Add "no normalization performed" test for Storage client.

apis/Google.Cloud.Storage.V1/Google.Cloud.Storage.V1.IntegrationTests/NormalizationTest.cs

@@ -0,0 +1,49 @@
+// Copyright 2017 Google Inc. All Rights Reserved.
+// 
+// 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.IO;
+using System.Text;
+using Xunit;
+
+namespace Google.Cloud.Storage.V1.IntegrationTests
+{
+    /// <summary>
+    /// Tests that ensure the client does *not* perform any normalization.
+    /// The bucket <see cref="s_bucket"/> contains two files, which are both named "Café"
+    /// but using different normalization. The client should be able to retrieve both.
+    /// </summary>
+    public class NormalizationTest
+    {
+        private const string s_bucket = "storage-library-test-bucket";
+
+        [Theory]
+        // Normalization Form C: a single character for e-acute.
+        // URL should end with Cafe%CC%81
+        [InlineData("Caf\u00e9", "Normalization Form C")]
+        // Normalization Form D: an ASCII e followed by U+0301 combining character
+        // URL should end with Caf%C3%A9
+        [InlineData("Cafe\u0301", "Normalization Form D")]
+        public void FetchObjectAndCheckContent(string name, string expectedContent)
+        {
+            var client = StorageClient.Create();
+            var obj = client.GetObject(s_bucket, name);
+            Assert.Equal(name, obj.Name);
+
+            var stream = new MemoryStream();
+            client.DownloadObject(s_bucket, name, stream);
+            string text = Encoding.UTF8.GetString(stream.ToArray());
+            Assert.Equal(expectedContent, text);
+        }
+    }
+}