1 files changed, 30 insertions, 0 deletions
diff --git a/dom/webgpu/tests/cts/checkout/src/common/internal/logging/logger.ts b/dom/webgpu/tests/cts/checkout/src/common/internal/logging/logger.ts
new file mode 100644
index 0000000000..e4526cff54
--- /dev/null
+++ b/dom/webgpu/tests/cts/checkout/src/common/internal/logging/logger.ts
@@ -0,0 +1,30 @@
+import { version } from '../version.js';
+
+import { LiveTestCaseResult } from './result.js';
+import { TestCaseRecorder } from './test_case_recorder.js';
+
+export type LogResults = Map<string, LiveTestCaseResult>;
+
+export class Logger {
+  static globalDebugMode: boolean = false;
+
+  readonly overriddenDebugMode: boolean | undefined;
+  readonly results: LogResults = new Map();
+
+  constructor({ overrideDebugMode }: { overrideDebugMode?: boolean } = {}) {
+    this.overriddenDebugMode = overrideDebugMode;
+  }
+
+  record(name: string): [TestCaseRecorder, LiveTestCaseResult] {
+    const result: LiveTestCaseResult = { status: 'running', timems: -1 };
+    this.results.set(name, result);
+    return [
+      new TestCaseRecorder(result, this.overriddenDebugMode ?? Logger.globalDebugMode),
+      result,
+    ];
+  }
+
+  asJSON(space?: number): string {
+    return JSON.stringify({ version, results: Array.from(this.results) }, undefined, space);
+  }
+}