From 5bde171657c64b6914885d85867eab1a7d9db7de Mon Sep 17 00:00:00 2001
From: Pavel Feldman <pavel.feldman@gmail.com>
Date: Thu, 2 Dec 2021 13:04:15 -0800
Subject: [PATCH] fix(chromium): disable AutoExpandDetailsElement as it breaks
 the web (#10679)

---
 .../playwright-core/src/server/chromium/chromium.ts |  2 +-
 tests/page/locator-convenience.spec.ts              | 13 +++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/packages/playwright-core/src/server/chromium/chromium.ts b/packages/playwright-core/src/server/chromium/chromium.ts
index 5544aed14f..8dc285c4f2 100644
--- a/packages/playwright-core/src/server/chromium/chromium.ts
+++ b/packages/playwright-core/src/server/chromium/chromium.ts
@@ -296,7 +296,7 @@ const DEFAULT_ARGS = [
   '--disable-default-apps',
   '--disable-dev-shm-usage',
   '--disable-extensions',
-  '--disable-features=ImprovedCookieControls,LazyFrameLoading,GlobalMediaControls,DestroyProfileOnBrowserClose,MediaRouter,AcceptCHFrame',
+  '--disable-features=ImprovedCookieControls,LazyFrameLoading,GlobalMediaControls,DestroyProfileOnBrowserClose,MediaRouter,AcceptCHFrame,AutoExpandDetailsElement',
   '--allow-pre-commit-input',
   '--disable-hang-monitor',
   '--disable-ipc-flooding-protection',
diff --git a/tests/page/locator-convenience.spec.ts b/tests/page/locator-convenience.spec.ts
index c04e732dae..9ebf21fbb2 100644
--- a/tests/page/locator-convenience.spec.ts
+++ b/tests/page/locator-convenience.spec.ts
@@ -178,3 +178,16 @@ it('allInnerTexts should work', async ({ page }) => {
   await page.setContent(`<div>A</div><div>B</div><div>C</div>`);
   expect(await page.locator('div').allInnerTexts()).toEqual(['A', 'B', 'C']);
 });
+
+it('isVisible and isHidden should work with details', async ({ page }) => {
+  await page.setContent(`<details>
+    <summary>click to open</summary>
+      <ul>
+        <li>hidden item 1</li>
+        <li>hidden item 2</li>
+        <li>hidden item 3</li>
+      </ul
+  </details>`);
+
+  await expect(page.locator('ul')).toBeHidden();
+});