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// This file is part of Substrate.

// Copyright (C) Parity Technologies (UK) Ltd.
// SPDX-License-Identifier: Apache-2.0

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// 	http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

//! Timestamp pallet benchmarking.

#![cfg(feature = "runtime-benchmarks")]

use frame_benchmarking::{benchmarking::add_to_whitelist, v2::*};
use frame_support::traits::OnFinalize;
use frame_system::RawOrigin;
use sp_storage::TrackedStorageKey;

use crate::*;

const MAX_TIME: u32 = 100;

#[benchmarks]
mod benchmarks {
	use super::*;

	#[benchmark]
	fn set() {
		let t = MAX_TIME;
		// Ignore write to `DidUpdate` since it transient.
		let did_update_key = DidUpdate::<T>::hashed_key().to_vec();
		add_to_whitelist(TrackedStorageKey {
			key: did_update_key,
			reads: 0,
			writes: 1,
			whitelisted: false,
		});

		#[extrinsic_call]
		_(RawOrigin::None, t.into());

		assert_eq!(Now::<T>::get(), t.into(), "Time was not set.");
	}

	#[benchmark]
	fn on_finalize() {
		let t = MAX_TIME;
		Pallet::<T>::set(RawOrigin::None.into(), t.into()).unwrap();
		assert!(DidUpdate::<T>::exists(), "Time was not set.");

		// Ignore read/write to `DidUpdate` since it is transient.
		let did_update_key = DidUpdate::<T>::hashed_key().to_vec();
		add_to_whitelist(did_update_key.into());

		#[block]
		{
			Pallet::<T>::on_finalize(t.into());
		}

		assert!(!DidUpdate::<T>::exists(), "Time was not removed.");
	}

	impl_benchmark_test_suite! {
		Pallet,
		mock::new_test_ext(),
		mock::Test
	}
}