29 lines
947 B
C++
29 lines
947 B
C++
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#include "pch.h"
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float GetGearRatioFor(float revPerKm, float axle, float kph, float rpm) {
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EngineTestHelper eth(TEST_ENGINE);
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engineConfiguration->driveWheelRevPerKm = revPerKm;
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engineConfiguration->finalGearRatio = axle;
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Sensor::setMockValue(SensorType::VehicleSpeed, kph);
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Sensor::setMockValue(SensorType::Rpm, rpm);
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GearDetector dut;
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dut.onSlowCallback();
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return dut.getGearboxRatio();
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}
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TEST(GearDetector, ComputeGearRatio) {
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// real gears from Volvo racecar
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EXPECT_NEAR_M3(3.35f, GetGearRatioFor(507, 4.1, 29.45f / 0.6214f, 5500));
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EXPECT_NEAR_M3(1.99f, GetGearRatioFor(507, 4.1, 49.57f / 0.6214f, 5500));
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EXPECT_NEAR_M3(1.33f, GetGearRatioFor(507, 4.1, 74.18f / 0.6214f, 5500));
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EXPECT_NEAR_M3(1.00f, GetGearRatioFor(507, 4.1, 98.65f / 0.6214f, 5500));
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EXPECT_NEAR_M3(0.72f, GetGearRatioFor(507, 4.1, 137.02f / 0.6214f, 5500));
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// Idling, car stopped, check no div/0
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EXPECT_EQ(0, GetGearRatioFor(507, 4.1, 0, 800));
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}
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