fix test case for .net9

Author: yanghuan

test/BridgeNetTests/Batch1/Batch1.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <Version>1.1.0</Version>
   </PropertyGroup>
 

test/BridgeNetTests/Batch1/src/SimpleTypes/ByteTests.cs

@@ -160,7 +160,8 @@ public void TryParseWorks_SPI_1592()
             Assert.False(result);
             Assert.AreEqual(0, numberResult);
 
-            result = byte.TryParse(null, out numberResult);
+            string nullStr = null;
+            result = byte.TryParse(nullStr, out numberResult);
             Assert.False(result);
             Assert.AreEqual(0, numberResult);
 

test/BridgeNetTests/Batch1/src/SimpleTypes/Int16Tests.cs

@@ -160,7 +160,8 @@ public void TryParseWorks_SPI_1592()
             Assert.False(result);
             Assert.AreEqual(0, numberResult);
 
-            result = short.TryParse(null, out numberResult);
+            string nullStr = null;
+            result = short.TryParse(nullStr, out numberResult);
             Assert.False(result);
             Assert.AreEqual(0, numberResult);
 

test/BridgeNetTests/Batch1/src/SimpleTypes/Int32Tests.cs

@@ -203,7 +203,8 @@ public void TryParseWorks()
             Assert.False(result);
             Assert.AreEqual(0, numberResult);
 
-            result = int.TryParse(null, out numberResult);
+            string nullStr = null;
+            result = int.TryParse(nullStr, out numberResult);
             Assert.False(result);
             Assert.AreEqual(0, numberResult);
 

test/BridgeNetTests/Batch1/src/SimpleTypes/Int64Tests.cs

@@ -226,7 +226,8 @@ public void TryParseWorks()
             Assert.False(result);
             Assert.AreEqual(0L, numberResult);
 
-            result = long.TryParse(null, out numberResult);
+            string nullStr = null;
+            result = long.TryParse(nullStr, out numberResult);
             Assert.False(result);
             Assert.AreEqual(0L, numberResult);
 

test/BridgeNetTests/Batch1/src/SimpleTypes/SByteTests.cs

@@ -164,7 +164,8 @@ public void TryParseWorks_SPI_1592()
             Assert.False(result);
             Assert.AreEqual(0, numberResult);
 
-            result = sbyte.TryParse(null, out numberResult);
+            string nullStr = null;
+            result = sbyte.TryParse(nullStr, out numberResult);
             Assert.False(result);
             Assert.AreEqual(0, numberResult);
 

test/BridgeNetTests/Batch1/src/SimpleTypes/UInt16Tests.cs

@@ -160,7 +160,8 @@ public void TryParseWorks_SPI_1592()
             Assert.False(result);
             Assert.AreEqual(0, numberResult);
 
-            result = ushort.TryParse(null, out numberResult);
+            string nullStr = null;
+            result = ushort.TryParse(nullStr, out numberResult);
             Assert.False(result);
             Assert.AreEqual(0, numberResult);
 

test/BridgeNetTests/Batch1/src/SimpleTypes/UInt32Tests.cs

@@ -160,7 +160,8 @@ public void TryParseWorks_SPI_1592()
             Assert.False(result);
             Assert.AreEqual(0, numberResult);
 
-            result = uint.TryParse(null, out numberResult);
+            string nullStr = null;
+            result = uint.TryParse(nullStr, out numberResult);
             Assert.False(result);
             Assert.AreEqual(0, numberResult);
 

test/BridgeNetTests/Batch1/src/SimpleTypes/UInt64Tests.cs

@@ -249,7 +249,8 @@ public void TryParseWorks()
             Assert.False(result);
             Assert.AreEqual(0UL, numberResult);
 
-            result = ulong.TryParse(null, out numberResult);
+            string nullStr = null;
+            result = ulong.TryParse(nullStr, out numberResult);
             Assert.False(result);
             Assert.AreEqual(0UL, numberResult);
 

test/BridgeNetTests/BridgeAttributes/BridgeAttributes.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <Version>1.1.0</Version>
   </PropertyGroup>