acdream/tests/AcDream.Core.Tests/Rendering/Wb/EnvCellGeometryIdentityTests.cs

42 lines
1.2 KiB
C#

using AcDream.Core.Rendering.Wb;
namespace AcDream.Core.Tests.Rendering.Wb;
public sealed class EnvCellGeometryIdentityTests
{
[Fact]
public void Compute_EmptySurfaces_MatchesExtractedWorldBuilderValue()
{
Assert.Equal(
0x2_0000_47D6UL,
EnvCellGeometryIdentity.Compute(0x42, 7, Array.Empty<ushort>()));
}
[Fact]
public void Compute_OrderedSurfaces_MatchesExtractedWorldBuilderValue()
{
Assert.Equal(
0x2_20A7_A46CUL,
EnvCellGeometryIdentity.Compute(0x42, 7, new ushort[] { 1, 2, 3 }));
}
[Fact]
public void Compute_SurfaceOrderIsPartOfIdentity()
{
var forward = EnvCellGeometryIdentity.Compute(1, 1, new ushort[] { 10, 20 });
var reverse = EnvCellGeometryIdentity.Compute(1, 1, new ushort[] { 20, 10 });
Assert.NotEqual(forward, reverse);
}
[Fact]
public void Compute_AlwaysUsesDeduplicatedGeometryNamespace()
{
var id = EnvCellGeometryIdentity.Compute(
uint.MaxValue,
ushort.MaxValue,
new ushort[] { ushort.MaxValue, ushort.MaxValue });
Assert.NotEqual(0UL, id & 0x2_0000_0000UL);
}
}