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- // 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 "base/test/test_timeouts.h"
- #include <algorithm>
- #include <string>
- #include "base/check_op.h"
- #include "base/clang_profiling_buildflags.h"
- #include "base/command_line.h"
- #include "base/debug/debugger.h"
- #include "base/logging.h"
- #include "base/strings/string_number_conversions.h"
- #include "base/test/test_switches.h"
- #include "build/build_config.h"
- #include "build/chromeos_buildflags.h"
- namespace {
- // Sets value to the greatest of:
- // 1) value's current value multiplied by kTimeoutMultiplier (assuming
- // InitializeTimeout is called only once per value).
- // 2) min_value.
- // 3) the numerical value given by switch_name on the command line multiplied
- // by kTimeoutMultiplier.
- void InitializeTimeout(const char* switch_name,
- base::TimeDelta min_value,
- base::TimeDelta* value) {
- DCHECK(value);
- base::TimeDelta command_line_timeout;
- if (base::CommandLine::ForCurrentProcess()->HasSwitch(switch_name)) {
- std::string string_value(base::CommandLine::ForCurrentProcess()->
- GetSwitchValueASCII(switch_name));
- int command_line_timeout_ms = 0;
- if (!base::StringToInt(string_value, &command_line_timeout_ms)) {
- LOG(FATAL) << "Timeout value \"" << string_value << "\" was parsed as "
- << command_line_timeout_ms;
- }
- command_line_timeout = base::Milliseconds(command_line_timeout_ms);
- }
- #if defined(MEMORY_SANITIZER)
- // ASan/TSan/MSan instrument each memory access. This may slow the execution
- // down significantly.
- // For MSan the slowdown depends heavily on the value of msan_track_origins
- // build flag. The multiplier below corresponds to msan_track_origins = 1.
- #if BUILDFLAG(IS_CHROMEOS_ASH)
- // A handful of tests on ChromeOS time out when using the 6x limit used
- // elsewhere, so it's bumped to 10x.
- constexpr int kTimeoutMultiplier = 10;
- #else
- constexpr int kTimeoutMultiplier = 6;
- #endif
- #elif defined(ADDRESS_SANITIZER) && BUILDFLAG(IS_WIN)
- // ASan/Win has not been optimized yet, give it a higher
- // timeout multiplier. See http://crbug.com/412471
- constexpr int kTimeoutMultiplier = 3;
- #elif defined(ADDRESS_SANITIZER) && BUILDFLAG(IS_CHROMEOS_ASH)
- // A number of tests on ChromeOS run very close to the 2x limit, so ChromeOS
- // gets 3x.
- constexpr int kTimeoutMultiplier = 3;
- #elif defined(ADDRESS_SANITIZER) || defined(THREAD_SANITIZER)
- constexpr int kTimeoutMultiplier = 2;
- #elif BUILDFLAG(CLANG_PROFILING)
- // On coverage build, tests run 3x slower.
- constexpr int kTimeoutMultiplier = 3;
- #elif !defined(NDEBUG) && BUILDFLAG(IS_CHROMEOS_ASH)
- // TODO(crbug.com/1295825): reduce the multiplier back to 2x.
- // A number of tests on ChromeOS run very close to the base limit, so ChromeOS
- // gets 4x.
- constexpr int kTimeoutMultiplier = 4;
- #elif !defined(NDEBUG) && BUILDFLAG(IS_MAC)
- // A lot of browser_tests on Mac debug time out.
- constexpr int kTimeoutMultiplier = 2;
- #else
- constexpr int kTimeoutMultiplier = 1;
- #endif
- *value = std::max(std::max(*value, command_line_timeout) * kTimeoutMultiplier,
- min_value);
- }
- } // namespace
- // static
- bool TestTimeouts::initialized_ = false;
- // The timeout values should increase in the order they appear in this block.
- // static
- base::TimeDelta TestTimeouts::tiny_timeout_ = base::Milliseconds(100);
- base::TimeDelta TestTimeouts::action_timeout_ = base::Seconds(10);
- base::TimeDelta TestTimeouts::action_max_timeout_ = base::Seconds(30);
- base::TimeDelta TestTimeouts::test_launcher_timeout_ = base::Seconds(45);
- // static
- void TestTimeouts::Initialize() {
- DCHECK(!initialized_);
- initialized_ = true;
- const bool being_debugged = base::debug::BeingDebugged();
- if (being_debugged) {
- fprintf(stdout,
- "Detected presence of a debugger, running without test timeouts.\n");
- }
- // Note that these timeouts MUST be initialized in the correct order as
- // per the CHECKS below.
- InitializeTimeout(switches::kTestTinyTimeout, base::TimeDelta(),
- &tiny_timeout_);
- // All timeouts other than the "tiny" one should be set to very large values
- // when in a debugger or when run interactively, so that tests will not get
- // auto-terminated. By setting the UI test action timeout to at least this
- // value, we guarantee the subsequent timeouts will be this large also.
- // Setting the "tiny" timeout to a large value as well would make some tests
- // hang (because it's used as a task-posting delay). In particular this
- // causes problems for some iOS device tests, which are always run inside a
- // debugger (thus BeingDebugged() is true even on the bots).
- base::TimeDelta min_ui_test_action_timeout = tiny_timeout_;
- if (being_debugged || base::CommandLine::ForCurrentProcess()->HasSwitch(
- switches::kTestLauncherInteractive)) {
- min_ui_test_action_timeout = base::Days(1);
- }
- InitializeTimeout(switches::kUiTestActionTimeout, min_ui_test_action_timeout,
- &action_timeout_);
- InitializeTimeout(switches::kUiTestActionMaxTimeout, action_timeout_,
- &action_max_timeout_);
- // Test launcher timeout is independent from anything above action timeout.
- InitializeTimeout(switches::kTestLauncherTimeout, action_timeout_,
- &test_launcher_timeout_);
- // The timeout values should be increasing in the right order.
- CHECK_LE(tiny_timeout_, action_timeout_);
- CHECK_LE(action_timeout_, action_max_timeout_);
- CHECK_LE(action_timeout_, test_launcher_timeout_);
- }
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