75 lines
2.9 KiB
HTML
75 lines
2.9 KiB
HTML
<!doctype html>
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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 src="/common/utils.js"></script>
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<script src="/shared-storage/resources/util.js"></script>
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<script src="/fenced-frame/resources/utils.js"></script>
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<body>
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<script>
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'use strict';
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promise_test(async t => {
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let worklet1 = await sharedStorage.createWorklet('resources/simple-module.js');
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let worklet2 = await sharedStorage.createWorklet('resources/simple-module.js');
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const ancestor_key1 = token();
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let url1_0 = generateURL("/shared-storage/resources/frame0.html",
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[ancestor_key1]);
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let url1_1 = generateURL("/shared-storage/resources/frame1.html",
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[ancestor_key1]);
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const ancestor_key2 = token();
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let url2_0 = generateURL("/shared-storage/resources/frame0.html",
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[ancestor_key2]);
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let url2_1 = generateURL("/shared-storage/resources/frame1.html",
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[ancestor_key2]);
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// Invoke `selectURL()` to perform the following steps:
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// 1. Acquires the lock.
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// 2. Reads the current value at the given key.
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// 3. Waits for 500ms.
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// 4. Sets the shared storage value to the read value appended with the given letter.
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// 5. Releases the lock.
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//
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// In parallel, invoke another `selectURL()`, which subsequently invokes
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// `sharedStorage.append()` with the same lock and the same letter to append.
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//
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// Expected behavior: After both of them finish, the value at the given key
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// should contain the letter repeated twice.
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//
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// Note: This test remains valid even if the `append()` call happens outside
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// the critical section protected by the lock within the worklet. The test
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// effectively demonstrates mutual exclusion as long as there's a reasonable
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// chance for `append()` to occur while the worklet is still running.
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let select_url_result1 = await worklet1.selectURL(
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"get-wait-set-within-lock",
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[{url: url1_0}, {url: url1_1}],
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{data: {'key': 'key',
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'lock_name': 'lock1',
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'append_letter': 'a'},
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resolveToConfig: true});
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let select_url_result2 = await worklet2.selectURL(
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"append-with-lock-option",
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[{url: url2_0}, {url: url2_1}],
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{data: {'key': 'key',
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'lock_name': 'lock1',
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'append_letter': 'a'},
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resolveToConfig: true});
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attachFencedFrame(select_url_result1, 'opaque-ads');
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const result1 = await nextValueFromServer(ancestor_key1);
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assert_equals(result1, "frame1_loaded");
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attachFencedFrame(select_url_result2, 'opaque-ads');
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const result2 = await nextValueFromServer(ancestor_key2);
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assert_equals(result2, "frame1_loaded");
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await verifyKeyValueForOrigin('key', 'aa', location.origin);
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await deleteKeyForOrigin('key', location.origin);
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}, 'Test for withLock option in a SharedStorageWorklet context');
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</script>
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</body>
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