v8/test/debugger/debug/debug-break-microtask.js
Yang Guo 84b448be2c [debug] add microtask-related tests.
I'd like to make sure changes to microtask handling do not break debugging.

R=jarin@chromium.org

Change-Id: I983bd3340261e472b22b0d5b6cded60b64b19d38
Reviewed-on: https://chromium-review.googlesource.com/691715
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#48270}
2017-10-03 12:56:17 +00:00

53 lines
1.0 KiB
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 log = [];
function listener(event, exec_state, event_data, data) {
try {
if (event == Debug.DebugEvent.Break) {
var line = exec_state.frame(0).sourceLineText();
log.push(line);
if (!/STOP/.test(line)) {
exec_state.prepareStep(Debug.StepAction.StepIn);
}
}
} catch (e) {
exception = e;
}
};
Debug.setListener(listener);
function f() {
print(1);
}
Promise.resolve().then(f).then(
function() {
return 2;
}
).then(
function() {
throw new Error();
}
).catch(
function() {
print(3);
} // STOP
);
setTimeout(function() {
Debug.setListener(null);
assertNull(exception);
var expectation =
[" print(1);","}"," return 2;"," return 2;",
" throw new Error();"," print(3);","} // STOP"];
assertEquals(log, expectation);
});
Debug.setBreakPoint(f, 1);