[Debugger] Added unit tests for bug #26423

2 files changed, 19 insertions, 0 deletions

diff --git a/main/src/addins/MonoDevelop.Debugger/MonoDevelop.Debugger.Tests.TestApp/TestEvaluation.cs b/main/src/addins/MonoDevelop.Debugger/MonoDevelop.Debugger.Tests.TestApp/TestEvaluation.cs
index 00f9666e20..dbf10a478c 100644
--- a/main/src/addins/MonoDevelop.Debugger/MonoDevelop.Debugger.Tests.TestApp/TestEvaluation.cs
+++ b/main/src/addins/MonoDevelop.Debugger/MonoDevelop.Debugger.Tests.TestApp/TestEvaluation.cs
@@ -132,6 +132,9 @@ namespace MonoDevelop.Debugger.Tests.TestApp
 
 			var objWithMethodA = new ClassWithMethodA ();
 
+			bool? nullableBool = null;
+			nullableBool = true;
+
 			var richObject = new RichClass ();
 			byte[] nulledByteArray = null;
 
diff --git a/main/src/addins/MonoDevelop.Debugger/MonoDevelop.Debugger.Tests/EvaluationTests.cs b/main/src/addins/MonoDevelop.Debugger/MonoDevelop.Debugger.Tests/EvaluationTests.cs
index f2fa475828..f73a3b070c 100644
--- a/main/src/addins/MonoDevelop.Debugger/MonoDevelop.Debugger.Tests/EvaluationTests.cs
+++ b/main/src/addins/MonoDevelop.Debugger/MonoDevelop.Debugger.Tests/EvaluationTests.cs
@@ -703,6 +703,22 @@ namespace MonoDevelop.Debugger.Tests
 		}
 
 		[Test]
+		public void NullableEquality ()
+		{
+			var val = Eval ("nullableBool == null");
+			Assert.AreEqual ("false", val.Value);
+
+			val = Eval ("nullableBool != null");
+			Assert.AreEqual ("true", val.Value);
+
+			val = Eval ("nullableBool != false");
+			Assert.AreEqual ("true", val.Value);
+
+			val = Eval ("nullableBool == true");
+			Assert.AreEqual ("true", val.Value);
+		}
+
+		[Test]
 		public void ConditionalExpression ()
 		{
 			ObjectValue val = Eval ("true ? \"yes\" : \"no\"");