chrome/browser/policy/test/unthrottled_nested_timeout_policy_browsertest.cc

// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <string>

#include "base/command_line.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/policy/policy_test_utils.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/common/pref_names.h"
#include "chrome/test/base/ui_test_utils.h"
#include "components/policy/core/common/policy_map.h"
#include "components/policy/core/common/policy_pref_names.h"
#include "components/policy/policy_constants.h"
#include "components/prefs/pref_service.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "third_party/blink/public/common/switches.h"
#include "url/gurl.h"

namespace policy {

// TODO(crbug.com/1374567): Re-enable or delete this test.
#if 0
class PolicyTestUnthrottledNestedTimeout : public PolicyTest {
 protected:
  void SetUpInProcessBrowserTestFixture() override {
    PolicyTest::SetUpInProcessBrowserTestFixture();
    PolicyMap policies;
    SetPolicy(&policies, policy::key::kUnthrottledNestedTimeoutEnabled,
              base::Value(false));
    provider_.UpdateChromePolicy(policies);
  }
};

constexpr char kSetTimeoutNestedScriptText[] =
    "let last = performance.now();"
    "let nesting = 0;"
    "function nestSetTimeouts() {"
    "  let current = performance.now();"
    "  if (nesting < 5) {"
    "    last = current;"
    "    nesting += 1;"
    "    setTimeout(nestSetTimeouts, 0);"
    "  } else {"
    "    let elapsed = current - last;"
    "    window.domAutomationController.send(elapsed >= 4);"
    "  }"
    "}"
    "setTimeout(nestSetTimeouts, 0);";

IN_PROC_BROWSER_TEST_F(PolicyTestUnthrottledNestedTimeout, DisablePolicy) {
  ASSERT_TRUE(embedded_test_server()->Start());
  const GURL url(embedded_test_server()->GetURL("/empty.html"));
  ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), url));

  content::WebContents* web_contents =
      browser()->tab_strip_model()->GetActiveWebContents();

  Profile* profile = browser()->profile();
  EXPECT_FALSE(profile->GetPrefs()->GetBoolean(
      policy::policy_prefs::kUnthrottledNestedTimeoutEnabled));

  content::DOMMessageQueue message_queue(web_contents);
  content::ExecuteScriptAsync(web_contents, kSetTimeoutNestedScriptText);
  std::string message;
  EXPECT_TRUE(message_queue.WaitForMessage(&message));
  EXPECT_EQ("true", message);
}
#endif

}  // namespace policy