| Line | Branch | Decision | Exec | Source |
|---|---|---|---|---|
| 1 | #include "pch.h" | |||
| 2 | ||||
| 3 | // sneaky... | |||
| 4 | #define protected public | |||
| 5 | #include "fuel_computer.h" | |||
| 6 | ||||
| 7 | using ::testing::FloatEq; | |||
| 8 | ||||
| 9 | class MockFuelComputer : public FuelComputerBase { | |||
| 10 | public: | |||
| 11 | 2 | MOCK_METHOD(float, getStoichiometricRatio, (), (const, override)); | ||
| 12 |
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2 | MOCK_METHOD(float, getTargetLambda, (float rpm, float load), (const, override)); | |
| 13 |
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2 | MOCK_METHOD(float, getTargetLambdaLoadAxis, (float defaultLoad), (const, override)); | |
| 14 | }; | |||
| 15 | ||||
| 16 | 4 | TEST(FuelComputer, getCycleFuel) { | ||
| 17 |
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1 | EngineTestHelper eth(engine_type_e::TEST_ENGINE); | |
| 18 | ||||
| 19 |
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1 | MockFuelComputer dut; | |
| 20 | ||||
| 21 |
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3 | EXPECT_CALL(dut, getTargetLambdaLoadAxis(FloatEq(0.8f))) | |
| 22 |
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3 | .WillOnce(Return(0.8f)); | |
| 23 |
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3 | EXPECT_CALL(dut, getStoichiometricRatio()) | |
| 24 |
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3 | .WillOnce(Return(3.0f)); | |
| 25 |
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3 | EXPECT_CALL(dut, getTargetLambda(1000, FloatEq(0.8f))) | |
| 26 |
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3 | .WillOnce(Return(5.0f)); | |
| 27 | ||||
| 28 |
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1 | auto result = dut.getCycleFuel(7.0f, 1000, 0.8f); | |
| 29 |
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1 | EXPECT_FLOAT_EQ(result, 7.0f / (5 * 3)); | |
| 30 | 2 | } | ||
| 31 | ||||
| 32 | 4 | TEST(FuelComputer, FlexFuel) { | ||
| 33 |
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1 | EngineTestHelper eth(engine_type_e::TEST_ENGINE); | |
| 34 | ||||
| 35 | 1 | FuelComputer dut; | ||
| 36 | ||||
| 37 | // easier values for testing | |||
| 38 | 1 | engineConfiguration->stoichRatioPrimary = 15; | ||
| 39 | 1 | engineConfiguration->stoichRatioSecondary = 10; | ||
| 40 | ||||
| 41 | // No sensor -> returns primary | |||
| 42 |
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1 | Sensor::resetMockValue(SensorType::FuelEthanolPercent); | |
| 43 |
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1 | EXPECT_FLOAT_EQ(15.0f, dut.getStoichiometricRatio()); | |
| 44 | ||||
| 45 | // E0 -> primary afr | |||
| 46 |
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1 | Sensor::setMockValue(SensorType::FuelEthanolPercent, 0); | |
| 47 |
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1 | EXPECT_FLOAT_EQ(15.0f, dut.getStoichiometricRatio()); | |
| 48 | ||||
| 49 | // E50 -> half way between | |||
| 50 |
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1 | Sensor::setMockValue(SensorType::FuelEthanolPercent, 50); | |
| 51 |
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1 | EXPECT_FLOAT_EQ(12.5f, dut.getStoichiometricRatio()); | |
| 52 | ||||
| 53 | // E100 -> secondary afr | |||
| 54 |
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1 | Sensor::setMockValue(SensorType::FuelEthanolPercent, 100); | |
| 55 |
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1 | EXPECT_FLOAT_EQ(10.0f, dut.getStoichiometricRatio()); | |
| 56 | ||||
| 57 | // E(-10) -> clamp to primary | |||
| 58 |
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1 | Sensor::setMockValue(SensorType::FuelEthanolPercent, -10); | |
| 59 |
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1 | EXPECT_FLOAT_EQ(15.0f, dut.getStoichiometricRatio()); | |
| 60 | ||||
| 61 | // E110 -> clamp to secondary | |||
| 62 |
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1 | Sensor::setMockValue(SensorType::FuelEthanolPercent, 110); | |
| 63 |
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1 | EXPECT_FLOAT_EQ(10.0f, dut.getStoichiometricRatio()); | |
| 64 | 2 | } | ||
| 65 |