Add AI tests for recent changes

Author: GrahamTheCoder

Tests/CSharp/MemberTests/MemberTests.cs

@@ -1147,6 +1147,50 @@ public async static Task ThenExit<T>(this Task<T> task, Func<T, Task> f)
 }");
     }
 
+    [Fact]
+    public async Task TestAsyncFunctionExitReturnsDefaultAsync()
+    {
+        await TestConversionVisualBasicToCSharpAsync(
+            @"Imports System.Threading.Tasks
+
+Class AsyncExit
+    Public Async Function AsyncFuncExit() As Task(Of Integer)
+        Await Task.Delay(1)
+        Exit Function
+    End Function
+End Class", @"using System.Threading.Tasks;
+
+internal partial class AsyncExit
+{
+    public async Task<int> AsyncFuncExit()
+    {
+        await Task.Delay(1);
+        return default;
+    }
+}");
+    }
+
+    [Fact]
+    public async Task TestAsyncTaskFunctionNoImplicitReturnAsync()
+    {
+        await TestConversionVisualBasicToCSharpAsync(
+            @"Imports System.Threading.Tasks
+
+Class AsyncNoReturn
+    Public Async Function DoAsync() As Task
+        Await Task.Delay(1)
+    End Function
+End Class", @"using System.Threading.Tasks;
+
+internal partial class AsyncNoReturn
+{
+    public async Task DoAsync()
+    {
+        await Task.Delay(1);
+    }
+}");
+    }
+
     [Fact]
     public async Task TestExternDllImportAsync()
     {

Tests/CSharp/MemberTests/PropertyMemberTests.cs

@@ -68,6 +68,62 @@ public int Test3
 BC30124: Property without a 'ReadOnly' or 'WriteOnly' specifier must provide both a 'Get' and a 'Set'.");
     }
 
+    [Fact]
+    public async Task TestWriteOnlyPropertyExitAsync()
+    {
+        await TestConversionVisualBasicToCSharpAsync(
+            @"Class TestClass
+    Private m_value As Integer
+
+    Public WriteOnly Property Value As Integer
+        Set(ByVal value As Integer)
+            If value = 0 Then Exit Property
+            m_value = value
+        End Set
+    End Property
+End Class", @"
+internal partial class TestClass
+{
+    private int m_value;
+
+    public int Value
+    {
+        set
+        {
+            if (value == 0)
+                return;
+            m_value = value;
+        }
+    }
+}");
+    }
+
+    [Fact]
+    public async Task TestExitPropertyInTaskReturningGetterAsync()
+    {
+        await TestConversionVisualBasicToCSharpAsync(
+            @"Imports System.Threading.Tasks
+
+Class TestClass
+    Public ReadOnly Property Value As Task(Of Integer)
+        Get
+            Exit Property
+        End Get
+    End Property
+End Class", @"using System.Threading.Tasks;
+
+internal partial class TestClass
+{
+    public Task<int> Value
+    {
+        get
+        {
+            return default;
+        }
+    }
+}");
+    }
+
     [Fact]
     public async Task TestParameterizedPropertyAsync()
     {