mirror of https://github.com/rusefi/rusefi.git
54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
#include "pch.h"
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#include "error_accumulator.h"
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TEST(errorAccumulator, ignoreSmallError) {
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ErrorAccumulator dut;
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dut.init(5, 0.01);
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for (size_t i = 0; i < 1'000'000; i++) {
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// An error just below the threshold should never trip
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ASSERT_EQ(0, dut.accumulate(4));
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}
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}
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TEST(errorAccumulator, integrateError) {
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ErrorAccumulator dut;
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dut.init(5, 0.01);
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for (size_t i = 0; i < 100; i++) {
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// error of 1 over the ignore value
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dut.accumulate(6);
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}
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// Integral should be 1 * dt * 100 = 1.0
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ASSERT_NEAR(dut.getAccumulator(), 1, 0.001f);
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}
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TEST(errorAccumulator, integrateNegativeError) {
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ErrorAccumulator dut;
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dut.init(5, 0.01);
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for (size_t i = 0; i < 100; i++) {
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// error of 1 over the ignore value, but negative
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dut.accumulate(-6);
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}
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// Integral should be 1 * dt * 100 = 1.0
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ASSERT_NEAR(dut.getAccumulator(), 1, 0.001f);
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}
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TEST(errorAccumulator, integrateErrorBothSigns) {
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ErrorAccumulator dut;
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dut.init(5, 0.01);
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for (size_t i = 0; i < 100; i++) {
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// These should collectively integrate 1 * dt worth of error
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dut.accumulate(-5.5);
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dut.accumulate(5.5);
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}
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// Integral should be 2 * 0.5 * dt * 100 = 1.0
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ASSERT_NEAR(dut.getAccumulator(), 1, 0.001f);
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}
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