<!DOCTYPE html> | |
<meta charset=utf-8> | |
<script src="/resources/testharness.js"></script> | |
<script src="/resources/testharnessreport.js"></script> | |
<body> | |
<script> | |
const t = async_test('postMessage and block'); | |
const w = new Worker('support/postMessage_block_worker.js'); | |
w.onmessage = t.step_func_done(() => { | |
const a = new Int32Array(new SharedArrayBuffer(4)); | |
w.postMessage(a); | |
while (Atomics.load(a, 0) === 0); | |
assert_equals(Atomics.load(a, 0), 1); | |
}); | |
</script> | |
</body> |