Added test for auto property; crashes in ves_icall_RuntimePropertyInfo_get_property_info

Author: lambdageek

src/libraries/System.Runtime.Loader/tests/ApplyUpdate/System.Reflection.Metadata.ApplyUpdate.Test.AddInstanceField/AddInstanceField.cs

@@ -31,5 +31,6 @@ public void IncRefDouble (ref double d)
             d += 1.0;
         }
 
+        public string GetStringProp => string.Empty;
     }
 }

src/libraries/System.Runtime.Loader/tests/ApplyUpdate/System.Reflection.Metadata.ApplyUpdate.Test.AddInstanceField/AddInstanceField_v1.cs

@@ -17,6 +17,8 @@ public AddInstanceField () {
             // a little bit ldflda testing
             IncRefDouble (ref NewStructField.D);
             IncRefDouble (ref _doubleField2);
+
+            AddedStringAutoProp = "abcd";
         }
 
         public void IncRefDouble (ref double d)
@@ -40,6 +42,7 @@ public void TestMethod () {
             _stringField2 = "4567";
             _doubleField = 2.71828;
             _doubleField2 = 0.707106;
+            AddedStringAutoProp = AddedStringAutoProp + "Test";
         }
 
         public int GetIntArrayLength() => _intArrayFieldWithInit2?.Length ?? -1;
@@ -52,5 +55,11 @@ public struct NewStruct
         }
 
         public NewStruct NewStructField;
+
+        public string GetStringProp => AddedStringAutoProp;
+
+        public string AddedStringAutoProp { get; set; }
+
+
     }
 }

src/libraries/System.Runtime.Loader/tests/ApplyUpdateTest.cs

@@ -369,6 +369,18 @@ public static void TestAddInstanceField()
                 Assert.Equal (32768.2, x2.GetDoubleField);
                 Assert.Equal ((object)32768.2, fi.GetValueDirect (tr));
 
+                Assert.Equal("abcd", x2.GetStringProp);
+
+                var propInfo = x2.GetType().GetProperty("AddedStringAutoProp", BindingFlags.Public | BindingFlags.Instance);
+
+                Assert.NotNull(propInfo);
+                Assert.Equal("abcd", propInfo.GetMethod.Invoke (x2, new object[] {}));
+
+                x2.TestMethod();
+
+                Assert.Equal("abcdTest", x2.GetStringProp);
+
+
             });
         }