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// Copyright 2018 The NATS Authors
// 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.
package server
import (
"fmt"
"reflect"
"testing"
)
func TestRBAppendAndLenAndTotal(t *testing.T) {
rb := newClosedRingBuffer(10)
for i := 0; i < 5; i++ {
rb.append(&closedClient{})
}
if rbl := rb.len(); rbl != 5 {
t.Fatalf("Expected len of 5, got %d", rbl)
}
if rbt := rb.totalConns(); rbt != 5 {
t.Fatalf("Expected total of 5, got %d", rbt)
}
for i := 0; i < 25; i++ {
rb.append(&closedClient{})
}
if rbl := rb.len(); rbl != 10 {
t.Fatalf("Expected len of 10, got %d", rbl)
}
if rbt := rb.totalConns(); rbt != 30 {
t.Fatalf("Expected total of 30, got %d", rbt)
}
}
func (cc *closedClient) String() string {
return cc.user
}
func TestRBclosedClients(t *testing.T) {
rb := newClosedRingBuffer(10)
var ui int
addConn := func() {
ui++
rb.append(&closedClient{user: fmt.Sprintf("%d", ui)})
}
max := 100
master := make([]*closedClient, 0, max)
for i := 1; i <= max; i++ {
master = append(master, &closedClient{user: fmt.Sprintf("%d", i)})
}
testList := func(i int) {
ccs := rb.closedClients()
start := int(rb.totalConns()) - len(ccs)
ms := master[start : start+len(ccs)]
if !reflect.DeepEqual(ccs, ms) {
t.Fatalf("test %d: List result did not match master: %+v vs %+v", i, ccs, ms)
}
}
for i := 0; i < max; i++ {
addConn()
testList(i)
}
}
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