dom/webgpu/mochitest/test_error_scope.html

   1 <!doctype html>
   2 <html>
   3   <head>
   4     <meta charset="utf-8" />
   5     <script src="/tests/SimpleTest/SimpleTest.js"></script>
   6     <link rel="stylesheet" href="/tests/SimpleTest/test.css" />
   7   </head>
   8   <body>
   9     <script>
  10       ok(
  11         SpecialPowers.getBoolPref("dom.webgpu.enabled"),
  12         "Pref should be enabled."
  13       );
  14
  15       const func = async function () {
  16         const adapter = await navigator.gpu.requestAdapter();
  17         const device = await adapter.requestDevice();
  18
  19         device.pushErrorScope("validation");
  20         const buffer = device.createBuffer({ size: 0, usage: 0 });
  21         const error = await device.popErrorScope();
  22
  23         isnot(
  24           error,
  25           null,
  26           "Attempt to createBuffer with size 0 and usage 0 should generate an error."
  27         );
  28
  29         try {
  30           await device.popErrorScope();
  31           ok(false, "Should have thrown");
  32         } catch (ex) {
  33           ok(ex.name == "OperationError", "Should throw an OperationError");
  34         }
  35       };
  36
  37       SimpleTest.waitForExplicitFinish();
  38       func()
  39         .catch(e => ok(false, "Unhandled exception " + e))
  40         .finally(() => SimpleTest.finish());
  41     </script>
  42   </body>
  43 </html>