78 lines
2.5 KiB
C#
78 lines
2.5 KiB
C#
using TheLivingWorld.Core.Simulation;
|
|
|
|
namespace TheLivingWorld.Tests;
|
|
|
|
public sealed class GameTimeTests
|
|
{
|
|
[Fact]
|
|
public void Advance_at_x1_adds_five_game_minutes_per_real_second()
|
|
{
|
|
var start = GameTime.DefaultStart;
|
|
var next = GameTime.Advance(start, TimeSpan.FromSeconds(1), timeScale: 1, paused: false);
|
|
|
|
Assert.Equal(start.AddMinutes(5), next);
|
|
}
|
|
|
|
[Fact]
|
|
public void Advance_scales_with_time_scale()
|
|
{
|
|
var start = GameTime.DefaultStart;
|
|
|
|
Assert.Equal(start.AddMinutes(10), GameTime.Advance(start, TimeSpan.FromSeconds(1), 2, false));
|
|
Assert.Equal(start.AddMinutes(20), GameTime.Advance(start, TimeSpan.FromSeconds(1), 4, false));
|
|
}
|
|
|
|
[Fact]
|
|
public void Advance_does_nothing_when_paused_or_non_positive()
|
|
{
|
|
var start = GameTime.DefaultStart;
|
|
|
|
Assert.Equal(start, GameTime.Advance(start, TimeSpan.FromSeconds(10), 4, paused: true));
|
|
Assert.Equal(start, GameTime.Advance(start, TimeSpan.Zero, 1, paused: false));
|
|
Assert.Equal(start, GameTime.Advance(start, TimeSpan.FromSeconds(-1), 1, paused: false));
|
|
}
|
|
|
|
[Fact]
|
|
public void Advance_handles_a_large_wall_clock_gap()
|
|
{
|
|
var start = GameTime.DefaultStart;
|
|
// One real hour at x1 → 5 * 3600 = 18_000 game minutes = 12.5 game days.
|
|
var next = GameTime.Advance(start, TimeSpan.FromHours(1), timeScale: 1, paused: false);
|
|
|
|
Assert.Equal(start.AddMinutes(5 * 3600), next);
|
|
Assert.Equal(new DateTime(2012, 4, 24, 18, 0, 0, DateTimeKind.Unspecified), next);
|
|
}
|
|
|
|
[Fact]
|
|
public void DefaultStart_is_morning_of_12_April_2012()
|
|
{
|
|
Assert.Equal(new DateTime(2012, 4, 12, 6, 0, 0, DateTimeKind.Unspecified), GameTime.DefaultStart);
|
|
}
|
|
|
|
[Theory]
|
|
[InlineData(1, true)]
|
|
[InlineData(4, true)]
|
|
[InlineData(0, false)]
|
|
[InlineData(5, false)]
|
|
public void IsValidTimeScale_accepts_1_through_4(int scale, bool expected)
|
|
{
|
|
Assert.Equal(expected, GameTime.IsValidTimeScale(scale));
|
|
}
|
|
|
|
[Fact]
|
|
public void ResolveStart_defaults_and_normalises()
|
|
{
|
|
Assert.Equal(GameTime.DefaultStart, GameTime.ResolveStart(null));
|
|
Assert.Equal(
|
|
new DateTime(1999, 12, 31, 23, 45, 0, DateTimeKind.Unspecified),
|
|
GameTime.ResolveStart(new DateTime(1999, 12, 31, 23, 45, 59, DateTimeKind.Utc)));
|
|
}
|
|
|
|
[Fact]
|
|
public void ResolveStart_rejects_out_of_range_years()
|
|
{
|
|
Assert.Throws<ArgumentOutOfRangeException>(() =>
|
|
GameTime.ResolveStart(new DateTime(10000, 1, 1)));
|
|
}
|
|
}
|