Special treatment of ref-like structs to not produce Obsolete attribute

Added a unit test for MDocUpdater.GetCustomAttributes
Added logic to skip the attribute `Obsolete`
Changed test classes hierarchy

Closes #225

1 files changed, 26 insertions, 0 deletions

diff --git a/mdoc/mdoc.Test/MDocUpdaterTests.cs b/mdoc/mdoc.Test/MDocUpdaterTests.cs
new file mode 100644
index 00000000..9280943a
--- /dev/null
+++ b/mdoc/mdoc.Test/MDocUpdaterTests.cs
@@ -0,0 +1,26 @@
+using System.Collections.Generic;
+using Mono.Cecil;
+using Mono.Collections.Generic;
+using Mono.Documentation;
+using NUnit.Framework;
+
+namespace mdoc.Test
+{
+    [TestFixture]
+    public class MDocUpdaterTests : BasicTests
+    {
+        readonly MDocUpdater updater = new MDocUpdater();
+
+        [Test]
+        public void Test_GetCustomAttributes_IgnoredObsoleteAttribute()
+        {
+            TypeDefinition testType = GetType(typeof(MDocUpdaterTests).Module.FullyQualifiedName, "System.Span`1");
+            Collection<CustomAttribute> attributes = testType.CustomAttributes;
+
+            IEnumerable<string> customAttributes = updater.GetCustomAttributes(attributes, "");
+
+            Assert.AreEqual(1, attributes.Count);
+            Assert.IsEmpty(customAttributes);
+        }
+    }
+}
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