참고소스 수정본

참고/playwright-main/tests/page/page-request-gc.spec.ts

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+/**
+ * Copyright 2024 Adobe Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { test, expect } from './pageTest';
+
+test('should work', async ({ page }) => {
+  await page.evaluate(() => {
+    globalThis.objectToDestroy = { hello: 'world' };
+    globalThis.weakRef = new WeakRef(globalThis.objectToDestroy);
+  });
+
+  await page.requestGC();
+  expect(await page.evaluate(() => globalThis.weakRef.deref())).toEqual({ hello: 'world' });
+
+  await page.requestGC();
+  expect(await page.evaluate(() => globalThis.weakRef.deref())).toEqual({ hello: 'world' });
+
+  await page.evaluate(() => globalThis.objectToDestroy = null);
+  await page.requestGC();
+  expect(await page.evaluate(() => globalThis.weakRef.deref())).toBe(undefined);
+});