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326a84445b
modernDimmerPosition indexed dimPositions without a range check in RaLightsSet(), SetLightDimmings() and the off_from_dimmer value of the cab's Python state. An empty DimmerList, or a DefaultPos past the end of a short one, read past the end of the vector; the dimmer commands could also leave or put the position outside the list. Reads go through currentDimPosition(), a plain entry (not off, not dimmed) outside the list. DefaultPos and the position are clamped after the .fiz is loaded, the increase/decrease commands step through stepDimmerPosition(), which clamps and does nothing for an empty list, and headlightsdimenable clamps its position 1.
113 lines
4.3 KiB
C++
113 lines
4.3 KiB
C++
#include "stdafx.h"
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#include "doctest.h"
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#include "vehicle.h"
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using test::definition;
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using test::vehicle;
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// the headlight dimmer's position indexes the DimmerList of the .fiz. a short or an empty list, or a DefaultPos
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// past its end, put the dimmer outside the list, where the lights and the cab read past the end of it
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namespace {
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// rows: high beam, dimmed, off
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nlohmann::ordered_json const plain{"no", "no", "no"};
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nlohmann::ordered_json const dimmed{"no", "yes", "no"};
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nlohmann::ordered_json const off{"no", "no", "yes"};
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definition dimmer_list(nlohmann::ordered_json const &Rows, int const Defaultposition, bool const Cycle = false) {
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return definition::load("cab_vehicle")
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.set("DimmerList", "rows", Rows)
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.set("DimmerList", "Size", static_cast<int>(Rows.size()))
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.set("DimmerList", "DefaultPos", Defaultposition)
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.set("DimmerList", "Cycle", Cycle ? "yes" : "no");
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}
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} // namespace
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TEST_CASE("dimmer: a position outside the list reads as a plain one, neither off nor dimmed") {
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vehicle cab{dimmer_list(nlohmann::ordered_json::array({off, dimmed}), 0)};
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REQUIRE(cab->dimPositions.size() == 2);
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for (auto const position : {-1, 2, 100}) {
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CAPTURE(position);
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cab->modernDimmerPosition = position;
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auto const entry{cab->currentDimPosition()};
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CHECK_FALSE(entry.isOff);
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CHECK_FALSE(entry.isDimmed);
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CHECK_FALSE(entry.isHighBeam);
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}
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cab->modernDimmerPosition = 0;
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CHECK(cab->currentDimPosition().isOff);
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cab->modernDimmerPosition = 1;
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CHECK(cab->currentDimPosition().isDimmed);
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}
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TEST_CASE("dimmer: positions are clamped to the list") {
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vehicle cab{dimmer_list(nlohmann::ordered_json::array({plain, dimmed, off}), 0)};
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CHECK(cab->clampDimmerPosition(-3) == 0);
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CHECK(cab->clampDimmerPosition(1) == 1);
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CHECK(cab->clampDimmerPosition(3) == 2);
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CHECK(cab->clampDimmerPosition(100) == 2);
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}
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TEST_CASE("dimmer: a DefaultPos past the end of the list starts the dimmer at its last position") {
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vehicle cab{dimmer_list(nlohmann::ordered_json::array({plain, dimmed}), 7)};
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CHECK(cab->modernDimmerDefaultPosition == 1);
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// the cab puts the modern dimmer to its default position when it's entered (TTrain::set_cab_controls())
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cab->modernDimmerPosition = cab->modernDimmerDefaultPosition;
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CHECK(cab->currentDimPosition().isDimmed);
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}
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TEST_CASE("dimmer: without the modern dimmer a DefaultPos past the end of the list puts the dimmer at its last position") {
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vehicle cab{dimmer_list(nlohmann::ordered_json::array({plain, dimmed}), 7).set("Switches", "ModernDimmer", "No")};
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REQUIRE_FALSE(cab->enableModernDimmer);
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CHECK(cab->modernDimmerPosition == 1);
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CHECK(cab->currentDimPosition().isDimmed);
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}
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TEST_CASE("dimmer: an empty list leaves the dimmer at 0, reading as a plain position, and it doesn't move") {
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vehicle cab{dimmer_list(nlohmann::ordered_json::array(), 3, true)};
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REQUIRE(cab->dimPositions.empty());
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CHECK(cab->modernDimmerDefaultPosition == 0);
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CHECK(cab->modernDimmerPosition == 0);
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CHECK(cab->clampDimmerPosition(1) == 0);
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CHECK_FALSE(cab->currentDimPosition().isOff);
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CHECK_FALSE(cab->stepDimmerPosition(1));
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CHECK_FALSE(cab->stepDimmerPosition(-1));
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CHECK(cab->modernDimmerPosition == 0);
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}
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TEST_CASE("dimmer: stepping stays within the list") {
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SUBCASE("without cycling it stops at the ends") {
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vehicle cab{dimmer_list(nlohmann::ordered_json::array({plain, dimmed, off}), 0)};
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CHECK_FALSE(cab->stepDimmerPosition(-1));
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CHECK(cab->modernDimmerPosition == 0);
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CHECK(cab->stepDimmerPosition(1));
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CHECK(cab->stepDimmerPosition(1));
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CHECK(cab->modernDimmerPosition == 2);
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CHECK_FALSE(cab->stepDimmerPosition(1));
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CHECK(cab->modernDimmerPosition == 2);
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}
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SUBCASE("with cycling it goes around to the other end") {
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vehicle cab{dimmer_list(nlohmann::ordered_json::array({plain, dimmed, off}), 0, true)};
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CHECK(cab->stepDimmerPosition(-1));
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CHECK(cab->modernDimmerPosition == 2);
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CHECK(cab->stepDimmerPosition(1));
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CHECK(cab->modernDimmerPosition == 0);
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}
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SUBCASE("a position past the end steps from the last one") {
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vehicle cab{dimmer_list(nlohmann::ordered_json::array({plain, dimmed, off}), 0)};
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cab->modernDimmerPosition = 9;
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CHECK(cab->stepDimmerPosition(-1));
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CHECK(cab->modernDimmerPosition == 1);
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cab->modernDimmerPosition = 9;
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CHECK(cab->stepDimmerPosition(1)); // can't go further, but comes back into the list
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CHECK(cab->modernDimmerPosition == 2);
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}
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}
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