dom/worklet/tests/test_audioWorklet_WASM.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <head>
   4   <title>Test for AudioWorklet + WASM</title>
   5   <script src="/tests/SimpleTest/SimpleTest.js"></script>
   6   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
   7   <script type="application/javascript" src="common.js"></script>
   8 </head>
   9 <body>
  10
  11 <script type="application/javascript">
  12
  13 function configureTest() {
  14   return SpecialPowers.pushPrefEnv(
  15     {"set": [
  16              ["dom.postMessage.sharedArrayBuffer.bypassCOOP_COEP.insecure.enabled", true],
  17              ["browser.tabs.remote.useCrossOriginOpenerPolicy", true],
  18              ["browser.tabs.remote.useCrossOriginEmbedderPolicy", true],
  19              ["javascript.options.shared_memory", true],
  20     ]});
  21 }
  22
  23 function create_wasmModule() {
  24   return new Promise(resolve => {
  25     info("Checking if we can play with WebAssembly...");
  26
  27     if (!SpecialPowers.Cu.getJSTestingFunctions().wasmIsSupported()) {
  28       resolve(null);
  29       return;
  30     }
  31
  32     ok(WebAssembly, "WebAssembly object should exist");
  33     ok(WebAssembly.compile, "WebAssembly.compile function should exist");
  34
  35     const wasmTextToBinary = SpecialPowers.unwrap(SpecialPowers.Cu.getJSTestingFunctions().wasmTextToBinary);
  36     /*
  37       js -e '
  38         t = wasmTextToBinary(`
  39           (module
  40             (func $foo (result i32) (i32.const 42))
  41             (export "foo" (func $foo))
  42           )
  43         `);
  44         print(t)
  45       '
  46     */
  47     // eslint-disable-next-line
  48     const fooModuleCode = new Uint8Array([0,97,115,109,1,0,0,0,1,5,1,96,0,1,127,3,2,1,0,7,7,1,3,102,111,111,0,0,10,6,1,4,0,65,42,11,0,13,4,110,97,109,101,1,6,1,0,3,102,111,111]);
  49
  50     WebAssembly.compile(fooModuleCode).then(m => {
  51       ok(m instanceof WebAssembly.Module, "The WasmModule has been compiled.");
  52       resolve(m);
  53     }, () => {
  54       ok(false, "The compilation of the wasmModule failed.");
  55       resolve(null);
  56     });
  57   });
  58 }
  59
  60 function runTestInIframe() {
  61   let audioContext = new AudioContext();
  62   audioContext.audioWorklet.addModule("worklet_audioWorklet_WASM.js")
  63   .then(() => create_wasmModule())
  64   .then(wasmModule => {
  65     const node = new AudioWorkletNode(audioContext, 'wasm');
  66     let msgId = 0;
  67     node.port.onmessage = e => {
  68       if (msgId++ == 0) {
  69         ok(e.data.wasmModule instanceof WebAssembly.Module, "WasmModule received");
  70       } else {
  71         ok(e.data.sab instanceof SharedArrayBuffer, "SAB received");
  72         SimpleTest.finish();
  73       }
  74     }
  75
  76     node.port.postMessage({wasmModule});
  77     node.port.postMessage({sab: new SharedArrayBuffer(1024)});
  78     node.connect(audioContext.destination);
  79   });
  80 }
  81 </script>
  82
  83 </body>
  84 </html>