unit_tests/tests/controllers/algo/test_closed_loop_idle.cpp

Directory:	./
File:	unit_tests/tests/controllers/algo/test_closed_loop_idle.cpp
Date:	2025-10-03 00:57:22

	Coverage	Exec	Excl	Total
Lines:	100.0%	202	0	202
Functions:	100.0%	40	0	40
Branches:	39.2%	115	0	293
Decisions:	100.0%	4	-	4

  
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      /*
    
       * @file test_close_loop_idle.cpp
    
       *
    
       * @date: jun 18, 2025
    
       * @author FDSoftware
    
       */
    
      #include "pch.h"
    
      #include "closed_loop_idle.h"
    
      using ::testing::StrictMock;
    
      using ::testing::Eq;
    
      using ::testing::_;
    
      using ICP = IIdleController::Phase;
    
      using TgtInfo = IIdleController::TargetInfo;
    
      class MockIdleLTIT : public MockIdleController {
    
      public:
    
          bool useClosedLoop = true;
    
      	ICP m_lastPhase = ICP::Cranking;
    
      6
          ICP getCurrentPhase() const {
    
      6
              return m_lastPhase;
    
          }
    
      5
          TgtInfo getTargetRpm(float clt){
    
      5
              TgtInfo targetInfo;
    
      5
              targetInfo.ClosedLoopTarget = 950;
    
      5
              targetInfo.IdleEntryRpm = 900;
    
      5
              targetInfo.IdleExitRpm = 1100;
    
      5
              return targetInfo;
    
          }
    
      };
    
      4
      TEST(LongTermIdleTrim, isValidConditionsForLearning){
    
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          EngineTestHelper eth(engine_type_e::TEST_ENGINE);
    
          // idle config
    
      1
          engineConfiguration->idleMode = idle_mode_e::IM_AUTO;
    
          // ltit config
    
      1
          engineConfiguration->ltitEnabled = true;
    
      1
          engineConfiguration->ltitStableRpmThreshold = 50; // +-50 rpm
    
      1
          engineConfiguration->ltitStableTime = 1; // second
    
      1
          engineConfiguration->ltitIgnitionOnDelay = 1; // second
    
      1
          engineConfiguration->ltitIntegratorThreshold = 4; // % ?
    
      1
          constexpr int mocked_rpm = 920;
    
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          StrictMock<MockIdleLTIT> idler;
    
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          engine->engineModules.get<IdleController>().set(&idler);
    
      1
      	idler.m_lastPhase = ICP::Idling;
    
          // LTIT not initialized
    
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      1
          EXPECT_FALSE(engine->m_ltit.isValidConditionsForLearning(4.5f));
    
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          engine->m_ltit.loadLtitFromConfig();
    
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          engine->m_ltit.onIgnitionStateChanged(true);
    
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          advanceTimeUs(MS2US(500));
    
          // not enough time has passed yet to fulfill ltitIgnitionOnDelay
    
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          EXPECT_FALSE(engine->m_ltit.isValidConditionsForLearning(4.5f));
    
          // integrator too low
    
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      1
          EXPECT_FALSE(engine->m_ltit.isValidConditionsForLearning(3.0f));
    
          // integrator too high
    
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      1
          EXPECT_FALSE(engine->m_ltit.isValidConditionsForLearning(-30.f));
    
          // isStableIdle update
    
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          advanceTimeUs(MS2US(1000));
    
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          engine->m_ltit.update(mocked_rpm,0,false,false,false,0.45);
    
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      1
          EXPECT_TRUE(engine->m_ltit.isValidConditionsForLearning(4.5f));
    
      2
      };
    
      4
      TEST(LongTermIdleTrim, onIgnitionStateChanged) {
    
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          EngineTestHelper eth(engine_type_e::TEST_ENGINE);
    
      1
          engine->m_ltit.isStableIdle = true;
    
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          engine->m_ltit.onIgnitionStateChanged(true);
    
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          EXPECT_FALSE(engine->m_ltit.isStableIdle);
    
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          engine->m_ltit.updatedLtit = true;
    
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          engine->m_ltit.onIgnitionStateChanged(false);
    
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      1
          EXPECT_TRUE(engine->m_ltit.m_pendingSave);
    
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          EXPECT_FALSE(engine->m_ltit.updatedLtit);
    
      2
      }
    
      4
      TEST(LongTermIdleTrim, checkIfShouldSave) {
    
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          EngineTestHelper eth(engine_type_e::TEST_ENGINE);
    
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          engineConfiguration->ltitIgnitionOffSaveDelay = 2;
    
          // update m_pendingSave
    
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          engine->m_ltit.updatedLtit = true;
    
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          engine->m_ltit.onIgnitionStateChanged(false);
    
          // not enough time has passed yet to fulfill ltitIgnitionOffSaveDelay
    
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          engine->m_ltit.checkIfShouldSave();
    
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          EXPECT_TRUE(engine->m_ltit.m_pendingSave);
    
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      1
          advanceTimeUs(MS2US(2500));
    
          // now we can save the table
    
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          engine->m_ltit.checkIfShouldSave();
    
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          EXPECT_FALSE(engine->m_ltit.m_pendingSave);
    
      2
      }
    
      4
      TEST(LongTermIdleTrim, hasValidData) {
    
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          EngineTestHelper eth(engine_type_e::TEST_ENGINE);
    
          // controller not initialized
    
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          EXPECT_FALSE(engine->m_ltit.hasValidData());
    
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          setArrayValues(config->ltitTable, 100);
    
          // correct data
    
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      1
          EXPECT_TRUE(engine->m_ltit.hasValidData());
    
          // Now we break almost the entire table with invalid values
    
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          for (int i = 0; i < LTIT_TABLE_SIZE - 2 ; i++) {
    
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              config->ltitTable[i] = 200;
    
          }
    
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      1
          EXPECT_FALSE(engine->m_ltit.hasValidData());
    
      2
      }
    
      4
      TEST(LongTermIdleTrim, loadLtitFromConfig) {
    
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         	EngineTestHelper eth(engine_type_e::TEST_ENGINE);
    
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          setArrayValues(config->ltitTable, 105);
    
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          engine->m_ltit.loadLtitFromConfig();
    
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          EXPECT_TRUE(engine->m_ltit.ltitTableInitialized);
    
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          EXPECT_EQ(engine->m_ltit.ltitTableHelper[0], 105);
    
      2
      }
    
      4
      TEST(LongTermIdleTrim, getLtitFactor) {
    
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         	EngineTestHelper eth(engine_type_e::TEST_ENGINE);
    
      1
      	constexpr auto mocked_rpm = 920;
    
      1
      	constexpr auto mocked_temp = 45.5;
    
      	// default is false pre-load, but we need to be explicit for LCOV
    
      1
      	engine->m_ltit.ltitTableInitialized = false;
    
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      	EXPECT_EQ(engine->m_ltit.getLtitFactor(mocked_rpm, mocked_temp), 1);
    
      1
      	setArrayValues(config->ltitTable, 105);
    
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      	engine->m_ltit.loadLtitFromConfig();
    
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      1
      	EXPECT_NEAR(engine->m_ltit.getLtitFactor(mocked_rpm, mocked_temp), 1.05, EPS4D);
    
      2
      }
    
      // from here to the bottom of the file we test all the branches of "update" function, so expect a lot of test more or less similar!
    
      class mockedLTIT : public LongTermIdleTrim {
    
      public:
    
      2
      	MOCK_METHOD(void, loadLtitFromConfig, (), (override));
    
      };
    
      4
      TEST(LongTermIdleTrim, update_not_enabled) {
    
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       	EngineTestHelper eth(engine_type_e::TEST_ENGINE);
    
      1
       	engineConfiguration->ltitEnabled = false;
    
      1
      	constexpr int mocked_rpm = 920;
    
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      1
      	engine->m_ltit.update(mocked_rpm,0,false,false,false,0.45);
    
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      	EXPECT_FALSE(engine->m_ltit.updatedLtit);
    
      2
      }
    
      4
      TEST(LongTermIdleTrim, update_not_Initialized) {
    
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       	EngineTestHelper eth(engine_type_e::TEST_ENGINE);
    
      1
       	engineConfiguration->ltitEnabled = true;
    
      1
      	constexpr int mocked_rpm = 920;
    
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      1
      	mockedLTIT ltit_controller;
    
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      	EXPECT_CALL(ltit_controller, loadLtitFromConfig());
    
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      	ltit_controller.update(mocked_rpm,0,false,false,false,0.45);
    
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      	EXPECT_FALSE(ltit_controller.updatedLtit);
    
      2
      }
    
      4
      TEST(LongTermIdleTrim, update_ignition_delay) {
    
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       	EngineTestHelper eth(engine_type_e::TEST_ENGINE);
    
      1
      	engineConfiguration->ltitIgnitionOnDelay = 1; // second
    
      1
       	engineConfiguration->ltitEnabled = true;
    
      1
      	engine->m_ltit.isStableIdle = true;
    
      1
      	constexpr int mocked_rpm = 920;
    
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      	engine->m_ltit.loadLtitFromConfig();
    
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      	engine->m_ltit.onIgnitionStateChanged(true);
    
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      	engine->m_ltit.update(mocked_rpm,0,false,false,false,0.45);
    
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      	EXPECT_FALSE(engine->m_ltit.updatedLtit);
    
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      	EXPECT_FALSE(engine->m_ltit.isStableIdle);
    
      2
      }
    
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      TEST(LongTermIdleTrim, update_idle) {
    
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       	EngineTestHelper eth(engine_type_e::TEST_ENGINE);
    
      1
      	engineConfiguration->ltitIgnitionOnDelay = 1; // second
    
      1
      	engineConfiguration->ltitStableTime = 2;
    
      1
      	engineConfiguration->ltitStableRpmThreshold = 50; // +-50 rpm
    
      1
       	engineConfiguration->ltitEnabled = true;
    
      1
      	engine->m_ltit.isStableIdle = true;
    
      1
      	constexpr int mocked_rpm = 920;
    
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      	StrictMock<MockIdleLTIT> idler;
    
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          engine->engineModules.get<IdleController>().set(&idler);
    
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      	engine->m_ltit.loadLtitFromConfig();
    
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      	engine->m_ltit.onIgnitionStateChanged(true);
    
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      	advanceTimeUs(MS2US(1500));
    
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      	idler.m_lastPhase = ICP::Running;
    
      	// Phase::Idling expect
    
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      	engine->m_ltit.update(mocked_rpm, 0, false, false, false, 0.45);
    
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      	EXPECT_FALSE(engine->m_ltit.updatedLtit);
    
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      	EXPECT_FALSE(engine->m_ltit.isStableIdle);
    
      	// rpm range expect
    
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      	idler.m_lastPhase = ICP::Idling;
    
      	// rpm too high for learn!
    
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      	engine->m_ltit.update(mocked_rpm + 200, 0, false, false, false, 0.45);
    
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      	EXPECT_FALSE(engine->m_ltit.updatedLtit);
    
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      	EXPECT_FALSE(engine->m_ltit.isStableIdle);
    
      	// stable idle check (false & still not in time)
    
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      	engine->m_ltit.isStableIdle = false;
    
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      	engine->m_ltit.update(mocked_rpm, 0, false, false, false, 0.45);
    
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      	EXPECT_FALSE(engine->m_ltit.updatedLtit);
    
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      	EXPECT_FALSE(engine->m_ltit.isStableIdle);
    
      	// stable idle check (false & still now in time)
    
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      	engine->m_ltit.isStableIdle = false;
    
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      	engine->m_ltit.onIgnitionStateChanged(true);
    
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      	advanceTimeUs(MS2US(2500));
    
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      	engine->m_ltit.update(mocked_rpm, 0, false, false, false, 0.45);
    
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      	EXPECT_FALSE(engine->m_ltit.updatedLtit);
    
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      	EXPECT_TRUE(engine->m_ltit.isStableIdle);
    
      2
      }
    
      4
      TEST(LongTermIdleTrim, update) {
    
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          EngineTestHelper eth(engine_type_e::TEST_ENGINE);
    
          // idle config
    
      1
          engineConfiguration->idleMode = idle_mode_e::IM_AUTO;
    
          // ltit config
    
      1
          engineConfiguration->ltitEnabled = true;
    
      1
          engineConfiguration->ltitStableRpmThreshold = 50; // +-50 rpm
    
      1
          engineConfiguration->ltitStableTime = 1; // second
    
      1
          engineConfiguration->ltitIgnitionOnDelay = 1; // second
    
      1
          engineConfiguration->ltitIntegratorThreshold = 4; // % ?
    
      1
      	setArrayValues(config->ltitTable, 105);
    
      1
          constexpr int mocked_rpm = 920;
    
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      	constexpr int mocked_temp = 45.5;
    
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          StrictMock<MockIdleLTIT> idler;
    
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          engine->engineModules.get<IdleController>().set(&idler);
    
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      	idler.m_lastPhase = ICP::Idling;
    
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      	idler.useClosedLoop = true;
    
          // LTIT not initialized
    
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          EXPECT_FALSE(engine->m_ltit.isValidConditionsForLearning(4.5f));
    
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          engine->m_ltit.loadLtitFromConfig();
    
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          engine->m_ltit.onIgnitionStateChanged(true);
    
          // idle controller isIdleClosedLoop
    
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      	engine->engineModules.get<IdleController>()->isIdleClosedLoop = true;
    
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          advanceTimeUs(MS2US(2500));
    
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         	engine->m_ltit.update(mocked_rpm, mocked_temp, false, false, false, 4.5);
    
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      	EXPECT_NEAR(engine->m_ltit.ltitTableHelper[0], 105, EPS4D);
    
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      	EXPECT_TRUE(engine->m_ltit.updatedLtit);
    
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      }
    
      //TODO: this func is unused:
    
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      TEST(LongTermIdleTrim, smoothLtitTable){
    
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      	EngineTestHelper eth(engine_type_e::TEST_ENGINE);
    
          // ltit config
    
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          engineConfiguration->ltitEnabled = true;
    
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      	setArrayValues(engine->m_ltit.ltitTableHelper, 100);
    
      	// randomize a bit the table:
    
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          for(size_t i = 0; i < LTIT_TABLE_SIZE; i++){
    
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            engine->m_ltit.ltitTableHelper[i] = engine->m_ltit.ltitTableHelper[i] + (5 * i);
    
          }
    
          // invalid factor:
    
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          engine->m_ltit.smoothLtitTable(180);
    
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          EXPECT_FALSE(engine->m_ltit.m_pendingSave);
    
          // valid factor
    
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          engine->m_ltit.smoothLtitTable(45);
    
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      	EXPECT_EQ(engine->m_ltit.ltitTableHelper[0], 101.125);
    
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          EXPECT_EQ(engine->m_ltit.ltitTableHelper[1], 105);
    
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      	EXPECT_EQ(engine->m_ltit.ltitTableHelper[3], 115);
    
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      	EXPECT_TRUE(engine->m_ltit.m_pendingSave);
    
      2
      }

Line	Branch	Decision	Exec	Source
1				/*
2				* @file test_close_loop_idle.cpp
3				*
4				* @date: jun 18, 2025
5				* @author FDSoftware
6				*/
7
8				#include "pch.h"
9				#include "closed_loop_idle.h"
10
11				using ::testing::StrictMock;
12				using ::testing::Eq;
13				using ::testing::_;
14
15				using ICP = IIdleController::Phase;
16				using TgtInfo = IIdleController::TargetInfo;
17
18				class MockIdleLTIT : public MockIdleController {
19				public:
20				bool useClosedLoop = true;
21				ICP m_lastPhase = ICP::Cranking;
22
23			6	ICP getCurrentPhase() const {
24			6	return m_lastPhase;
25				}
26			5	TgtInfo getTargetRpm(float clt){
27			5	TgtInfo targetInfo;
28			5	targetInfo.ClosedLoopTarget = 950;
29			5	targetInfo.IdleEntryRpm = 900;
30			5	targetInfo.IdleExitRpm = 1100;
31
32			5	return targetInfo;
33				}
34				};
35
36			4	TEST(LongTermIdleTrim, isValidConditionsForLearning){
37	1/1 ✓ Branch 2 taken 1 time.		1	EngineTestHelper eth(engine_type_e::TEST_ENGINE);
38				// idle config
39			1	engineConfiguration->idleMode = idle_mode_e::IM_AUTO;
40
41				// ltit config
42			1	engineConfiguration->ltitEnabled = true;
43			1	engineConfiguration->ltitStableRpmThreshold = 50; // +-50 rpm
44			1	engineConfiguration->ltitStableTime = 1; // second
45			1	engineConfiguration->ltitIgnitionOnDelay = 1; // second
46			1	engineConfiguration->ltitIntegratorThreshold = 4; // % ?
47
48			1	constexpr int mocked_rpm = 920;
49
50	1/1 ✓ Branch 2 taken 1 time.		1	StrictMock<MockIdleLTIT> idler;
51	1/1 ✓ Branch 1 taken 1 time.		1	engine->engineModules.get<IdleController>().set(&idler);
52			1	idler.m_lastPhase = ICP::Idling;
53
54				// LTIT not initialized
55	2/7 ✓ Branch 3 taken 1 time. ✗ Branch 8 not taken. ✓ Branch 9 taken 1 time. ✗ Branch 12 not taken. ✗ Branch 17 not taken. ✗ Branch 21 not taken. ✗ Branch 24 not taken.		1	EXPECT_FALSE(engine->m_ltit.isValidConditionsForLearning(4.5f));
56	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.loadLtitFromConfig();
57	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.onIgnitionStateChanged(true);
58
59	1/1 ✓ Branch 1 taken 1 time.		1	advanceTimeUs(MS2US(500));
60				// not enough time has passed yet to fulfill ltitIgnitionOnDelay
61	2/7 ✓ Branch 3 taken 1 time. ✗ Branch 8 not taken. ✓ Branch 9 taken 1 time. ✗ Branch 12 not taken. ✗ Branch 17 not taken. ✗ Branch 21 not taken. ✗ Branch 24 not taken.		1	EXPECT_FALSE(engine->m_ltit.isValidConditionsForLearning(4.5f));
62
63				// integrator too low
64	2/7 ✓ Branch 3 taken 1 time. ✗ Branch 8 not taken. ✓ Branch 9 taken 1 time. ✗ Branch 12 not taken. ✗ Branch 17 not taken. ✗ Branch 21 not taken. ✗ Branch 24 not taken.		1	EXPECT_FALSE(engine->m_ltit.isValidConditionsForLearning(3.0f));
65
66				// integrator too high
67	2/7 ✓ Branch 3 taken 1 time. ✗ Branch 8 not taken. ✓ Branch 9 taken 1 time. ✗ Branch 12 not taken. ✗ Branch 17 not taken. ✗ Branch 21 not taken. ✗ Branch 24 not taken.		1	EXPECT_FALSE(engine->m_ltit.isValidConditionsForLearning(-30.f));
68
69				// isStableIdle update
70	1/1 ✓ Branch 1 taken 1 time.		1	advanceTimeUs(MS2US(1000));
71	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.update(mocked_rpm,0,false,false,false,0.45);
72	2/7 ✓ Branch 3 taken 1 time. ✗ Branch 8 not taken. ✓ Branch 9 taken 1 time. ✗ Branch 12 not taken. ✗ Branch 17 not taken. ✗ Branch 21 not taken. ✗ Branch 24 not taken.		1	EXPECT_TRUE(engine->m_ltit.isValidConditionsForLearning(4.5f));
73			2	};
74
75			4	TEST(LongTermIdleTrim, onIgnitionStateChanged) {
76	1/1 ✓ Branch 2 taken 1 time.		1	EngineTestHelper eth(engine_type_e::TEST_ENGINE);
77			1	engine->m_ltit.isStableIdle = true;
78	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.onIgnitionStateChanged(true);
79	1/6 ✗ Branch 5 not taken. ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✗ Branch 14 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.		1	EXPECT_FALSE(engine->m_ltit.isStableIdle);
80
81			1	engine->m_ltit.updatedLtit = true;
82	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.onIgnitionStateChanged(false);
83	1/6 ✗ Branch 3 not taken. ✓ Branch 4 taken 1 time. ✗ Branch 7 not taken. ✗ Branch 12 not taken. ✗ Branch 16 not taken. ✗ Branch 19 not taken.		1	EXPECT_TRUE(engine->m_ltit.m_pendingSave);
84	1/6 ✗ Branch 5 not taken. ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✗ Branch 14 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.		1	EXPECT_FALSE(engine->m_ltit.updatedLtit);
85			2	}
86
87
88			4	TEST(LongTermIdleTrim, checkIfShouldSave) {
89	1/1 ✓ Branch 2 taken 1 time.		1	EngineTestHelper eth(engine_type_e::TEST_ENGINE);
90			1	engineConfiguration->ltitIgnitionOffSaveDelay = 2;
91
92				// update m_pendingSave
93			1	engine->m_ltit.updatedLtit = true;
94	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.onIgnitionStateChanged(false);
95
96				// not enough time has passed yet to fulfill ltitIgnitionOffSaveDelay
97	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.checkIfShouldSave();
98	1/6 ✗ Branch 3 not taken. ✓ Branch 4 taken 1 time. ✗ Branch 7 not taken. ✗ Branch 12 not taken. ✗ Branch 16 not taken. ✗ Branch 19 not taken.		1	EXPECT_TRUE(engine->m_ltit.m_pendingSave);
99
100	1/1 ✓ Branch 1 taken 1 time.		1	advanceTimeUs(MS2US(2500));
101
102				// now we can save the table
103	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.checkIfShouldSave();
104	1/6 ✗ Branch 5 not taken. ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✗ Branch 14 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.		1	EXPECT_FALSE(engine->m_ltit.m_pendingSave);
105			2	}
106
107			4	TEST(LongTermIdleTrim, hasValidData) {
108	1/1 ✓ Branch 2 taken 1 time.		1	EngineTestHelper eth(engine_type_e::TEST_ENGINE);
109
110				// controller not initialized
111	2/7 ✓ Branch 3 taken 1 time. ✗ Branch 8 not taken. ✓ Branch 9 taken 1 time. ✗ Branch 12 not taken. ✗ Branch 17 not taken. ✗ Branch 21 not taken. ✗ Branch 24 not taken.		1	EXPECT_FALSE(engine->m_ltit.hasValidData());
112
113			1	setArrayValues(config->ltitTable, 100);
114
115				// correct data
116	2/7 ✓ Branch 3 taken 1 time. ✗ Branch 8 not taken. ✓ Branch 9 taken 1 time. ✗ Branch 12 not taken. ✗ Branch 17 not taken. ✗ Branch 21 not taken. ✗ Branch 24 not taken.		1	EXPECT_TRUE(engine->m_ltit.hasValidData());
117
118				// Now we break almost the entire table with invalid values
119	2/2 ✓ Branch 0 taken 6 times. ✓ Branch 1 taken 1 time.	2/2 ✓ Decision 'true' taken 6 times. ✓ Decision 'false' taken 1 time.	7	for (int i = 0; i < LTIT_TABLE_SIZE - 2 ; i++) {
120			6	config->ltitTable[i] = 200;
121				}
122	2/7 ✓ Branch 3 taken 1 time. ✗ Branch 8 not taken. ✓ Branch 9 taken 1 time. ✗ Branch 12 not taken. ✗ Branch 17 not taken. ✗ Branch 21 not taken. ✗ Branch 24 not taken.		1	EXPECT_FALSE(engine->m_ltit.hasValidData());
123			2	}
124
125			4	TEST(LongTermIdleTrim, loadLtitFromConfig) {
126	1/1 ✓ Branch 2 taken 1 time.		1	EngineTestHelper eth(engine_type_e::TEST_ENGINE);
127			1	setArrayValues(config->ltitTable, 105);
128	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.loadLtitFromConfig();
129	1/6 ✗ Branch 3 not taken. ✓ Branch 4 taken 1 time. ✗ Branch 7 not taken. ✗ Branch 12 not taken. ✗ Branch 16 not taken. ✗ Branch 19 not taken.		1	EXPECT_TRUE(engine->m_ltit.ltitTableInitialized);
130	2/6 ✓ Branch 3 taken 1 time. ✗ Branch 7 not taken. ✓ Branch 8 taken 1 time. ✗ Branch 11 not taken. ✗ Branch 16 not taken. ✗ Branch 19 not taken.		1	EXPECT_EQ(engine->m_ltit.ltitTableHelper[0], 105);
131			2	}
132
133			4	TEST(LongTermIdleTrim, getLtitFactor) {
134	1/1 ✓ Branch 2 taken 1 time.		1	EngineTestHelper eth(engine_type_e::TEST_ENGINE);
135			1	constexpr auto mocked_rpm = 920;
136			1	constexpr auto mocked_temp = 45.5;
137				// default is false pre-load, but we need to be explicit for LCOV
138			1	engine->m_ltit.ltitTableInitialized = false;
139
140	3/7 ✓ Branch 4 taken 1 time. ✓ Branch 7 taken 1 time. ✗ Branch 12 not taken. ✓ Branch 13 taken 1 time. ✗ Branch 16 not taken. ✗ Branch 21 not taken. ✗ Branch 24 not taken.		1	EXPECT_EQ(engine->m_ltit.getLtitFactor(mocked_rpm, mocked_temp), 1);
141
142			1	setArrayValues(config->ltitTable, 105);
143	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.loadLtitFromConfig();
144	3/7 ✓ Branch 2 taken 1 time. ✓ Branch 5 taken 1 time. ✗ Branch 8 not taken. ✓ Branch 9 taken 1 time. ✗ Branch 12 not taken. ✗ Branch 17 not taken. ✗ Branch 20 not taken.		1	EXPECT_NEAR(engine->m_ltit.getLtitFactor(mocked_rpm, mocked_temp), 1.05, EPS4D);
145			2	}
146
147				// from here to the bottom of the file we test all the branches of "update" function, so expect a lot of test more or less similar!
148
149				class mockedLTIT : public LongTermIdleTrim {
150				public:
151			2	MOCK_METHOD(void, loadLtitFromConfig, (), (override));
152				};
153
154			4	TEST(LongTermIdleTrim, update_not_enabled) {
155	1/1 ✓ Branch 2 taken 1 time.		1	EngineTestHelper eth(engine_type_e::TEST_ENGINE);
156			1	engineConfiguration->ltitEnabled = false;
157			1	constexpr int mocked_rpm = 920;
158
159	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.update(mocked_rpm,0,false,false,false,0.45);
160	1/6 ✗ Branch 5 not taken. ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✗ Branch 14 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.		1	EXPECT_FALSE(engine->m_ltit.updatedLtit);
161			2	}
162
163			4	TEST(LongTermIdleTrim, update_not_Initialized) {
164	1/1 ✓ Branch 2 taken 1 time.		1	EngineTestHelper eth(engine_type_e::TEST_ENGINE);
165			1	engineConfiguration->ltitEnabled = true;
166			1	constexpr int mocked_rpm = 920;
167	1/1 ✓ Branch 2 taken 1 time.		1	mockedLTIT ltit_controller;
168
169	3/3 ✓ Branch 2 taken 1 time. ✓ Branch 6 taken 1 time. ✓ Branch 10 taken 1 time.		1	EXPECT_CALL(ltit_controller, loadLtitFromConfig());
170	1/1 ✓ Branch 1 taken 1 time.		1	ltit_controller.update(mocked_rpm,0,false,false,false,0.45);
171	1/6 ✗ Branch 5 not taken. ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✗ Branch 14 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.		1	EXPECT_FALSE(ltit_controller.updatedLtit);
172			2	}
173
174			4	TEST(LongTermIdleTrim, update_ignition_delay) {
175	1/1 ✓ Branch 2 taken 1 time.		1	EngineTestHelper eth(engine_type_e::TEST_ENGINE);
176			1	engineConfiguration->ltitIgnitionOnDelay = 1; // second
177			1	engineConfiguration->ltitEnabled = true;
178			1	engine->m_ltit.isStableIdle = true;
179			1	constexpr int mocked_rpm = 920;
180
181	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.loadLtitFromConfig();
182	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.onIgnitionStateChanged(true);
183	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.update(mocked_rpm,0,false,false,false,0.45);
184
185	1/6 ✗ Branch 5 not taken. ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✗ Branch 14 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.		1	EXPECT_FALSE(engine->m_ltit.updatedLtit);
186	1/6 ✗ Branch 5 not taken. ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✗ Branch 14 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.		1	EXPECT_FALSE(engine->m_ltit.isStableIdle);
187			2	}
188
189			4	TEST(LongTermIdleTrim, update_idle) {
190	1/1 ✓ Branch 2 taken 1 time.		1	EngineTestHelper eth(engine_type_e::TEST_ENGINE);
191			1	engineConfiguration->ltitIgnitionOnDelay = 1; // second
192			1	engineConfiguration->ltitStableTime = 2;
193			1	engineConfiguration->ltitStableRpmThreshold = 50; // +-50 rpm
194			1	engineConfiguration->ltitEnabled = true;
195			1	engine->m_ltit.isStableIdle = true;
196			1	constexpr int mocked_rpm = 920;
197
198	1/1 ✓ Branch 2 taken 1 time.		1	StrictMock<MockIdleLTIT> idler;
199	1/1 ✓ Branch 1 taken 1 time.		1	engine->engineModules.get<IdleController>().set(&idler);
200
201	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.loadLtitFromConfig();
202	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.onIgnitionStateChanged(true);
203
204	1/1 ✓ Branch 1 taken 1 time.		1	advanceTimeUs(MS2US(1500));
205			1	idler.m_lastPhase = ICP::Running;
206
207				// Phase::Idling expect
208	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.update(mocked_rpm, 0, false, false, false, 0.45);
209
210	1/6 ✗ Branch 5 not taken. ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✗ Branch 14 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.		1	EXPECT_FALSE(engine->m_ltit.updatedLtit);
211	1/6 ✗ Branch 5 not taken. ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✗ Branch 14 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.		1	EXPECT_FALSE(engine->m_ltit.isStableIdle);
212
213				// rpm range expect
214			1	idler.m_lastPhase = ICP::Idling;
215				// rpm too high for learn!
216	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.update(mocked_rpm + 200, 0, false, false, false, 0.45);
217
218	1/6 ✗ Branch 5 not taken. ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✗ Branch 14 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.		1	EXPECT_FALSE(engine->m_ltit.updatedLtit);
219	1/6 ✗ Branch 5 not taken. ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✗ Branch 14 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.		1	EXPECT_FALSE(engine->m_ltit.isStableIdle);
220
221				// stable idle check (false & still not in time)
222			1	engine->m_ltit.isStableIdle = false;
223	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.update(mocked_rpm, 0, false, false, false, 0.45);
224
225	1/6 ✗ Branch 5 not taken. ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✗ Branch 14 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.		1	EXPECT_FALSE(engine->m_ltit.updatedLtit);
226	1/6 ✗ Branch 5 not taken. ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✗ Branch 14 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.		1	EXPECT_FALSE(engine->m_ltit.isStableIdle);
227
228				// stable idle check (false & still now in time)
229			1	engine->m_ltit.isStableIdle = false;
230	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.onIgnitionStateChanged(true);
231	1/1 ✓ Branch 1 taken 1 time.		1	advanceTimeUs(MS2US(2500));
232	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.update(mocked_rpm, 0, false, false, false, 0.45);
233
234	1/6 ✗ Branch 5 not taken. ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✗ Branch 14 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.		1	EXPECT_FALSE(engine->m_ltit.updatedLtit);
235	1/6 ✗ Branch 5 not taken. ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✗ Branch 14 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.		1	EXPECT_TRUE(engine->m_ltit.isStableIdle);
236
237			2	}
238
239			4	TEST(LongTermIdleTrim, update) {
240	1/1 ✓ Branch 2 taken 1 time.		1	EngineTestHelper eth(engine_type_e::TEST_ENGINE);
241				// idle config
242			1	engineConfiguration->idleMode = idle_mode_e::IM_AUTO;
243
244				// ltit config
245			1	engineConfiguration->ltitEnabled = true;
246			1	engineConfiguration->ltitStableRpmThreshold = 50; // +-50 rpm
247			1	engineConfiguration->ltitStableTime = 1; // second
248			1	engineConfiguration->ltitIgnitionOnDelay = 1; // second
249			1	engineConfiguration->ltitIntegratorThreshold = 4; // % ?
250			1	setArrayValues(config->ltitTable, 105);
251
252			1	constexpr int mocked_rpm = 920;
253			1	constexpr int mocked_temp = 45.5;
254
255	1/1 ✓ Branch 2 taken 1 time.		1	StrictMock<MockIdleLTIT> idler;
256	1/1 ✓ Branch 1 taken 1 time.		1	engine->engineModules.get<IdleController>().set(&idler);
257			1	idler.m_lastPhase = ICP::Idling;
258			1	idler.useClosedLoop = true;
259
260				// LTIT not initialized
261	2/7 ✓ Branch 3 taken 1 time. ✗ Branch 8 not taken. ✓ Branch 9 taken 1 time. ✗ Branch 12 not taken. ✗ Branch 17 not taken. ✗ Branch 21 not taken. ✗ Branch 24 not taken.		1	EXPECT_FALSE(engine->m_ltit.isValidConditionsForLearning(4.5f));
262	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.loadLtitFromConfig();
263	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.onIgnitionStateChanged(true);
264
265				// idle controller isIdleClosedLoop
266	1/1 ✓ Branch 1 taken 1 time.		1	engine->engineModules.get<IdleController>()->isIdleClosedLoop = true;
267
268	1/1 ✓ Branch 1 taken 1 time.		1	advanceTimeUs(MS2US(2500));
269	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.update(mocked_rpm, mocked_temp, false, false, false, 4.5);
270	2/6 ✓ Branch 2 taken 1 time. ✗ Branch 5 not taken. ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✗ Branch 14 not taken. ✗ Branch 17 not taken.		1	EXPECT_NEAR(engine->m_ltit.ltitTableHelper[0], 105, EPS4D);
271	1/6 ✗ Branch 3 not taken. ✓ Branch 4 taken 1 time. ✗ Branch 7 not taken. ✗ Branch 12 not taken. ✗ Branch 16 not taken. ✗ Branch 19 not taken.		1	EXPECT_TRUE(engine->m_ltit.updatedLtit);
272			2	}
273
274				//TODO: this func is unused:
275			4	TEST(LongTermIdleTrim, smoothLtitTable){
276	1/1 ✓ Branch 2 taken 1 time.		1	EngineTestHelper eth(engine_type_e::TEST_ENGINE);
277				// ltit config
278			1	engineConfiguration->ltitEnabled = true;
279			1	setArrayValues(engine->m_ltit.ltitTableHelper, 100);
280
281				// randomize a bit the table:
282	2/2 ✓ Branch 0 taken 8 times. ✓ Branch 1 taken 1 time.	2/2 ✓ Decision 'true' taken 8 times. ✓ Decision 'false' taken 1 time.	9	for(size_t i = 0; i < LTIT_TABLE_SIZE; i++){
283			8	engine->m_ltit.ltitTableHelper[i] = engine->m_ltit.ltitTableHelper[i] + (5 * i);
284				}
285
286				// invalid factor:
287	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.smoothLtitTable(180);
288	1/6 ✗ Branch 5 not taken. ✓ Branch 6 taken 1 time. ✗ Branch 9 not taken. ✗ Branch 14 not taken. ✗ Branch 18 not taken. ✗ Branch 21 not taken.		1	EXPECT_FALSE(engine->m_ltit.m_pendingSave);
289
290				// valid factor
291	1/1 ✓ Branch 1 taken 1 time.		1	engine->m_ltit.smoothLtitTable(45);
292	2/6 ✓ Branch 3 taken 1 time. ✗ Branch 7 not taken. ✓ Branch 8 taken 1 time. ✗ Branch 11 not taken. ✗ Branch 16 not taken. ✗ Branch 19 not taken.		1	EXPECT_EQ(engine->m_ltit.ltitTableHelper[0], 101.125);
293	2/6 ✓ Branch 3 taken 1 time. ✗ Branch 7 not taken. ✓ Branch 8 taken 1 time. ✗ Branch 11 not taken. ✗ Branch 16 not taken. ✗ Branch 19 not taken.		1	EXPECT_EQ(engine->m_ltit.ltitTableHelper[1], 105);
294	2/6 ✓ Branch 3 taken 1 time. ✗ Branch 7 not taken. ✓ Branch 8 taken 1 time. ✗ Branch 11 not taken. ✗ Branch 16 not taken. ✗ Branch 19 not taken.		1	EXPECT_EQ(engine->m_ltit.ltitTableHelper[3], 115);
295	1/6 ✗ Branch 3 not taken. ✓ Branch 4 taken 1 time. ✗ Branch 7 not taken. ✗ Branch 12 not taken. ✗ Branch 16 not taken. ✗ Branch 19 not taken.		1	EXPECT_TRUE(engine->m_ltit.m_pendingSave);
296			2	}
297