tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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postmessage.https.html (2797B)

      1 <!DOCTYPE html>
      2 <title>ServiceWorkerGlobalScope: postMessage</title>
      3 <script src='/resources/testharness.js'></script>
      4 <script src='/resources/testharnessreport.js'></script>
      5 <script src='../resources/test-helpers.sub.js'></script>
      6 <script>
      7 
      8 promise_test(function(t) {
      9    var script = 'resources/postmessage-loopback-worker.js';
     10    var scope = 'resources/scope/postmessage-loopback';
     11    var registration;
     12 
     13    return service_worker_unregister_and_register(t, script, scope)
     14      .then(function(r) {
     15          t.add_cleanup(function() {
     16              return service_worker_unregister(t, scope);
     17            });
     18 
     19          registration = r;
     20 
     21          return wait_for_state(t, registration.installing, 'activated');
     22        })
     23      .then(function() {
     24          var channel = new MessageChannel();
     25          var saw_message = new Promise(function(resolve) {
     26              channel.port1.onmessage = function(event) {
     27                resolve(event.data);
     28              };
     29            });
     30          registration.active.postMessage({port: channel.port2},
     31                                          [channel.port2]);
     32          return saw_message;
     33        })
     34      .then(function(result) {
     35          assert_equals(result, 'OK');
     36        });
     37  }, 'Post loopback messages');
     38 
     39 promise_test(function(t) {
     40    var script1 = 'resources/postmessage-ping-worker.js';
     41    var script2 = 'resources/postmessage-pong-worker.js';
     42    var scope = 'resources/scope/postmessage-pingpong';
     43    var registration;
     44    var frame;
     45 
     46    return service_worker_unregister_and_register(t, script1, scope)
     47      .then(function(r) {
     48          t.add_cleanup(function() {
     49              return service_worker_unregister(t, scope);
     50            });
     51 
     52          registration = r;
     53          return wait_for_state(t, registration.installing, 'activated');
     54        })
     55      .then(function() {
     56          // A controlled frame is necessary for keeping a waiting worker.
     57          return with_iframe(scope);
     58        })
     59      .then(function(f) {
     60          frame = f;
     61          return navigator.serviceWorker.register(script2, {scope: scope});
     62        })
     63      .then(function(r) {
     64          return wait_for_state(t, r.installing, 'installed');
     65        })
     66      .then(function() {
     67          var channel = new MessageChannel();
     68          var saw_message = new Promise(function(resolve) {
     69              channel.port1.onmessage = function(event) {
     70                resolve(event.data);
     71              };
     72            });
     73          registration.active.postMessage({port: channel.port2},
     74                                          [channel.port2]);
     75          return saw_message;
     76        })
     77      .then(function(result) {
     78          assert_equals(result, 'OK');
     79          frame.remove();
     80        });
     81  }, 'Post messages among service workers');
     82 
     83 </script>