dom/webgpu/mochitest/test_context_configure.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       async function testBody() {
  16         const adapter = await navigator.gpu.requestAdapter({});
  17         const device = await adapter.requestDevice({});
  18         const canvas = document.createElement("canvas");
  19         const context = canvas.getContext("webgpu");
  20         const format = navigator.gpu.getPreferredCanvasFormat(adapter);
  21
  22         // Attempt to configure with a too-large canvas, which should
  23         // fail due to device texture limits.
  24         canvas.width = 1970696937;
  25         let expectedError;
  26         try {
  27           context.configure({
  28             device,
  29             format,
  30           });
  31         } catch (error) {
  32           expectedError = error;
  33         }
  34         // Bug 1864904: This should become an "is".
  35         todo_is(
  36           typeof expectedError,
  37           "TypeError",
  38           "Failed configure should generate a TypeError."
  39         );
  40       }
  41
  42       SimpleTest.waitForExplicitFinish();
  43       testBody()
  44         .catch(e => ok(false, "Unhandled exception " + e))
  45         .finally(() => SimpleTest.finish());
  46     </script>
  47   </body>
  48 </html>