text: // Copyright (c) 2012 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #include "chrome/browser/extensions/extension_apitest.h"
  #include "content/public/test/browser_test.h"
  #include "net/dns/mock_host_resolver.h"
  
  const base::FilePath::CharType kFtpDocRoot[] =
      FILE_PATH_LITERAL("chrome/test/data");
  
  class CrossOriginXHR : public extensions::ExtensionApiTest {
   public:
    void SetUpOnMainThread() override {
      extensions::ExtensionApiTest::SetUpOnMainThread();
      host_resolver()->AddRule("*.com", "127.0.0.1");
      ASSERT_TRUE(StartEmbeddedTestServer());
    }
  };
  
  IN_PROC_BROWSER_TEST_F(CrossOriginXHR, BackgroundPage) {
    ASSERT_TRUE(StartFTPServer(base::FilePath(kFtpDocRoot)));
    ASSERT_TRUE(RunExtensionTest("cross_origin_xhr/background_page")) << message_;
  }
  
  IN_PROC_BROWSER_TEST_F(CrossOriginXHR, ContentScript) {
    ASSERT_TRUE(StartFTPServer(base::FilePath(kFtpDocRoot)));
    ASSERT_TRUE(RunExtensionTest("cross_origin_xhr/content_script")) << message_;
  }
  
  // Tests that an extension frame can xhr a file url if it has file access and
  // "<all_urls>" host permissions.
  IN_PROC_BROWSER_TEST_F(CrossOriginXHR, FileAccessAllURLs) {
    ASSERT_TRUE(RunExtensionTest("cross_origin_xhr/file_access_all_urls"))
        << message_;
  }
  
  // Tests that an extension frame can't xhr a file url if it has no file access
  // even with the "<all_urls>" host permissions.
  IN_PROC_BROWSER_TEST_F(CrossOriginXHR, NoFileAccessAllURLs) {
    ASSERT_TRUE(
        RunExtensionTestNoFileAccess("cross_origin_xhr/no_file_access_all_urls"))
        << message_;
  }
  
  // Tests that an extension frame can't xhr a file url if it does not have host
  // permissions to the file scheme even though it has file access.
  IN_PROC_BROWSER_TEST_F(CrossOriginXHR, FileAccessNoHosts) {
    ASSERT_TRUE(RunExtensionTest("cross_origin_xhr/file_access_no_hosts"))
        << message_;
  }
  