| /* |
| * 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 backoff |
| |
| import ( |
| "testing" |
| "time" |
| ) |
| |
| func TestPowerBackoff_Delay(t *testing.T) { |
| i, m := time.Second, 30*time.Second |
| b := &PowerBackoff{ |
| MaxDelay: 30 * time.Second, |
| InitDelay: 1 * time.Second, |
| Factor: 1.6, |
| } |
| r := b.Delay(-1) |
| if r != i { |
| t.Fatalf("TestPowerBackoff_Delay -1 failed, result is %s", r) |
| } |
| r = b.Delay(0) |
| if r != i { |
| t.Fatalf("TestPowerBackoff_Delay 0 failed, result is %s", r) |
| } |
| r = b.Delay(1) |
| if r != 1600*time.Millisecond { |
| t.Fatalf("TestPowerBackoff_Delay 1 failed, result is %s", r) |
| } |
| r = b.Delay(4) |
| if r != 6553600*time.Microsecond { |
| t.Fatalf("TestPowerBackoff_Delay 4 failed, result is %s", r) |
| } |
| r = b.Delay(8) |
| if r != m { |
| t.Fatalf("TestPowerBackoff_Delay 8 failed, result is %s", r) |
| } |
| } |
| |
| func TestGetBackoff(t *testing.T) { |
| if GetBackoff() == nil { |
| t.Fatalf("TestGetBackoff failed") |
| } |
| } |