| // 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 internal |
| |
| import ( |
| "bytes" |
| "hash/crc32" |
| "testing" |
| ) |
| |
| func TestFrameChecksum(t *testing.T) { |
| input := []byte{1, 2, 3, 4, 5} |
| var f CheckSum |
| |
| if got := f.compute(); got != nil { |
| t.Fatalf("compute() = %v; expected nil", got) |
| } |
| |
| if _, err := f.Write(input); err != nil { |
| t.Fatalf("Write() err = %v; expected nil", err) |
| } |
| |
| h := crc32.New(crc32.MakeTable(crc32.Castagnoli)) |
| if _, err := h.Write(input); err != nil { |
| t.Fatal(err) |
| } |
| |
| if got, expected := f.compute(), h.Sum(nil); !bytes.Equal(got, expected) { |
| t.Fatalf("compute() = %x; expected %x", got, expected) |
| } else { |
| t.Logf("compute() = 0x%x", got) |
| } |
| } |