v8/test/debugger/debug/es8/promise-finally.js
Mathias Bynens 51c9123e60 Remove always-true --harmony-promise-finally runtime flag
It was shipped in Chrome 63.

Bug: v8:5967
Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Change-Id: I1ade30d7ba3cf012f4d0c898f868192972aac726
Reviewed-on: https://chromium-review.googlesource.com/1085289
Commit-Queue: Mathias Bynens <mathias@chromium.org>
Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53505}
2018-06-04 20:15:52 +00:00

45 lines
962 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.
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);