blob: 9e51af78cc9c541ee3b556ffdb5f2d92eb4de0ed [file] [log] [blame]
function shouldBe(actual, expected) {
if (actual !== expected)
throw new Error(`bad value: ${String(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)}`);
}
var globalEval = eval;
var global = this;
// EvalContextType.
{
function hello()
{
return eval('new.target');
}
shouldBe(hello(), undefined);
shouldBe(hello(), undefined);
shouldBe(hello(), undefined);
globalEval(`
var thrown = false;
try {
eval('new.target');
} catch (e) {
thrown = true;
shouldBe(String(e), "SyntaxError: new.target is only valid inside functions.");
}
shouldBe(thrown, true);
`);
var thrown = false;
try {
globalEval('new.target');
} catch (e) {
thrown = true;
shouldBe(String(e), "SyntaxError: new.target is only valid inside functions.");
}
shouldBe(thrown, true);
}
// DerivedContextType.
{
var object = {
hello()
{
return eval('super.ok');
}
};
object.__proto__ = { ok: 42 };
shouldBe(object.hello(), 42);
var test = {
hello: function () {
return eval('super.ok');
}
};
test.__proto__ = { ok: 42 };
shouldThrow(function () {
test.hello();
}, `SyntaxError: super is not valid in this context.`);
}
// isArrowFunctionContext.
{
globalEval(`
function ok()
{
return eval('this');
}
shouldBe(ok(), global)
var hello = {
hello()
{
var arrow = () => eval('this');
shouldBe(arrow(), hello);
}
};
hello.hello();
`);
}