b44dd147bc
Ports retail CELLARRAY::add_cell (acclient_2013_pseudo_c.txt:701036): ordered list, dedup by cell_id, append at end. The order is load-bearing for the verbatim find_cell_list current-cell-first interior-wins pick (next commits) that fixes the R1 cottage membership flap. Implements ICollection<uint> (helper-facing) + IReadOnlyCollection<uint> (consumer-facing). 5 unit tests. Also lands the membership-port pseudocode (workflow step 3) + the Stage-1 plan. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
59 lines
1.7 KiB
C#
59 lines
1.7 KiB
C#
using System.Collections.Generic;
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using System.Linq;
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using AcDream.Core.Physics;
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using Xunit;
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namespace AcDream.Core.Tests.Physics;
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public class CellArrayTests
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{
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[Fact]
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public void Add_PreservesInsertionOrder()
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{
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var a = new CellArray();
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a.Add(0xA9B40170u);
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a.Add(0xA9B40031u);
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a.Add(0xA9B40171u);
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Assert.Equal(new[] { 0xA9B40170u, 0xA9B40031u, 0xA9B40171u }, a.OrderedIds.ToArray());
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}
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[Fact]
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public void Add_DedupsById_KeepingFirstPosition()
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{
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var a = new CellArray();
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a.Add(0xA9B40170u);
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a.Add(0xA9B40171u);
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a.Add(0xA9B40170u); // duplicate of index 0 — no-op (retail add_cell)
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Assert.Equal(2, a.Count);
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Assert.Equal(new[] { 0xA9B40170u, 0xA9B40171u }, a.OrderedIds.ToArray());
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}
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[Fact]
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public void Contains_TracksMembership()
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{
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var a = new CellArray();
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a.Add(0xA9B40170u);
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Assert.True(a.Contains(0xA9B40170u));
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Assert.False(a.Contains(0xA9B40171u));
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}
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[Fact]
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public void EnumeratesInInsertionOrder_AsICollection()
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{
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var a = new CellArray();
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a.Add(3u); a.Add(1u); a.Add(2u);
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ICollection<uint> c = a; // helper-facing interface
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Assert.Equal(new[] { 3u, 1u, 2u }, c.ToArray());
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}
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[Fact]
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public void IsReadOnlyCollection_ForConsumers()
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{
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var a = new CellArray();
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a.Add(7u); a.Add(7u);
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IReadOnlyCollection<uint> ro = a; // consumer-facing interface (FindCellSet out)
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int count = ro.Count; // local avoids xUnit2013 (still exercises .Count)
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Assert.Equal(1, count);
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Assert.Equal(new[] { 7u }, ro.ToArray());
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}
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}
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