| // 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 pulsar |
| |
| import ( |
| "bytes" |
| "io" |
| "reflect" |
| "testing" |
| |
| "github.com/davecgh/go-spew/spew" |
| ) |
| |
| func TestWriteElements(t *testing.T) { |
| tests := []struct { |
| in interface{} |
| buf []byte |
| }{ |
| {int8(1), []byte{0x01}}, |
| {uint8(2), []byte{0x02}}, |
| {int16(4), []byte{0x04, 0x00}}, |
| {uint16(16), []byte{0x10, 0x00}}, |
| {int32(1), []byte{0x01, 0x00, 0x00, 0x00}}, |
| {uint32(256), []byte{0x00, 0x01, 0x00, 0x00}}, |
| { |
| int64(65536), |
| []byte{0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00}, |
| }, |
| { |
| uint64(4294967296), |
| []byte{0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00}, |
| }, |
| { |
| true, |
| []byte{0x01}, |
| }, |
| { |
| false, |
| []byte{0x00}, |
| }, |
| } |
| |
| t.Logf("Running %d tests", len(tests)) |
| for i, test := range tests { |
| value := test |
| |
| var buf bytes.Buffer |
| err := WriteElements(&buf, value.in) |
| if err != nil { |
| t.Errorf("writeElement #%d error %v", i, err) |
| continue |
| } |
| if !bytes.Equal(buf.Bytes(), test.buf) { |
| t.Error(test.in) |
| t.Errorf("writeElement #%d\n got: %s want: %s", i, |
| spew.Sdump(buf.Bytes()), spew.Sdump(test.buf)) |
| continue |
| } |
| |
| // Read from wire format. |
| rbuf := bytes.NewReader(test.buf) |
| val := test.in |
| if reflect.ValueOf(test.in).Kind() != reflect.Ptr { |
| val = reflect.New(reflect.TypeOf(test.in)).Interface() |
| } |
| err = ReadElements(rbuf, val) |
| if err != nil { |
| t.Errorf("readElement #%d error %v", i, err) |
| continue |
| } |
| ival := val |
| if reflect.ValueOf(test.in).Kind() != reflect.Ptr { |
| ival = reflect.Indirect(reflect.ValueOf(val)).Interface() |
| } |
| if !reflect.DeepEqual(ival, test.in) { |
| t.Errorf("readElement #%d\n got: %s want: %s", i, |
| spew.Sdump(ival), spew.Sdump(test.in)) |
| continue |
| } |
| } |
| } |
| |
| func TestElementErrors(t *testing.T) { |
| tests := []struct { |
| in interface{} |
| max int |
| writeErr error |
| readErr error |
| }{ |
| {int8(1), 0, nil, io.EOF}, |
| {uint8(2), 0, nil, io.EOF}, |
| {int16(4), 0, nil, io.EOF}, |
| {uint16(16), 0, nil, io.EOF}, |
| {int32(1), 0, nil, io.EOF}, |
| {uint32(256), 0, nil, io.EOF}, |
| { |
| int64(65536), |
| 0, nil, io.EOF, |
| }, |
| { |
| uint64(4294967296), |
| 0, nil, io.EOF, |
| }, |
| { |
| true, |
| 0, nil, io.EOF, |
| }, |
| { |
| false, |
| 0, nil, io.EOF, |
| }, |
| } |
| |
| t.Logf("Running %d tests", len(tests)) |
| for i, test := range tests { |
| var r bytes.Reader |
| val := test.in |
| if reflect.ValueOf(test.in).Kind() != reflect.Ptr { |
| val = reflect.New(reflect.TypeOf(test.in)).Interface() |
| } |
| err := ReadElements(&r, val) |
| if err != test.readErr { |
| t.Errorf("readElement #%d wrong error got: %v, want: %v", |
| i, err, test.readErr) |
| continue |
| } |
| } |
| } |