35 lines
1.3 KiB
Python
35 lines
1.3 KiB
Python
# Copyright (c) Microsoft Corporation.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from playwright.async_api import Page
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from tests.server import Server
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async def test_should_work(page: Page, server: Server) -> None:
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await page.evaluate(
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"""() => {
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globalThis.objectToDestroy = { hello: 'world' };
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globalThis.weakRef = new WeakRef(globalThis.objectToDestroy);
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}"""
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)
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await page.request_gc()
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assert await page.evaluate("() => globalThis.weakRef.deref()") == {"hello": "world"}
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await page.request_gc()
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assert await page.evaluate("() => globalThis.weakRef.deref()") == {"hello": "world"}
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await page.evaluate("() => globalThis.objectToDestroy = null")
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await page.request_gc()
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assert await page.evaluate("() => globalThis.weakRef.deref()") is None
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