public async Task Test_Create_Add_AllowedCustomGrantTypesByClientIdAsync()
{
var adminStore = new IdentityServer3AdminStore();
var insert = await CassandraTestHelper.InsertTestData_Clients(1);
var result = await adminStore.FindClientByIdAsync(insert[0].ClientId);
Assert.IsNotNull(result);
var originalAllowedCustomGrantTypes = result.AllowedCustomGrantTypes;
Assert.AreEqual(insert[0].ClientName, result.ClientName);
List <string> newAllowedCustomGrantTypes = new List <string>()
{
Guid.NewGuid().ToString()
};
var finalList = new List <string>();
finalList.AddRange(originalAllowedCustomGrantTypes);
finalList.AddRange(newAllowedCustomGrantTypes);
await adminStore.AddAllowedCustomGrantTypesToClientAsync(insert[0].ClientId, newAllowedCustomGrantTypes);
result = await adminStore.FindClientByIdAsync(insert[0].ClientId);
Assert.IsNotNull(result);
Assert.AreEqual(result.AllowedCustomGrantTypes.Count(), finalList.Count);
var ff = result.AllowedCustomGrantTypes.Except(finalList);
Assert.IsFalse(ff.Any());
}