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<!doctype html>
<meta charset=utf-8>
<title></title>
<div id="log"></div><br>
<script src=/resources/testharness.js></script>
<script src=/resources/testharnessreport.js></script>
<script>
'use strict';
setup({
allow_uncaught_exception: true
});
async_test(function(t) {
createIframeAndStartTest(t, function(w) {
let e = new Error();
let promise = new w.Promise(function(_, reject) {
setTimeout(function() {
reject(e);
}, 1);
});
let unhandled = function(evt) {
if (evt.promise === promise) {
t.step(function() {
assert_equals(evt.reason, e);
assert_equals(evt.promise, promise);
});
t.done();
}
};
let handled = function(evt) {
if (evt.promise === promise) {
t.step(function() {
assert_unreached('rejectionhandled event is not supposed to be triggered');
});
}
};
w.addEventListener('unhandledrejection', unhandled);
w.addEventListener('rejectionhandled', handled);
ensureCleanup(t, w, unhandled, handled);
});
}, "unhandledrejection: promise is created in iframe and being rejected elsewhere");
async_test(function(t) {
createIframeAndStartTest(t, function(w) {
let e = new Error();
let promise = w.Promise.reject(e);
let unhandled = function(evt) {
if (evt.promise === promise) {
t.step(function() {
assert_unreached('unhandledrejection event is not supposed to be triggered');
});
}
};
let handled = function(evt) {
if (evt.promise === promise) {
t.step(function() {
assert_unreached('rejectionhandled event is not supposed to be triggered');
});
}
};
w.addEventListener('unhandledrejection', unhandled);
w.addEventListener('rejectionhandled', handled);
ensureCleanup(t, w, unhandled, handled);
promise.catch(function() {});
setTimeout(function() {
t.done();
}, 10);
});
}, 'no unhandledrejection/rejectionhandled: promise is created in iframe and being rejected elsewhere');
async_test(function(t) {
createIframeAndStartTest(t, function(w) {
let e = new Error();
let promise = w.Promise.reject(e);
var unhandledPromises = [];
var unhandledReasons = [];
var handledPromises = [];
var handledReasons = [];
let unhandled = function(evt) {
if (evt.promise === promise) {
t.step(function() {
unhandledPromises.push(evt.promise);
unhandledReasons.push(evt.reason);
setTimeout(function() {
var unreached = t.unreached_func('promise should not be fulfilled');
promise.then(unreached, function(reason) {
assert_equals(reason, e);
setTimeout(function() {
assert_array_equals(handledPromises, [promise]);
assert_array_equals(handledReasons, [e]);
t.done();
}, 10);
});
}, 10);
});
}
};
let handled = function(evt) {
if (evt.promise === promise) {
t.step(function() {
assert_array_equals(unhandledPromises, [promise]);
assert_array_equals(unhandledReasons, [e]);
handledPromises.push(evt.promise);
handledReasons.push(evt.reason);
});
}
};
w.addEventListener('unhandledrejection', unhandled);
w.addEventListener('rejectionhandled', handled);
ensureCleanup(t, w, unhandled, handled);
});
}, 'delayed handling: promise is created in iframe and being rejected elsewhere');
// Helpers
function createIframeAndStartTest(t, runTest) {
var iframe = document.createElement("iframe");
iframe.onload = function() {
t.add_cleanup(() => iframe.remove());
runTest(iframe.contentWindow);
};
iframe.srcdoc = '';
document.documentElement.appendChild(iframe);
}
function ensureCleanup(t, win, unhandled, handled) {
t.add_cleanup(function() {
if (unhandled) {
win.removeEventListener('unhandledrejection', unhandled);
}
if (handled) {
win.removeEventListener('rejectionhandled', handled);
}
});
}
</script>
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