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45 lines
1.2 KiB
HTML
45 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<title>MessagePort message events are trusted</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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<link rel="help" href="https://html.spec.whatwg.org/multipage/comms.html#dom-messageport-postmessage">
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<!-- See also:
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- https://github.com/whatwg/html/issues/1602
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- https://github.com/whatwg/html/pull/1935
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-->
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<script>
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"use strict";
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async_test(t => {
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assert_true("MessageChannel" in self, "The browser must support MessageChannel");
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const channel = new MessageChannel();
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channel.port2.onmessage = t.step_func_done(e => {
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assert_equals(e.isTrusted, true);
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});
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channel.port1.postMessage("ping");
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}, "With a MessageChannel and its MessagePorts");
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async_test(t => {
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assert_true("BroadcastChannel" in self, "The browser must support BroadcastChannel");
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const channel = new BroadcastChannel("channel name");
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channel.onmessage = t.step_func_done(e => {
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assert_equals(e.isTrusted, true);
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});
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new Worker("MessageEvent-trusted-worker.js");
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}, "With a BroadcastChannel");
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async_test(t => {
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window.onmessage = t.step_func_done(e => {
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assert_equals(e.isTrusted, true);
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});
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window.postMessage("ping", "*");
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}, "With window");
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</script>
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