mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
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261 lines
7.2 KiB
Go
261 lines
7.2 KiB
Go
// Copyright 2019 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package les
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import (
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/common/mclock"
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)
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func TestSetBalance(t *testing.T) {
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var clock = &mclock.Simulated{}
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var inputs = []struct {
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pos uint64
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neg uint64
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}{
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{1000, 0},
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{0, 1000},
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{1000, 1000},
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}
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tracker := balanceTracker{}
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tracker.init(clock, 1000)
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defer tracker.stop(clock.Now())
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for _, i := range inputs {
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tracker.setBalance(i.pos, i.neg)
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pos, neg := tracker.getBalance(clock.Now())
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if pos != i.pos {
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t.Fatalf("Positive balance mismatch, want %v, got %v", i.pos, pos)
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}
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if neg != i.neg {
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t.Fatalf("Negative balance mismatch, want %v, got %v", i.neg, neg)
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}
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}
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}
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func TestBalanceTimeCost(t *testing.T) {
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var (
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clock = &mclock.Simulated{}
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tracker = balanceTracker{}
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)
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tracker.init(clock, 1000)
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defer tracker.stop(clock.Now())
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tracker.setFactors(false, 1, 1)
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tracker.setFactors(true, 1, 1)
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tracker.setBalance(uint64(time.Minute), 0) // 1 minute time allowance
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var inputs = []struct {
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runTime time.Duration
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expPos uint64
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expNeg uint64
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}{
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{time.Second, uint64(time.Second * 59), 0},
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{0, uint64(time.Second * 59), 0},
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{time.Second * 59, 0, 0},
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{time.Second, 0, uint64(time.Second)},
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}
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for _, i := range inputs {
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clock.Run(i.runTime)
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if pos, _ := tracker.getBalance(clock.Now()); pos != i.expPos {
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t.Fatalf("Positive balance mismatch, want %v, got %v", i.expPos, pos)
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}
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if _, neg := tracker.getBalance(clock.Now()); neg != i.expNeg {
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t.Fatalf("Negative balance mismatch, want %v, got %v", i.expNeg, neg)
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}
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}
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tracker.setBalance(uint64(time.Minute), 0) // Refill 1 minute time allowance
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for _, i := range inputs {
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clock.Run(i.runTime)
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if pos, _ := tracker.getBalance(clock.Now()); pos != i.expPos {
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t.Fatalf("Positive balance mismatch, want %v, got %v", i.expPos, pos)
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}
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if _, neg := tracker.getBalance(clock.Now()); neg != i.expNeg {
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t.Fatalf("Negative balance mismatch, want %v, got %v", i.expNeg, neg)
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}
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}
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}
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func TestBalanceReqCost(t *testing.T) {
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var (
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clock = &mclock.Simulated{}
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tracker = balanceTracker{}
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)
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tracker.init(clock, 1000)
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defer tracker.stop(clock.Now())
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tracker.setFactors(false, 1, 1)
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tracker.setFactors(true, 1, 1)
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tracker.setBalance(uint64(time.Minute), 0) // 1 minute time serving time allowance
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var inputs = []struct {
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reqCost uint64
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expPos uint64
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expNeg uint64
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}{
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{uint64(time.Second), uint64(time.Second * 59), 0},
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{0, uint64(time.Second * 59), 0},
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{uint64(time.Second * 59), 0, 0},
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{uint64(time.Second), 0, uint64(time.Second)},
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}
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for _, i := range inputs {
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tracker.requestCost(i.reqCost)
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if pos, _ := tracker.getBalance(clock.Now()); pos != i.expPos {
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t.Fatalf("Positive balance mismatch, want %v, got %v", i.expPos, pos)
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}
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if _, neg := tracker.getBalance(clock.Now()); neg != i.expNeg {
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t.Fatalf("Negative balance mismatch, want %v, got %v", i.expNeg, neg)
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}
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}
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}
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func TestBalanceToPriority(t *testing.T) {
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var (
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clock = &mclock.Simulated{}
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tracker = balanceTracker{}
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)
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tracker.init(clock, 1000) // cap = 1000
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defer tracker.stop(clock.Now())
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tracker.setFactors(false, 1, 1)
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tracker.setFactors(true, 1, 1)
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var inputs = []struct {
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pos uint64
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neg uint64
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priority int64
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}{
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{1000, 0, ^int64(1)},
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{2000, 0, ^int64(2)}, // Higher balance, lower priority value
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{0, 0, 0},
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{0, 1000, 1000},
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}
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for _, i := range inputs {
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tracker.setBalance(i.pos, i.neg)
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priority := tracker.getPriority(clock.Now())
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if priority != i.priority {
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t.Fatalf("Priority mismatch, want %v, got %v", i.priority, priority)
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}
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}
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}
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func TestEstimatedPriority(t *testing.T) {
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var (
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clock = &mclock.Simulated{}
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tracker = balanceTracker{}
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)
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tracker.init(clock, 1000000000) // cap = 1000,000,000
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defer tracker.stop(clock.Now())
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tracker.setFactors(false, 1, 1)
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tracker.setFactors(true, 1, 1)
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tracker.setBalance(uint64(time.Minute), 0)
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var inputs = []struct {
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runTime time.Duration // time cost
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futureTime time.Duration // diff of future time
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reqCost uint64 // single request cost
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priority int64 // expected estimated priority
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}{
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{time.Second, time.Second, 0, ^int64(58)},
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{0, time.Second, 0, ^int64(58)},
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// 2 seconds time cost, 1 second estimated time cost, 10^9 request cost,
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// 10^9 estimated request cost per second.
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{time.Second, time.Second, 1000000000, ^int64(55)},
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// 3 seconds time cost, 3 second estimated time cost, 10^9*2 request cost,
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// 4*10^9 estimated request cost.
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{time.Second, 3 * time.Second, 1000000000, ^int64(48)},
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// All positive balance is used up
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{time.Second * 55, 0, 0, 0},
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// 1 minute estimated time cost, 4/58 * 10^9 estimated request cost per sec.
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{0, time.Minute, 0, int64(time.Minute) + int64(time.Second)*120/29},
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}
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for _, i := range inputs {
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clock.Run(i.runTime)
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tracker.requestCost(i.reqCost)
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priority := tracker.estimatedPriority(clock.Now()+mclock.AbsTime(i.futureTime), true)
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if priority != i.priority {
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t.Fatalf("Estimated priority mismatch, want %v, got %v", i.priority, priority)
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}
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}
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}
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func TestCallbackChecking(t *testing.T) {
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var (
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clock = &mclock.Simulated{}
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tracker = balanceTracker{}
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)
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tracker.init(clock, 1000000) // cap = 1000,000
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defer tracker.stop(clock.Now())
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tracker.setFactors(false, 1, 1)
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tracker.setFactors(true, 1, 1)
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var inputs = []struct {
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priority int64
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expDiff time.Duration
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}{
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{^int64(500), time.Millisecond * 500},
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{0, time.Second},
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{int64(time.Second), 2 * time.Second},
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}
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tracker.setBalance(uint64(time.Second), 0)
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for _, i := range inputs {
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diff, _ := tracker.timeUntil(i.priority)
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if diff != i.expDiff {
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t.Fatalf("Time difference mismatch, want %v, got %v", i.expDiff, diff)
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}
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}
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}
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func TestCallback(t *testing.T) {
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var (
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clock = &mclock.Simulated{}
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tracker = balanceTracker{}
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)
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tracker.init(clock, 1000) // cap = 1000
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defer tracker.stop(clock.Now())
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tracker.setFactors(false, 1, 1)
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tracker.setFactors(true, 1, 1)
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callCh := make(chan struct{}, 1)
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tracker.setBalance(uint64(time.Minute), 0)
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tracker.addCallback(balanceCallbackZero, 0, func() { callCh <- struct{}{} })
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clock.Run(time.Minute)
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select {
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case <-callCh:
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case <-time.NewTimer(time.Second).C:
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t.Fatalf("Callback hasn't been called yet")
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}
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tracker.setBalance(uint64(time.Minute), 0)
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tracker.addCallback(balanceCallbackZero, 0, func() { callCh <- struct{}{} })
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tracker.removeCallback(balanceCallbackZero)
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clock.Run(time.Minute)
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select {
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case <-callCh:
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t.Fatalf("Callback shouldn't be called")
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case <-time.NewTimer(time.Millisecond * 100).C:
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}
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}
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