Tests for ES6 arrow function toString() method

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


var simpleArrowFunction = () => {}
PASS simpleArrowFunction.toString() is '() => {}'
PASS ((x) => { x + 1 }).toString() is '(x) => { x + 1 }'
PASS (x => x + 1).toString() is 'x => x + 1'
var f0 = x => x
PASS f0.toString() is 'x => x'
var f1 = () => this
PASS f1.toString() is '() => this'
var f2 = x => { return x; };
PASS f2.toString() is '(x) => { return x; }'
var f3 = (x, y) => { return x + y; };
PASS f3.toString() is '(x, y) => { return x + y; }'
function foo(x) { return x.toString()};
PASS foo((x)=>x) is '(x)=>x'
var a = z => z*2, b = () => ({});
PASS a.toString() is 'z => z*2'
PASS b.toString() is '() => ({})'
var arrExpr = [y=>y + 1, x=>x];
PASS arrExpr[0].toString() is 'y=>y + 1'
PASS arrExpr[1].toString() is 'x=>x'
var arrBody  = [y=>{ y + 1 }, x=>{ x }];
PASS arrBody[0].toString() is 'y=>{ y + 1 }'
PASS arrBody[1].toString() is 'x=>{ x }'
PASS successfullyParsed is true

TEST COMPLETE