blob: 9a387391309ad948aea7b3d6e67adf482743abb7 [file] [log] [blame]
function shouldBe(actual, expected) {
if (actual !== expected)
throw new Error('bad value: ' + actual);
}
function shouldThrow(func, errorMessage) {
var errorThrown = false;
var error = null;
try {
func();
} catch (e) {
errorThrown = true;
error = e;
}
if (!errorThrown)
throw new Error('not thrown');
if (String(error) !== errorMessage)
throw new Error(`bad error: ${String(error)}`);
}
function *gen() {
yield eval("this");
}
shouldThrow(() => {
var g = new gen();
g.next().value;
}, `TypeError: function is not a constructor (evaluating 'new gen()')`);
class B { }
(function() {
eval('this');
eval('this');
}());
class A extends B {
constructor()
{
return eval('this');
}
}
shouldThrow(() => {
new A();
}, `ReferenceError: 'super()' must be called in derived constructor before accessing |this| or returning non-object.`);
class C {
*generator()
{
yield eval('this');
}
}
shouldThrow(() => {
let c = new C();
let g = new c.generator();
g.next();
}, `TypeError: function is not a constructor (evaluating 'new c.generator()')`);
(function () {
let c = new C();
let g = c.generator();
shouldBe(g.next().value, c);
}());