| // Protocol Buffers for Go with Gadgets |
| // |
| // Copyright (c) 2013, The GoGo Authors. All rights reserved. |
| // http://github.com/gogo/protobuf |
| // |
| // 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. |
| // |
| // 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 io_test |
| |
| import ( |
| "bytes" |
| "encoding/binary" |
| "github.com/gogo/protobuf/io" |
| "github.com/gogo/protobuf/test" |
| goio "io" |
| "math/rand" |
| "testing" |
| "time" |
| ) |
| |
| func iotest(writer io.WriteCloser, reader io.ReadCloser) error { |
| size := 1000 |
| msgs := make([]*test.NinOptNative, size) |
| r := rand.New(rand.NewSource(time.Now().UnixNano())) |
| for i := range msgs { |
| msgs[i] = test.NewPopulatedNinOptNative(r, true) |
| //issue 31 |
| if i == 5 { |
| msgs[i] = &test.NinOptNative{} |
| } |
| //issue 31 |
| if i == 999 { |
| msgs[i] = &test.NinOptNative{} |
| } |
| err := writer.WriteMsg(msgs[i]) |
| if err != nil { |
| return err |
| } |
| } |
| if err := writer.Close(); err != nil { |
| return err |
| } |
| i := 0 |
| for { |
| msg := &test.NinOptNative{} |
| if err := reader.ReadMsg(msg); err != nil { |
| if err == goio.EOF { |
| break |
| } |
| return err |
| } |
| if err := msg.VerboseEqual(msgs[i]); err != nil { |
| return err |
| } |
| i++ |
| } |
| if i != size { |
| panic("not enough messages read") |
| } |
| if err := reader.Close(); err != nil { |
| return err |
| } |
| return nil |
| } |
| |
| type buffer struct { |
| *bytes.Buffer |
| closed bool |
| } |
| |
| func (this *buffer) Close() error { |
| this.closed = true |
| return nil |
| } |
| |
| func newBuffer() *buffer { |
| return &buffer{bytes.NewBuffer(nil), false} |
| } |
| |
| func TestBigUint32Normal(t *testing.T) { |
| buf := newBuffer() |
| writer := io.NewUint32DelimitedWriter(buf, binary.BigEndian) |
| reader := io.NewUint32DelimitedReader(buf, binary.BigEndian, 1024*1024) |
| if err := iotest(writer, reader); err != nil { |
| t.Error(err) |
| } |
| if !buf.closed { |
| t.Fatalf("did not close buffer") |
| } |
| } |
| |
| func TestBigUint32MaxSize(t *testing.T) { |
| buf := newBuffer() |
| writer := io.NewUint32DelimitedWriter(buf, binary.BigEndian) |
| reader := io.NewUint32DelimitedReader(buf, binary.BigEndian, 20) |
| if err := iotest(writer, reader); err != goio.ErrShortBuffer { |
| t.Error(err) |
| } else { |
| t.Logf("%s", err) |
| } |
| } |
| |
| func TestLittleUint32Normal(t *testing.T) { |
| buf := newBuffer() |
| writer := io.NewUint32DelimitedWriter(buf, binary.LittleEndian) |
| reader := io.NewUint32DelimitedReader(buf, binary.LittleEndian, 1024*1024) |
| if err := iotest(writer, reader); err != nil { |
| t.Error(err) |
| } |
| if !buf.closed { |
| t.Fatalf("did not close buffer") |
| } |
| } |
| |
| func TestLittleUint32MaxSize(t *testing.T) { |
| buf := newBuffer() |
| writer := io.NewUint32DelimitedWriter(buf, binary.LittleEndian) |
| reader := io.NewUint32DelimitedReader(buf, binary.LittleEndian, 20) |
| if err := iotest(writer, reader); err != goio.ErrShortBuffer { |
| t.Error(err) |
| } else { |
| t.Logf("%s", err) |
| } |
| } |
| |
| func TestVarintNormal(t *testing.T) { |
| buf := newBuffer() |
| writer := io.NewDelimitedWriter(buf) |
| reader := io.NewDelimitedReader(buf, 1024*1024) |
| if err := iotest(writer, reader); err != nil { |
| t.Error(err) |
| } |
| if !buf.closed { |
| t.Fatalf("did not close buffer") |
| } |
| } |
| |
| func TestVarintNoClose(t *testing.T) { |
| buf := bytes.NewBuffer(nil) |
| writer := io.NewDelimitedWriter(buf) |
| reader := io.NewDelimitedReader(buf, 1024*1024) |
| if err := iotest(writer, reader); err != nil { |
| t.Error(err) |
| } |
| } |
| |
| //issue 32 |
| func TestVarintMaxSize(t *testing.T) { |
| buf := newBuffer() |
| writer := io.NewDelimitedWriter(buf) |
| reader := io.NewDelimitedReader(buf, 20) |
| if err := iotest(writer, reader); err != goio.ErrShortBuffer { |
| t.Error(err) |
| } else { |
| t.Logf("%s", err) |
| } |
| } |
| |
| func TestVarintError(t *testing.T) { |
| buf := newBuffer() |
| buf.Write([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f}) |
| reader := io.NewDelimitedReader(buf, 1024*1024) |
| msg := &test.NinOptNative{} |
| err := reader.ReadMsg(msg) |
| if err == nil { |
| t.Fatalf("Expected error") |
| } |
| } |
| |
| func TestFull(t *testing.T) { |
| buf := newBuffer() |
| writer := io.NewFullWriter(buf) |
| reader := io.NewFullReader(buf, 1024*1024) |
| r := rand.New(rand.NewSource(time.Now().UnixNano())) |
| msgIn := test.NewPopulatedNinOptNative(r, true) |
| if err := writer.WriteMsg(msgIn); err != nil { |
| panic(err) |
| } |
| if err := writer.Close(); err != nil { |
| panic(err) |
| } |
| msgOut := &test.NinOptNative{} |
| if err := reader.ReadMsg(msgOut); err != nil { |
| panic(err) |
| } |
| if err := msgIn.VerboseEqual(msgOut); err != nil { |
| panic(err) |
| } |
| if err := reader.ReadMsg(msgOut); err != nil { |
| if err != goio.EOF { |
| panic(err) |
| } |
| } |
| if err := reader.Close(); err != nil { |
| panic(err) |
| } |
| if !buf.closed { |
| t.Fatalf("did not close buffer") |
| } |
| } |