67 lines
2.8 KiB
HTML
67 lines
2.8 KiB
HTML
<!DOCTYPE html>
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<title>data URL dedicated 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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// Helper assert functions -START-
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function assert_worker_sends_pass(test_desc, mime_type, worker_code) {
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async_test(function(t) {
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var w = new Worker(`data:${mime_type},${worker_code}`);
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w.onmessage = t.step_func_done(function(e) {
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assert_equals(e.data, 'PASS');
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});
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w.postMessage('SEND_PASS');
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}, test_desc);
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}
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function assert_worker_throws(test_desc, worker_code) {
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assert_worker_sends_pass(test_desc, '', `try { ${worker_code}; self.postMessage("FAIL"); } catch (e) { self.postMessage("PASS"); }`);
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}
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function assert_worker_construction_fails(test_desc, mime_type, worker_code) {
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async_test(function(t) {
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var w = new Worker(`data:${mime_type},${worker_code};postMessage("PASS")`);
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w.onmessage = t.step_func_done(function(e) {
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assert_unreached('Should not receive any message back.');
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});
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w.onerror = t.step_func_done(function(e) {
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assert_true(true, 'Should throw ' + e.message);
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// Stop the error from being propagated to the WPT test harness
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e.preventDefault();
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});
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}, test_desc);
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}
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// Helper assert functions -END-
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// Actual tests -START-
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// Any MIME type allowed
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assert_worker_sends_pass('application/javascript MIME allowed', 'application/javascript', 'self.postMessage("PASS")');
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assert_worker_sends_pass('text/plain MIME allowed', 'text/plain', 'self.postMessage("PASS")');
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assert_worker_sends_pass('empty MIME allowed', '', 'self.postMessage("PASS")');
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// Communications goes both ways
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assert_worker_sends_pass('communication goes both ways', 'application/javascript', 'onmessage = function(e) { self.postMessage("PASS"); }');
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// test access to storage APIs
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// https://w3c.github.io/IndexedDB/#dom-idbfactory-open
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assert_worker_sends_pass('indexedDB is present', '', 'self.postMessage("indexedDB" in self ? "PASS" : "FAIL")');
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assert_worker_throws('indexedDB is inaccessible', 'self.indexedDB.open("someDBName")');
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// Other standardized storage APIs are either not exposed to workers
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// (e.g. window.localStorage, window.sessionStorage), or are [SecureContext]
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// (e.g. self.caches).
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// 'data:' workers are cross-origin
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assert_worker_sends_pass('cross-origin worker', '', 'fetch("/").then(() => self.postMessage("FAIL"), () => self.postMessage("PASS"))');
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// 'data:' workers have opaque origin
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assert_worker_sends_pass('worker has opaque origin', 'application/javascript', 'if (self.location.origin == "null") {postMessage("PASS");} else {postMessage("FAIL");}');
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setup({allow_uncaught_exception:true});
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// invalid javascript will trigger an ErrorEvent
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assert_worker_construction_fails('invalid javascript produces error', 'application/javascript', '}x=3');
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// Actual tests -END-
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</script>
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