749e8ceeb1
Separate logical ownership, render publication, and GPU retirement across live entities, landblocks, particles, textures, mesh arenas, portal/UI teardown, and per-frame scratch storage. Add bounded DAT/texture caches, upload budgets, three-frame fence retirement, exact-incarnation appearance reconciliation, frame pacing, and extensive lifetime conformance coverage.\n\nThe seven-destination connected route now cuts peak working/private memory roughly in half, returns Caul to 125-153 FPS locally, and produces no WER or AMD reset.\n\nCo-authored-by: OpenAI Codex <codex@openai.com>
115 lines
4 KiB
C#
115 lines
4 KiB
C#
using AcDream.App.Rendering.Wb;
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namespace AcDream.App.Tests.Rendering.Wb;
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public sealed class ContiguousRangeAllocatorTests
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{
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[Fact]
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public void ReleasedRangesAreReusedWithoutGrowing()
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{
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var allocator = new ContiguousRangeAllocator(100);
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Assert.True(allocator.TryAllocate(30, out MeshBufferRange first));
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Assert.True(allocator.TryAllocate(20, out MeshBufferRange second));
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allocator.Release(first);
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Assert.True(allocator.TryAllocate(25, out MeshBufferRange reused));
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Assert.Equal(0, reused.Offset);
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Assert.Equal(25, reused.Length);
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Assert.Equal(45, allocator.Used);
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Assert.Equal(100, allocator.Capacity);
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Assert.Equal(50, allocator.LargestFreeRange);
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Assert.Equal(30, second.Offset);
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}
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[Fact]
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public void AdjacentReleasedRangesCoalesceInEitherOrder()
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{
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var allocator = new ContiguousRangeAllocator(100);
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Assert.True(allocator.TryAllocate(20, out MeshBufferRange first));
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Assert.True(allocator.TryAllocate(30, out MeshBufferRange second));
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Assert.True(allocator.TryAllocate(10, out MeshBufferRange third));
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allocator.Release(second);
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allocator.Release(first);
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allocator.Release(third);
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Assert.Equal(0, allocator.Used);
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Assert.Equal(100, allocator.LargestFreeRange);
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Assert.True(allocator.TryAllocate(100, out MeshBufferRange whole));
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Assert.Equal(new MeshBufferRange(0, 100), whole);
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}
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[Fact]
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public void GrowthJoinsTheTrailingFreeRange()
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{
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var allocator = new ContiguousRangeAllocator(64);
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Assert.True(allocator.TryAllocate(48, out _));
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allocator.Grow(128);
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Assert.Equal(80, allocator.LargestFreeRange);
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Assert.True(allocator.TryAllocate(72, out MeshBufferRange allocation));
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Assert.Equal(48, allocation.Offset);
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Assert.Equal(120, allocator.HighWaterMark);
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}
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[Fact]
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public void DoubleReleaseIsRejectedBeforeAccountingChanges()
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{
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var allocator = new ContiguousRangeAllocator(32);
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Assert.True(allocator.TryAllocate(8, out MeshBufferRange allocation));
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allocator.Release(allocation);
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Assert.Throws<InvalidOperationException>(() => allocator.Release(allocation));
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Assert.Equal(0, allocator.Used);
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Assert.Equal(32, allocator.LargestFreeRange);
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}
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[Fact]
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public void BestFitPreservesTheLargerHole()
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{
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var allocator = new ContiguousRangeAllocator(100);
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Assert.True(allocator.TryAllocate(20, out MeshBufferRange small));
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Assert.True(allocator.TryAllocate(10, out _));
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Assert.True(allocator.TryAllocate(40, out MeshBufferRange large));
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Assert.True(allocator.TryAllocate(30, out _));
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allocator.Release(small);
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allocator.Release(large);
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Assert.True(allocator.TryAllocate(18, out MeshBufferRange selected));
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Assert.Equal(small.Offset, selected.Offset);
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Assert.Equal(40, allocator.LargestFreeRange);
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}
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[Fact]
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public void ReleasingTailLowersLiveHighWaterAndAllowsTrim()
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{
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var allocator = new ContiguousRangeAllocator(100);
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Assert.True(allocator.TryAllocate(20, out _));
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Assert.True(allocator.TryAllocate(30, out MeshBufferRange tail));
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Assert.Equal(50, allocator.HighWaterMark);
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allocator.Release(tail);
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Assert.Equal(20, allocator.HighWaterMark);
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Assert.Equal(80, allocator.TrailingFreeLength);
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allocator.Shrink(40);
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Assert.Equal(40, allocator.Capacity);
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Assert.Equal(20, allocator.HighWaterMark);
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Assert.Equal(20, allocator.TrailingFreeLength);
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}
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[Fact]
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public void InteriorReleaseDoesNotHideAHighLiveAllocation()
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{
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var allocator = new ContiguousRangeAllocator(100);
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Assert.True(allocator.TryAllocate(20, out MeshBufferRange first));
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Assert.True(allocator.TryAllocate(30, out _));
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allocator.Release(first);
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Assert.Equal(50, allocator.HighWaterMark);
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Assert.Throws<InvalidOperationException>(() => allocator.Shrink(40));
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}
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}
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