mirror of https://github.com/rusefi/rusefi-1.git
97 lines
2.7 KiB
C++
97 lines
2.7 KiB
C++
/*
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* @file test_fuel_wall_wetting.cpp
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*
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* See also test_accel_enrichment.cpp
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*
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* @date Oct 16, 2019
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* @author Andrey Belomutskiy, (c) 2012-2020
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*/
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#include "pch.h"
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struct MockWallController : public IWallFuelController {
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MOCK_METHOD(bool, getEnable, (), (const, override));
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MOCK_METHOD(float, getAlpha, (), (const, override));
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MOCK_METHOD(float, getBeta, (), (const, override));
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};
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TEST(fuel, testWallWettingEnrichmentMath) {
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EngineTestHelper eth(FORD_ASPIRE_1996);
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MockWallController wallController;
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// WW is enabled!
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EXPECT_CALL(wallController, getEnable()).WillRepeatedly(Return(true));
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// 1/2 of fuel remains on walls
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EXPECT_CALL(wallController, getAlpha()).WillRepeatedly(Return(0.5f));
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// 1/4 of fuel is lands on walls
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EXPECT_CALL(wallController, getBeta()).WillRepeatedly(Return(0.25f));
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// install our mock in to the engine
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engine->engineModules.get<WallFuelController>().set(&wallController);
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WallFuel wallFuel;
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// each invocation of 'adjust' changes WallWetting internal state
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EXPECT_NEAR(1.3333, wallFuel.adjust(1), EPS4D);
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EXPECT_NEAR(1.1111, wallFuel.adjust(1), EPS4D);
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EXPECT_NEAR(1.0370, wallFuel.adjust(1), EPS4D);
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EXPECT_NEAR(1.0123, wallFuel.adjust(1), EPS4D);
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// get to steady state
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for (size_t i = 0; i < 50; i++) {
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wallFuel.adjust(1);
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}
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EXPECT_NEAR(1, wallFuel.adjust(1), EPS4D);
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// now run half the fuel
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EXPECT_NEAR(0.3333, wallFuel.adjust(0.5), EPS4D);
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EXPECT_NEAR(0.4444, wallFuel.adjust(0.5), EPS4D);
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EXPECT_NEAR(0.4815, wallFuel.adjust(0.5), EPS4D);
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EXPECT_NEAR(0.4938, wallFuel.adjust(0.5), EPS4D);
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for (size_t i = 0; i < 50; i++) {
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wallFuel.adjust(0.5);
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}
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EXPECT_NEAR(0.5, wallFuel.adjust(0.5), EPS4D);
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}
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TEST(fuel, testWallWettingEnrichmentScheduling) {
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EngineTestHelper eth(FORD_ASPIRE_1996);
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setCrankOperationMode();
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engineConfiguration->useOnlyRisingEdgeForTrigger = true;
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eth.setTriggerType(TT_ONE);
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eth.fireTriggerEvents2(/* count */ 4, 25 /* ms */);
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ASSERT_EQ( 1200, Sensor::getOrZero(SensorType::Rpm)) << "RPM";
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int expectedInvocationCounter = 1;
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for (int i = 0; i < 4; i++) {
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ASSERT_EQ(expectedInvocationCounter, engine->injectionEvents.elements[i].wallFuel.invocationCounter);
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}
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// Cylinder 5 doesn't exist - shouldn't have been called!
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ASSERT_EQ(0, engine->injectionEvents.elements[5].wallFuel.invocationCounter);
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eth.engine.periodicFastCallback();
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eth.engine.periodicFastCallback();
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eth.engine.periodicFastCallback();
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// still same 1 per cylinder - wall wetting is NOT invoked from 'periodicFastCallback'
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for (int i = 0; i < 4; i++) {
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ASSERT_EQ(expectedInvocationCounter, engine->injectionEvents.elements[i].wallFuel.invocationCounter);
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}
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// Cylinder 5 doesn't exist - shouldn't have been called!
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ASSERT_EQ(0, engine->injectionEvents.elements[5].wallFuel.invocationCounter);
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}
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