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// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Flags: --harmony-async-await --allow-natives-syntax
function assertEqualsAsync(expected, run, msg) {
var actual;
var hadValue = false;
var hadError = false;
var promise = run();
if (typeof promise !== "object" || typeof promise.then !== "function") {
throw new MjsUnitAssertionError(
"Expected " + run.toString() +
" to return a Promise, but it returned " + PrettyPrint(promise));
}
promise.then(function(value) { hadValue = true; actual = value; },
function(error) { hadError = true; actual = error; });
assertFalse(hadValue || hadError);
%RunMicrotasks();
if (hadError) throw actual;
assertTrue(
hadValue, "Expected '" + run.toString() + "' to produce a value");
assertEquals(expected, actual, msg);
};
class BaseClass {
constructor(x) {
this.name_ = x;
}
get name() { return this.name_; }
};
class DeferredSuperCall extends BaseClass {
constructor(x) {
return async() => super(x);
}
};
assertEqualsAsync(
"LexicalSuperCall",
() => new DeferredSuperCall("LexicalSuperCall")().then(x => x.name));
class DeferredSuperProperty extends BaseClass {
deferredName() { return async() => super.name; }
};
assertEqualsAsync(
"LexicalSuperProperty",
() => new DeferredSuperProperty("LexicalSuperProperty").deferredName()());