it('should return instances of types when calling get([type1, type2])', function () {
var layer = new Grape.Layer();
var o0 = new Grape.GameObject();
var o1 = new Type1();
var o2 = new Type2();
var o3 = new Type3();
layer.add(o0);
layer.add(o1);
layer.add(o2);
layer.add(o3);
var result = layer.get([Type1, Type2]);
expect(result.length).toBe(2);
expect(result).toContain(o1);
expect(result).toContain(o2);
});
it('should return instances of types with descendants filtering duplicates when calling get([type1, type2], true) where type1 is parent of type2', function () {
var layer = new Grape.Layer();
var o0 = new Grape.GameObject();
var o1 = new Type1();
var o2 = new Type2();
var o3 = new Type3();
layer.add(o0);
layer.add(o1);
layer.add(o2);
layer.add(o3);
var result = layer.get([Type2, Type3], true);
expect(result.length).toBe(2);
expect(result).toContain(o2);
expect(result).toContain(o3);
});
it('should return all instances added when calling get()', function () {
var layer = new Grape.Layer();
var o0 = new Grape.GameObject();
var o1 = new Type1();
var o2 = new Type2();
var o3 = new Type3();
layer.add(o0);
layer.add(o1);
layer.add(o2);
layer.add(o3);
var result = layer.get();
expect(result).toContain(o0);
expect(result).toContain(o1);
expect(result).toContain(o2);
expect(result).toContain(o3);
});
it('no sprite', function () {
var a = new Grape.Animation(); //no sprite
var layer = new Grape.Layer();
layer.add(a);
layer.emit('frame');
});
expect(function () {
layer.add(new NotGameObject());
}).toThrow();
expect(function () {
layer.add({});
}).toThrow();
expect(function () {
layer.removeSystem('s');
}).toThrow();
expect(function () {
layer.addSystem('s1', system);
}).toThrow();