tests/SupportKit: Add BStopWatch unit tests
Change-Id: I157b8b87538cfbb3a697d71c4c7aec9a941fefba Reviewed-on: https://review.haiku-os.org/c/haiku/+/10308 Reviewed-by: Kacper Kasper <[email protected]>
This commit is contained in:
Priyanshu Gupta
committed by
Kacper Kasper
Kacper Kasper
parent
1f3bc6f056
commit
f357ddbe8e
@@ -9,6 +9,7 @@ SEARCH_SOURCE += [ FDirName $(SUBDIR) blocker ] ;
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SEARCH_SOURCE += [ FDirName $(SUBDIR) bmemoryio ] ;
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SEARCH_SOURCE += [ FDirName $(SUBDIR) bstring ] ;
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SEARCH_SOURCE += [ FDirName $(SUBDIR) bblockcache ] ;
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SEARCH_SOURCE += [ FDirName $(SUBDIR) bstopwatch ] ;
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UnitTestLib libsupporttest.so
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: SupportKitTestAddon.cpp
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@@ -80,6 +81,9 @@ UnitTestLib libsupporttest.so
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BlockCacheExerciseTest.cpp
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BlockCacheConcurrencyTest.cpp
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# BStopWatch
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BStopWatchTest.cpp
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: be [ TargetLibstdc++ ] libsupporttest_RemoteTestObject.so
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;
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@@ -91,4 +95,3 @@ SimpleTest string_utf8_tests : string_utf8_tests.cpp : be ;
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SubInclude HAIKU_TOP src tests kits support barchivable ;
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#SubInclude HAIKU_TOP src tests kits support bautolock ;
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#SubInclude HAIKU_TOP src tests kits support blocker ;
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@@ -9,6 +9,7 @@
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#include "bmemoryio/MallocIOTest.h"
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#include "bstring/StringTest.h"
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#include "bblockcache/BlockCacheTest.h"
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#include "bstopwatch/BStopWatchTest.h"
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#include "ByteOrderTest.h"
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#include "DateTimeTest.h"
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@@ -27,7 +28,9 @@ getTestSuite()
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suite->addTest("BMallocIO", MallocIOTestSuite());
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suite->addTest("BString", StringTestSuite());
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suite->addTest("BBlockCache", BlockCacheTestSuite());
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suite->addTest("BStopWatch", BStopWatchTestSuite());
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suite->addTest("ByteOrder", ByteOrderTestSuite());
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return suite;
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}
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@@ -0,0 +1,207 @@
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/*
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* Copyright 2026, Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*/
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#include "BStopWatchTest.h"
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#include <cstring>
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#include <unistd.h>
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#include <StopWatch.h>
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#include <cppunit/TestCaller.h>
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#include <cppunit/TestSuite.h>
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class BStopWatchTest : public BTestCase {
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public:
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BStopWatchTest(std::string name = "");
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void NameWithNull_ReturnsEmptyString();
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void NameWithValidString_ReturnsSetName();
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void ElapsedTimeAfterDelay_Increases();
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void ElapsedTimeWhenSuspended_DoesNotChange();
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void LapWhenRunning_ReturnsIncreasingTime();
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void LapWhenExceedsMax_StillReturnsValidTime();
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void LapWhenSuspended_ReturnsZero();
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void ResetAfterRunning_ClearsElapsedTime();
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void ElapsedTimeAfterMultipleSuspendResume_OnlyCountsActivePeriods();
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};
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BStopWatchTest::BStopWatchTest(std::string name)
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:BTestCase(name)
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{
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}
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void
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BStopWatchTest::NameWithNull_ReturnsEmptyString()
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{
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BStopWatch sw(NULL, true);
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const char* name = sw.Name();
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CPPUNIT_ASSERT(strcmp(name, "") == 0);
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}
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void
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BStopWatchTest::NameWithValidString_ReturnsSetName()
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{
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BStopWatch sw("mywatch", true);
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const char* name = sw.Name();
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CPPUNIT_ASSERT(strcmp(name, "mywatch") == 0);
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}
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void
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BStopWatchTest::ElapsedTimeAfterDelay_Increases()
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{
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BStopWatch sw("et", true);
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bigtime_t t1 = sw.ElapsedTime();
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CPPUNIT_ASSERT(t1 >= 0);
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usleep(10000);
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bigtime_t t2 = sw.ElapsedTime();
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CPPUNIT_ASSERT(t2 > 0);
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CPPUNIT_ASSERT(t2 > t1);
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}
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void
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BStopWatchTest::ElapsedTimeWhenSuspended_DoesNotChange()
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{
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BStopWatch sw("sr", true);
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usleep(5000);
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sw.Suspend();
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bigtime_t t1 = sw.ElapsedTime();
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usleep(10000);
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bigtime_t t2 = sw.ElapsedTime();
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CPPUNIT_ASSERT_EQUAL(t1, t2);
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sw.Resume();
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usleep(5000);
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bigtime_t t3 = sw.ElapsedTime();
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CPPUNIT_ASSERT(t3 > t2);
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}
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void
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BStopWatchTest::LapWhenRunning_ReturnsIncreasingTime()
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{
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BStopWatch sw("lap", true);
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usleep(2000);
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bigtime_t l1 = sw.Lap();
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usleep(2000);
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bigtime_t l2 = sw.Lap();
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CPPUNIT_ASSERT(l2 > l1);
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}
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void
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BStopWatchTest::LapWhenExceedsMax_StillReturnsValidTime()
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{
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BStopWatch sw("lapoverflow", true);
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for (int i = 0; i < 12; i++)
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sw.Lap();
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CPPUNIT_ASSERT(sw.Lap() > 0);
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}
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void
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BStopWatchTest::LapWhenSuspended_ReturnsZero()
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{
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BStopWatch sw("lap2", true);
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sw.Suspend();
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bigtime_t lapTime = sw.Lap();
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CPPUNIT_ASSERT_EQUAL((bigtime_t)0, lapTime);
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}
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void
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BStopWatchTest::ResetAfterRunning_ClearsElapsedTime()
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{
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BStopWatch sw("reset", true);
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usleep(50000);
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sw.Lap();
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bigtime_t beforeReset = sw.ElapsedTime();
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CPPUNIT_ASSERT(beforeReset >= 50000);
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sw.Reset();
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CPPUNIT_ASSERT(sw.ElapsedTime() < 5000);
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}
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void
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BStopWatchTest::ElapsedTimeAfterMultipleSuspendResume_OnlyCountsActivePeriods()
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{
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BStopWatch sw("multi", true);
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usleep(2000);
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sw.Suspend();
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usleep(2000);
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sw.Resume();
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usleep(2000);
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sw.Suspend();
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usleep(2000);
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sw.Resume();
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usleep(2000);
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sw.Suspend();
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bigtime_t elapsed = sw.ElapsedTime();
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CPPUNIT_ASSERT(elapsed >= 6000);
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CPPUNIT_ASSERT(elapsed < 7000);
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}
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CppUnit::Test*
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BStopWatchTestSuite()
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{
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CppUnit::TestSuite* suite = new CppUnit::TestSuite("BStopWatch");
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suite->addTest(new CppUnit::TestCaller<BStopWatchTest>(
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"BStopWatchTest::NameWithNull_ReturnsEmptyString",
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&BStopWatchTest::NameWithNull_ReturnsEmptyString));
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suite->addTest(new CppUnit::TestCaller<BStopWatchTest>(
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"BStopWatchTest::NameWithValidString_ReturnsSetName",
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&BStopWatchTest::NameWithValidString_ReturnsSetName));
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suite->addTest(new CppUnit::TestCaller<BStopWatchTest>(
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"BStopWatchTest::ElapsedTimeAfterDelay_Increases",
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&BStopWatchTest::ElapsedTimeAfterDelay_Increases));
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suite->addTest(new CppUnit::TestCaller<BStopWatchTest>(
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"BStopWatchTest::ElapsedTimeWhenSuspended_DoesNotChange",
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&BStopWatchTest::ElapsedTimeWhenSuspended_DoesNotChange));
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suite->addTest(new CppUnit::TestCaller<BStopWatchTest>(
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"BStopWatchTest::LapWhenRunning_ReturnsIncreasingTime",
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&BStopWatchTest::LapWhenRunning_ReturnsIncreasingTime));
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suite->addTest(new CppUnit::TestCaller<BStopWatchTest>(
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"BStopWatchTest::LapWhenExceedsMax_StillReturnsValidTime",
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&BStopWatchTest::LapWhenExceedsMax_StillReturnsValidTime));
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suite->addTest(new CppUnit::TestCaller<BStopWatchTest>(
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"BStopWatchTest::LapWhenSuspended_ReturnsZero",
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&BStopWatchTest::LapWhenSuspended_ReturnsZero));
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suite->addTest(new CppUnit::TestCaller<BStopWatchTest>(
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"BStopWatchTest::ResetAfterRunning_ClearsElapsedTime",
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&BStopWatchTest::ResetAfterRunning_ClearsElapsedTime));
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suite->addTest(new CppUnit::TestCaller<BStopWatchTest>(
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"BStopWatchTest::ElapsedTimeAfterMultipleSuspendResume_OnlyCountsActivePeriods",
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&BStopWatchTest::ElapsedTimeAfterMultipleSuspendResume_OnlyCountsActivePeriods));
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return suite;
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}
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@@ -0,0 +1,15 @@
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/*
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* Copyright 2026, Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _B_STOPWATCH_TEST_H_
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#define _B_STOPWATCH_TEST_H_
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#include "TestCase.h"
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CppUnit::Test* BStopWatchTestSuite();
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#endif // _B_STOPWATCH_TEST_H_
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