63c7e4c78a
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/) and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html). Additional documentation and release notes are available at [Multiplayer Documentation](https://docs-multiplayer.unity3d.com). ## [2.0.0-exp.4] - 2024-05-31 ### Added - Added `NetworkRigidbodyBase.AttachToFixedJoint` and `NetworkRigidbodyBase.DetachFromFixedJoint` to replace parenting for rigid bodies that have `NetworkRigidbodyBase.UseRigidBodyForMotion` enabled. (#2933) - Added `NetworkBehaviour.OnNetworkPreSpawn` and `NetworkBehaviour.OnNetworkPostSpawn` methods that provide the ability to handle pre and post spawning actions during the `NetworkObject` spawn sequence. (#2912) - Added a client-side only `NetworkBehaviour.OnNetworkSessionSynchronized` convenience method that is invoked on all `NetworkBehaviour`s after a newly joined client has finished synchronizing with the network session in progress. (#2912) - Added `NetworkBehaviour.OnInSceneObjectsSpawned` convenience method that is invoked when all in-scene `NetworkObject`s have been spawned after a scene has been loaded or upon a host or server starting. (#2912) ### Fixed - Fixed issue where non-authoritative rigid bodies with `NetworkRigidbodyBase.UseRigidBodyForMotion` enabled would constantly log errors about the renderTime being before `StartTimeConsumed`. (#2933) - Fixed issue where in-scene placed NetworkObjects could be destroyed if a client disconnects early and/or before approval. (#2924) - Fixed issue where a `NetworkObject` component's associated `NetworkBehaviour` components would not be detected if scene loading is disabled in the editor and the currently loaded scene has in-scene placed `NetworkObject`s. (#2912) - Fixed issue where an in-scene placed `NetworkObject` with `NetworkTransform` that is also parented under a `GameObject` would not properly synchronize when the parent `GameObject` had a world space position other than 0,0,0. (#2898) ### Changed - Change all the access modifiers of test class from Public to Internal (#2930) - Changed messages are now sorted by enum values as opposed to ordinally sorting the messages by their type name. (#2929) - Changed `NetworkClient.SessionModeTypes` to `NetworkClient.NetworkTopologyTypes`. (#2875) - Changed `NetworkClient.SessionModeType` to `NetworkClient.NetworkTopologyType`. (#2875) - Changed `NetworkConfig.SessionMode` to `NeworkConfig.NetworkTopology`. (#2875)
334 lines
11 KiB
C#
334 lines
11 KiB
C#
using System;
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using NUnit.Framework;
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using Unity.Collections;
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namespace Unity.Netcode.EditorTests
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{
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internal class BitWriterTests
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{
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[Test]
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public unsafe void TestWritingOneBit()
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{
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var writer = new FastBufferWriter(4, Allocator.Temp);
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using (writer)
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{
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int* asInt = (int*)writer.GetUnsafePtr();
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Assert.AreEqual(0, *asInt);
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Assert.IsTrue(writer.TryBeginWrite(3));
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using (var bitWriter = writer.EnterBitwiseContext())
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{
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bitWriter.WriteBit(true);
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Assert.AreEqual(0b1, *asInt);
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bitWriter.WriteBit(true);
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Assert.AreEqual(0b11, *asInt);
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bitWriter.WriteBit(false);
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bitWriter.WriteBit(true);
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Assert.AreEqual(0b1011, *asInt);
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bitWriter.WriteBit(false);
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bitWriter.WriteBit(false);
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bitWriter.WriteBit(false);
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bitWriter.WriteBit(true);
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Assert.AreEqual(0b10001011, *asInt);
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bitWriter.WriteBit(false);
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bitWriter.WriteBit(true);
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bitWriter.WriteBit(false);
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bitWriter.WriteBit(true);
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Assert.AreEqual(0b1010_10001011, *asInt);
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}
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Assert.AreEqual(2, writer.Position);
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Assert.AreEqual(0b1010_10001011, *asInt);
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writer.WriteByte(0b11111111);
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Assert.AreEqual(0b11111111_00001010_10001011, *asInt);
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}
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}
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[Test]
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public unsafe void TestTryBeginWriteBits()
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{
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var writer = new FastBufferWriter(4, Allocator.Temp);
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using (writer)
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{
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int* asInt = (int*)writer.GetUnsafePtr();
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Assert.AreEqual(0, *asInt);
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using (var bitWriter = writer.EnterBitwiseContext())
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{
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Assert.Throws<InvalidOperationException>(() => writer.TryBeginWrite(1));
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Assert.Throws<InvalidOperationException>(() => writer.TryBeginWriteValue(1));
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Assert.IsTrue(bitWriter.TryBeginWriteBits(1));
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bitWriter.WriteBit(true);
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Assert.AreEqual(0b1, *asInt);
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// Can't use Assert.Throws() because ref struct BitWriter can't be captured in a lambda
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try
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{
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bitWriter.WriteBit(true);
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}
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catch (OverflowException)
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{
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// Should get called here.
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}
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Assert.IsTrue(bitWriter.TryBeginWriteBits(3));
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bitWriter.WriteBit(true);
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Assert.AreEqual(0b11, *asInt);
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bitWriter.WriteBit(false);
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bitWriter.WriteBit(true);
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Assert.AreEqual(0b1011, *asInt);
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try
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{
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bitWriter.WriteBits(0b11111111, 4);
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}
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catch (OverflowException)
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{
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// Should get called here.
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}
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try
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{
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bitWriter.WriteBits(0b11111111, 1);
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}
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catch (OverflowException)
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{
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// Should get called here.
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}
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Assert.IsTrue(bitWriter.TryBeginWriteBits(3));
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try
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{
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bitWriter.WriteBits(0b11111111, 4);
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}
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catch (OverflowException)
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{
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// Should get called here.
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}
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Assert.IsTrue(bitWriter.TryBeginWriteBits(4));
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bitWriter.WriteBits(0b11111010, 3);
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Assert.AreEqual(0b00101011, *asInt);
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Assert.IsTrue(bitWriter.TryBeginWriteBits(5));
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bitWriter.WriteBits(0b11110101, 5);
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Assert.AreEqual(0b1010_10101011, *asInt);
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}
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Assert.AreEqual(2, writer.Position);
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Assert.AreEqual(0b1010_10101011, *asInt);
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Assert.IsTrue(writer.TryBeginWrite(1));
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writer.WriteByte(0b11111111);
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Assert.AreEqual(0b11111111_00001010_10101011, *asInt);
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Assert.IsTrue(writer.TryBeginWrite(1));
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writer.WriteByte(0b00000000);
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Assert.AreEqual(0b11111111_00001010_10101011, *asInt);
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Assert.IsFalse(writer.TryBeginWrite(1));
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using (var bitWriter = writer.EnterBitwiseContext())
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{
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Assert.IsFalse(bitWriter.TryBeginWriteBits(1));
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}
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}
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}
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[Test]
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public unsafe void TestWritingMultipleBits()
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{
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var writer = new FastBufferWriter(4, Allocator.Temp);
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using (writer)
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{
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int* asInt = (int*)writer.GetUnsafePtr();
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Assert.AreEqual(0, *asInt);
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Assert.IsTrue(writer.TryBeginWrite(3));
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using (var bitWriter = writer.EnterBitwiseContext())
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{
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bitWriter.WriteBits(0b11111111, 1);
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Assert.AreEqual(0b1, *asInt);
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bitWriter.WriteBits(0b11111111, 1);
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Assert.AreEqual(0b11, *asInt);
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bitWriter.WriteBits(0b11111110, 2);
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Assert.AreEqual(0b1011, *asInt);
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bitWriter.WriteBits(0b11111000, 4);
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Assert.AreEqual(0b10001011, *asInt);
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bitWriter.WriteBits(0b11111010, 4);
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Assert.AreEqual(0b1010_10001011, *asInt);
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}
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Assert.AreEqual(2, writer.Position);
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Assert.AreEqual(0b1010_10001011, *asInt);
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writer.WriteByte(0b11111111);
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Assert.AreEqual(0b11111111_00001010_10001011, *asInt);
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}
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}
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[Test]
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public unsafe void TestWritingMultipleBitsFromLongs()
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{
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var writer = new FastBufferWriter(4, Allocator.Temp);
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using (writer)
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{
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int* asInt = (int*)writer.GetUnsafePtr();
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Assert.AreEqual(0, *asInt);
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Assert.IsTrue(writer.TryBeginWrite(3));
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using (var bitWriter = writer.EnterBitwiseContext())
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{
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bitWriter.WriteBits(0b11111111UL, 1);
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Assert.AreEqual(0b1, *asInt);
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bitWriter.WriteBits(0b11111111UL, 1);
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Assert.AreEqual(0b11, *asInt);
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bitWriter.WriteBits(0b11111110UL, 2);
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Assert.AreEqual(0b1011, *asInt);
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bitWriter.WriteBits(0b11111000UL, 4);
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Assert.AreEqual(0b10001011, *asInt);
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bitWriter.WriteBits(0b11111010UL, 4);
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Assert.AreEqual(0b1010_10001011, *asInt);
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}
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Assert.AreEqual(2, writer.Position);
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Assert.AreEqual(0b1010_10001011, *asInt);
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writer.WriteByte(0b11111111);
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Assert.AreEqual(0b11111111_00001010_10001011, *asInt);
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}
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}
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[Test]
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public unsafe void TestWritingMultipleBytesFromLongs([Range(1U, 64U)] uint numBits)
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{
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var writer = new FastBufferWriter(sizeof(ulong), Allocator.Temp);
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using (writer)
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{
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ulong* asUlong = (ulong*)writer.GetUnsafePtr();
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Assert.AreEqual(0, *asUlong);
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var mask = 0UL;
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for (var i = 0; i < numBits; ++i)
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{
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mask |= (1UL << i);
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}
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ulong value = 0xFFFFFFFFFFFFFFFF;
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Assert.IsTrue(writer.TryBeginWrite(sizeof(ulong)));
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using (var bitWriter = writer.EnterBitwiseContext())
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{
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bitWriter.WriteBits(value, numBits);
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}
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Assert.AreEqual(value & mask, *asUlong);
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}
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}
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[Test]
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public unsafe void TestWritingMultipleBytesFromLongsMisaligned([Range(1U, 63U)] uint numBits)
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{
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var writer = new FastBufferWriter(sizeof(ulong), Allocator.Temp);
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using (writer)
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{
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ulong* asUlong = (ulong*)writer.GetUnsafePtr();
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Assert.AreEqual(0, *asUlong);
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var mask = 0UL;
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for (var i = 0; i < numBits; ++i)
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{
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mask |= (1UL << i);
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}
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ulong value = 0xFFFFFFFFFFFFFFFF;
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Assert.IsTrue(writer.TryBeginWrite(sizeof(ulong)));
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using (var bitWriter = writer.EnterBitwiseContext())
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{
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bitWriter.WriteBit(false);
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bitWriter.WriteBits(value, numBits);
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}
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Assert.AreEqual(value & mask, *asUlong >> 1);
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}
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}
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[Test]
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public unsafe void TestWritingBitsThrowsIfTryBeginWriteNotCalled()
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{
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var writer = new FastBufferWriter(4, Allocator.Temp);
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using (writer)
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{
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int* asInt = (int*)writer.GetUnsafePtr();
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Assert.AreEqual(0, *asInt);
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Assert.Throws<OverflowException>(() =>
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{
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using var bitWriter = writer.EnterBitwiseContext();
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bitWriter.WriteBit(true);
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});
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Assert.Throws<OverflowException>(() =>
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{
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using var bitWriter = writer.EnterBitwiseContext();
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bitWriter.WriteBit(false);
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});
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Assert.Throws<OverflowException>(() =>
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{
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using var bitWriter = writer.EnterBitwiseContext();
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bitWriter.WriteBits(0b11111111, 1);
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});
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Assert.Throws<OverflowException>(() =>
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{
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using var bitWriter = writer.EnterBitwiseContext();
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bitWriter.WriteBits(0b11111111UL, 1);
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});
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Assert.AreEqual(0, writer.Position);
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Assert.AreEqual(0, *asInt);
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writer.WriteByteSafe(0b11111111);
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Assert.AreEqual(0b11111111, *asInt);
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Assert.Throws<OverflowException>(() =>
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{
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Assert.IsTrue(writer.TryBeginWrite(1));
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using var bitWriter = writer.EnterBitwiseContext();
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try
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{
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bitWriter.WriteBits(0b11111111UL, 4);
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bitWriter.WriteBits(0b11111111UL, 4);
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}
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catch (OverflowException)
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{
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Assert.Fail("Overflow exception was thrown too early.");
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}
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bitWriter.WriteBits(0b11111111UL, 1);
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});
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}
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}
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}
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}
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