1// Copyright 2011 The Go Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style 3// license that can be found in the LICENSE file. 4 5package packet 6 7import ( 8 "bytes" 9 "encoding/base64" 10 "image/color" 11 "image/jpeg" 12 "testing" 13) 14 15func TestParseUserAttribute(t *testing.T) { 16 r := base64.NewDecoder(base64.StdEncoding, bytes.NewBufferString(userAttributePacket)) 17 for i := 0; i < 2; i++ { 18 p, err := Read(r) 19 if err != nil { 20 t.Fatal(err) 21 } 22 uat := p.(*UserAttribute) 23 imgs := uat.ImageData() 24 if len(imgs) != 1 { 25 t.Errorf("Unexpected number of images in user attribute packet: %d", len(imgs)) 26 } 27 if len(imgs[0]) != 3395 { 28 t.Errorf("Unexpected JPEG image size: %d", len(imgs[0])) 29 } 30 img, err := jpeg.Decode(bytes.NewBuffer(imgs[0])) 31 if err != nil { 32 t.Errorf("Error decoding JPEG image: %v", err) 33 } 34 // A pixel in my right eye. 35 pixel := color.NRGBAModel.Convert(img.At(56, 36)) 36 ref := color.NRGBA{R: 157, G: 128, B: 124, A: 255} 37 if pixel != ref { 38 t.Errorf("Unexpected pixel color: %v", pixel) 39 } 40 w := bytes.NewBuffer(nil) 41 err = uat.Serialize(w) 42 if err != nil { 43 t.Errorf("Error writing user attribute: %v", err) 44 } 45 r = bytes.NewBuffer(w.Bytes()) 46 } 47} 48 49const userAttributePacket = ` 500cyWzJQBEAABAQAAAAAAAAAAAAAAAP/Y/+AAEEpGSUYAAQIAAAEAAQAA/9sAQwAFAwQEBAMFBAQE 51BQUFBgcMCAcHBwcPCgsJDBEPEhIRDxEQExYcFxMUGhUQERghGBocHR8fHxMXIiQiHiQcHh8e/9sA 52QwEFBQUHBgcOCAgOHhQRFB4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4eHh4e 53Hh4eHh4eHh4e/8AAEQgAZABkAwEiAAIRAQMRAf/EAB8AAAEFAQEBAQEBAAAAAAAAAAABAgMEBQYH 54CAkKC//EALUQAAIBAwMCBAMFBQQEAAABfQECAwAEEQUSITFBBhNRYQcicRQygZGhCCNCscEVUtHw 55JDNicoIJChYXGBkaJSYnKCkqNDU2Nzg5OkNERUZHSElKU1RVVldYWVpjZGVmZ2hpanN0dXZ3eHl6 56g4SFhoeIiYqSk5SVlpeYmZqio6Slpqeoqaqys7S1tre4ubrCw8TFxsfIycrS09TV1tfY2drh4uPk 575ebn6Onq8fLz9PX29/j5+v/EAB8BAAMBAQEBAQEBAQEAAAAAAAABAgMEBQYHCAkKC//EALURAAIB 58AgQEAwQHBQQEAAECdwABAgMRBAUhMQYSQVEHYXETIjKBCBRCkaGxwQkjM1LwFWJy0QoWJDThJfEX 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