base/test/test_timeouts.cc

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/test/test_timeouts.h"
   6
   7 #include <algorithm>
   8
   9 #include "base/command_line.h"
  10 #include "base/debug/debugger.h"
  11 #include "base/logging.h"
  12 #include "base/strings/string_number_conversions.h"
  13 #include "base/test/test_switches.h"
  14
  15 namespace {
  16
  17 // ASan/TSan/MSan instrument each memory access. This may slow the execution
  18 // down significantly.
  19 #if defined(MEMORY_SANITIZER)
  20 // For MSan the slowdown depends heavily on the value of msan_track_origins GYP
  21 // flag. The multiplier below corresponds to msan_track_origins=1.
  22 static const int kTimeoutMultiplier = 6;
  23 #elif defined(ADDRESS_SANITIZER) || defined(THREAD_SANITIZER) || \
  24     defined(SYZYASAN)
  25 static const int kTimeoutMultiplier = 2;
  26 #else
  27 static const int kTimeoutMultiplier = 1;
  28 #endif
  29
  30 const int kAlmostInfiniteTimeoutMs = 100000000;
  31
  32 // Sets value to the greatest of:
  33 // 1) value's current value multiplied by kTimeoutMultiplier (assuming
  34 // InitializeTimeout is called only once per value).
  35 // 2) min_value.
  36 // 3) the numerical value given by switch_name on the command line multiplied
  37 // by kTimeoutMultiplier.
  38 void InitializeTimeout(const char* switch_name, int min_value, int* value) {
  39   DCHECK(value);
  40   if (CommandLine::ForCurrentProcess()->HasSwitch(switch_name)) {
  41     std::string string_value(
  42         CommandLine::ForCurrentProcess()->GetSwitchValueASCII(switch_name));
  43     int timeout;
  44     base::StringToInt(string_value, &timeout);
  45     *value = std::max(*value, timeout);
  46   }
  47   *value *= kTimeoutMultiplier;
  48   *value = std::max(*value, min_value);
  49 }
  50
  51 // Sets value to the greatest of:
  52 // 1) value's current value multiplied by kTimeoutMultiplier.
  53 // 2) 0
  54 // 3) the numerical value given by switch_name on the command line multiplied
  55 // by kTimeoutMultiplier.
  56 void InitializeTimeout(const char* switch_name, int* value) {
  57   InitializeTimeout(switch_name, 0, value);
  58 }
  59
  60 }  // namespace
  61
  62 // static
  63 bool TestTimeouts::initialized_ = false;
  64
  65 // The timeout values should increase in the order they appear in this block.
  66 // static
  67 int TestTimeouts::tiny_timeout_ms_ = 100;
  68 int TestTimeouts::action_timeout_ms_ = 10000;
  69 #ifndef NDEBUG
  70 int TestTimeouts::action_max_timeout_ms_ = 45000;
  71 #else
  72 int TestTimeouts::action_max_timeout_ms_ = 30000;
  73 #endif  // NDEBUG
  74
  75 int TestTimeouts::test_launcher_timeout_ms_ = 45000;
  76
  77 // static
  78 void TestTimeouts::Initialize() {
  79   if (initialized_) {
  80     NOTREACHED();
  81     return;
  82   }
  83   initialized_ = true;
  84
  85   if (base::debug::BeingDebugged()) {
  86     fprintf(stdout,
  87         "Detected presence of a debugger, running without test timeouts.\n");
  88   }
  89
  90   // Note that these timeouts MUST be initialized in the correct order as
  91   // per the CHECKS below.
  92   InitializeTimeout(switches::kTestTinyTimeout, &tiny_timeout_ms_);
  93   InitializeTimeout(switches::kUiTestActionTimeout,
  94                     base::debug::BeingDebugged() ? kAlmostInfiniteTimeoutMs
  95                                                  : tiny_timeout_ms_,
  96                     &action_timeout_ms_);
  97   InitializeTimeout(switches::kUiTestActionMaxTimeout, action_timeout_ms_,
  98                     &action_max_timeout_ms_);
  99
 100   // Test launcher timeout is independent from anything above action timeout.
 101   InitializeTimeout(switches::kTestLauncherTimeout, action_timeout_ms_,
 102                     &test_launcher_timeout_ms_);
 103
 104   // The timeout values should be increasing in the right order.
 105   CHECK(tiny_timeout_ms_ <= action_timeout_ms_);
 106   CHECK(action_timeout_ms_ <= action_max_timeout_ms_);
 107
 108   CHECK(action_timeout_ms_ <= test_launcher_timeout_ms_);
 109 }