v8/test/mjsunit/async-hooks/execution-order.js
Maya Lekova fa8af5a775 [test] Fix async hooks test which was swallowing a promise rejection
Updated the test so that it uses assertPromiseResult, which makes sure that
a promise rejection is not swallowed. The change is reflected in the actual
async ids, checked in the test.

Bug: v8:8300
Change-Id: Ie227ca74a8cf4e0e079809b21c3abc5a5f87c11a
Reviewed-on: https://chromium-review.googlesource.com/c/1278388
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56608}
2018-10-12 13:14:15 +00:00

78 lines
3.0 KiB
JavaScript

// Copyright 2018 the V8 project authors. All rights reserved.
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// modification, are permitted provided that the following conditions are
// met:
//
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// Flags: --expose-async-hooks
// Check for correct execution of available hooks and asyncIds
(function() {
let calledHooks = [];
let rootAsyncId = 0;
let ah = async_hooks.createHook({
init: function init(asyncId, type, triggerAsyncId, resource) {
if (type !== 'PROMISE') {
return;
}
if (triggerAsyncId === 0) {
rootAsyncId = asyncId;
}
calledHooks.push(['init', asyncId]);
},
promiseResolve: function promiseResolve(asyncId) {
calledHooks.push(['resolve', asyncId]);
},
before: function before(asyncId) {
calledHooks.push(['before', asyncId]);
},
after: function after(asyncId) {
calledHooks.push(['after', asyncId]);
},
});
ah.enable();
new Promise(function(resolve) {
resolve(42);
}).then(function() {
// [hook type, async Id]
const expectedHooks = [
['init', rootAsyncId], // the promise that we create initially
['resolve', rootAsyncId],
['init', rootAsyncId + 1], // the chained promise with the assertions
['init', rootAsyncId + 2], // the chained promise from the catch block
['before', rootAsyncId + 1],
// ['after', rootAsyncId + 1] will get called after the assertions
];
assertArrayEquals(expectedHooks, calledHooks,
'Mismatch in async hooks execution order');
}).catch((err) => {
setTimeout(() => {
throw err;
}, 0);
});
})();