[Test] public void RentAndClear()
{
VertexBatchStore memory = new VertexBatchStore();
// Repeatedly rent slices of varying types from memory
{
VertexSlice <VertexC1P3> slice = memory.Rent <VertexC1P3>(4);
slice[0] = new VertexC1P3 {
Color = new ColorRgba(0)
};
slice[1] = new VertexC1P3 {
Color = new ColorRgba(1)
};
slice[2] = new VertexC1P3 {
Color = new ColorRgba(2)
};
slice[3] = new VertexC1P3 {
Color = new ColorRgba(3)
};
}
{
VertexSlice <VertexC1P3T2> slice = memory.Rent <VertexC1P3T2>(3);
slice[0] = new VertexC1P3T2 {
Color = new ColorRgba(4)
};
slice[1] = new VertexC1P3T2 {
Color = new ColorRgba(5)
};
slice[2] = new VertexC1P3T2 {
Color = new ColorRgba(6)
};
}
{
VertexSlice <VertexC1P3> slice = memory.Rent <VertexC1P3>(2);
slice[0] = new VertexC1P3 {
Color = new ColorRgba(7)
};
slice[1] = new VertexC1P3 {
Color = new ColorRgba(8)
};
}
{
VertexSlice <VertexC1P3> slice = memory.Rent <VertexC1P3>(1);
slice[0] = new VertexC1P3 {
Color = new ColorRgba(9)
};
}
// Assert correct storage property values
Assert.AreEqual(
1 + Math.Max(
VertexDeclaration.Get <VertexC1P3>().TypeIndex,
VertexDeclaration.Get <VertexC1P3T2>().TypeIndex),
memory.TypeIndexCount);
Assert.AreEqual(1, memory.GetBatchCount <VertexC1P3>());
Assert.AreEqual(1, memory.GetBatchCount <VertexC1P3T2>());
// Retrieve specific internal vertex arrays
VertexBatch <VertexC1P3> batchA = memory.GetBatch <VertexC1P3>(0);
VertexBatch <VertexC1P3T2> batchB = memory.GetBatch <VertexC1P3T2>(0);
RawList <VertexC1P3> verticesA = batchA.Vertices;
RawList <VertexC1P3T2> verticesB = batchB.Vertices;
// Assert that they contain all the data we submitted in the correct order
Assert.AreEqual(7, batchA.Count);
Assert.AreEqual(3, batchB.Count);
Assert.AreEqual(7, verticesA.Count);
Assert.AreEqual(3, verticesB.Count);
Assert.AreEqual(new ColorRgba(0), verticesA[0].Color);
Assert.AreEqual(new ColorRgba(1), verticesA[1].Color);
Assert.AreEqual(new ColorRgba(2), verticesA[2].Color);
Assert.AreEqual(new ColorRgba(3), verticesA[3].Color);
Assert.AreEqual(new ColorRgba(4), verticesB[0].Color);
Assert.AreEqual(new ColorRgba(5), verticesB[1].Color);
Assert.AreEqual(new ColorRgba(6), verticesB[2].Color);
Assert.AreEqual(new ColorRgba(7), verticesA[4].Color);
Assert.AreEqual(new ColorRgba(8), verticesA[5].Color);
Assert.AreEqual(new ColorRgba(9), verticesA[6].Color);
// Clear all vertices
memory.Clear();
// Assert correct storage property values
Assert.AreEqual(0, memory.TypeIndexCount);
Assert.AreEqual(0, memory.GetBatchCount <VertexC1P3>());
Assert.AreEqual(0, memory.GetBatchCount <VertexC1P3T2>());
// Assert that the vertices are gone, but capacity isn't
Assert.AreEqual(0, batchA.Count);
Assert.AreEqual(0, batchB.Count);
Assert.AreEqual(0, verticesA.Count);
Assert.AreEqual(0, verticesB.Count);
Assert.GreaterOrEqual(verticesA.Capacity, 7);
Assert.GreaterOrEqual(verticesB.Capacity, 3);
}
[Test] public void MaxBatchSize()
{
VertexBatchStore memory = new VertexBatchStore(4);
// Rent a few memory slices, but stay below the max batch size
{
VertexSlice <VertexC1P3> slice = memory.Rent <VertexC1P3>(2);
slice[0] = new VertexC1P3 {
Color = new ColorRgba(0)
};
slice[1] = new VertexC1P3 {
Color = new ColorRgba(1)
};
}
{
VertexSlice <VertexC1P3> slice = memory.Rent <VertexC1P3>(1);
slice[0] = new VertexC1P3 {
Color = new ColorRgba(2)
};
}
// Assert that we only have one batch, with the correct contents
Assert.AreEqual(1, memory.GetBatchCount <VertexC1P3>());
Assert.AreEqual(0, memory.GetBatchCount <VertexC1P3T2>());
VertexBatch <VertexC1P3> batchA = memory.GetBatch <VertexC1P3>(0);
RawList <VertexC1P3> verticesA = batchA.Vertices;
Assert.AreEqual(3, batchA.Count);
Assert.AreEqual(new ColorRgba(0), verticesA[0].Color);
Assert.AreEqual(new ColorRgba(1), verticesA[1].Color);
Assert.AreEqual(new ColorRgba(2), verticesA[2].Color);
// Rent a few more slices, this time exceeding max batch size
{
VertexSlice <VertexC1P3> slice = memory.Rent <VertexC1P3>(2);
slice[0] = new VertexC1P3 {
Color = new ColorRgba(3)
};
slice[1] = new VertexC1P3 {
Color = new ColorRgba(4)
};
}
{
VertexSlice <VertexC1P3> slice = memory.Rent <VertexC1P3>(2);
slice[0] = new VertexC1P3 {
Color = new ColorRgba(5)
};
slice[1] = new VertexC1P3 {
Color = new ColorRgba(6)
};
}
// Assert that we now have two batches, each with the correct contents
Assert.AreEqual(2, memory.GetBatchCount <VertexC1P3>());
Assert.AreEqual(0, memory.GetBatchCount <VertexC1P3T2>());
VertexBatch <VertexC1P3> batchB = memory.GetBatch <VertexC1P3>(1);
RawList <VertexC1P3> verticesB = batchB.Vertices;
Assert.AreEqual(3, batchA.Count);
Assert.AreEqual(new ColorRgba(0), verticesA[0].Color);
Assert.AreEqual(new ColorRgba(1), verticesA[1].Color);
Assert.AreEqual(new ColorRgba(2), verticesA[2].Color);
Assert.AreEqual(4, batchB.Count);
Assert.AreEqual(new ColorRgba(3), verticesB[0].Color);
Assert.AreEqual(new ColorRgba(4), verticesB[1].Color);
Assert.AreEqual(new ColorRgba(5), verticesB[2].Color);
Assert.AreEqual(new ColorRgba(6), verticesB[3].Color);
// Clear all vertices
memory.Clear();
// Assert that the vertices are gone, but capacity isn't
Assert.AreEqual(0, memory.GetBatchCount <VertexC1P3>());
Assert.AreEqual(0, memory.GetBatchCount <VertexC1P3T2>());
Assert.AreEqual(0, batchA.Count);
Assert.AreEqual(0, batchB.Count);
Assert.AreEqual(0, verticesA.Count);
Assert.AreEqual(0, verticesB.Count);
Assert.GreaterOrEqual(verticesA.Capacity, 3);
Assert.GreaterOrEqual(verticesB.Capacity, 4);
// Rent some vertices again
memory.Rent <VertexC1P3>(3);
memory.Rent <VertexC1P3>(4);
// Assert that the same storage is re-used
Assert.AreEqual(2, memory.GetBatchCount <VertexC1P3>());
Assert.AreEqual(0, memory.GetBatchCount <VertexC1P3T2>());
Assert.AreEqual(3, batchA.Count);
Assert.AreEqual(4, batchB.Count);
Assert.AreEqual(3, verticesA.Count);
Assert.AreEqual(4, verticesB.Count);
// Assert that we're getting an exception when attempting to rent a slice that is too large
Assert.Throws <ArgumentException>(() => memory.Rent <VertexC1P3>(5));
}