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40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
#include "stdafx.h"
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#include "doctest.h"
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#include "vehicle/horn.h"
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// the horn keys of the cab: low tone (A) and high tone (shift+A), held to sound
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TEST_CASE("horn: a single lever for both tones sounds one tone at a time (eu07/maszyna#392)") {
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auto signal{0};
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signal = horn::pressed(signal, horn::low, true);
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REQUIRE(signal == horn::low);
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// the lever moved over to the high tone while the low tone key is still held
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signal = horn::pressed(signal, horn::high, true);
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CHECK(signal == horn::high);
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// letting go of the low tone key leaves the high tone sounding
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signal = horn::released(signal, horn::low);
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CHECK(signal == horn::high);
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signal = horn::released(signal, horn::high);
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CHECK(signal == 0);
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}
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TEST_CASE("horn: separate buttons for the tones can sound both at once") {
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auto signal{0};
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signal = horn::pressed(signal, horn::low, false);
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signal = horn::pressed(signal, horn::high, false);
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CHECK(signal == (horn::low | horn::high));
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signal = horn::released(signal, horn::low);
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CHECK(signal == horn::high);
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}
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TEST_CASE("horn: releasing a tone leaves the other bits of the signal alone") {
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auto const third{4}; // the third horn, operated separately
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CHECK(horn::released(horn::low | third, horn::low) == third);
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CHECK(horn::pressed(third, horn::high, true) == (horn::high | third));
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}
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