sync_switch_unittest.cc File Reference

#include "flutter/fml/synchronization/sync_switch.h"
#include <thread>
#include "gtest/gtest.h"

Go to the source code of this file.

Functions
	TEST (SyncSwitchTest, Basic)
	TEST (SyncSwitchTest, NoopIfUndefined)
	TEST (SyncSwitchTest, SharedLock)

Function Documentation

TEST() [1/3]

TEST	(	SyncSwitchTest	,
		Basic
	)

Definition at line 13 of file sync_switch_unittest.cc.

                            {
  SyncSwitch sync_switch;
  bool switch_value = false;
  sync_switch.Execute(SyncSwitch::Handlers()
                          .SetIfTrue([&] { switch_value = true; })
                          .SetIfFalse([&] { switch_value = false; }));
  EXPECT_FALSE(switch_value);
  sync_switch.SetSwitch(true);
  sync_switch.Execute(SyncSwitch::Handlers()
                          .SetIfTrue([&] { switch_value = true; })
                          .SetIfFalse([&] { switch_value = false; }));
  EXPECT_TRUE(switch_value);
}

References fml::SyncSwitch::Execute(), and fml::SyncSwitch::SetSwitch().

TEST() [2/3]

TEST	(	SyncSwitchTest	,
		NoopIfUndefined
	)

Definition at line 27 of file sync_switch_unittest.cc.

                                      {
  SyncSwitch sync_switch;
  bool switch_value = false;
  sync_switch.Execute(SyncSwitch::Handlers());
  EXPECT_FALSE(switch_value);
}

References fml::SyncSwitch::Execute().

TEST() [3/3]

TEST	(	SyncSwitchTest	,
		SharedLock
	)

Definition at line 34 of file sync_switch_unittest.cc.

                                 {
  SyncSwitch sync_switch;
  sync_switch.SetSwitch(true);
  bool switch_value1 = false;
  bool switch_value2 = false;
 
  std::thread thread1([&] {
    sync_switch.Execute(
        SyncSwitch::Handlers()
            .SetIfTrue([&] {
              switch_value1 = true;
 
              std::thread thread2([&]() {
                sync_switch.Execute(
                    SyncSwitch::Handlers()
                        .SetIfTrue([&] { switch_value2 = true; })
                        .SetIfFalse([&] { switch_value2 = false; }));
              });
              thread2.join();
            })
            .SetIfFalse([&] { switch_value1 = false; }));
  });
  thread1.join();
  EXPECT_TRUE(switch_value1);
  EXPECT_TRUE(switch_value2);
}

References fml::SyncSwitch::Execute(), and fml::SyncSwitch::SetSwitch().