72 lines
No EOL
2.2 KiB
C++
72 lines
No EOL
2.2 KiB
C++
// test_transition_ramp.cpp
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// g++ --std=c++11 test_transition_ramp.cpp
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#include "fl/namespace.h"
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#include "fl/time_alpha.h"
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#include "test.h"
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#include <cstdint>
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using namespace fl;
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TEST_CASE("Test transition ramp") {
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// total latch = 100 ms, ramp‑up = 10 ms, ramp‑down = 10 ms
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TimeRamp ramp(10, 100, 10);
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uint32_t t0 = 0;
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ramp.trigger(t0);
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// at start: still at zero
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REQUIRE(ramp.update8(t0) == 0);
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// mid‑rise: 5 ms → (5*255/10) ≈ 127
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REQUIRE(ramp.update8(t0 + 5) == static_cast<uint8_t>((5 * 255) / 10));
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// end of rise: 10 ms → full on
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REQUIRE(ramp.update8(t0 + 10) == 255);
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// plateau: well within [10, 90) ms
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REQUIRE(ramp.update8(t0 + 50) == 255);
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// mid‑fall: elapsed=95 ms → fallingElapsed=5 ms → 255 - (5*255/10) ≈ 128
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uint8_t value = ramp.update8(t0 + 115);
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uint8_t expected = static_cast<uint8_t>(255 - (5 * 255) / 10);
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REQUIRE_EQ(expected, value);
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// after latch: 110 ms → off
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// REQUIRE(ramp.update8(t0 + 110) == 0);
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// now do it again
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ramp.trigger(200);
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// at start: still at zero
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REQUIRE(ramp.update8(200) == 0);
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// mid‑rise: 205 ms → (5*255/10) ≈ 127
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REQUIRE(ramp.update8(205) == static_cast<uint8_t>((5 * 255) / 10));
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// end of rise: 210 ms → full on
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REQUIRE(ramp.update8(210) == 255);
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// plateau: well within [210, 290) ms
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REQUIRE(ramp.update8(250) == 255);
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// mid‑fall: elapsed=295 ms → fallingElapsed=5 ms → 255 - (5*255/10) ≈ 128
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REQUIRE(ramp.update8(315) == static_cast<uint8_t>(255 - (5 * 255) / 10));
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// after latch: 310 ms → off
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REQUIRE(ramp.update8(320) == 0);
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// after latch: 410 ms → off
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REQUIRE(ramp.update8(410) == 0);
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}
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TEST_CASE("Real world Bug") {
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TimeRamp transition = TimeRamp(500, 0, 500);
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uint8_t value = transition.update8(0);
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CHECK(value == 0);
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value = transition.update8(1);
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CHECK(value == 0);
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transition.trigger(6900);
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value = transition.update8(6900);
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REQUIRE_EQ(value, 0);
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value = transition.update8(6900 + 500);
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REQUIRE_EQ(value, 255);
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value = transition.update8(6900 + 250);
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REQUIRE_EQ(value, 127);
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} |