87 lines
2.1 KiB
C++
87 lines
2.1 KiB
C++
#include "pch.h"
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#include "knock_logic.h"
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struct MockKnockController : public KnockControllerBase {
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float getKnockThreshold() const override {
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// Knock threshold of 20dBv
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return 20;
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}
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float getMaximumRetard() const override {
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// Maximum 8 degrees retarded
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return 8;
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}
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};
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TEST(Knock, Retards) {
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EngineTestHelper eth(TEST_ENGINE);
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// Aggression of 10%
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engineConfiguration->knockRetardAggression = 10;
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MockKnockController dut;
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dut.onFastCallback();
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// No retard unless we knock
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ASSERT_FLOAT_EQ(dut.getKnockRetard(), 0);
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// Send some weak knocks, should yield no response
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for (size_t i = 0; i < 10; i++) {
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dut.onKnockSenseCompleted(0, 10, 0);
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}
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EXPECT_FLOAT_EQ(dut.getKnockRetard(), 0);
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// Send a strong knock!
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dut.onKnockSenseCompleted(0, 30, 0);
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// Should retard 10% of the distance between current timing and "maximum"
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EXPECT_FLOAT_EQ(dut.getKnockRetard(), 2);
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// Send tons of strong knocks, make sure we don't go over the configured limit
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for (size_t i = 0; i < 100; i++) {
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dut.onKnockSenseCompleted(0, 30, 0);
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}
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EXPECT_FLOAT_EQ(dut.getKnockRetard(), 8);
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}
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TEST(Knock, Reapply) {
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EngineTestHelper eth(TEST_ENGINE);
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MockKnockController dut;
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dut.onFastCallback();
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// Aggression of 10%
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engineConfiguration->knockRetardAggression = 10;
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// Apply 1 degree/second
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engineConfiguration->knockRetardReapplyRate = 1;
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// Send a strong knock!
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dut.onKnockSenseCompleted(0, 30, 0);
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// Should retard 10% of the distance between current timing and "maximum"
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EXPECT_FLOAT_EQ(dut.getKnockRetard(), 2);
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constexpr auto fastPeriodSec = FAST_CALLBACK_PERIOD_MS / 1000.0f;
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// call the fast callback, should reapply 1 degree * callback period
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dut.onFastCallback();
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EXPECT_FLOAT_EQ(dut.getKnockRetard(), 2 - 1.0f * fastPeriodSec);
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// 10 updates total
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for (size_t i = 0; i < 9; i++) {
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dut.onFastCallback();
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}
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EXPECT_FLOAT_EQ(dut.getKnockRetard(), 2 - 10 * 1.0f * fastPeriodSec);
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// Spend a long time without knock
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for (size_t i = 0; i < 1000; i++) {
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dut.onFastCallback();
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}
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// Should have no knock retard
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EXPECT_FLOAT_EQ(dut.getKnockRetard(), 0);
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}
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