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https://github.com/web-platform-tests/wpt
26 December 2018, 22:31:15 UTC
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Tip revision: 47f602be931303a15098090d5181dedb1a5a49c2 authored by James Graham on 05 April 2017, 17:46:54 UTC
Fix merge conflicts in wdspec tests
Tip revision: 47f602b
data-url.html 
<!DOCTYPE html>
<title>Test workers can be started with a data URL</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<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() {
    });
  }, test_desc);
}
// Helper assert functions -END-

// Actual tests -START-

// Any MIME type
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
// once https://github.com/w3c/IndexedDB/pull/150 lands, this is spec conforming
assert_worker_throws('indexedDB inaccessible', 'self.indexedDB.open("someDBName")');
assert_worker_throws('Web SQL Database inaccessible', 'self.openDatabase("someDBName", "1.0", "someDBName", 1);');

// '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");');

// invalid javascript will trigger an ErrorEvent
assert_worker_construction_fails('invalid javascript produces error', 'application/javascript', '}x=3');

// Actual tests -END-
</script>
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