1 files changed, 125 insertions, 0 deletions
diff --git a/csharp/src/ProtocolBuffers.Test/Collections/PopsicleListTest.cs b/csharp/src/ProtocolBuffers.Test/Collections/PopsicleListTest.cs
new file mode 100644
index 00000000..f336a84b
--- /dev/null
+++ b/csharp/src/ProtocolBuffers.Test/Collections/PopsicleListTest.cs
@@ -0,0 +1,125 @@
+#region Copyright notice and license
+
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://github.com/jskeet/dotnet-protobufs/
+// Original C++/Java/Python code:
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#endregion
+
+using System;
+using System.Collections.Generic;
+using NUnit.Framework;
+
+namespace Google.ProtocolBuffers.Collections
+{
+    public class PopsicleListTest
+    {
+        [Test]
+        public void MutatingOperationsOnFrozenList()
+        {
+            PopsicleList<string> list = new PopsicleList<string>();
+            list.MakeReadOnly();
+            Assert.Throws<NotSupportedException>(() => list.Add(""));
+            Assert.Throws<NotSupportedException>(() => list.Clear());
+            Assert.Throws<NotSupportedException>(() => list.Insert(0, ""));
+            Assert.Throws<NotSupportedException>(() => list.Remove(""));
+            Assert.Throws<NotSupportedException>(() => list.RemoveAt(0));
+            Assert.Throws<NotSupportedException>(() => list.Add(new[] { "", "" }));
+        }
+
+        [Test]
+        public void NonMutatingOperationsOnFrozenList()
+        {
+            PopsicleList<string> list = new PopsicleList<string>();
+            list.MakeReadOnly();
+            Assert.IsFalse(list.Contains(""));
+            Assert.AreEqual(0, list.Count);
+            list.CopyTo(new string[5], 0);
+            list.GetEnumerator();
+            Assert.AreEqual(-1, list.IndexOf(""));
+            Assert.IsTrue(list.IsReadOnly);
+        }
+
+        [Test]
+        public void MutatingOperationsOnFluidList()
+        {
+            PopsicleList<string> list = new PopsicleList<string>();
+            list.Add("");
+            list.Clear();
+            list.Insert(0, "");
+            list.Remove("");
+            list.Add("x"); // Just to make the next call valid
+            list.RemoveAt(0);
+        }
+
+        [Test]
+        public void NonMutatingOperationsOnFluidList()
+        {
+            PopsicleList<string> list = new PopsicleList<string>();
+            Assert.IsFalse(list.Contains(""));
+            Assert.AreEqual(0, list.Count);
+            list.CopyTo(new string[5], 0);
+            list.GetEnumerator();
+            Assert.AreEqual(-1, list.IndexOf(""));
+            Assert.IsFalse(list.IsReadOnly);
+        }
+
+        [Test]
+        public void DoesNotAddNullEnumerable()
+        {
+            PopsicleList<string> list = new PopsicleList<string>();
+            Assert.Throws<ArgumentNullException>(() => list.Add((IEnumerable<string>) null));
+        }
+
+        [Test]
+        public void DoesNotAddRangeWithNull()
+        {
+            PopsicleList<string> list = new PopsicleList<string>();
+            // TODO(jonskeet): Change to ArgumentException? The argument isn't null...
+            Assert.Throws<ArgumentNullException>(() => list.Add(new[] {"a", "b", null}));
+        }
+
+        [Test]
+        public void DoesNotAddNull()
+        {
+            PopsicleList<string> list = new PopsicleList<string>();
+            Assert.Throws<ArgumentNullException>(() => list.Add((string) null));
+        }
+
+        [Test]
+        public void DoesNotSetNull()
+        {
+            PopsicleList<string> list = new PopsicleList<string>();
+            list.Add("a");
+            Assert.Throws<ArgumentNullException>(() => list[0] = null);
+        }
+    }
+}
+\ No newline at end of file