Version 2.1.2: Python bindings, OBJ assets support, bugfixes.

PiperOrigin-RevId: 434731612
Change-Id: I0cfda3e7a3d1c72036764986efc252ffa1b8c6b0

unity/Tests/Editor/Tools/MjVFSEditorTests.cs

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+// Copyright 2019 DeepMind Technologies Limited
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+using System;
+using System.Runtime.InteropServices;
+using NUnit.Framework;
+
+namespace Mujoco {
+
+  using static MujocoLib;
+
+  [TestFixture]
+  public class MjVfsTests {
+    private MjVfs _vfs;
+
+    [SetUp]
+    public void SetUp() {
+      _vfs = new MjVfs();
+    }
+
+    [TearDown]
+    public void TearDown() {
+      _vfs.Dispose();
+      _vfs = null;
+    }
+
+    [Test]
+    public unsafe void AddingNewFile() {
+      var filename = "filename";
+      var contents = "contents";
+      _vfs.AddFile(filename, contents);
+      Assert.That(_vfs.FilesCount, Is.EqualTo(1));
+    }
+
+    [Test]
+    public unsafe void LocatingFileUsingMujocoLib() {
+      var filename = "filename";
+      _vfs.AddFile(filename, "contents");
+      Assert.That(_vfs.FindFile(filename), Is.EqualTo(0));
+    }
+
+    [Test]
+    public unsafe void AddedFileContentsAreCorrect() {
+      var filename = "filename";
+      var contents = "contents";
+      _vfs.AddFile(filename, contents);
+      var filedata = Marshal.PtrToStringAnsi(_vfs.Data.filedata[0]);
+      Assert.That(filedata, Is.EqualTo(contents));
+    }
+  }
+}