github.com/hardtosaygoodbye/go-ethereum@v1.10.16-0.20220122011429-97003b9e6c15/les/utils/timeutils_test.go (about)

     1  // Copyright 2020 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package utils
    18  
    19  import (
    20  	"testing"
    21  	"time"
    22  
    23  	"github.com/hardtosaygoodbye/go-ethereum/common/mclock"
    24  )
    25  
    26  func TestUpdateTimer(t *testing.T) {
    27  	timer := NewUpdateTimer(mclock.System{}, -1)
    28  	if timer != nil {
    29  		t.Fatalf("Create update timer with negative threshold")
    30  	}
    31  	sim := &mclock.Simulated{}
    32  	timer = NewUpdateTimer(sim, time.Second)
    33  	if updated := timer.Update(func(diff time.Duration) bool { return true }); updated {
    34  		t.Fatalf("Update the clock without reaching the threshold")
    35  	}
    36  	sim.Run(time.Second)
    37  	if updated := timer.Update(func(diff time.Duration) bool { return true }); !updated {
    38  		t.Fatalf("Doesn't update the clock when reaching the threshold")
    39  	}
    40  	if updated := timer.UpdateAt(sim.Now()+mclock.AbsTime(time.Second), func(diff time.Duration) bool { return true }); !updated {
    41  		t.Fatalf("Doesn't update the clock when reaching the threshold")
    42  	}
    43  	timer = NewUpdateTimer(sim, 0)
    44  	if updated := timer.Update(func(diff time.Duration) bool { return true }); !updated {
    45  		t.Fatalf("Doesn't update the clock without threshold limitaion")
    46  	}
    47  }