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// Copyright (C) 2014 The Syncthing Authors.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at https://mozilla.org/MPL/2.0/.
package model
import (
"testing"
"github.com/syncthing/syncthing/lib/protocol"
)
func TestDeviceActivity(t *testing.T) {
n0 := Availability{protocol.DeviceID([32]byte{1, 2, 3, 4}), false}
n1 := Availability{protocol.DeviceID([32]byte{5, 6, 7, 8}), true}
n2 := Availability{protocol.DeviceID([32]byte{9, 10, 11, 12}), false}
devices := []Availability{n0, n1, n2}
na := newDeviceActivity()
if lb := na.leastBusy(devices); lb != 0 {
t.Errorf("Least busy device should be n0 (%v) not %v", n0, lb)
}
if lb := na.leastBusy(devices); lb != 0 {
t.Errorf("Least busy device should still be n0 (%v) not %v", n0, lb)
}
lb := na.leastBusy(devices)
na.using(devices[lb])
if lb := na.leastBusy(devices); lb != 1 {
t.Errorf("Least busy device should be n1 (%v) not %v", n1, lb)
}
lb = na.leastBusy(devices)
na.using(devices[lb])
if lb := na.leastBusy(devices); lb != 2 {
t.Errorf("Least busy device should be n2 (%v) not %v", n2, lb)
}
lb = na.leastBusy(devices)
na.using(devices[lb])
if lb := na.leastBusy(devices); lb != 0 {
t.Errorf("Least busy device should be n0 (%v) not %v", n0, lb)
}
na.done(n1)
if lb := na.leastBusy(devices); lb != 1 {
t.Errorf("Least busy device should be n1 (%v) not %v", n1, lb)
}
na.done(n2)
if lb := na.leastBusy(devices); lb != 1 {
t.Errorf("Least busy device should still be n1 (%v) not %v", n1, lb)
}
na.done(n0)
if lb := na.leastBusy(devices); lb != 0 {
t.Errorf("Least busy device should be n0 (%v) not %v", n0, lb)
}
}
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