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Diffstat (limited to 'csharp/src/Google.Protobuf.Test/Compatibility/TypeExtensionsTest.cs')
-rw-r--r-- | csharp/src/Google.Protobuf.Test/Compatibility/TypeExtensionsTest.cs | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/csharp/src/Google.Protobuf.Test/Compatibility/TypeExtensionsTest.cs b/csharp/src/Google.Protobuf.Test/Compatibility/TypeExtensionsTest.cs new file mode 100644 index 00000000..f0c8d3bc --- /dev/null +++ b/csharp/src/Google.Protobuf.Test/Compatibility/TypeExtensionsTest.cs @@ -0,0 +1,133 @@ +#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; +using System.Collections.Generic; +using System.Reflection; + +namespace Google.Protobuf.Compatibility +{ + public class TypeExtensionsTest + { + public class DerivedList : List<string> { } + public string PublicProperty { get; set; } + private string PrivateProperty { get; set; } + + public void PublicMethod() + { + } + + private void PrivateMethod() + { + } + + [Test] + [TestCase(typeof(int), true)] + [TestCase(typeof(int?), true)] + [TestCase(typeof(Nullable<>), true)] + [TestCase(typeof(WireFormat.WireType), true)] + [TestCase(typeof(string), false)] + [TestCase(typeof(object), false)] + [TestCase(typeof(Enum), false)] + [TestCase(typeof(ValueType), false)] + [TestCase(typeof(TypeExtensionsTest), false)] + [TestCase(typeof(Action), false)] + [TestCase(typeof(Action<>), false)] + [TestCase(typeof(IDisposable), false)] + public void IsValueType(Type type, bool expected) + { + Assert.AreEqual(expected, TypeExtensions.IsValueType(type)); + } + + [Test] + [TestCase(typeof(object), typeof(string), true)] + [TestCase(typeof(object), typeof(int), true)] + [TestCase(typeof(string), typeof(string), true)] + [TestCase(typeof(string), typeof(object), false)] + [TestCase(typeof(string), typeof(int), false)] + [TestCase(typeof(int), typeof(int), true)] + [TestCase(typeof(ValueType), typeof(int), true)] + [TestCase(typeof(long), typeof(int), false)] // + public void IsAssignableFrom(Type target, Type argument, bool expected) + { + Assert.AreEqual(expected, TypeExtensions.IsAssignableFrom(target, argument)); + } + + [Test] + [TestCase(typeof(DerivedList), "Count")] // Go up the type hierarchy + [TestCase(typeof(List<string>), "Count")] + [TestCase(typeof(List<>), "Count")] + [TestCase(typeof(TypeExtensionsTest), "PublicProperty")] + public void GetProperty_Success(Type type, string name) + { + var property = TypeExtensions.GetProperty(type, name); + Assert.IsNotNull(property); + Assert.AreEqual(name, property.Name); + } + + [Test] + [TestCase(typeof(TypeExtensionsTest), "PrivateProperty")] + [TestCase(typeof(TypeExtensionsTest), "Garbage")] + public void GetProperty_NoSuchProperty(Type type, string name) + { + var property = TypeExtensions.GetProperty(type, name); + Assert.IsNull(property); + } + + [Test] + [TestCase(typeof(DerivedList), "RemoveAt")] // Go up the type hierarchy + [TestCase(typeof(List<>), "RemoveAt")] + [TestCase(typeof(TypeExtensionsTest), "PublicMethod")] + public void GetMethod_Success(Type type, string name) + { + var method = TypeExtensions.GetMethod(type, name); + Assert.IsNotNull(method); + Assert.AreEqual(name, method.Name); + } + + [Test] + [TestCase(typeof(TypeExtensionsTest), "PrivateMethod")] + [TestCase(typeof(TypeExtensionsTest), "GarbageMethod")] + public void GetMethod_NoSuchMethod(Type type, string name) + { + var method = TypeExtensions.GetMethod(type, name); + Assert.IsNull(method); + } + + [Test] + [TestCase(typeof(List<string>), "IndexOf")] + public void GetMethod_Ambiguous(Type type, string name) + { + Assert.Throws<AmbiguousMatchException>(() => TypeExtensions.GetMethod(type, name)); + } + } +} |