git.delta.rocks / unique-network / refs/commits / 829f2bcebad6

1// Copyright 2019-2022 Unique Network (Gibraltar) Ltd.2// This file is part of Unique Network.34// Unique Network is free software: you can redistribute it and/or modify5// it under the terms of the GNU General Public License as published by6// the Free Software Foundation, either version 3 of the License, or7// (at your option) any later version.89// Unique Network is distributed in the hope that it will be useful,10// but WITHOUT ANY WARRANTY; without even the implied warranty of11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the12// GNU General Public License for more details.1314// You should have received a copy of the GNU General Public License15// along with Unique Network. If not, see <http://www.gnu.org/licenses/>.1617// Original license:18// This file is part of Substrate.1920// Copyright (C) 2017-2022 Parity Technologies (UK) Ltd.21// SPDX-License-Identifier: Apache-2.02223// Licensed under the Apache License, Version 2.0 (the "License");24// you may not use this file except in compliance with the License.25// You may obtain a copy of the License at26//27// 	http://www.apache.org/licenses/LICENSE-2.028//29// Unless required by applicable law or agreed to in writing, software30// distributed under the License is distributed on an "AS IS" BASIS,31// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.32// See the License for the specific language governing permissions and33// limitations under the License.3435//! # Scheduler tests.3637use super::*;38use crate::mock::{39	logger, new_test_ext, root, run_to_block, LoggerCall, RuntimeCall, Scheduler, Test, *,40};41use frame_support::{42	assert_noop, assert_ok,43	traits::{Contains, GetStorageVersion, OnInitialize},44	Hashable,45};4647#[test]48fn basic_scheduling_works() {49	new_test_ext().execute_with(|| {50		let call =51			RuntimeCall::Logger(LoggerCall::log { i: 42, weight: Weight::from_ref_time(10) });52		assert!(!<Test as frame_system::Config>::BaseCallFilter::contains(&call));53		assert_ok!(Scheduler::do_schedule(54			DispatchTime::At(4),55			None,56			127,57			root(),58            <ScheduledCall<Test>>::new(call).unwrap(),59		));60		run_to_block(3);61		assert!(logger::log().is_empty());62		run_to_block(4);63		assert_eq!(logger::log(), vec![(root(), 42u32)]);64		run_to_block(100);65		assert_eq!(logger::log(), vec![(root(), 42u32)]);66	});67}6869#[test]70fn schedule_after_works() {71	new_test_ext().execute_with(|| {72		run_to_block(2);73		let call =74			RuntimeCall::Logger(LoggerCall::log { i: 42, weight: Weight::from_ref_time(10) });75		assert!(!<Test as frame_system::Config>::BaseCallFilter::contains(&call));76		// This will schedule the call 3 blocks after the next block... so block 3 + 3 = 677		assert_ok!(Scheduler::do_schedule(78			DispatchTime::After(3),79			None,80			127,81			root(),82			<ScheduledCall<Test>>::new(call).unwrap(),83		));84		run_to_block(5);85		assert!(logger::log().is_empty());86		run_to_block(6);87		assert_eq!(logger::log(), vec![(root(), 42u32)]);88		run_to_block(100);89		assert_eq!(logger::log(), vec![(root(), 42u32)]);90	});91}9293#[test]94fn schedule_after_zero_works() {95	new_test_ext().execute_with(|| {96		run_to_block(2);97		let call =98			RuntimeCall::Logger(LoggerCall::log { i: 42, weight: Weight::from_ref_time(10) });99		assert!(!<Test as frame_system::Config>::BaseCallFilter::contains(&call));100		assert_ok!(Scheduler::do_schedule(101			DispatchTime::After(0),102			None,103			127,104			root(),105			<ScheduledCall<Test>>::new(call).unwrap(),106		));107		// Will trigger on the next block.108		run_to_block(3);109		assert_eq!(logger::log(), vec![(root(), 42u32)]);110		run_to_block(100);111		assert_eq!(logger::log(), vec![(root(), 42u32)]);112	});113}114115#[test]116fn periodic_scheduling_works() {117	new_test_ext().execute_with(|| {118		// at #4, every 3 blocks, 3 times.119		assert_ok!(Scheduler::do_schedule(120			DispatchTime::At(4),121			Some((3, 3)),122			127,123			root(),124            <ScheduledCall<Test>>::new(RuntimeCall::Logger(logger::Call::log {125				i: 42,126				weight: Weight::from_ref_time(10)127			}))128			.unwrap()129		));130		run_to_block(3);131		assert!(logger::log().is_empty());132		run_to_block(4);133		assert_eq!(logger::log(), vec![(root(), 42u32)]);134		run_to_block(6);135		assert_eq!(logger::log(), vec![(root(), 42u32)]);136		run_to_block(7);137		assert_eq!(logger::log(), vec![(root(), 42u32), (root(), 42u32)]);138		run_to_block(9);139		assert_eq!(logger::log(), vec![(root(), 42u32), (root(), 42u32)]);140		run_to_block(10);141		assert_eq!(logger::log(), vec![(root(), 42u32), (root(), 42u32), (root(), 42u32)]);142		run_to_block(100);143		assert_eq!(logger::log(), vec![(root(), 42u32), (root(), 42u32), (root(), 42u32)]);144	});145}146147#[test]148fn cancel_named_scheduling_works_with_normal_cancel() {149	new_test_ext().execute_with(|| {150		// at #4.151		Scheduler::do_schedule_named(152			[1u8; 32],153			DispatchTime::At(4),154			None,155			127,156			root(),157			<ScheduledCall<Test>>::new(RuntimeCall::Logger(LoggerCall::log {158				i: 69,159				weight: Weight::from_ref_time(10),160			}))161			.unwrap(),162		)163		.unwrap();164		let i = Scheduler::do_schedule(165			DispatchTime::At(4),166			None,167			127,168			root(),169			<ScheduledCall<Test>>::new(RuntimeCall::Logger(LoggerCall::log {170				i: 42,171				weight: Weight::from_ref_time(10),172			}))173			.unwrap(),174		)175		.unwrap();176		run_to_block(3);177		assert!(logger::log().is_empty());178		assert_ok!(Scheduler::do_cancel_named(None, [1u8; 32]));179		assert_ok!(Scheduler::do_cancel(None, i));180		run_to_block(100);181		assert!(logger::log().is_empty());182	});183}184185#[test]186fn cancel_named_periodic_scheduling_works() {187	new_test_ext().execute_with(|| {188		// at #4, every 3 blocks, 3 times.189		Scheduler::do_schedule_named(190			[1u8; 32],191			DispatchTime::At(4),192			Some((3, 3)),193			127,194			root(),195			<ScheduledCall<Test>>::new(RuntimeCall::Logger(LoggerCall::log {196				i: 42,197				weight: Weight::from_ref_time(10),198			}))199			.unwrap(),200		)201		.unwrap();202		// same id results in error.203		assert!(Scheduler::do_schedule_named(204			[1u8; 32],205			DispatchTime::At(4),206			None,207			127,208			root(),209			<ScheduledCall<Test>>::new(RuntimeCall::Logger(LoggerCall::log {210				i: 69,211				weight: Weight::from_ref_time(10)212			}))213			.unwrap(),214		)215		.is_err());216		// different id is ok.217		Scheduler::do_schedule_named(218			[2u8; 32],219			DispatchTime::At(8),220			None,221			127,222			root(),223			<ScheduledCall<Test>>::new(RuntimeCall::Logger(LoggerCall::log {224				i: 69,225				weight: Weight::from_ref_time(10),226			}))227			.unwrap(),228		)229		.unwrap();230		run_to_block(3);231		assert!(logger::log().is_empty());232		run_to_block(4);233		assert_eq!(logger::log(), vec![(root(), 42u32)]);234		run_to_block(6);235		assert_ok!(Scheduler::do_cancel_named(None, [1u8; 32]));236		run_to_block(100);237		assert_eq!(logger::log(), vec![(root(), 42u32), (root(), 69u32)]);238	});239}240241#[test]242fn scheduler_respects_weight_limits() {243	let max_weight: Weight = <Test as Config>::MaximumWeight::get();244	new_test_ext().execute_with(|| {245		let call = RuntimeCall::Logger(LoggerCall::log { i: 42, weight: max_weight / 3 * 2 });246		assert_ok!(Scheduler::do_schedule(247			DispatchTime::At(4),248			None,249			127,250			root(),251			<ScheduledCall<Test>>::new(call).unwrap(),252		));253		let call = RuntimeCall::Logger(LoggerCall::log { i: 69, weight: max_weight / 3 * 2 });254		assert_ok!(Scheduler::do_schedule(255			DispatchTime::At(4),256			None,257			127,258			root(),259			<ScheduledCall<Test>>::new(call).unwrap(),260		));261		// 69 and 42 do not fit together262		run_to_block(4);263		assert_eq!(logger::log(), vec![(root(), 42u32)]);264		run_to_block(5);265		assert_eq!(logger::log(), vec![(root(), 42u32), (root(), 69u32)]);266	});267}268269/// Permanently overweight calls are not deleted but also not executed.270#[test]271fn scheduler_does_not_delete_permanently_overweight_call() {272	let max_weight: Weight = <Test as Config>::MaximumWeight::get();273	new_test_ext().execute_with(|| {274		let call = RuntimeCall::Logger(LoggerCall::log { i: 42, weight: max_weight });275		assert_ok!(Scheduler::do_schedule(276			DispatchTime::At(4),277			None,278			127,279			root(),280			<ScheduledCall<Test>>::new(call).unwrap(),281		));282		// Never executes.283		run_to_block(100);284		assert_eq!(logger::log(), vec![]);285286		// Assert the `PermanentlyOverweight` event.287		assert_eq!(288			System::events().last().unwrap().event,289			crate::Event::PermanentlyOverweight { task: (4, 0), id: None }.into(),290		);291		// The call is still in the agenda.292		assert!(Agenda::<Test>::get(4)[0].is_some());293	});294}295296#[test]297fn scheduler_handles_periodic_failure() {298	let max_weight: Weight = <Test as Config>::MaximumWeight::get();299	let max_per_block = <Test as Config>::MaxScheduledPerBlock::get();300301	new_test_ext().execute_with(|| {302		let call = RuntimeCall::Logger(LoggerCall::log { i: 42, weight: (max_weight / 3) * 2 });303		let call = <ScheduledCall<Test>>::new(call).unwrap();304305		assert_ok!(Scheduler::do_schedule(306			DispatchTime::At(4),307			Some((4, u32::MAX)),308			127,309			root(),310			call.clone(),311		));312		// Executes 5 times till block 20.313		run_to_block(20);314		assert_eq!(logger::log().len(), 5);315316		// Block 28 will already be full.317		for _ in 0..max_per_block {318			assert_ok!(Scheduler::do_schedule(319				DispatchTime::At(28),320				None,321				120,322				root(),323				call.clone(),324			));325		}326327		// Going to block 24 will emit a `PeriodicFailed` event.328		run_to_block(24);329		assert_eq!(logger::log().len(), 6);330331		assert_eq!(332			System::events().last().unwrap().event,333			crate::Event::PeriodicFailed { task: (24, 0), id: None }.into(),334		);335	});336}337338#[test]339fn scheduler_respects_priority_ordering() {340	let max_weight: Weight = <Test as Config>::MaximumWeight::get();341	new_test_ext().execute_with(|| {342		let call = RuntimeCall::Logger(LoggerCall::log { i: 42, weight: max_weight / 3 });343		assert_ok!(Scheduler::do_schedule(344			DispatchTime::At(4),345			None,346			1,347			root(),348			<ScheduledCall<Test>>::new(call).unwrap(),349		));350		let call = RuntimeCall::Logger(LoggerCall::log { i: 69, weight: max_weight / 3 });351		assert_ok!(Scheduler::do_schedule(352			DispatchTime::At(4),353			None,354			0,355			root(),356			<ScheduledCall<Test>>::new(call).unwrap(),357		));358		run_to_block(4);359		assert_eq!(logger::log(), vec![(root(), 69u32), (root(), 42u32)]);360	});361}362363#[test]364fn scheduler_respects_priority_ordering_with_soft_deadlines() {365	new_test_ext().execute_with(|| {366		let max_weight: Weight = <Test as Config>::MaximumWeight::get();367		let call = RuntimeCall::Logger(LoggerCall::log { i: 42, weight: max_weight / 5 * 2 });368		assert_ok!(Scheduler::do_schedule(369			DispatchTime::At(4),370			None,371			255,372			root(),373			<ScheduledCall<Test>>::new(call).unwrap(),374		));375		let call = RuntimeCall::Logger(LoggerCall::log { i: 69, weight: max_weight / 5 * 2 });376		assert_ok!(Scheduler::do_schedule(377			DispatchTime::At(4),378			None,379			127,380			root(),381			<ScheduledCall<Test>>::new(call).unwrap(),382		));383		let call = RuntimeCall::Logger(LoggerCall::log { i: 2600, weight: max_weight / 5 * 4 });384		assert_ok!(Scheduler::do_schedule(385			DispatchTime::At(4),386			None,387			126,388			root(),389			<ScheduledCall<Test>>::new(call).unwrap(),390		));391392		// 2600 does not fit with 69 or 42, but has higher priority, so will go through393		run_to_block(4);394		assert_eq!(logger::log(), vec![(root(), 2600u32)]);395		// 69 and 42 fit together396		run_to_block(5);397		assert_eq!(logger::log(), vec![(root(), 2600u32), (root(), 69u32), (root(), 42u32)]);398	});399}400401#[test]402fn on_initialize_weight_is_correct() {403	new_test_ext().execute_with(|| {404		let call_weight = Weight::from_ref_time(25);405406		// Named407		let call = RuntimeCall::Logger(LoggerCall::log {408			i: 3,409			weight: call_weight + Weight::from_ref_time(1),410		});411		assert_ok!(Scheduler::do_schedule_named(412			[1u8; 32],413			DispatchTime::At(3),414			None,415			255,416			root(),417			<ScheduledCall<Test>>::new(call).unwrap(),418		));419		let call = RuntimeCall::Logger(LoggerCall::log {420			i: 42,421			weight: call_weight + Weight::from_ref_time(2),422		});423		// Anon Periodic424		assert_ok!(Scheduler::do_schedule(425			DispatchTime::At(2),426			Some((1000, 3)),427			128,428			root(),429			<ScheduledCall<Test>>::new(call).unwrap(),430		));431		let call = RuntimeCall::Logger(LoggerCall::log {432			i: 69,433			weight: call_weight + Weight::from_ref_time(3),434		});435		// Anon436		assert_ok!(Scheduler::do_schedule(437			DispatchTime::At(2),438			None,439			127,440			root(),441			<ScheduledCall<Test>>::new(call).unwrap(),442		));443		// Named Periodic444		let call = RuntimeCall::Logger(LoggerCall::log {445			i: 2600,446			weight: call_weight + Weight::from_ref_time(4),447		});448		assert_ok!(Scheduler::do_schedule_named(449			[2u8; 32],450			DispatchTime::At(1),451			Some((1000, 3)),452			126,453			root(),454			<ScheduledCall<Test>>::new(call).unwrap(),455		));456457		// Will include the named periodic only458		assert_eq!(459			Scheduler::on_initialize(1),460			TestWeightInfo::service_agendas_base() +461				TestWeightInfo::service_agenda_base(1) +462				<TestWeightInfo as MarginalWeightInfo>::service_task(None, true, true) +463				TestWeightInfo::execute_dispatch_unsigned() +464				call_weight + Weight::from_ref_time(4)465		);466		assert_eq!(IncompleteSince::<Test>::get(), None);467		assert_eq!(logger::log(), vec![(root(), 2600u32)]);468469		// Will include anon and anon periodic470		assert_eq!(471			Scheduler::on_initialize(2),472			TestWeightInfo::service_agendas_base() +473				TestWeightInfo::service_agenda_base(2) +474				<TestWeightInfo as MarginalWeightInfo>::service_task(None, false, true) +475				TestWeightInfo::execute_dispatch_unsigned() +476				call_weight + Weight::from_ref_time(3) +477				<TestWeightInfo as MarginalWeightInfo>::service_task(None, false, false) +478				TestWeightInfo::execute_dispatch_unsigned() +479				call_weight + Weight::from_ref_time(2)480		);481		assert_eq!(IncompleteSince::<Test>::get(), None);482		assert_eq!(logger::log(), vec![(root(), 2600u32), (root(), 69u32), (root(), 42u32)]);483484		// Will include named only485		assert_eq!(486			Scheduler::on_initialize(3),487			TestWeightInfo::service_agendas_base() +488				TestWeightInfo::service_agenda_base(1) +489				<TestWeightInfo as MarginalWeightInfo>::service_task(None, true, false) +490				TestWeightInfo::execute_dispatch_unsigned() +491				call_weight + Weight::from_ref_time(1)492		);493		assert_eq!(IncompleteSince::<Test>::get(), None);494		assert_eq!(495			logger::log(),496			vec![(root(), 2600u32), (root(), 69u32), (root(), 42u32), (root(), 3u32)]497		);498499		// Will contain none500		let actual_weight = Scheduler::on_initialize(4);501		assert_eq!(502			actual_weight,503			TestWeightInfo::service_agendas_base() + TestWeightInfo::service_agenda_base(0)504		);505	});506}507508#[test]509fn root_calls_works() {510	new_test_ext().execute_with(|| {511		let call = Box::new(RuntimeCall::Logger(LoggerCall::log {512			i: 69,513			weight: Weight::from_ref_time(10),514		}));515		let call2 = Box::new(RuntimeCall::Logger(LoggerCall::log {516			i: 42,517			weight: Weight::from_ref_time(10),518		}));519		assert_ok!(520			Scheduler::schedule_named(RuntimeOrigin::root(), [1u8; 32], 4, None, Some(127), call,)521		);522		assert_ok!(Scheduler::schedule(RuntimeOrigin::root(), 4, None, Some(127), call2));523		run_to_block(3);524		// Scheduled calls are in the agenda.525		assert_eq!(Agenda::<Test>::get(4).len(), 2);526		assert!(logger::log().is_empty());527		assert_ok!(Scheduler::cancel_named(RuntimeOrigin::root(), [1u8; 32]));528		assert_ok!(Scheduler::cancel(RuntimeOrigin::root(), 4, 1));529		// Scheduled calls are made NONE, so should not effect state530		run_to_block(100);531		assert!(logger::log().is_empty());532	});533}534535#[test]536fn fails_to_schedule_task_in_the_past() {537	new_test_ext().execute_with(|| {538		run_to_block(3);539540		let call1 = Box::new(RuntimeCall::Logger(LoggerCall::log {541			i: 69,542			weight: Weight::from_ref_time(10),543		}));544		let call2 = Box::new(RuntimeCall::Logger(LoggerCall::log {545			i: 42,546			weight: Weight::from_ref_time(10),547		}));548		let call3 = Box::new(RuntimeCall::Logger(LoggerCall::log {549			i: 42,550			weight: Weight::from_ref_time(10),551		}));552553		assert_noop!(554			Scheduler::schedule_named(RuntimeOrigin::root(), [1u8; 32], 2, None, Some(127), call1),555			Error::<Test>::TargetBlockNumberInPast,556		);557558		assert_noop!(559			Scheduler::schedule(RuntimeOrigin::root(), 2, None, Some(127), call2),560			Error::<Test>::TargetBlockNumberInPast,561		);562563		assert_noop!(564			Scheduler::schedule(RuntimeOrigin::root(), 3, None, Some(127), call3),565			Error::<Test>::TargetBlockNumberInPast,566		);567	});568}569570#[test]571fn should_use_origin() {572	new_test_ext().execute_with(|| {573		let call = Box::new(RuntimeCall::Logger(LoggerCall::log {574			i: 69,575			weight: Weight::from_ref_time(10),576		}));577		let call2 = Box::new(RuntimeCall::Logger(LoggerCall::log {578			i: 42,579			weight: Weight::from_ref_time(10),580		}));581		assert_ok!(Scheduler::schedule_named(582			system::RawOrigin::Signed(1).into(),583			[1u8; 32],584			4,585			None,586			None,587			call,588		));589		assert_ok!(Scheduler::schedule(system::RawOrigin::Signed(1).into(), 4, None, None, call2,));590		run_to_block(3);591		// Scheduled calls are in the agenda.592		assert_eq!(Agenda::<Test>::get(4).len(), 2);593		assert!(logger::log().is_empty());594		assert_ok!(Scheduler::cancel_named(system::RawOrigin::Signed(1).into(), [1u8; 32]));595		assert_ok!(Scheduler::cancel(system::RawOrigin::Signed(1).into(), 4, 1));596		// Scheduled calls are made NONE, so should not effect state597		run_to_block(100);598		assert!(logger::log().is_empty());599	});600}601602#[test]603fn should_check_origin() {604	new_test_ext().execute_with(|| {605		let call = Box::new(RuntimeCall::Logger(LoggerCall::log {606			i: 69,607			weight: Weight::from_ref_time(10),608		}));609		let call2 = Box::new(RuntimeCall::Logger(LoggerCall::log {610			i: 42,611			weight: Weight::from_ref_time(10),612		}));613		assert_noop!(614			Scheduler::schedule_named(615				system::RawOrigin::Signed(2).into(),616				[1u8; 32],617				4,618				None,619				None,620				call621			),622			BadOrigin623		);624		assert_noop!(625			Scheduler::schedule(system::RawOrigin::Signed(2).into(), 4, None, None, call2),626			BadOrigin627		);628	});629}630631#[test]632fn should_check_origin_for_cancel() {633	new_test_ext().execute_with(|| {634		let call = Box::new(RuntimeCall::Logger(LoggerCall::log_without_filter {635			i: 69,636			weight: Weight::from_ref_time(10),637		}));638		let call2 = Box::new(RuntimeCall::Logger(LoggerCall::log_without_filter {639			i: 42,640			weight: Weight::from_ref_time(10),641		}));642		assert_ok!(Scheduler::schedule_named(643			system::RawOrigin::Signed(1).into(),644			[1u8; 32],645			4,646			None,647			None,648			call,649		));650		assert_ok!(Scheduler::schedule(system::RawOrigin::Signed(1).into(), 4, None, None, call2,));651		run_to_block(3);652		// Scheduled calls are in the agenda.653		assert_eq!(Agenda::<Test>::get(4).len(), 2);654		assert!(logger::log().is_empty());655		assert_noop!(656			Scheduler::cancel_named(system::RawOrigin::Signed(2).into(), [1u8; 32]),657			BadOrigin658		);659		assert_noop!(Scheduler::cancel(system::RawOrigin::Signed(2).into(), 4, 1), BadOrigin);660		assert_noop!(Scheduler::cancel_named(system::RawOrigin::Root.into(), [1u8; 32]), BadOrigin);661		assert_noop!(Scheduler::cancel(system::RawOrigin::Root.into(), 4, 1), BadOrigin);662		run_to_block(5);663		assert_eq!(664			logger::log(),665			vec![666				(system::RawOrigin::Signed(1).into(), 69u32),667				(system::RawOrigin::Signed(1).into(), 42u32)668			]669		);670	});671}672673/// Cancelling a call and then scheduling a second call for the same674/// block results in different addresses.675#[test]676fn schedule_does_not_resuse_addr() {677	new_test_ext().execute_with(|| {678		let call =679			RuntimeCall::Logger(LoggerCall::log { i: 42, weight: Weight::from_ref_time(10) });680681		// Schedule both calls.682		let addr_1 = Scheduler::do_schedule(683			DispatchTime::At(4),684			None,685			127,686			root(),687			<ScheduledCall<Test>>::new(call.clone()).unwrap(),688		)689		.unwrap();690		// Cancel the call.691		assert_ok!(Scheduler::do_cancel(None, addr_1));692		let addr_2 = Scheduler::do_schedule(693			DispatchTime::At(4),694			None,695			127,696			root(),697			<ScheduledCall<Test>>::new(call).unwrap(),698		)699		.unwrap();700701		// Should not re-use the address.702		assert!(addr_1 != addr_2);703	});704}705706#[test]707fn schedule_agenda_overflows() {708	let max: u32 = <Test as Config>::MaxScheduledPerBlock::get();709710	new_test_ext().execute_with(|| {711		let call =712			RuntimeCall::Logger(LoggerCall::log { i: 42, weight: Weight::from_ref_time(10) });713		let call = <ScheduledCall<Test>>::new(call).unwrap();714715		// Schedule the maximal number allowed per block.716		for _ in 0..max {717			Scheduler::do_schedule(718				DispatchTime::At(4),719				None,720				127,721				root(),722				call.clone(),723			)724			.unwrap();725		}726727		// One more time and it errors.728		assert_noop!(729			Scheduler::do_schedule(DispatchTime::At(4), None, 127, root(), call,),730			<Error<Test>>::AgendaIsExhausted,731		);732733		run_to_block(4);734		// All scheduled calls are executed.735		assert_eq!(logger::log().len() as u32, max);736	});737}738739/// Cancelling and scheduling does not overflow the agenda but fills holes.740#[test]741fn cancel_and_schedule_fills_holes() {742	let max: u32 = <Test as Config>::MaxScheduledPerBlock::get();743	assert!(max > 3, "This test only makes sense for MaxScheduledPerBlock > 3");744745	new_test_ext().execute_with(|| {746		let call =747			RuntimeCall::Logger(LoggerCall::log { i: 42, weight: Weight::from_ref_time(10) });748		let call = <ScheduledCall<Test>>::new(call).unwrap();749		let mut addrs = Vec::<_>::default();750751		// Schedule the maximal number allowed per block.752		for _ in 0..max {753			addrs.push(754				Scheduler::do_schedule(755					DispatchTime::At(4),756					None,757					127,758					root(),759					call.clone(),760				)761				.unwrap(),762			);763		}764		// Cancel three of them.765		for addr in addrs.into_iter().take(3) {766			Scheduler::do_cancel(None, addr).unwrap();767		}768		// Schedule three new ones.769		for i in 0..3 {770			let (_block, index) = Scheduler::do_schedule(771				DispatchTime::At(4),772				None,773				127,774				root(),775				call.clone(),776			)777			.unwrap();778			assert_eq!(i, index);779		}780781		run_to_block(4);782		// Maximum number of calls are executed.783		assert_eq!(logger::log().len() as u32, max);784	});785}