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<!doctype html>
<meta charset=utf-8>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id=log></div>
<script>
const url = new URL("./", self.location);
function httpWorkerIncrementerTest(name) {
return `
promise_test(t => {
const worker = new Worker("${url.href}resources/incrementer-worker.js");
return testSharingViaIncrementerScript(t, worker, "parent worker", worker, "sub-worker");
}, "${name}: postMessaging to a dedicated HTTP sub-worker allows them to see each others' modifications");
`;
}
function blobWorkerIncrementerTest(name, origin = "null") {
return `
promise_test(t => {
const worker = new Worker(URL.createObjectURL(new Blob([\`
const view = new Uint8Array(new SharedArrayBuffer(1));
self.onmessage = () => {
const succeeded = (view[0] === 1);
self.postMessage({ succeeded });
};
self.postMessage({ origin: self.origin, view });
\`], { type: "text/javascript" })));
return new Promise((resolve, reject) => {
/* Initially the sub-worker gives us an object containing an origin and a view on a shared
// buffer. We then modify the shared buffer through the buffer and tell the sub-worker to
// "continue". The sub-worker verifies the modification and relays whether it succeeded.
*/
worker.onmessage = t.step_func(({ data }) => {
if ("succeeded" in data) {
assert_true(data.succeeded);
resolve();
} else {
assert_equals(data.origin, "${origin}");
assert_equals(data.view[0], 0);
data.view[0] = 1;
worker.postMessage("continue");
}
});
worker.onmessageerror = reject;
});
}, "${name}: postMessaging to a dedicated blob sub-worker allows them to see each others' modifications");
`;
}
function propertyTests(name, crossOriginIsolated) {
return `
test(() => {
assert_equals(self.origin, self.location.origin);
}, "${name}: self.origin");
test(() => {
assert_equals(self.crossOriginIsolated, ${crossOriginIsolated});
}, "${name}: self.crossOriginIsolated");
test(() => {
assert_true(self.isSecureContext);
}, "${name}: self.isSecureContext");
`;
}
const workerScript = `
importScripts("${url.origin}/resources/testharness.js");
importScripts("${url.href}resources/test-incrementer.js");
${httpWorkerIncrementerTest("blob worker")}
${blobWorkerIncrementerTest("blob worker", self.location.origin)}
${propertyTests("blob worker", true)}
done();
`;
fetch_tests_from_worker(new Worker(URL.createObjectURL(new Blob([workerScript], { type: "text/javascript" }))));
const frameScript = `
<!doctype html>
<script src=${url.origin}/resources/testharness.js><\/script>
<script src=${url.href}resources/test-incrementer.js><\/script>
<script>
${httpWorkerIncrementerTest("blob frame")}
${blobWorkerIncrementerTest("blob frame", self.location.origin)}
${propertyTests("blob frame", true)}
<\/script>
`;
const frame = document.body.appendChild(document.createElement("iframe"));
frame.src = URL.createObjectURL(new Blob([frameScript], { type: "text/html" }));
frame.style = "display:none";
fetch_tests_from_window(frame.contentWindow);
const dataWorkerScript = `
importScripts("${url.origin}/resources/testharness.js?pipe=header(Cross-Origin-Resource-Policy,cross-origin)");
/* Cannot use httpWorkerIncrementerTest() here as the HTTP URL is not same origin. */
${blobWorkerIncrementerTest("data worker")}
${propertyTests("data worker", false)}
done();
`;
fetch_tests_from_worker(new Worker(`data:,${dataWorkerScript}`));
const dataFrameScript = `
<!doctype html>
<script src=${url.origin}/resources/testharness.js?pipe=header(Cross-Origin-Resource-Policy,cross-origin)><\/script>
<script>
/* Cannot use httpWorkerIncrementerTest() here as the HTTP URL is not same origin. */
${blobWorkerIncrementerTest("data frame")}
${propertyTests("data frame", true)}
<\/script>
`;
const dataFrame = document.body.appendChild(document.createElement("iframe"));
dataFrame.src = `data:text/html,${dataFrameScript}`;
dataFrame.style = "display:none";
fetch_tests_from_window(dataFrame.contentWindow);
</script>
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