mirror of
https://github.com/servo/servo
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34 lines
951 B
HTML
34 lines
951 B
HTML
<!DOCTYPE html>
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<title>Test simultaneous errors on workers.</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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promise_test(t => {
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var workers = 4;
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var promises = [];
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for (i = 0; i < workers; ++i) {
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var worker = new Worker('support/throw-on-message-Worker.js');
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promises.push(new Promise(function(resolve, reject) {
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var error = 0;
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worker.onmessage = function(event) {
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if (event.data === 'second')
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resolve(error);
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else if (event.data === 'error')
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++error;
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}
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}));
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worker.postMessage('first');
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worker.postMessage('second');
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}
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return Promise.all(promises).then(e => {
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var sum = 0;
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for (var key in e) {
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sum += e[key]
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}
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assert_equals(sum, workers);
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});
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});
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</script>
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