85 lines
2.1 KiB
JavaScript
85 lines
2.1 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 only listen to uncaught 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 = 2;
|
||
|
|
var log = [];
|
||
|
|
|
||
|
|
var resolve, reject;
|
||
|
|
var p0 = new Promise(function(res, rej) { resolve = res; reject = rej; });
|
||
|
|
var p1 = p0.then(function() {
|
||
|
|
log.push("p0.then");
|
||
|
|
return Promise.reject(new Error("123"));
|
||
|
|
});
|
||
|
|
var p2 = p1.then(function() {
|
||
|
|
log.push("p1.then");
|
||
|
|
});
|
||
|
|
|
||
|
|
var q = new Promise(function(res, rej) {
|
||
|
|
log.push("resolve q");
|
||
|
|
res();
|
||
|
|
});
|
||
|
|
|
||
|
|
q.then(function() {
|
||
|
|
log.push("resolve p");
|
||
|
|
resolve();
|
||
|
|
})
|
||
|
|
|
||
|
|
|
||
|
|
function listener(event, exec_state, event_data, data) {
|
||
|
|
try {
|
||
|
|
if (event == Debug.DebugEvent.Exception) {
|
||
|
|
expected_events--;
|
||
|
|
assertTrue(expected_events >= 0);
|
||
|
|
assertTrue(event_data.uncaught());
|
||
|
|
assertTrue(event_data.promise() instanceof Promise);
|
||
|
|
if (expected_events == 1) {
|
||
|
|
// p1 is rejected, uncaught except for its default reject handler.
|
||
|
|
assertEquals(0, exec_state.frameCount());
|
||
|
|
assertSame(p1, event_data.promise());
|
||
|
|
} else {
|
||
|
|
// p2 is rejected by p1's default reject handler.
|
||
|
|
assertEquals(0, exec_state.frameCount());
|
||
|
|
assertSame(p2, event_data.promise());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} catch (e) {
|
||
|
|
%AbortJS(e + "\n" + e.stack);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
Debug.setBreakOnUncaughtException();
|
||
|
|
Debug.setListener(listener);
|
||
|
|
|
||
|
|
log.push("end main");
|
||
|
|
|
||
|
|
function testDone(iteration) {
|
||
|
|
function checkResult() {
|
||
|
|
try {
|
||
|
|
assertTrue(iteration < 10);
|
||
|
|
if (expected_events === 0) {
|
||
|
|
assertEquals(["resolve q", "end main", "resolve p", "p0.then"], log);
|
||
|
|
} else {
|
||
|
|
testDone(iteration + 1);
|
||
|
|
}
|
||
|
|
} catch (e) {
|
||
|
|
%AbortJS(e + "\n" + e.stack);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Run testDone through the Object.observe processing loop.
|
||
|
|
var dummy = {};
|
||
|
|
Object.observe(dummy, checkResult);
|
||
|
|
dummy.dummy = dummy;
|
||
|
|
}
|
||
|
|
|
||
|
|
testDone(0);
|