tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_webassembly_compile_worker.js (1672B)

      1 const sampleURL = "test_webassembly_compile_sample.wasm";
      2 const sampleExportName = "run";
      3 const sampleResult = 1275;
      4 
      5 /* eslint-disable no-throw-literal */
      6 
      7 function checkSampleModule(m) {
      8  if (!(m instanceof WebAssembly.Module)) {
      9    throw "not a module";
     10  }
     11  var i = new WebAssembly.Instance(m);
     12  if (!(i instanceof WebAssembly.Instance)) {
     13    throw "not an instance";
     14  }
     15  if (i.exports[sampleExportName]() !== sampleResult) {
     16    throw "wrong result";
     17  }
     18 }
     19 
     20 function checkSampleInstance(i) {
     21  if (!(i instanceof WebAssembly.Instance)) {
     22    throw "not an instance";
     23  }
     24  if (i.exports[sampleExportName]() !== sampleResult) {
     25    throw "wrong result";
     26  }
     27 }
     28 
     29 const initObj = { headers: { "Content-Type": "application/wasm" } };
     30 
     31 onmessage = e => {
     32  WebAssembly.compile(e.data)
     33    .then(m => checkSampleModule(m))
     34    .then(() => WebAssembly.instantiate(e.data))
     35    .then(({ module, instance }) => {
     36      checkSampleModule(module);
     37      checkSampleInstance(instance);
     38    })
     39    .then(() => WebAssembly.compileStreaming(new Response(e.data, initObj)))
     40    .then(m => checkSampleModule(m))
     41    .then(() => WebAssembly.instantiateStreaming(new Response(e.data, initObj)))
     42    .then(({ module, instance }) => {
     43      checkSampleModule(module);
     44      checkSampleInstance(instance);
     45    })
     46    .then(() => WebAssembly.compileStreaming(fetch(sampleURL)))
     47    .then(m => checkSampleModule(m))
     48    .then(() => WebAssembly.instantiateStreaming(fetch(sampleURL)))
     49    .then(({ module, instance }) => {
     50      checkSampleModule(module);
     51      checkSampleInstance(instance);
     52    })
     53    .then(() => postMessage("ok"))
     54    .catch(err => postMessage("fail: " + err));
     55 };