1 files changed, 70 insertions, 0 deletions
diff --git a/testing/web-platform/mozilla/tests/webgpu/webgpu/print_environment.spec.js b/testing/web-platform/mozilla/tests/webgpu/webgpu/print_environment.spec.js
new file mode 100644
index 0000000000..83ef03afd3
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+++ b/testing/web-platform/mozilla/tests/webgpu/webgpu/print_environment.spec.js
@@ -0,0 +1,70 @@
+/**
+* AUTO-GENERATED - DO NOT EDIT. Source: https://github.com/gpuweb/cts
+**/export const description = `
+
+Examples of writing CTS tests with various features.
+
+Start here when looking for examples of basic framework usage.
+`;import { getResourcePath } from '../common/framework/resources.js';
+import { globalTestConfig } from '../common/framework/test_config.js';
+import { makeTestGroup } from '../common/framework/test_group.js';
+import { getDefaultRequestAdapterOptions } from '../common/util/navigator_gpu.js';
+
+import { GPUTest } from './gpu_test.js';
+
+export const g = makeTestGroup(GPUTest);
+
+/** console.log is disallowed by WPT. Work around it when we're not in WPT. */
+function consoleLogIfNotWPT(x) {
+  if (!('step_timeout' in globalThis)) {
+    const cons = console;
+    cons.log(x);
+  }
+}
+
+g.test('info').
+desc(
+  `Test which prints what global scope (e.g. worker type) it's running in.
+Typically, tests will check for the presence of the feature they need (like HTMLCanvasElement)
+and skip if it's not available.
+
+Run this test under various configurations to see different results
+(Window, worker scopes, Node, etc.)
+
+NOTE: If your test runtime elides logs when tests pass, you won't see the prints from this test
+in the logs. On non-WPT runtimes, it will also print to the console with console.log.
+WPT disallows console.log and doesn't support logs on passing tests, so this does nothing on WPT.`
+).
+fn(async (t) => {
+  const adapterInfo = await t.adapter.requestAdapterInfo();
+
+  const info = JSON.stringify(
+    {
+      globalScope: Object.getPrototypeOf(globalThis).constructor.name,
+      globalTestConfig,
+      baseResourcePath: getResourcePath(''),
+      defaultRequestAdapterOptions: getDefaultRequestAdapterOptions(),
+      adapterInfo,
+      userAgent: navigator.userAgent
+    },
+    // Flatten objects with prototype chains into plain objects, using `for..in`. (Otherwise,
+    // properties from the prototype chain will be ignored and things will print as `{}`.)
+    (_key, value) => {
+      if (value === undefined || value === null) return null;
+      if (typeof value !== 'object') return value;
+
+      const valueObj = value;
+      return Object.fromEntries(
+        function* () {
+          for (const key in valueObj) {
+            yield [key, valueObj[key]];
+          }
+        }()
+      );
+    },
+    2
+  );
+
+  t.info(info);
+  consoleLogIfNotWPT(info);
+});
+\ No newline at end of file