4b8200078a
Many mjsunit tests (as well as the promises-aplus adapter scripts) were using Object.observe simply for microtask-enqueueing purposes. Replaced such uses with %EnqueueMicrotask. Review URL: https://codereview.chromium.org/1246933002 Cr-Commit-Position: refs/heads/master@{#29779}
67 lines
1.7 KiB
JavaScript
67 lines
1.7 KiB
JavaScript
// Copyright 2014 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: --expose-debug-as debug --allow-natives-syntax
|
|
|
|
// Test debug events when we listen to all exceptions and
|
|
// there is a catch handler for the to-be-rejected Promise.
|
|
// We expect an Exception debug event with a promise to be triggered.
|
|
|
|
Debug = debug.Debug;
|
|
|
|
var expected_events = 1;
|
|
var log = [];
|
|
|
|
var p = new Promise(function(resolve, reject) {
|
|
log.push("resolve");
|
|
resolve();
|
|
});
|
|
|
|
var q = p.chain(
|
|
function() {
|
|
log.push("reject");
|
|
return Promise.reject(new Error("uncaught reject"));
|
|
});
|
|
|
|
function listener(event, exec_state, event_data, data) {
|
|
try {
|
|
if (event == Debug.DebugEvent.Exception) {
|
|
expected_events--;
|
|
assertTrue(expected_events >= 0);
|
|
assertEquals("uncaught reject", event_data.exception().message);
|
|
assertTrue(event_data.promise() instanceof Promise);
|
|
assertSame(q, event_data.promise());
|
|
assertTrue(event_data.uncaught());
|
|
// All of the frames on the stack are from native Javascript.
|
|
assertEquals(0, exec_state.frameCount());
|
|
}
|
|
} catch (e) {
|
|
%AbortJS(e + "\n" + e.stack);
|
|
}
|
|
}
|
|
|
|
Debug.setBreakOnException();
|
|
Debug.setListener(listener);
|
|
|
|
log.push("end main");
|
|
|
|
function testDone(iteration) {
|
|
function checkResult() {
|
|
try {
|
|
assertTrue(iteration < 10);
|
|
if (expected_events === 0) {
|
|
assertEquals(["resolve", "end main", "reject"], log);
|
|
} else {
|
|
testDone(iteration + 1);
|
|
}
|
|
} catch (e) {
|
|
%AbortJS(e + "\n" + e.stack);
|
|
}
|
|
}
|
|
|
|
%EnqueueMicrotask(checkResult);
|
|
}
|
|
|
|
testDone(0);
|