| /* |
| * |
| * Copyright 2014, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| package grpc |
| |
| import ( |
| "bytes" |
| "sync" |
| "testing" |
| |
| "google.golang.org/grpc/test/codec_perf" |
| ) |
| |
| func marshalAndUnmarshal(t *testing.T, protoCodec Codec, expectedBody []byte) { |
| p := &codec_perf.Buffer{} |
| p.Body = expectedBody |
| |
| marshalledBytes, err := protoCodec.Marshal(p) |
| if err != nil { |
| t.Errorf("protoCodec.Marshal(_) returned an error") |
| } |
| |
| if err := protoCodec.Unmarshal(marshalledBytes, p); err != nil { |
| t.Errorf("protoCodec.Unmarshal(_) returned an error") |
| } |
| |
| if bytes.Compare(p.GetBody(), expectedBody) != 0 { |
| t.Errorf("Unexpected body; got %v; want %v", p.GetBody(), expectedBody) |
| } |
| } |
| |
| func TestBasicProtoCodecMarshalAndUnmarshal(t *testing.T) { |
| marshalAndUnmarshal(t, protoCodec{}, []byte{1, 2, 3}) |
| } |
| |
| // Try to catch possible race conditions around use of pools |
| func TestConcurrentUsage(t *testing.T) { |
| const ( |
| numGoRoutines = 100 |
| numMarshUnmarsh = 1000 |
| ) |
| |
| // small, arbitrary byte slices |
| protoBodies := [][]byte{ |
| []byte("one"), |
| []byte("two"), |
| []byte("three"), |
| []byte("four"), |
| []byte("five"), |
| } |
| |
| var wg sync.WaitGroup |
| codec := protoCodec{} |
| |
| for i := 0; i < numGoRoutines; i++ { |
| wg.Add(1) |
| go func() { |
| defer wg.Done() |
| for k := 0; k < numMarshUnmarsh; k++ { |
| marshalAndUnmarshal(t, codec, protoBodies[k%len(protoBodies)]) |
| } |
| }() |
| } |
| |
| wg.Wait() |
| } |
| |
| // TestStaggeredMarshalAndUnmarshalUsingSamePool tries to catch potential errors in which slices get |
| // stomped on during reuse of a proto.Buffer. |
| func TestStaggeredMarshalAndUnmarshalUsingSamePool(t *testing.T) { |
| codec1 := protoCodec{} |
| codec2 := protoCodec{} |
| |
| expectedBody1 := []byte{1, 2, 3} |
| expectedBody2 := []byte{4, 5, 6} |
| |
| proto1 := codec_perf.Buffer{Body: expectedBody1} |
| proto2 := codec_perf.Buffer{Body: expectedBody2} |
| |
| var m1, m2 []byte |
| var err error |
| |
| if m1, err = codec1.Marshal(&proto1); err != nil { |
| t.Errorf("protoCodec.Marshal(%v) failed", proto1) |
| } |
| |
| if m2, err = codec2.Marshal(&proto2); err != nil { |
| t.Errorf("protoCodec.Marshal(%v) failed", proto2) |
| } |
| |
| if err = codec1.Unmarshal(m1, &proto1); err != nil { |
| t.Errorf("protoCodec.Unmarshal(%v) failed", m1) |
| } |
| |
| if err = codec2.Unmarshal(m2, &proto2); err != nil { |
| t.Errorf("protoCodec.Unmarshal(%v) failed", m2) |
| } |
| |
| b1 := proto1.GetBody() |
| b2 := proto2.GetBody() |
| |
| for i, v := range b1 { |
| if expectedBody1[i] != v { |
| t.Errorf("expected %v at index %v but got %v", i, expectedBody1[i], v) |
| } |
| } |
| |
| for i, v := range b2 { |
| if expectedBody2[i] != v { |
| t.Errorf("expected %v at index %v but got %v", i, expectedBody2[i], v) |
| } |
| } |
| } |