Add GetMethod(string,int,BindingFlags,Type[]) (#238)

apiCount.include.md

@@ -1 +1 @@
-**API count: 366**
+**API count: 367**

api_list.include.md

@@ -376,6 +376,7 @@
 
 #### Type
 
+ * `Reflection.MethodInfo GetMethod(String, Int32, Reflection.BindingFlags, Type[])` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.type.getmethod#system-type-getmethod(system-string-system-int32-system-reflection-bindingflags-system-type()))
  * `Boolean IsAssignableFrom<T>()`
  * `Boolean IsAssignableTo<T>()`
  * `Boolean IsAssignableTo(Type)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.type.isassignableto)

readme.md

@@ -12,7 +12,7 @@ The package targets `netstandard2.0` and is designed to support the following ru
  * `net5.0`, `net6.0`, `net7.0`, `net8.0`, `net9.0`
 
 
-**API count: 366**<!-- singleLineInclude: apiCount. path: /apiCount.include.md -->
+**API count: 367**<!-- singleLineInclude: apiCount. path: /apiCount.include.md -->
 
 
 **See [Milestones](../../milestones?state=closed) for release notes.**
@@ -829,6 +829,7 @@ The class `Polyfill` includes the following extension methods:
 
 #### Type
 
+ * `Reflection.MethodInfo GetMethod(String, Int32, Reflection.BindingFlags, Type[])` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.type.getmethod#system-type-getmethod(system-string-system-int32-system-reflection-bindingflags-system-type()))
  * `Boolean IsAssignableFrom<T>()`
  * `Boolean IsAssignableTo<T>()`
  * `Boolean IsAssignableTo(Type)` [reference](https://learn.microsoft.com/en-us/dotnet/api/system.type.isassignableto)

src/Consume/Consume.cs

@@ -200,6 +200,21 @@ async Task CancellationTokenSource_Methods()
         await source.CancelAsync();
     }
 
+
+#if !NETFRAMEWORK && !NETSTANDARD2_0 && !NETCOREAPP2_0
+    class WithGenericMethod
+    {
+        public void GenericMethod<T>(string value)
+        {
+        }
+    }
+
+    void Type_GetMethod()
+    {
+        var type = typeof(WithGenericMethod);
+        type.GetMethod("GenericMethod", 1, BindingFlags.Public, [typeof(string)]);
+    }
+#endif
     void ConcurrentDictionary_Methods()
     {
         var dict = new ConcurrentDictionary<string, int>();

src/Polyfill/Polyfill_Type.cs

@@ -1,4 +1,7 @@
 // <auto-generated />
+
+using System.Linq;
+
 #pragma warning disable
 
 namespace Polyfills;
@@ -17,6 +20,13 @@ public static bool HasSameMetadataDefinitionAs(this MemberInfo target, MemberInf
         target.Module.Equals(other.Module);
 #endif
 
+#if !NET9_0_OR_GREATER && !NETFRAMEWORK && !NETSTANDARD2_0 && !NETCOREAPP2_0
+    [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicMethods | DynamicallyAccessedMemberTypes.NonPublicMethods)]
+    [Link("https://learn.microsoft.com/en-us/dotnet/api/system.type.getmethod#system-type-getmethod(system-string-system-int32-system-reflection-bindingflags-system-type())")]
+    public static MethodInfo? GetMethod(this Type target, string name, int genericParameterCount, BindingFlags bindingAttr, Type[] types) =>
+        target.GetMethod(name, genericParameterCount, bindingAttr, null, types, null);
+#endif
+
     /// <summary>
     /// Gets a value that indicates whether the current Type represents a type parameter in the definition of a generic method.
     /// </summary>

src/Tests/PolyfillTests_Type.cs

@@ -16,4 +16,32 @@ public void IsAssignableFrom()
         Assert.True(typeof(IList).IsAssignableFrom<List<string>>());
         Assert.False(typeof(string).IsAssignableFrom<List<string>>());
     }
+
+    public class WithGenericMethod
+    {
+        public void Method<T>(string value)
+        {
+        }
+        public void Method<T>()
+        {
+        }
+        public void Method<T, K>(string value)
+        {
+        }
+        public void Method<T>(string value1, string value2)
+        {
+        }
+    }
+
+#if !NETFRAMEWORK && !NETSTANDARD2_0 && !NETCOREAPP2_0
+    [Test]
+    public void Type_GetMethod()
+    {
+        var type = typeof(WithGenericMethod);
+        var method = type.GetMethod("Method", 1, BindingFlags.Public | BindingFlags.Instance, [typeof(string)])!;
+        Assert.AreEqual("Method", method.Name);
+        Assert.AreEqual(1, method.GetParameters().Length);
+        Assert.AreEqual(1, method.GetGenericArguments().Length);
+    }
+#endif
 }