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comprehensiveSequenceTest("filter",{cases:[{input:[1,2,3,4,5],params:[isEven],result:[2,4],accessCountForTake2:4},{label:"pluck-style",input:[{foo:true},{foo:false},{foo:true},{foo:false}],params:["foo"],result:[{foo:true},{foo:true}],accessCountForTake2:3},{label:"where-style",input:[{foo:"blub",bar:1},{foo:"glub",bar:2},{foo:"blub",bar:3}],params:[{foo:"blub"}],result:[{foo:"blub",bar:1},{foo:"blub",bar:3}],accessCountForTake2:3}],aliases:["select","where"],arrayLike:false,supportsAsync:true});describe("filter",function(){it("combines with previous filters",function(){var sons=Lazy(people).filter(Person.isMale).filter(function(p){return p.getName()!=="David"}).toArray();expect(sons).toEqual([adam,daniel])});describe("ObjectLikeSequence#filter",function(){var object,result;beforeEach(function(){object={a:{a:"a"},b:{a:"b"},c:{a:"a"}};result=Lazy(object).filter({a:"a"})});it("produces an ObjectLikeSequence",function(){expect(result.toObject()).toEqual({a:{a:"a"},c:{a:"a"}})});it("result supports #get",function(){expect(result.get("b")).toEqual(undefined);expect(result.get("c")).toEqual({a:"a"})})})});describe("filter -> reverse",function(){it("iterates over the filtered elements in reverse order",function(){var evensBackwards=Lazy([1,2,3,4]).filter(isEven).reverse().toArray();expect(evensBackwards).toEqual([4,2])});it("reverses before filtering",function(){var lastMale=Lazy(people).filter(Person.isMale).reverse().first();expect(lastMale).toBe(daniel);expect(Person.accesses).toBe(2)})});describe("reject",function(){ensureLaziness(function(){Lazy(people).reject(Person.isMale)});it("does the opposite of filter",function(){var girls=Lazy(people).reject(Person.isMale).toArray();expect(girls).toEqual([mary,lauren,happy])})});describe("compact",function(){var mostlyFalsy=["foo",false,null,0,"",undefined,NaN];ensureLaziness(function(){Lazy(mostlyFalsy).compact()});it("removes all falsy values from an array",function(){var compacted=Lazy(mostlyFalsy).compact().toArray();expect(compacted).toEqual(["foo"])})});
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