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namespace SomhairlesDream.Shared.Tests
open Xunit
open SomhairlesDream.Shared
module ReplayTests =
[<Fact>]
let ``reconstruction contains three visibly different geometry frames`` () =
let frames = Replay.frames ()
Assert.Equal(3, frames.Length)
Assert.True([| 1; 2; 3 |] = (frames |> Array.map (fun frame -> frame.Version)))
Assert.Equal("重建起点", frames[0].Label)
Assert.Equal("主承力骨架", frames[1].Label)
Assert.Equal("舱段重构", frames[2].Label)
Assert.False(frames[0].Mesh.Vertices = frames[1].Mesh.Vertices)
Assert.False(frames[1].Mesh.Vertices = frames[2].Mesh.Vertices)
[<Fact>]
let ``mesh snapshots expose indexed triangle buffers`` () =
let mesh = (Replay.frames ()).[2].Mesh
let positions = MeshData.positionData mesh
let indices = MeshData.triangleIndices mesh
Assert.Equal(mesh.Vertices.Length * 3, positions.Length)
Assert.Equal(45, indices.Length)
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