| Line | Branch | Decision | Exec | Source |
|---|---|---|---|---|
| 1 | #include "pch.h" | |||
| 2 | ||||
| 3 | 6 | float GetGearRatioFor(float revPerKm, float axle, float kph, float rpm) { | ||
| 4 |
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6 | EngineTestHelper eth(engine_type_e::TEST_ENGINE); | |
| 5 | ||||
| 6 | 6 | engineConfiguration->driveWheelRevPerKm = revPerKm; | ||
| 7 | 6 | engineConfiguration->finalGearRatio = axle; | ||
| 8 | ||||
| 9 |
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6 | Sensor::setMockValue(SensorType::VehicleSpeed, kph); | |
| 10 |
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6 | Sensor::setMockValue(SensorType::Rpm, rpm); | |
| 11 | ||||
| 12 |
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6 | engine->periodicSlowCallback(); | |
| 13 | ||||
| 14 |
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6 | auto& dut = engine->module<GearDetector>().unmock(); | |
| 15 |
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12 | return dut.getGearboxRatio(); | |
| 16 | 6 | } | ||
| 17 | ||||
| 18 | 4 | TEST(GearDetector, ComputeGearRatio) { | ||
| 19 | // real gears from Volvo racecar | |||
| 20 |
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1 | EXPECT_NEAR_M3(3.35f, GetGearRatioFor(507, 4.1, 29.45f / 0.6214f, 5500)); | |
| 21 |
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1 | EXPECT_NEAR_M3(1.99f, GetGearRatioFor(507, 4.1, 49.57f / 0.6214f, 5500)); | |
| 22 |
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1 | EXPECT_NEAR_M3(1.33f, GetGearRatioFor(507, 4.1, 74.18f / 0.6214f, 5500)); | |
| 23 |
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1 | EXPECT_NEAR_M3(1.00f, GetGearRatioFor(507, 4.1, 98.65f / 0.6214f, 5500)); | |
| 24 |
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1 | EXPECT_NEAR_M3(0.72f, GetGearRatioFor(507, 4.1, 137.02f / 0.6214f, 5500)); | |
| 25 | ||||
| 26 | // Idling, car stopped, check no div/0 | |||
| 27 |
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1 | EXPECT_EQ(0, GetGearRatioFor(507, 4.1, 0, 800)); | |
| 28 | 1 | } | ||
| 29 | ||||
| 30 | ||||
| 31 | 4 | TEST(GearDetector, GetRpmInGear) { | ||
| 32 |
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1 | EngineTestHelper eth(engine_type_e::TEST_ENGINE); | |
| 33 | ||||
| 34 | 1 | engineConfiguration->driveWheelRevPerKm = 507; | ||
| 35 | 1 | engineConfiguration->finalGearRatio = 4.10f; | ||
| 36 | ||||
| 37 | // real gears from Volvo racecar | |||
| 38 | 1 | engineConfiguration->totalGearsCount = 5; | ||
| 39 | 1 | engineConfiguration->gearRatio[0] = 3.35f; | ||
| 40 | 1 | engineConfiguration->gearRatio[1] = 1.99f; | ||
| 41 | 1 | engineConfiguration->gearRatio[2] = 1.33f; | ||
| 42 | 1 | engineConfiguration->gearRatio[3] = 1.00f; | ||
| 43 | 1 | engineConfiguration->gearRatio[4] = 0.72f; | ||
| 44 | ||||
| 45 |
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1 | auto& dut = engine->module<GearDetector>().unmock(); | |
| 46 | ||||
| 47 |
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1 | Sensor::setMockValue(SensorType::VehicleSpeed, 29.45f / 0.6214f); | |
| 48 |
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1 | EXPECT_NEAR(5500, dut.getRpmInGear(1), 1); | |
| 49 |
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1 | Sensor::setMockValue(SensorType::VehicleSpeed, 49.57f / 0.6214f); | |
| 50 |
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1 | EXPECT_NEAR(5500, dut.getRpmInGear(2), 1); | |
| 51 |
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1 | Sensor::setMockValue(SensorType::VehicleSpeed, 74.18f / 0.6214f); | |
| 52 |
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1 | EXPECT_NEAR(5500, dut.getRpmInGear(3), 1); | |
| 53 |
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1 | Sensor::setMockValue(SensorType::VehicleSpeed, 98.65f / 0.6214f); | |
| 54 |
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1 | EXPECT_NEAR(5500, dut.getRpmInGear(4), 1); | |
| 55 |
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1 | Sensor::setMockValue(SensorType::VehicleSpeed, 137.02f / 0.6214f); | |
| 56 |
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1 | EXPECT_NEAR(5500, dut.getRpmInGear(5), 1); | |
| 57 | ||||
| 58 | // Test some invalid cases | |||
| 59 |
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1 | EXPECT_FLOAT_EQ(0, dut.getRpmInGear(0)); | |
| 60 |
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1 | EXPECT_FLOAT_EQ(0, dut.getRpmInGear(10)); | |
| 61 | ||||
| 62 | // Zero vehicle speed shouldn't cause a problem | |||
| 63 |
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1 | Sensor::setMockValue(SensorType::VehicleSpeed, 0); | |
| 64 |
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1 | EXPECT_FLOAT_EQ(0, dut.getRpmInGear(0)); | |
| 65 |
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1 | EXPECT_FLOAT_EQ(0, dut.getRpmInGear(1)); | |
| 66 |
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1 | EXPECT_FLOAT_EQ(0, dut.getRpmInGear(5)); | |
| 67 |
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1 | EXPECT_FLOAT_EQ(0, dut.getRpmInGear(10)); | |
| 68 | 2 | } | ||
| 69 | ||||
| 70 | 4 | TEST(GearDetector, DetermineGearSingleSpeed) { | ||
| 71 |
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1 | EngineTestHelper eth(engine_type_e::TEST_ENGINE); | |
| 72 |
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1 | auto& dut = engine->module<GearDetector>().unmock(); | |
| 73 | ||||
| 74 | 1 | engineConfiguration->totalGearsCount = 1; | ||
| 75 | 1 | engineConfiguration->gearRatio[0] = 2; | ||
| 76 | ||||
| 77 |
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1 | dut.onConfigurationChange(nullptr); | |
| 78 | ||||
| 79 | // Super high ratios indicate clutch slip or idling in neutral or something | |||
| 80 |
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1 | EXPECT_EQ(0u, dut.determineGearFromRatio(100)); | |
| 81 |
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1 | EXPECT_EQ(0u, dut.determineGearFromRatio(4)); | |
| 82 | ||||
| 83 | // Check exactly on the gear | |||
| 84 |
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1 | EXPECT_EQ(1u, dut.determineGearFromRatio(2)); | |
| 85 | ||||
| 86 | // Check near the gear | |||
| 87 |
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1 | EXPECT_EQ(1u, dut.determineGearFromRatio(2.1)); | |
| 88 |
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1 | EXPECT_EQ(1u, dut.determineGearFromRatio(1.9)); | |
| 89 | ||||
| 90 | // Extremely low ratio suggests stopped engine at speed? | |||
| 91 |
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1 | EXPECT_EQ(0u, dut.determineGearFromRatio(1.0)); | |
| 92 | 2 | } | ||
| 93 | ||||
| 94 | 4 | TEST(GearDetector, DetermineGear5Speed) { | ||
| 95 |
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1 | EngineTestHelper eth(engine_type_e::TEST_ENGINE); | |
| 96 |
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1 | auto& dut = engine->module<GearDetector>().unmock(); | |
| 97 | ||||
| 98 | 1 | engineConfiguration->totalGearsCount = 5; | ||
| 99 | 1 | engineConfiguration->gearRatio[0] = 3.35; | ||
| 100 | 1 | engineConfiguration->gearRatio[1] = 1.99; | ||
| 101 | 1 | engineConfiguration->gearRatio[2] = 1.33; | ||
| 102 | 1 | engineConfiguration->gearRatio[3] = 1.00; | ||
| 103 | 1 | engineConfiguration->gearRatio[4] = 0.72; | ||
| 104 | ||||
| 105 |
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1 | dut.onConfigurationChange(nullptr); | |
| 106 | ||||
| 107 | // Super high ratios indicate clutch slip or idling in neutral or something | |||
| 108 |
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1 | EXPECT_EQ(0u, dut.determineGearFromRatio(100)); | |
| 109 |
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1 | EXPECT_EQ(0u, dut.determineGearFromRatio(6)); | |
| 110 | ||||
| 111 | // Check exactly on gears | |||
| 112 |
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1 | EXPECT_EQ(1u, dut.determineGearFromRatio(3.35)); | |
| 113 |
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1 | EXPECT_EQ(2u, dut.determineGearFromRatio(1.99)); | |
| 114 |
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1 | EXPECT_EQ(3u, dut.determineGearFromRatio(1.33)); | |
| 115 |
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1 | EXPECT_EQ(4u, dut.determineGearFromRatio(1.00)); | |
| 116 |
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1 | EXPECT_EQ(5u, dut.determineGearFromRatio(0.72)); | |
| 117 | ||||
| 118 | // Check near each gear | |||
| 119 |
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1 | EXPECT_EQ(1u, dut.determineGearFromRatio(3.45)); | |
| 120 |
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1 | EXPECT_EQ(1u, dut.determineGearFromRatio(3.25)); | |
| 121 | ||||
| 122 |
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1 | EXPECT_EQ(2u, dut.determineGearFromRatio(2.2)); | |
| 123 |
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1 | EXPECT_EQ(2u, dut.determineGearFromRatio(1.8)); | |
| 124 | ||||
| 125 |
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1 | EXPECT_EQ(3u, dut.determineGearFromRatio(1.45)); | |
| 126 |
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1 | EXPECT_EQ(3u, dut.determineGearFromRatio(1.25)); | |
| 127 | ||||
| 128 |
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1 | EXPECT_EQ(4u, dut.determineGearFromRatio(1.1)); | |
| 129 |
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1 | EXPECT_EQ(4u, dut.determineGearFromRatio(0.9)); | |
| 130 | ||||
| 131 |
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1 | EXPECT_EQ(5u, dut.determineGearFromRatio(0.8)); | |
| 132 |
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1 | EXPECT_EQ(5u, dut.determineGearFromRatio(0.6)); | |
| 133 | ||||
| 134 | // Extremely low ratio suggests stopped engine at speed? | |||
| 135 |
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1 | EXPECT_EQ(0u, dut.determineGearFromRatio(0.1)); | |
| 136 | 2 | } | ||
| 137 | ||||
| 138 | 4 | TEST(GearDetector, MiataNb6Speed) { | ||
| 139 |
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1 | EngineTestHelper eth(engine_type_e::TEST_ENGINE); | |
| 140 |
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1 | auto& dut = engine->module<GearDetector>().unmock(); | |
| 141 | ||||
| 142 | 1 | engineConfiguration->totalGearsCount = 6; | ||
| 143 | 1 | engineConfiguration->gearRatio[0] = 3.76; | ||
| 144 | 1 | engineConfiguration->gearRatio[1] = 2.27; | ||
| 145 | 1 | engineConfiguration->gearRatio[2] = 1.65; | ||
| 146 | 1 | engineConfiguration->gearRatio[3] = 1.26; | ||
| 147 | 1 | engineConfiguration->gearRatio[4] = 1.00; | ||
| 148 | 1 | engineConfiguration->gearRatio[5] = 0.84; | ||
| 149 | 1 | engineConfiguration->gearRatio[6] = 0.84; | ||
| 150 | 1 | engineConfiguration->gearRatio[7] = 0.84; | ||
| 151 | ||||
| 152 |
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1 | dut.onConfigurationChange(nullptr); | |
| 153 | ||||
| 154 |
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1 | EXPECT_EQ(0u, dut.determineGearFromRatio(5.85)); | |
| 155 |
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1 | EXPECT_EQ(1u, dut.determineGearFromRatio(5.51)); | |
| 156 | ||||
| 157 | // Check exactly on gears | |||
| 158 |
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1 | EXPECT_EQ(1u, dut.determineGearFromRatio(3.76)); | |
| 159 |
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1 | EXPECT_EQ(2u, dut.determineGearFromRatio(2.27)); | |
| 160 |
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1 | EXPECT_EQ(3u, dut.determineGearFromRatio(1.65)); | |
| 161 |
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1 | EXPECT_EQ(4u, dut.determineGearFromRatio(1.26)); | |
| 162 |
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1 | EXPECT_EQ(5u, dut.determineGearFromRatio(1.00)); | |
| 163 |
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1 | EXPECT_EQ(6u, dut.determineGearFromRatio(0.84)); | |
| 164 | 2 | } | ||
| 165 | ||||
| 166 | 4 | TEST(GearDetector, DetermineGear8Speed) { | ||
| 167 |
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1 | EngineTestHelper eth(engine_type_e::TEST_ENGINE); | |
| 168 |
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1 | auto& dut = engine->module<GearDetector>().unmock(); | |
| 169 | ||||
| 170 | // ZF 8HP 70 | |||
| 171 | 1 | engineConfiguration->totalGearsCount = 8; | ||
| 172 | 1 | engineConfiguration->gearRatio[0] = 4.69; | ||
| 173 | 1 | engineConfiguration->gearRatio[1] = 3.13; | ||
| 174 | 1 | engineConfiguration->gearRatio[2] = 2.10; | ||
| 175 | 1 | engineConfiguration->gearRatio[3] = 1.67; | ||
| 176 | 1 | engineConfiguration->gearRatio[4] = 1.28; | ||
| 177 | 1 | engineConfiguration->gearRatio[5] = 1; | ||
| 178 | 1 | engineConfiguration->gearRatio[6] = 0.84; | ||
| 179 | 1 | engineConfiguration->gearRatio[7] = 0.67; | ||
| 180 | ||||
| 181 |
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1 | dut.onConfigurationChange(nullptr); | |
| 182 | ||||
| 183 | // Super high ratios indicate clutch slip or idling in neutral or something | |||
| 184 |
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1 | EXPECT_EQ(0u, dut.determineGearFromRatio(100)); | |
| 185 |
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1 | EXPECT_EQ(0u, dut.determineGearFromRatio(8)); | |
| 186 | ||||
| 187 | // Check exactly on gears - only test the ends, the middle works | |||
| 188 |
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1 | EXPECT_EQ(1u, dut.determineGearFromRatio(4.69)); | |
| 189 |
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1 | EXPECT_EQ(2u, dut.determineGearFromRatio(3.13)); | |
| 190 | ||||
| 191 |
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1 | EXPECT_EQ(7u, dut.determineGearFromRatio(0.84)); | |
| 192 |
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1 | EXPECT_EQ(8u, dut.determineGearFromRatio(0.67)); | |
| 193 | ||||
| 194 | // Check near each gear - only test the ends, the middle works | |||
| 195 |
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1 | EXPECT_EQ(1u, dut.determineGearFromRatio(4.75)); | |
| 196 |
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1 | EXPECT_EQ(1u, dut.determineGearFromRatio(4.3)); | |
| 197 | ||||
| 198 |
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1 | EXPECT_EQ(8u, dut.determineGearFromRatio(0.71)); | |
| 199 |
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1 | EXPECT_EQ(8u, dut.determineGearFromRatio(0.6)); | |
| 200 | ||||
| 201 | // Extremely low ratio suggests stopped engine at speed? | |||
| 202 |
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1 | EXPECT_EQ(0u, dut.determineGearFromRatio(0.1)); | |
| 203 | 2 | } | ||
| 204 | ||||
| 205 | 4 | TEST(GearDetector, ParameterValidation) { | ||
| 206 |
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1 | EngineTestHelper eth(engine_type_e::TEST_ENGINE); | |
| 207 |
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1 | auto& dut = engine->module<GearDetector>().unmock(); | |
| 208 | ||||
| 209 | // Defaults should work | |||
| 210 |
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1 | EXPECT_NO_FATAL_ERROR(dut.onConfigurationChange(nullptr)); | |
| 211 | ||||
| 212 | // Invalid gear count | |||
| 213 | 1 | engineConfiguration->totalGearsCount = 25; | ||
| 214 |
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1 | EXPECT_FATAL_ERROR(dut.onConfigurationChange(nullptr)); | |
| 215 | ||||
| 216 | // Valid gears | |||
| 217 | 1 | engineConfiguration->totalGearsCount = 2; | ||
| 218 | 1 | engineConfiguration->gearRatio[0] = 3; | ||
| 219 | 1 | engineConfiguration->gearRatio[1] = 2; | ||
| 220 |
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1 | EXPECT_NO_FATAL_ERROR(dut.onConfigurationChange(nullptr)); | |
| 221 | ||||
| 222 | // Invalid gear ratio | |||
| 223 | 1 | engineConfiguration->gearRatio[1] = 0; | ||
| 224 |
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1 | EXPECT_FATAL_ERROR(dut.onConfigurationChange(nullptr)); | |
| 225 | ||||
| 226 | // Out of order gear ratios | |||
| 227 | 1 | engineConfiguration->gearRatio[0] = 2; | ||
| 228 | 1 | engineConfiguration->gearRatio[1] = 3; | ||
| 229 |
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1 | EXPECT_FATAL_ERROR(dut.onConfigurationChange(nullptr)); | |
| 230 | ||||
| 231 | // No gears at all is a valid configuration | |||
| 232 | 1 | engineConfiguration->totalGearsCount = 0; | ||
| 233 |
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1 | EXPECT_NO_FATAL_ERROR(dut.onConfigurationChange(nullptr)); | |
| 234 | 2 | } | ||
| 235 |