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chromium/third_party/blink/web_tests/wpt_internal/webgpu/web_platform/canvas/canvas-get-current-texture-expiry-offscreen.https.html 

<!DOCTYPE html>
<meta charset="utf-8">
<title>WebGPU offscreen canvas getCurrentTexture expiry tests</title>

<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="./canvas-get-current-texture-expiry.js"></script>
<script>
"use strict";
setup({single_test: true});
onload = async function() {
  const canvas = new OffscreenCanvas(1, 1);

  const adapter = await navigator.gpu.requestAdapter();
  assert_true(adapter instanceof GPUAdapter, 'Failed to request WebGPU adapter');
  const device = await adapter.requestDevice();
  assert_true(device instanceof GPUDevice, 'Failed to request WebGPU device');
  const ctx = canvas.getContext('webgpu');
  assert_true(ctx instanceof GPUCanvasContext, 'Failed to get WebGPU context from canvas');

  ctx.configure({
      device: device,
      format: navigator.gpu.getPreferredCanvasFormat(),
      usage: GPUTextureUsage.RENDER_ATTACHMENT | GPUTextureUsage.COPY_SRC,
  });

  await test(ctx, device, 'runInNewCanvasFrame', true);
  await test(ctx, device, 'runInNewCanvasFrame', false);
  await test(ctx, device, 'requestAnimationFrame', true);
  await test(ctx, device, 'requestAnimationFrame', false);
  done();
}

</script>