export const tests = [] const t = f => tests.push(f) // Test Dog t(({ eq }) => { const Animal = { canEat: false, } Object.assign(Dog.prototype, Animal) let myDog = new Dog() return eq( { redefinedCanEat: myDog.canEat, hasOwn: Object.hasOwn(myDog, 'canEat'), canBreath: myDog.canBreath, hasOwn: Object.hasOwn(myDog, 'canBreath'), isAlive: myDog.isAlive, hasOwn: Object.hasOwn(myDog, 'isAlive'), canRun: myDog.canRun, hasOwn: Object.hasOwn(myDog, 'canRun'), WhoAmI: myDog.WhoAmI(), hasOwn: Object.hasOwn(myDog, 'WhoAmI'), }, { redefinedCanEat: false, hasOwn: false, canBreath: true, hasOwn: false, isAlive: true, hasOwn: false, canRun: true, hasOwn: true, WhoAmI: "I'm a dog", hasOwn: true, }) }) // Test Bird t(({ eq }) => { let myBird = new Bird() return eq( { canEat: myBird.canEat, hasOwn: Object.hasOwn(myBird, 'canEat'), canBreath: myBird.canBreath, hasOwn: Object.hasOwn(myBird, 'canBreath'), isAlive: myBird.isAlive, hasOwn: Object.hasOwn(myBird, 'isAlive'), makesEggs: myBird.makesEggs, hasOwn: Object.hasOwn(myBird, 'makesEggs'), canFly: myBird.canFly, hasOwn: Object.hasOwn(myBird, 'canFly'), WhoAmI: myBird.WhoAmI(), hasOwn: Object.hasOwn(myBird, 'WhoAmI'), }, { canEat: true, hasOwn: false, canBreath: true, hasOwn: false, isAlive: true, hasOwn: false, makesEggs: true, hasOwn: true, canFly: true, hasOwn: true, WhoAmI: "I'm a bird", hasOwn: true, }) }) // Test Dodo t(({ eq }) => { let myDodo = new Dodo() return eq( { canEat: myDodo.canEat, hasOwn: Object.hasOwn(myDodo, 'canEat'), canBreath: myDodo.canBreath, hasOwn: Object.hasOwn(myDodo, 'canBreath'), isAlive: myDodo.isAlive, hasOwn: Object.hasOwn(myDodo, 'isAlive'), makesEggs: myDodo.makesEggs, hasOwn: Object.hasOwn(myDodo, 'makesEggs'), canFly: myDodo.canFly, hasOwn: Object.hasOwn(myDodo, 'canFly'), WhoAmI: myDodo.WhoAmI(), hasOwn: Object.hasOwn(myDodo, 'WhoAmI'), }, { canEat: true, hasOwn: true, canBreath: true, hasOwn: true, isAlive: false, hasOwn: true, makesEggs: true, hasOwn: true, canFly: false, hasOwn: true, WhoAmI: "I'm a dodo", hasOwn: true, }) }) export const setup = () => { } Object.freeze(tests)