More aggressive IO asserts in content_browsertests.

content/test/content_browser_test_test.cc

 // Copyright (c) 2011 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 "content/public/test/content_browser_test.h"
 
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/process/launch.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/launcher/test_launcher.h"
+#include "base/threading/thread_restrictions.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "build/build_config.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_process_host_observer.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/content_browser_test_utils.h"
 #include "content/public/test/test_launcher.h"
 #include "content/public/test/test_utils.h"
@@ skipping 49 matching lines @@
 
 // Tests that browser tests print the callstack when a child process crashes.
 IN_PROC_BROWSER_TEST_F(ContentBrowserTest, RendererCrashCallStack) {
 #if defined(OS_WIN)
   // Matches the same condition in RouteStdioToConsole, which makes this test
   // fail on XP.
   if (base::win::GetVersion() < base::win::VERSION_VISTA)
     return;
 #endif
 
+  base::ThreadRestrictions::ScopedAllowIO allow_io_for_temp_dir;
   base::ScopedTempDir temp_dir;
   ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
   base::CommandLine new_test =
       base::CommandLine(base::CommandLine::ForCurrentProcess()->GetProgram());
   new_test.AppendSwitchASCII(base::kGTestFilterFlag,
                              "ContentBrowserTest.MANUAL_RendererCrash");
   new_test.AppendSwitch(kRunManualTestsFlag);
   new_test.AppendSwitch(kSingleProcessTestsFlag);
 
   // Per https://www.chromium.org/developers/testing/addresssanitizer, there are
@@ skipping 21 matching lines @@
                  << output;
   }
 }
 
 IN_PROC_BROWSER_TEST_F(ContentBrowserTest, MANUAL_BrowserCrash) {
   CHECK(false);
 }
 
 // Tests that browser tests print the callstack on asserts.
 IN_PROC_BROWSER_TEST_F(ContentBrowserTest, BrowserCrashCallStack) {
+  base::ThreadRestrictions::ScopedAllowIO allow_io_for_temp_dir;
   base::ScopedTempDir temp_dir;
   ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
   base::CommandLine new_test =
       base::CommandLine(base::CommandLine::ForCurrentProcess()->GetProgram());
   new_test.AppendSwitchASCII(base::kGTestFilterFlag,
                              "ContentBrowserTest.MANUAL_BrowserCrash");
   new_test.AppendSwitch(kRunManualTestsFlag);
   new_test.AppendSwitch(kSingleProcessTestsFlag);
   std::string output;
   base::GetAppOutputAndError(new_test, &output);
@@ skipping 47 matching lines @@
 
 IN_PROC_BROWSER_TEST_F(ContentBrowserTest, NonNestableTask) {
   bool non_nested_task_ran = false;
   base::ThreadTaskRunnerHandle::Get()->PostNonNestableTask(
       FROM_HERE, base::Bind(&CallbackChecker, &non_nested_task_ran));
   content::RunAllPendingInMessageLoop();
   ASSERT_TRUE(non_nested_task_ran);
 }
 
 }  // namespace content