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