41 lines
956 B
JavaScript
41 lines
956 B
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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// Test that we can compute dominator trees from a snapshot in a worker.
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add_task(function* () {
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const worker = new ChromeWorker("resource://test/dominator-tree-worker.js");
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worker.postMessage({});
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let assertionCount = 0;
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worker.onmessage = e => {
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if (e.data.type !== "assertion") {
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return;
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}
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ok(e.data.passed, e.data.msg + "\n" + e.data.stack);
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assertionCount++;
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};
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yield waitForDone(worker);
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ok(assertionCount > 0);
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worker.terminate();
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});
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function waitForDone(w) {
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return new Promise((resolve, reject) => {
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w.onerror = e => {
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reject();
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ok(false, "Error in worker: " + e);
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};
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w.addEventListener("message", function listener(e) {
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if (e.data.type === "done") {
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w.removeEventListener("message", listener, false);
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resolve();
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}
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}, false);
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});
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}
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