add DeliveryModes convenience class

change NonPersistent const name in DeliveryModes to Transient

Author: Jalal Amini Robati

projects/RabbitMQ.Client/client/api/DeliveryModes.cs

@@ -0,0 +1,49 @@
+// This source code is dual-licensed under the Apache License, version
+// 2.0, and the Mozilla Public License, version 2.0.
+//
+// The APL v2.0:
+//
+//---------------------------------------------------------------------------
+//   Copyright (c) 2007-2020 VMware, Inc.
+//
+//   Licensed under the Apache License, Version 2.0 (the "License");
+//   you may not use this file except in compliance with the License.
+//   You may obtain a copy of the License at
+//
+//       https://www.apache.org/licenses/LICENSE-2.0
+//
+//   Unless required by applicable law or agreed to in writing, software
+//   distributed under the License is distributed on an "AS IS" BASIS,
+//   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//   See the License for the specific language governing permissions and
+//   limitations under the License.
+//---------------------------------------------------------------------------
+//
+// The MPL v2.0:
+//
+//---------------------------------------------------------------------------
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at https://mozilla.org/MPL/2.0/.
+//
+//  Copyright (c) 2007-2020 VMware, Inc.  All rights reserved.
+//---------------------------------------------------------------------------
+
+namespace RabbitMQ.Client
+{
+    /// <summary>
+    /// Convenience class providing compile-time names for persistent modes.
+    /// </summary>
+    public static class DeliveryModes
+    {
+        /// <summary>
+        /// Value for transient delivery mode (not durable).
+        /// </summary>
+        public const byte Transient = 1;
+
+        /// <summary>
+        /// Value for persistent delivery mode (durable).
+        /// </summary>
+        public const byte Persistent = 2;
+    }
+}

projects/Unit/TestBasicProperties.cs

@@ -48,7 +48,7 @@ public void TestPersistentPropertyChangesDeliveryMode_PersistentTrueDelivery2()
             };
 
             // Assert
-            Assert.Equal(2, subject.DeliveryMode);
+            Assert.Equal(DeliveryModes.Persistent, subject.DeliveryMode);
             Assert.True(subject.Persistent);
 
             Span<byte> span = new byte[1024];
@@ -79,7 +79,7 @@ public void TestPersistentPropertyChangesDeliveryMode_PersistentFalseDelivery1()
             };
 
             // Assert
-            Assert.Equal(1, subject.DeliveryMode);
+            Assert.Equal(DeliveryModes.Transient, subject.DeliveryMode);
             Assert.False(subject.Persistent);
 
             Span<byte> span = new byte[1024];

projects/Unit/TestContentHeaderCodec.cs

@@ -84,7 +84,7 @@ public void TestFullProperties()
                     ContentEncoding = "C",
                     ClusterId = "D",
                     CorrelationId = "E",
-                    DeliveryMode = 1,
+                    DeliveryMode = DeliveryModes.Transient,
                     Expiration = "F",
                     MessageId = "G",
                     Priority = 2,