local F=game:GetService("\082\101\112\108\105\099\097\116\101\100\083\116\111\114\097\103\101")local I=require(F.Packages.Dex.Observables.AngleSpring)local s=require(F.Packages.Dex.Observables.State)return function()local function F()local F=os.clock()while os.clock()==F do end end it("\115\104\111\117\108\100 \099\114\101\097\116\101 \097\110 \065\110\103\108\101\083\112\114\105\110\103 \119\104\105\099\104 \101\097\115\101\115 \116\111\119\097\114\100\115 \116\097\114\103\101\116",function()local v=s.new(0)local L=I.new(v);(expect(L)).to.be.ok()v:Set(math.pi-.05)F();(expect(L:Current()<.1)).to.equal(true);(expect(L:Current())).to.never.equal(0)v:Set(.5)F();(expect(L:Current()<.1)).to.equal(true);(expect(L:Current())).to.never.equal(0)L:ResetVelocity()v:Set(-math.pi+.05)local M=L:Current()F();(expect(L:Current()<M)).to.equal(true)end)it("\115\104\111\117\108\100 \119\114\097\112 \116\104\101 \097\110\103\108\101 \116\111 \116\104\101 \114\097\110\103\101 \091-\112\105\044 \112\105\093",function()local v=s.new(0)local L=I.new(v);(expect(L)).to.be.ok()v:Set(math.pi+1)F();(expect(L:Current()<0)).to.equal(true)end)it("\115\104\111\117\108\100 \112\114\111\118\105\100\101 \119\114\097\112\112\101\100 \116\097\114\103\101\116 \097\110\103\108\101 \116\104\114\111\117\103\104 \067\117\114\114\101\110\116\084\097\114\103\101\116",function()local F=s.new(3*math.pi)local v=I.new(F);(expect(v)).to.be.ok();(expect(v:CurrentTarget())).to.near(math.pi)F:Set(-2.5*math.pi);(expect(v:CurrentTarget())).to.near(-0.5*math.pi)end)it("\115\104\111\117\108\100 \116\104\114\111\119 \097\110 \101\114\114\111\114 \102\111\114 \117\110\115\117\112\112\111\114\116\101\100 \100\097\116\097 \116\121\112\101\115",function()local F=s.new(true);(expect(function()I.new(F)end)).to.throw("\068\097\116\097 \116\121\112\101 \'\098\111\111\108\101\097\110\' \099\097\110\110\111\116 \098\101 \101\097\115\101\100 \117\115\105\110\103 \065\110\103\108\101\083\112\114\105\110\103")end)end
--!strict
local ReplicatedStorage = game:GetService("ReplicatedStorage")
local AngleSpring = require(ReplicatedStorage.Packages.Dex.Observables.AngleSpring)
local State = require(ReplicatedStorage.Packages.Dex.Observables.State)
return function()
    local function waitUntilClockChange()
        local start = os.clock()
        -- selene: allow(empty_loop)
        while os.clock() == start do end
    end
    it("should create an AngleSpring which eases towards target", function()
        local target = State.new(0)
        local easingObservable = AngleSpring.new(target)
        expect(easingObservable).to.be.ok()

        target:Set(math.pi - 0.05)
        waitUntilClockChange()
        expect(easingObservable:Current() < 0.1).to.equal(true)
        expect(easingObservable:Current()).to.never.equal(0)

        target:Set(0.5)
        waitUntilClockChange()
        expect(easingObservable:Current() < 0.1).to.equal(true)
        expect(easingObservable:Current()).to.never.equal(0)

        easingObservable:ResetVelocity()
        target:Set(-math.pi + 0.05)
        local highestPoint = easingObservable:Current()
        waitUntilClockChange()
        expect(easingObservable:Current() < highestPoint).to.equal(true)
    end)

    it("should wrap the angle to the range [-pi, pi]", function()
        local target = State.new(0)
        local easingObservable = AngleSpring.new(target)
        expect(easingObservable).to.be.ok()

        target:Set(math.pi + 1)
        waitUntilClockChange()
        expect(easingObservable:Current() < 0).to.equal(true)
    end)

    it("should provide wrapped target angle through CurrentTarget", function()
        local target = State.new(3 * math.pi)
        local easingObservable = AngleSpring.new(target)

        expect(easingObservable).to.be.ok()
        expect(easingObservable:CurrentTarget()).to.near(math.pi)

        target:Set(-2.5 * math.pi)
        expect(easingObservable:CurrentTarget()).to.near(-0.5 * math.pi)
    end)

    it("should throw an error for unsupported data types", function()
        local target = State.new(true)
        expect(function()
            AngleSpring.new(target)
        end).to.throw("Data type 'boolean' cannot be eased using AngleSpring")
    end)
end
