dom/media/test/test_eme_special_key_system.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4   <title>Test Encrypted Media Extensions - Special key system</title>
   5   <script src="/tests/SimpleTest/SimpleTest.js"></script>
   6   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
   7 </head>
   8 <body>
   9 <pre id="test">
  10 <script class="testbody" type="text/javascript">
  11 function requestProtectionQueryKeySystemAccess() {
  12   const kKeySystemOptions = [
  13     {
  14       initDataTypes: ["cenc"],
  15       videoCapabilities: [{ contentType: 'video/mp4; codecs="avc1.4d4015"' }],
  16     },
  17   ];
  18   const kClearKeyWithProtectionQuery =
  19     "org.mozilla.clearkey_with_protection_query";
  20   return navigator.requestMediaKeySystemAccess(
  21     kClearKeyWithProtectionQuery,
  22     kKeySystemOptions
  23   );
  24 }
  25 // Tests that org.mozilla.clearkey_with_protection_query cannot be accessed from JS if not preffed on.
  26 add_task(async function protectionQueryKeySystemShouldBeHidden() {
  27   try {
  28     // Should throw since special key systems are not enabled.
  29     await requestProtectionQueryKeySystemAccess();
  30     ok(
  31       false,
  32       "Test should have thrown by default because media.clearkey.test-key-systems.enabled should not be set"
  33     );
  34   } catch (e) {
  35     is(e.name, "NotSupportedError", "Should get not supported error");
  36     is(
  37       e.message,
  38       "Key system is unsupported",
  39       "Should get message that key system is unsupported"
  40     );
  41   }
  42 });
  43
  44 // Tests that org.mozilla.clearkey_with_protection_query can be accessed from JS if preffed on.
  45 add_task(async function protectionQueryKeySystemShouldBeExposed() {
  46   await SpecialPowers.pushPrefEnv({
  47     set: [["media.clearkey.test-key-systems.enabled", true]],
  48   });
  49   try {
  50     // Should not throw since special key systems are enabled.
  51     let access = await requestProtectionQueryKeySystemAccess();
  52     ok(
  53       access,
  54       "Should get access to protection query key system when preffed on"
  55     );
  56   } catch (e) {
  57     ok(false, "Test should not have thrown and key system should be available");
  58   }
  59 });
  60 </script>
  61 </pre>
  62 </body>
  63 </html>