chore(test): add additional tests (#623)

UnitTests~/Animation/AnimationDatabaseCloning.meta

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UnitTests~/Animation/AnimationDatabaseCloning/AnimationDatabaseCloningTest.cs

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+using System.Collections;
+using System.Collections.Generic;
+using modular_avatar_tests;
+using nadena.dev.modular_avatar.animation;
+using nadena.dev.ndmf;
+using NUnit.Framework;
+using UnityEditor.Animations;
+using UnityEngine;
+
+
+namespace _ModularAvatar.EditModeTests
+{
+    public class AnimationDatabaseCloningTest : TestBase
+    {
+        [Test]
+        public void TestAnimationDatabaseCloningLogic()
+        {
+            var root = CreateRoot("root");
+            var context = CreateContext(root);
+            
+            var origController = LoadAsset<AnimatorController>("ac.controller");
+            var state = origController.layers[0].stateMachine.defaultState;
+            var clonedState = Object.Instantiate(state);
+
+            var origAnimation = LoadAsset<AnimationClip>("anim.anim");
+
+            using (new ObjectRegistryScope(new ObjectRegistry(root.transform)))
+            {
+                var db = new AnimationDatabase();
+                db.OnActivate(context);
+                db.RegisterState(clonedState);
+
+                var newBlendTree = clonedState.motion as BlendTree;
+                var origBlendTree = state.motion as BlendTree;
+
+                Assert.NotNull(newBlendTree);
+                Assert.NotNull(origBlendTree);
+
+                Assert.AreNotSame(newBlendTree, origBlendTree);
+                Assert.AreNotSame(newBlendTree.children[1].motion, origBlendTree.children[1].motion);
+
+                // Before commit, proxy animations are replaced.
+                Assert.AreNotSame(newBlendTree.children[0].motion, origBlendTree.children[0].motion);
+
+                Assert.AreSame(ObjectRegistry.GetReference(origAnimation),
+                    ObjectRegistry.GetReference(newBlendTree.children[1].motion));
+
+                db.Commit();
+
+                Assert.AreNotSame(newBlendTree, origBlendTree);
+                Assert.AreNotSame(newBlendTree.children[1].motion, origBlendTree.children[1].motion);
+
+                // After commit, proxy animations are restored to the original assets.
+                Assert.AreSame(newBlendTree.children[0].motion, origBlendTree.children[0].motion);
+            }
+        }
+    }
+}

UnitTests~/Animation/AnimationDatabaseCloning/AnimationDatabaseCloningTest.cs.meta

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UnitTests~/Animation/AnimationDatabaseCloning/ac.controller

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+%YAML 1.1
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+  m_ParentStateMachinePosition: {x: 800, y: 20, z: 0}
+  m_DefaultState: {fileID: -756388900498452404}
+--- !u!1102 &-756388900498452404
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+  m_ObjectHideFlags: 1
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+  m_PrefabInstance: {fileID: 0}
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+  m_Tag: 
+  m_SpeedParameter: 
+  m_MirrorParameter: 
+  m_CycleOffsetParameter: 
+  m_TimeParameter: 
+--- !u!91 &9100000
+AnimatorController:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: ac
+  serializedVersion: 5
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+    m_IKPass: 0
+    m_SyncedLayerAffectsTiming: 0
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+BlendTree:
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+  m_Name: Blend Tree
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+    m_DirectBlendParameter: Blend
+    m_Mirror: 0
+  m_BlendParameter: Blend
+  m_BlendParameterY: Blend
+  m_MinThreshold: 0
+  m_MaxThreshold: 1
+  m_UseAutomaticThresholds: 1
+  m_NormalizedBlendValues: 0
+  m_BlendType: 0

UnitTests~/Animation/AnimationDatabaseCloning/ac.controller.meta

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UnitTests~/Animation/AnimationDatabaseCloning/anim.anim

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+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!74 &7400000
+AnimationClip:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_Name: anim
+  serializedVersion: 6
+  m_Legacy: 0
+  m_Compressed: 0
+  m_UseHighQualityCurve: 1
+  m_RotationCurves: []
+  m_CompressedRotationCurves: []
+  m_EulerCurves: []
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+  m_ScaleCurves: []
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+  m_PPtrCurves: []
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+    m_Extent: {x: 0, y: 0, z: 0}
+  m_ClipBindingConstant:
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+    pptrCurveMapping: []
+  m_AnimationClipSettings:
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+    m_KeepOriginalPositionY: 1
+    m_KeepOriginalPositionXZ: 0
+    m_HeightFromFeet: 0
+    m_Mirror: 0
+  m_EditorCurves: []
+  m_EulerEditorCurves: []
+  m_HasGenericRootTransform: 0
+  m_HasMotionFloatCurves: 0
+  m_Events: []

UnitTests~/Animation/AnimationDatabaseCloning/anim.anim.meta

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