Revert https://codereview.chromium.org/1291903002 (protobuf roll).

third_party/protobuf/csharp/src/Google.Protobuf.Test/WellKnownTypes/DurationTest.cs

Index: third_party/protobuf/csharp/src/Google.Protobuf.Test/WellKnownTypes/DurationTest.cs
diff --git a/third_party/protobuf/csharp/src/Google.Protobuf.Test/WellKnownTypes/DurationTest.cs b/third_party/protobuf/csharp/src/Google.Protobuf.Test/WellKnownTypes/DurationTest.cs
deleted file mode 100644
index 36012e63b6d12887398064e1a2973b3a5aa6152b..0000000000000000000000000000000000000000
--- a/third_party/protobuf/csharp/src/Google.Protobuf.Test/WellKnownTypes/DurationTest.cs
+++ /dev/null
@@ -1,104 +0,0 @@
-#region Copyright notice and license
-// Protocol Buffers - Google's data interchange format
-// Copyright 2015 Google Inc.  All rights reserved.
-// https://developers.google.com/protocol-buffers/
-//
-// 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 NUnit.Framework;
-using System;
-
-namespace Google.Protobuf.WellKnownTypes
-{
-    public class DurationTest
-    {
-        [Test]
-        public void ToTimeSpan()
-        {
-            Assert.AreEqual(TimeSpan.FromSeconds(1), new Duration { Seconds = 1 }.ToTimeSpan());
-            Assert.AreEqual(TimeSpan.FromSeconds(-1), new Duration { Seconds = -1 }.ToTimeSpan());
-            Assert.AreEqual(TimeSpan.FromMilliseconds(1), new Duration { Nanos = 1000000 }.ToTimeSpan());
-            Assert.AreEqual(TimeSpan.FromMilliseconds(-1), new Duration { Nanos = -1000000 }.ToTimeSpan());
-            Assert.AreEqual(TimeSpan.FromTicks(1), new Duration { Nanos = 100 }.ToTimeSpan());
-            Assert.AreEqual(TimeSpan.FromTicks(-1), new Duration { Nanos = -100 }.ToTimeSpan());
-
-            // Rounding is towards 0
-            Assert.AreEqual(TimeSpan.FromTicks(2), new Duration { Nanos = 250 }.ToTimeSpan());
-            Assert.AreEqual(TimeSpan.FromTicks(-2), new Duration { Nanos = -250 }.ToTimeSpan());
-
-            // Non-normalized durations
-            Assert.AreEqual(TimeSpan.FromSeconds(3), new Duration { Seconds = 1, Nanos = 2 * Duration.NanosecondsPerSecond }.ToTimeSpan());
-            Assert.AreEqual(TimeSpan.FromSeconds(1), new Duration { Seconds = 3, Nanos = -2 * Duration.NanosecondsPerSecond }.ToTimeSpan());
-            Assert.AreEqual(TimeSpan.FromSeconds(-1), new Duration { Seconds = 1, Nanos = -2 * Duration.NanosecondsPerSecond }.ToTimeSpan());
-        }
-
-        [Test]
-        public void Addition()
-        {
-            Assert.AreEqual(new Duration { Seconds = 2, Nanos = 100000000 },
-                new Duration { Seconds = 1, Nanos = 600000000 } + new Duration { Nanos = 500000000 });
-            Assert.AreEqual(new Duration { Seconds = -2, Nanos = -100000000 },
-                new Duration { Seconds = -1, Nanos = -600000000 } + new Duration { Nanos = -500000000 });
-            Assert.AreEqual(new Duration { Seconds = 1, Nanos = 100000000 },
-                new Duration { Seconds = 1, Nanos = 600000000 } + new Duration { Nanos = -500000000 });
-
-            // Non-normalized durations, or non-normalized intermediate results
-            Assert.AreEqual(new Duration { Seconds = 1 },
-                new Duration { Seconds = 1, Nanos = -500000000 } + new Duration { Nanos = 500000000 });
-
-            Assert.AreEqual(new Duration { Nanos = -900000000 },
-                new Duration { Seconds = -1, Nanos = -100000000 } + new Duration { Nanos = 200000000 });
-            Assert.AreEqual(new Duration { Nanos = 900000000 },
-                new Duration { Seconds = 1, Nanos = 100000000 } + new Duration { Nanos = -200000000 });
-        }
-
-        [Test]
-        public void Subtraction()
-        {
-            Assert.AreEqual(new Duration { Seconds = 1, Nanos = 100000000 },
-                new Duration { Seconds = 1, Nanos = 600000000 } - new Duration { Nanos = 500000000 });
-            Assert.AreEqual(new Duration { Seconds = -1, Nanos = -100000000 },
-                new Duration { Seconds = -1, Nanos = -600000000 } - new Duration { Nanos = -500000000 });
-            Assert.AreEqual(new Duration { Seconds = 2, Nanos = 100000000 },
-                new Duration { Seconds = 1, Nanos = 600000000 } - new Duration { Nanos = -500000000 });
-
-            // Non-normalized durations
-            Assert.AreEqual(new Duration(),
-                new Duration { Seconds = 1, Nanos = -500000000 } - new Duration { Nanos = 500000000 });
-            Assert.AreEqual(new Duration { Seconds = 1 },
-                new Duration { Nanos = 2000000000 } - new Duration { Nanos = 1000000000 });
-        }
-
-        [Test]
-        public void FromTimeSpan()
-        {
-            Assert.AreEqual(new Duration { Seconds = 1 }, Duration.FromTimeSpan(TimeSpan.FromSeconds(1)));
-            Assert.AreEqual(new Duration { Nanos = Duration.NanosecondsPerTick }, Duration.FromTimeSpan(TimeSpan.FromTicks(1)));
-        }
-    }
-}