55 lines
1.6 KiB
HTML
55 lines
1.6 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title></title>
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<script src=/resources/testharness.js></script>
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<script src=/resources/testharnessreport.js></script>
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<script>
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// Tests that a {Dedicated,Shared}Worker keeps running even if its script
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// evaluation results in an abrupt completion. This corresponds to the "run a
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// worker" algorithm disregarding the return value of "run the {classic,module}
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// script" in its step 24:
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//
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// "If script is a classic script, then run the classic script script.
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// Otherwise, it is a module script; run the module script script."
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async function testWorker(worker) {
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await new Promise(resolve => {
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worker.onerror = e => {
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assert_not_equals(e.message.search("uncaught-exception"), -1,
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"Correct uncaught exception thrown by worker");
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// Suppress the exception.
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e.preventDefault();
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resolve();
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}
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});
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return new Promise(resolve => {
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const channel = new MessageChannel();
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channel.port1.onmessage = e => {
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assert_equals(e.data, "handler-before-throw", "Correct message handler.");
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resolve();
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};
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if (worker instanceof SharedWorker) {
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worker.port.postMessage("", [channel.port2]);
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} else {
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worker.postMessage("", [channel.port2]);
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}
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});
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}
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promise_test(async t => {
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const worker = new Worker("support/abrupt-completion.js");
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return testWorker(worker);
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}, "DedicatedWorker should correctly handle abrupt completion");
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promise_test(async t => {
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const worker = new SharedWorker("support/abrupt-completion.js");
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return testWorker(worker);
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}, "SharedWorker should correctly handle abrupt completion");
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</script>
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