Fixed blendShapeCopy before normalize for mesh without boneWeight

Scripts/Editor/Tests/MeshTests.cs

@@ -0,0 +1,64 @@
+using NUnit.Framework;
+using UnityEngine;
+using System.Linq;
+
+
+namespace VRM
+{
+    public class MeshTests
+    {
+        public static void MeshEquals(Mesh l, Mesh r)
+        {
+#if UNITY_2017_3_OR_NEWER
+            Assert.AreEqual(l.indexFormat, r.indexFormat);
+#endif
+            Assert.True(l.vertices.SequenceEqual(r.vertices));
+            Assert.True(l.normals.SequenceEqual(r.normals));
+            Assert.True(l.tangents.SequenceEqual(r.tangents));
+            Assert.True(l.uv.SequenceEqual(r.uv));
+            Assert.True(l.uv2.SequenceEqual(r.uv2));
+            Assert.True(l.uv3.SequenceEqual(r.uv3));
+            Assert.True(l.uv4.SequenceEqual(r.uv4));
+            Assert.True(l.colors.SequenceEqual(r.colors));
+            Assert.True(l.boneWeights.SequenceEqual(r.boneWeights));
+            Assert.True(l.bindposes.SequenceEqual(r.bindposes));
+
+            Assert.AreEqual(l.subMeshCount, r.subMeshCount);
+            for (int i = 0; i < l.subMeshCount; ++i)
+            {
+                Assert.True(l.GetIndices(i).SequenceEqual(r.GetIndices(i)));
+            }
+
+            Assert.AreEqual(l.blendShapeCount, r.blendShapeCount);
+            for (int i = 0; i < l.blendShapeCount; ++i)
+            {
+                Assert.AreEqual(l.GetBlendShapeName(i), r.GetBlendShapeName(i));
+                Assert.AreEqual(l.GetBlendShapeFrameCount(i), r.GetBlendShapeFrameCount(i));
+                Assert.AreEqual(l.GetBlendShapeFrameWeight(i, 0), r.GetBlendShapeFrameWeight(i, 0));
+
+                var lv = l.vertices;
+                var ln = l.vertices;
+                var lt = l.vertices;
+                var rv = r.vertices;
+                var rn = r.vertices;
+                var rt = r.vertices;
+                l.GetBlendShapeFrameVertices(i, 0, lv, ln, lt);
+                r.GetBlendShapeFrameVertices(i, 0, rv, rn, rt);
+                Assert.True(lv.SequenceEqual(rv));
+                Assert.True(ln.SequenceEqual(rn));
+                Assert.True(lt.SequenceEqual(rt));
+            }
+        }
+
+        [Test]
+        public void MeshCopyTest()
+        {
+            var src = new Mesh();
+            src.AddBlendShapeFrame("blendShape", 100.0f, null, null, null);
+
+            var dst = src.Copy(true);
+
+            MeshEquals(src, dst);
+        }
+    }
+}

Scripts/Editor/Tests/MeshTests.cs.meta

@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: 0fa06e6e83b995a49a1357924b9ef23e
+timeCreated: 1533274120
+licenseType: Free
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+  defaultReferences: []
+  executionOrder: 0
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