| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to You 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 lb |
| |
| import ( |
| "testing" |
| ) |
| |
| func TestNewRoundRobinLB(t *testing.T) { |
| lb := NewRoundRobinLB(nil) |
| if lb.Next() != "" { |
| t.Fatalf("TestNewRoundRobinLB failed") |
| } |
| lb = NewRoundRobinLB([]string{"1"}) |
| if lb.Next() != "1" { |
| t.Fatalf("TestNewRoundRobinLB failed") |
| } |
| if lb.Next() != "1" { |
| t.Fatalf("TestNewRoundRobinLB failed") |
| } |
| lb = NewRoundRobinLB([]string{"1", "2"}) |
| if lb.Next() != "1" { |
| t.Fatalf("TestNewRoundRobinLB failed") |
| } |
| if lb.Next() != "2" { |
| t.Fatalf("TestNewRoundRobinLB failed") |
| } |
| if lb.Next() != "1" { |
| t.Fatalf("TestNewRoundRobinLB failed") |
| } |
| } |
| |
| func BenchmarkNewRoundLB(b *testing.B) { |
| lb := NewRoundRobinLB([]string{"1", "2", "3"}) |
| b.RunParallel(func(pb *testing.PB) { |
| for pb.Next() { |
| _ = lb.Next() |
| } |
| }) |
| } |