).uniq().toArray();expect(results).toEqual(source)});it("does not conflate a string w/ its prefixed self",function(){var results=Lazy(["foo","@foo"]).uniq().toArray();expect(results).toEqual(["foo","@foo"])});it("passes an index along with each element",function(){expect(Lazy([10,5,5,5,8,8]).uniq()).toPassToEach(1,[0,1,2])});it("correctly selects unique elements for medium-sized (~300 elements) collections",function(){var medium=Lazy.range(150).toArray();var result=Lazy(medium.concat(medium)).uniq().toArray();expect(result).toEqual(medium)});it("correctly selects unique elements for large (>= 800 elements) collections",function(){var large=Lazy.range(500).toArray();var result=Lazy(large.concat(large)).uniq().toArray();expect(result).toEqual(large)});testAllSequenceTypes("accepts an optional key function to perform equality comparisons by key",[{x:1,y:2},{x:1,y:2}],function(sequence){var selector=function(obj){return obj.x};expect(sequence.uniq(selector)).toComprise([{x:1,y:2}])});testAllSequenceTypes("supports a 'pluck'-style callback when a string is passed instead of a function",[{x:1,y:2},{x:1,y:2}],function(sequence){expect(sequence.uniq("x")).toComprise([{x:1,y:2}])})});
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