System.Reflection.Tests.TypeInfo_FindInterfaces.FindInterfaces C# (CSharp) Method

        public static void FindInterfaces()
        {
            Type[] interfaces = typeof(ClassWithNoItfImpl).GetTypeInfo().FindInterfaces((Type t, object c) => true, "notused");

            Assert.Equal(0, interfaces.Length);
            interfaces = typeof(ClassWithSingleItfImpl).GetTypeInfo().FindInterfaces((Type t, object c) => true, "notused");
            Assert.Equal(1, interfaces.Length);
            Assert.Equal("IFace1", interfaces[0].Name);

            interfaces = typeof(ClassWithSingleItfImpl).GetTypeInfo().FindInterfaces((Type t, object c) => t.Name.Equals(c), "IFace1");
            Assert.Equal(1, interfaces.Length);
            Assert.Equal("IFace1", interfaces[0].Name);

            interfaces = typeof(ClassWithMultipleItfImpl).GetTypeInfo().FindInterfaces((Type t, object c) => true, "notused");
            Assert.Equal(2, interfaces.Length);
            Assert.True(interfaces.All(m => m.Name.Contains("IFace")));

            interfaces = typeof(ClassWithMultipleItfImpl).GetTypeInfo().FindInterfaces((Type t, object c) => t.Name.Contains(c.ToString()), "IFace");
            Assert.Equal(2, interfaces.Length);
            Assert.True(interfaces.All(m => m.Name.Contains("IFace")));

            interfaces = typeof(ClassWithItfImplInHierarchy).GetTypeInfo().FindInterfaces((Type t, object c) => true, "notused");
            Assert.Equal(1, interfaces.Length);
            Assert.Equal("IFace1", interfaces[0].Name);

            interfaces = typeof(ClassWithItfImplInHierarchy).GetTypeInfo().FindInterfaces((Type t, object c) => t.Name.Contains(c.ToString()), "IFace");
            Assert.Equal(1, interfaces.Length);
            Assert.Equal("IFace1", interfaces[0].Name);

            interfaces = typeof(ClassWithDirectAndInHierarchyItfImpl).GetTypeInfo().FindInterfaces((Type t, object c) => true, "notused");
            Assert.Equal(3, interfaces.Length);
            Assert.True(interfaces.All(m => m.Name.Contains("IFace")));

            interfaces = typeof(ClassWithDirectAndInHierarchyItfImpl).GetTypeInfo().FindInterfaces((Type t, object c) => t.Name.Contains(c.ToString()), "IFace");
            Assert.Equal(3, interfaces.Length);
            Assert.True(interfaces.All(m => m.Name.Contains("IFace")));

            interfaces = typeof(ClassWithDirectAndInHierarchyItfImpl).GetTypeInfo().FindInterfaces((Type t, object c) => t.Name.Contains(c.ToString()), "IFace1");
            Assert.Equal(1, interfaces.Length);
            Assert.Equal("IFace1", interfaces[0].Name);
        }