111 lines
3.0 KiB
C++
111 lines
3.0 KiB
C++
#include "testHarness.h"
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#include "vf/TimeOfDay.h"
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using namespace vf;
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VF_TEST(dayFractionAndCountTrackAbsoluteTick) {
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TimeOfDay clock;
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CHECK_EQ(clock.dayCount(), static_cast<WorldTick>(0));
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CHECK_NEAR(clock.dayFraction(), 0.0, 1e-9);
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clock.setTick(12000);
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CHECK_NEAR(clock.dayFraction(), 0.5, 1e-9);
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CHECK_EQ(clock.timeOfDayTicks(), static_cast<WorldTick>(12000));
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clock.setTick(24000 * 3 + 6000);
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CHECK_EQ(clock.dayCount(), static_cast<WorldTick>(3));
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CHECK_NEAR(clock.dayFraction(), 0.25, 1e-9);
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}
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VF_TEST(phasesMapToClockPositions) {
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TimeOfDay clock;
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clock.setTick(0);
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CHECK(clock.phase() == DayPhase::Night);
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clock.setTick(6000);
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CHECK(clock.phase() == DayPhase::Dawn);
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clock.setTick(12000);
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CHECK(clock.phase() == DayPhase::Day);
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clock.setTick(18000);
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CHECK(clock.phase() == DayPhase::Dusk);
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clock.setTick(21600);
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CHECK(clock.phase() == DayPhase::Night);
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}
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VF_TEST(skyLightPeaksAtNoonAndBottomsAtMidnight) {
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TimeOfDay clock;
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clock.setTick(12000);
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CHECK_EQ(clock.skyLightLevel(), 15);
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clock.setTick(0);
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CHECK_EQ(clock.skyLightLevel(), 4);
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clock.setTick(6000);
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int dawnLevel = clock.skyLightLevel();
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CHECK(dawnLevel > 4);
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CHECK(dawnLevel < 15);
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}
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VF_TEST(skyLightRisesMonotonicallyThroughDawn) {
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TimeOfDay clock;
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int previous = -1;
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for (WorldTick t = 4800; t <= 7200; t += 200) {
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clock.setTick(t);
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int level = clock.skyLightLevel();
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CHECK(level >= previous);
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previous = level;
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}
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clock.setTick(4800);
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CHECK_EQ(clock.skyLightLevel(), 4);
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clock.setTick(7200);
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CHECK_EQ(clock.skyLightLevel(), 15);
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}
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VF_TEST(sunHeightPositiveByDayNegativeByNight) {
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TimeOfDay clock;
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clock.setTick(12000);
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CHECK(clock.sunHeight() > 0.99);
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clock.setTick(0);
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CHECK(clock.sunHeight() < -0.99);
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}
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VF_TEST(moonPhaseAdvancesOncePerDayAndWraps) {
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TimeOfDay clock;
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clock.setTick(0);
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CHECK_EQ(clock.moonPhase(), 0);
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clock.setTick(24000);
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CHECK_EQ(clock.moonPhase(), 1);
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clock.setTick(24000 * 7);
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CHECK_EQ(clock.moonPhase(), 7);
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clock.setTick(24000 * 8);
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CHECK_EQ(clock.moonPhase(), 0);
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}
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VF_TEST(sunriseCrossingDetectedExactlyOnce) {
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TimeOfDay clock(0);
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clock.advance(5999);
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CHECK(!clock.crossedSunrise());
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clock.advance(1);
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CHECK(clock.crossedSunrise());
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CHECK(!clock.crossedSunset());
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clock.advance(1);
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CHECK(!clock.crossedSunrise());
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}
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VF_TEST(sunsetCrossingDetectedAcrossInterval) {
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TimeOfDay clock(6000);
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clock.advance(12000);
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CHECK(clock.crossedSunset());
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CHECK(!clock.crossedSunrise());
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CHECK_EQ(clock.absoluteTick(), static_cast<WorldTick>(18000));
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}
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VF_TEST(advanceAccumulatesDaysDeterministically) {
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TimeOfDay a(0);
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for (int i = 0; i < 240; ++i) a.advance(100);
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TimeOfDay b(0);
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b.advance(24000);
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CHECK_EQ(a.absoluteTick(), b.absoluteTick());
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CHECK_EQ(a.dayCount(), b.dayCount());
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CHECK_NEAR(a.dayFraction(), b.dayFraction(), 1e-9);
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}
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