v8/test/debugger/debug/es8/promise-finally.js
Sathya Gunasekaran 335e169b6c Reland "[debug] Add test for promise finally"
This is a reland of a2ed05144c
Original change's description:
> [debug] Add test for promise finally
> 
> As of v8:6536, we no longer have to mark builtins explicitly.
> 
> Also remove test whitelist for promise finally
> builtins.
> 
> Bug: v8:6088, v8:5967
> Change-Id: I7f98dfe7708678653e944ac76ba9938205490b16
> Reviewed-on: https://chromium-review.googlesource.com/654067
> Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org>
> Reviewed-by: Jakob Gruber <jgruber@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#47896}

TBR=jgruber@chromium.org

Bug: v8:6088, v8:5967
Change-Id: I25a1820e04596a44769fc8ded80678f3663bbcd5
Reviewed-on: https://chromium-review.googlesource.com/655740
Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#47906}
2017-09-07 21:36:53 +00:00

47 lines
999 B
JavaScript

// Copyright 2017 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-promise-finally
Debug = debug.Debug
var exception = null;
var step = 0;
function listener(event, exec_state, event_data, data) {
if (event != Debug.DebugEvent.Exception) return;
try {
var line = exec_state.frame(0).sourceLineText();
var match = /Exception/.exec(line);
assertNotNull(match);
step++;
} catch (e) {
exception = e;
}
}
// Caught throw, events on any exception.
Debug.setListener(listener);
Debug.setBreakOnException();
var thenable = {
get then() {
throw new Error('err'); // Exception
}
};
var caughtException = null;
Promise.resolve()
.finally(() => thenable)
.catch(e => caughtException = e);
%RunMicrotasks();
Debug.setListener(null);
Debug.clearBreakOnException();
assertNull(exception);
assertNotNull(caughtException);
assertEquals(1, step);