62 lines
2.0 KiB
C#
62 lines
2.0 KiB
C#
using TheLivingWorld.Core.Simulation;
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namespace TheLivingWorld.Tests;
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public sealed class GameTimeTests
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{
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[Fact]
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public void Advance_at_x1_adds_five_game_minutes_per_real_second()
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{
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var start = GameTime.DefaultStart;
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var next = GameTime.Advance(start, TimeSpan.FromSeconds(1), timeScale: 1, paused: false);
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Assert.Equal(start.AddMinutes(5), next);
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}
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[Fact]
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public void Advance_scales_with_time_scale()
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{
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var start = GameTime.DefaultStart;
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Assert.Equal(start.AddMinutes(10), GameTime.Advance(start, TimeSpan.FromSeconds(1), 2, false));
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Assert.Equal(start.AddMinutes(20), GameTime.Advance(start, TimeSpan.FromSeconds(1), 4, false));
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}
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[Fact]
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public void Advance_does_nothing_when_paused_or_non_positive()
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{
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var start = GameTime.DefaultStart;
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Assert.Equal(start, GameTime.Advance(start, TimeSpan.FromSeconds(10), 4, paused: true));
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Assert.Equal(start, GameTime.Advance(start, TimeSpan.Zero, 1, paused: false));
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Assert.Equal(start, GameTime.Advance(start, TimeSpan.FromSeconds(-1), 1, paused: false));
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}
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[Fact]
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public void Advance_handles_a_large_wall_clock_gap()
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{
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var start = GameTime.DefaultStart;
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// One real hour at x1 → 5 * 3600 = 18_000 game minutes = 12.5 game days.
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var next = GameTime.Advance(start, TimeSpan.FromHours(1), timeScale: 1, paused: false);
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Assert.Equal(start.AddMinutes(5 * 3600), next);
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Assert.Equal(new DateTime(2012, 4, 24, 18, 0, 0, DateTimeKind.Unspecified), next);
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}
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[Fact]
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public void DefaultStart_is_morning_of_12_April_2012()
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{
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Assert.Equal(new DateTime(2012, 4, 12, 6, 0, 0, DateTimeKind.Unspecified), GameTime.DefaultStart);
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}
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[Theory]
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[InlineData(1, true)]
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[InlineData(4, true)]
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[InlineData(0, false)]
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[InlineData(5, false)]
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public void IsValidTimeScale_accepts_1_through_4(int scale, bool expected)
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{
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Assert.Equal(expected, GameTime.IsValidTimeScale(scale));
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}
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}
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