rusefi-1/unit_tests/tests/ignition_injection/test_fuelCut.cpp

101 lines
3.6 KiB
C++

/*
* @file test_fuelCut.cpp
*
* @date Mar 22, 2018
* @author Andrey Belomutskiy, (c) 2012-2020
*/
#include "pch.h"
#include "event_queue.h"
#include "fsio_impl.h"
using ::testing::_;
TEST(fuelCut, coasting) {
WITH_ENGINE_TEST_HELPER(TEST_ENGINE);
EXPECT_CALL(eth.mockAirmass, getAirmass(_))
.WillRepeatedly(Return(AirmassResult{0.1008f, 50.0f}));
// configure coastingFuelCut
engineConfiguration->coastingFuelCutEnabled = true;
engineConfiguration->coastingFuelCutRpmLow = 1300;
engineConfiguration->coastingFuelCutRpmHigh = 1500;
engineConfiguration->coastingFuelCutTps = 2;
engineConfiguration->coastingFuelCutClt = 30;
engineConfiguration->coastingFuelCutMap = 100;
// set cranking threshold
engineConfiguration->cranking.rpm = 999;
// basic engine setup
setupSimpleTestEngineWithMafAndTT_ONE_trigger(&eth);
Sensor::setMockValue(SensorType::Map, 0);
// mock CLT - just above threshold ('hot engine')
float hotClt = engineConfiguration->coastingFuelCutClt + 1;
Sensor::setMockValue(SensorType::Clt, hotClt);
// mock TPS - throttle is opened
Sensor::setMockValue(SensorType::Tps1, 60);
// set 'running' RPM - just above RpmHigh threshold
engine->rpmCalculator.mockRpm = engineConfiguration->coastingFuelCutRpmHigh + 1;
// 'advance' time (amount doesn't matter)
eth.moveTimeForwardUs(1000);
const float normalInjDuration = 1.5f;
/*
* We need to pass through all rpm changes (high-mid-low-mid-high) because of state-machine
*/
// process
eth.engine.periodicFastCallback(PASS_ENGINE_PARAMETER_SIGNATURE);
// this is normal injection mode (the throttle is opened), no fuel cut-off
assertEqualsM("inj dur#1 norm", normalInjDuration, ENGINE(injectionDuration));
// 'releasing' the throttle
Sensor::setMockValue(SensorType::Tps1, 0);
eth.engine.periodicFastCallback(PASS_ENGINE_PARAMETER_SIGNATURE);
// Fuel cut-off is enabled now
assertEqualsM("inj dur#2 cut", 0.0f, ENGINE(injectionDuration));
// Now drop the CLT below threshold
Sensor::setMockValue(SensorType::Clt, engineConfiguration->coastingFuelCutClt - 1);
eth.engine.periodicFastCallback(PASS_ENGINE_PARAMETER_SIGNATURE);
// Fuel cut-off should be diactivated - the engine is 'cold'
assertEqualsM("inj dur#3 clt", normalInjDuration, ENGINE(injectionDuration));
// restore CLT
Sensor::setMockValue(SensorType::Clt, hotClt);
// And set RPM - somewhere between RpmHigh and RpmLow threshold
engine->rpmCalculator.mockRpm = (engineConfiguration->coastingFuelCutRpmHigh + engineConfiguration->coastingFuelCutRpmLow) / 2;
eth.engine.periodicFastCallback(PASS_ENGINE_PARAMETER_SIGNATURE);
// Fuel cut-off is enabled - nothing should change
assertEqualsM("inj dur#4 mid", normalInjDuration, ENGINE(injectionDuration));
// Now drop RPM just below RpmLow threshold
engine->rpmCalculator.mockRpm = engineConfiguration->coastingFuelCutRpmLow - 1;
eth.engine.periodicFastCallback(PASS_ENGINE_PARAMETER_SIGNATURE);
// Fuel cut-off is now disabled (the engine is idling)
assertEqualsM("inj dur#5 idle", normalInjDuration, ENGINE(injectionDuration));
// Now change RPM just below RpmHigh threshold
engine->rpmCalculator.mockRpm = engineConfiguration->coastingFuelCutRpmHigh - 1;
eth.engine.periodicFastCallback(PASS_ENGINE_PARAMETER_SIGNATURE);
// Fuel cut-off is still disabled
assertEqualsM("inj dur#6 mid", normalInjDuration, ENGINE(injectionDuration));
// Now set RPM just above RpmHigh threshold
engine->rpmCalculator.mockRpm = engineConfiguration->coastingFuelCutRpmHigh + 1;
eth.engine.periodicFastCallback(PASS_ENGINE_PARAMETER_SIGNATURE);
// Fuel cut-off is active again!
assertEqualsM("inj dur#7 cut", 0.0f, ENGINE(injectionDuration));
}