michael@0: "use strict";
michael@0: 
michael@0: let global = this;
michael@0: let p = {};
michael@0: let q = {};
michael@0: 
michael@0: let g1 = function() {
michael@0:   assertEq(this, undefined);
michael@0: };
michael@0: g1(...[]);
michael@0: 
michael@0: let g2 = x => {
michael@0:   assertEq(this, global);
michael@0: };
michael@0: g2(...[]);
michael@0: 
michael@0: let g3 = function() {
michael@0:   assertEq(this, p);
michael@0: };
michael@0: g3.apply(p, ...[]);
michael@0: g3.call(p, ...[]);
michael@0: 
michael@0: g2.apply(p, ...[]);
michael@0: g2.call(p, ...[]);
michael@0: 
michael@0: let o = {
michael@0:   f1: function() {
michael@0:     assertEq(this, o);
michael@0: 
michael@0:     let g1 = function() {
michael@0:       assertEq(this, undefined);
michael@0:     };
michael@0:     g1(...[]);
michael@0: 
michael@0:     let g2 = x => {
michael@0:       assertEq(this, o);
michael@0:     };
michael@0:     g2(...[]);
michael@0: 
michael@0:     let g3 = function() {
michael@0:       assertEq(this, q);
michael@0:     };
michael@0:     g3.apply(q, ...[]);
michael@0:     g3.call(q, ...[]);
michael@0: 
michael@0:     let g4 = x => {
michael@0:       assertEq(this, o);
michael@0:     };
michael@0:     g4.apply(q, ...[]);
michael@0:     g4.call(q, ...[]);
michael@0:   },
michael@0:   f2: x => {
michael@0:     assertEq(this, global);
michael@0:     let g1 = function() {
michael@0:       assertEq(this, undefined);
michael@0:     };
michael@0:     g1(...[]);
michael@0: 
michael@0:     let g2 = x => {
michael@0:       assertEq(this, global);
michael@0:     };
michael@0:     g2(...[]);
michael@0: 
michael@0:     let g3 = function() {
michael@0:       assertEq(this, q);
michael@0:     };
michael@0:     g3.apply(q, ...[]);
michael@0:     g3.call(q, ...[]);
michael@0: 
michael@0:     let g4 = x => {
michael@0:       assertEq(this, global);
michael@0:     };
michael@0:     g4.apply(q, ...[]);
michael@0:     g4.call(q, ...[]);
michael@0:   },
michael@0:   f3: function() {
michael@0:     assertEq(this, p);
michael@0: 
michael@0:     let g1 = function() {
michael@0:       assertEq(this, undefined);
michael@0:     };
michael@0:     g1(...[]);
michael@0: 
michael@0:     let g2 = x => {
michael@0:       assertEq(this, p);
michael@0:     };
michael@0:     g2(...[]);
michael@0: 
michael@0:     let g3 = function() {
michael@0:       assertEq(this, q);
michael@0:     };
michael@0:     g3.apply(q, ...[]);
michael@0:     g3.call(q, ...[]);
michael@0: 
michael@0:     let g4 = x => {
michael@0:       assertEq(this, p);
michael@0:     };
michael@0:     g4.apply(q, ...[]);
michael@0:     g4.call(q, ...[]);
michael@0:   }
michael@0: };
michael@0: o.f1(...[]);
michael@0: o.f2(...[]);
michael@0: o.f3.apply(p, ...[]);
michael@0: o.f2.apply(p, ...[]);