rusefi-full/unit_tests/tests/test_fuel_wall_wetting.cpp

/*
 * @file test_fuel_wall_wetting.cpp
 *
 * See also test_accel_enrichment.cpp
 *
 * @date Oct 16, 2019
 * @author Andrey Belomutskiy, (c) 2012-2019
 */


#include "engine_test_helper.h"


TEST(fuel, testWallWettingEnrichmentMath) {
	WITH_ENGINE_TEST_HELPER(FORD_ASPIRE_1996);

	engineConfiguration->wwaeTau = 1.0f;
	engineConfiguration->wwaeBeta = 0.40f;

	engine->rpmCalculator.setRpmValue(3000 PASS_ENGINE_PARAMETER_SUFFIX);

	// each invocation of 'adjust' changes WallWetting internal state
	ASSERT_NEAR(16.6666, ENGINE(wallFuel).adjust(0, 10.0 PASS_ENGINE_PARAMETER_SUFFIX), EPS4D);
	ASSERT_NEAR(16.198, ENGINE(wallFuel).adjust(0, 10.0 PASS_ENGINE_PARAMETER_SUFFIX), EPS4D);
}

TEST(fuel, testWallWettingEnrichmentScheduling) {

	WITH_ENGINE_TEST_HELPER(FORD_ASPIRE_1996);

	setOperationMode(engineConfiguration, FOUR_STROKE_CRANK_SENSOR);
	engineConfiguration->useOnlyRisingEdgeForTrigger = true;

	eth.setTriggerType(TT_ONE PASS_ENGINE_PARAMETER_SUFFIX);


	eth.fireTriggerEvents2(/* count */ 5, 25 /* ms */);
	ASSERT_EQ( 1200,  GET_RPM()) << "RPM";

	int expectedInvocationCounter = 4;
	ASSERT_EQ(expectedInvocationCounter, ENGINE(wallFuel).invocationCounter);

	eth.engine.periodicFastCallback(PASS_ENGINE_PARAMETER_SIGNATURE);
	eth.engine.periodicFastCallback(PASS_ENGINE_PARAMETER_SIGNATURE);
	eth.engine.periodicFastCallback(PASS_ENGINE_PARAMETER_SIGNATURE);

	// still same 4 - wall wetting is NOT invoked from 'periodicFastCallback'
	ASSERT_EQ(expectedInvocationCounter, ENGINE(wallFuel).invocationCounter);
}