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Source/Tools/FlaxEngine.Tests/TestSerialization.cs

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+// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
+
+using System;
+using FlaxEngine.Json;
+using NUnit.Framework;
+
+namespace FlaxEngine.Tests
+{
+    /// <summary>
+    /// Tests for <see cref="JsonSerializer"/>.
+    /// </summary>
+    [TestFixture]
+    public class TestSerialization
+    {
+        public class ObjectOne
+        {
+            public float MyValue;
+            public Vector2 MyVector;
+            public int[] MyArray;
+        }
+
+        /// <summary>
+        /// Test object ID serialization to and from string.
+        /// </summary>
+        [Test]
+        public void TestConvertID()
+        {
+            var id1 = new Guid(11, 22, 33, 44, 55, 66, 77, 88, 99, 0, 1);
+            string id1Str = JsonSerializer.GetStringID(id1);
+
+            Assert.AreEqual("0000000b002100164d42372c01006358", id1Str);
+
+            JsonSerializer.ParseID(id1Str, out var id1Tmp);
+            Assert.AreEqual(id1, id1Tmp);
+        }
+
+        public static string FilterLineBreak(string str)
+        {
+            return str.Replace("\r", "");
+        }
+
+        /// <summary>
+        /// Test object serialization to JSON.
+        /// </summary>
+        [Test]
+        public void TestSerialize()
+        {
+            ObjectOne obj = new ObjectOne();
+
+            Assert.AreEqual("{\n\t\"MyValue\": 0.0,\n\t\"MyVector\": {\n\t\t\"X\": 0.0,\n\t\t\"Y\": 0.0\n\t}\n}", FilterLineBreak(JsonSerializer.Serialize(obj)));
+
+            obj.MyValue = 1.2f;
+
+            Assert.AreEqual("{\n\t\"MyValue\": 1.2,\n\t\"MyVector\": {\n\t\t\"X\": 0.0,\n\t\t\"Y\": 0.0\n\t}\n}", FilterLineBreak(JsonSerializer.Serialize(obj)));
+
+            obj.MyVector.Y = 2.0f;
+
+            Assert.AreEqual("{\n\t\"MyValue\": 1.2,\n\t\"MyVector\": {\n\t\t\"X\": 0.0,\n\t\t\"Y\": 2.0\n\t}\n}", FilterLineBreak(JsonSerializer.Serialize(obj)));
+
+            obj.MyArray = new[]
+            {
+                1,
+                2,
+                3,
+                4
+            };
+
+            Assert.AreEqual("{\n\t\"MyValue\": 1.2,\n\t\"MyVector\": {\n\t\t\"X\": 0.0,\n\t\t\"Y\": 2.0\n\t},\n\t\"MyArray\": [\n\t\t1,\n\t\t2,\n\t\t3,\n\t\t4\n\t]\n}", FilterLineBreak(JsonSerializer.Serialize(obj)));
+        }
+
+        /// <summary>
+        /// Test object deserialization from JSON.
+        /// </summary>
+        [Test]
+        public void TestDeserialize()
+        {
+            ObjectOne obj = new ObjectOne();
+
+            JsonSerializer.Deserialize(obj, "{\n\t\"MyValue\": 0.0,\n\t\"MyVector\": {\n\t\t\"X\": 0.0,\n\t\t\"Y\": 0.0\n\t}\n}");
+
+            Assert.AreEqual(0.0f, obj.MyValue);
+            Assert.AreEqual(Vector2.Zero, obj.MyVector);
+            Assert.IsNull(obj.MyArray);
+
+            JsonSerializer.Deserialize(obj, "{\n\t\"MyValue\": 1.2,\n\t\"MyVector\": {\n\t\t\"X\": 0.0,\n\t\t\"Y\": 0.0\n\t}\n}");
+
+            Assert.AreEqual(1.2f, obj.MyValue);
+            Assert.AreEqual(Vector2.Zero, obj.MyVector);
+            Assert.IsNull(obj.MyArray);
+
+            JsonSerializer.Deserialize(obj, "{\n\t\"MyValue\": 1.2,\n\t\"MyVector\": {\n\t\t\"X\": 0.0,\n\t\t\"Y\": 2.0\n\t}\n}");
+
+            Assert.AreEqual(1.2f, obj.MyValue);
+            Assert.AreEqual(new Vector2(0.0f, 2.0f), obj.MyVector);
+            Assert.IsNull(obj.MyArray);
+
+            JsonSerializer.Deserialize(obj, "{\n\t\"MyValue\": 1.2,\n\t\"MyVector\": {\n\t\t\"X\": 0.0,\n\t\t\"Y\": 2.0\n\t},\n\t\"MyArray\": [\n\t\t1,\n\t\t2,\n\t\t3,\n\t\t4\n\t]\n}");
+
+            Assert.AreEqual(1.2f, obj.MyValue);
+            Assert.AreEqual(new Vector2(0.0f, 2.0f), obj.MyVector);
+            Assert.IsNotNull(obj.MyArray);
+            Assert.IsTrue(Utils.ArraysEqual(obj.MyArray, new[]
+            {
+                1,
+                2,
+                3,
+                4
+            }));
+        }
+
+        /// <summary>
+        /// Test object diff serialization to JSON.
+        /// </summary>
+        [Test]
+        public void TestSerializeDiff()
+        {
+            ObjectOne obj = new ObjectOne();
+            ObjectOne other = new ObjectOne();
+
+            Assert.AreEqual("{}", JsonSerializer.SerializeDiff(obj, other));
+
+            obj.MyValue = 2.0f;
+
+            Assert.AreEqual("{\n\t\"MyValue\": 2.0\n}", FilterLineBreak(JsonSerializer.SerializeDiff(obj, other)));
+
+            obj.MyValue = 2.0f;
+            other.MyValue = 2.0f;
+
+            Assert.AreEqual("{}", JsonSerializer.SerializeDiff(obj, other));
+
+            other.MyArray = new[] { 1 };
+
+            Assert.AreEqual("{\n\t\"MyArray\": null\n}", FilterLineBreak(JsonSerializer.SerializeDiff(obj, other)));
+
+            obj.MyArray = other.MyArray;
+
+            Assert.AreEqual("{}", JsonSerializer.SerializeDiff(obj, other));
+
+            obj.MyArray = new[] { 1 };
+
+            Assert.AreEqual("{}", JsonSerializer.SerializeDiff(obj, other));
+
+            obj.MyArray = new[] { 2 };
+
+            Assert.AreEqual("{\n\t\"MyArray\": [\n\t\t2\n\t]\n}", FilterLineBreak(JsonSerializer.SerializeDiff(obj, other)));
+
+            other.MyArray = null;
+
+            Assert.AreEqual("{\n\t\"MyArray\": [\n\t\t2\n\t]\n}", FilterLineBreak(JsonSerializer.SerializeDiff(obj, other)));
+        }
+    }
+}