| 1 | ;;; emms-info-native-mp3-tests.el --- Test suite for emms-info-native-mp3 -*- lexical-binding: t; -*- |
| 2 | |
| 3 | ;; Copyright (C) 2023 Free Software Foundation, Inc. |
| 4 | |
| 5 | ;; Author: Petteri Hintsanen <petterih@iki.fi> |
| 6 | |
| 7 | ;; This file is part of EMMS. |
| 8 | |
| 9 | ;; EMMS is free software; you can redistribute it and/or modify it |
| 10 | ;; under the terms of the GNU General Public License as published by |
| 11 | ;; the Free Software Foundation; either version 3, or (at your option) |
| 12 | ;; any later version. |
| 13 | |
| 14 | ;; EMMS is distributed in the hope that it will be useful, but WITHOUT |
| 15 | ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| 16 | ;; or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public |
| 17 | ;; License for more details. |
| 18 | |
| 19 | ;; You should have received a copy of the GNU General Public License |
| 20 | ;; along with EMMS; see the file COPYING. If not, write to the Free |
| 21 | ;; Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
| 22 | ;; MA 02110-1301, USA. |
| 23 | |
| 24 | ;;; Code: |
| 25 | |
| 26 | (require 'emms-info-native-mp3) |
| 27 | (require 'ert) |
| 28 | |
| 29 | (ert-deftest emms-test-id3v2-valid-frame-id-p () |
| 30 | (let ((emms-info-native-id3v2--version 2)) |
| 31 | (should (emms-info-native-id3v2--valid-frame-id-p "A1B")) |
| 32 | (should (not (emms-info-native-id3v2--valid-frame-id-p "~B1"))) |
| 33 | (should (not (emms-info-native-id3v2--valid-frame-id-p "XX"))) |
| 34 | (should (not (emms-info-native-id3v2--valid-frame-id-p "XXXX")))) |
| 35 | (let ((emms-info-native-id3v2--version 3)) |
| 36 | (should (emms-info-native-id3v2--valid-frame-id-p "ABC9")) |
| 37 | (should (not (emms-info-native-id3v2--valid-frame-id-p "~BCD"))) |
| 38 | (should (not (emms-info-native-id3v2--valid-frame-id-p "XXX"))) |
| 39 | (should (not (emms-info-native-id3v2--valid-frame-id-p "XXXXX"))))) |
| 40 | |
| 41 | (ert-deftest emms-test-id3v2-checked-size () |
| 42 | (should (= (emms-info-native-id3v2--checked-size 'tag [0 0 2 1]) 257)) |
| 43 | (should (= (emms-info-native-id3v2--checked-size 'tag [1 1 1 1]) 2113665)) |
| 44 | (should (= (emms-info-native-id3v2--checked-size 'tag [#xff #xff #xff #xff]) |
| 45 | (1- (* 256 1024 1024)))) |
| 46 | (should (= (emms-info-native-id3v2--checked-size 'tag [#x7f #x7f #x7f #x7f]) |
| 47 | (1- (* 256 1024 1024)))) |
| 48 | (should (= (emms-info-native-id3v2--checked-size 'tag [#x12 #x34 #x56 #x78]) |
| 49 | 38611832)) |
| 50 | (let ((emms-info-native-id3v2--version 4)) |
| 51 | (should (= (emms-info-native-id3v2--checked-size 'frame [#xff #xff #xff #xff]) |
| 52 | (1- (* 256 1024 1024))))) |
| 53 | (let ((emms-info-native-id3v2--version 3)) |
| 54 | (should (= (emms-info-native-id3v2--checked-size 'frame [#xff #xff #xff #xff]) |
| 55 | (1- (* 4 1024 1024 1024)))))) |
| 56 | |
| 57 | (ert-deftest emms-test-id3v2-decode-size () |
| 58 | (should (= (emms-info-native-id3v2--decode-size [01 01 01 01] nil) |
| 59 | 16843009)) |
| 60 | (should (= (emms-info-native-id3v2--decode-size [01 01 01 01] t) |
| 61 | 2113665)) |
| 62 | (should (= (emms-info-native-id3v2--decode-size [00 00 02 01] nil) |
| 63 | 513)) |
| 64 | (should (= (emms-info-native-id3v2--decode-size [00 00 02 01] t) |
| 65 | 257))) |
| 66 | |
| 67 | (ert-deftest emms-test-mp3-find-and-decode-frame-header () |
| 68 | (with-temp-buffer |
| 69 | (set-buffer-multibyte nil) |
| 70 | (insert "\x00\x00\x00\x00\x00\x00\x00\xff\xfb\xb0\x04\x00\x00\x00\x00\x00\x69\x06\x00\x00\x00\x00\x00\x0d\x20\xc0\x00\x00\x00\x00\x01\xa4\x1c\x00\x00\x00\x00\x00\x34\x83\x80\x00\x00\x4c\x41\x4d\x45\x33\x2e\x39\x31\x55\x55") |
| 71 | (should (equal (emms-info-native-mp3--find-and-decode-frame-header) |
| 72 | '((version . mpeg1) |
| 73 | (layer . layerIII) |
| 74 | (crc . 1) |
| 75 | (bit-rate . 192) |
| 76 | (sample-rate . 44100) |
| 77 | (samples-per-frame . 1152) |
| 78 | (padding . 0) |
| 79 | (private . 0) |
| 80 | (channel-mode . stereo) |
| 81 | (mode-extension . 0) |
| 82 | (copyright . 0) |
| 83 | (emphasis . 0) |
| 84 | (original . 1)))))) |
| 85 | |
| 86 | (ert-deftest emms-test-mp3-find-and-decode-xing-header () |
| 87 | (with-temp-buffer |
| 88 | (set-buffer-multibyte nil) |
| 89 | (insert "\xff\xea\x90\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x58\x69\x6e\x67\x00\x00\x00\x0f\x00\x00\x21\x59\x00\x50\x1d\x79\x00\x03\x06\x08\x0b\x0e\x0f\x12\x15\x17\x1a\x1d\x1f\x22\x25\x27\x2a\x2d\x2f\x32\x35\x37\x39\x3c\x3e\x41\x44\x46\x49\x4c\x4e\x51\x54\x56\x59\x5c\x5e\x61\x64\x65\x68\x6b\x6d\x70\x73\x75\x78\x7a\x7b\x7d\x7f\x82\x85\x87\x8a\x8d\x8f\x92\x95\x97\x9a\x9d\x9f\xa2\xa5\xa7\xaa\xad\xae\xb1\xb4\xb6\xb9\xbc\xbe\xc1\xc4\xc6\xc9\xcc\xce\xd1\xd4\xd6\xd9\xdc\xde\xe1\xe4\xe6\xe9\xec\xee\xf1\xf4\xf6\xf9\xfb\xfd\xff\x00\x00\x00\x58\x4c\x41\x4d\x45\x33\x2e\x38\x38\x20\x28\x61\x6c\x70\x68\x61\x29\x00\x00") |
| 90 | (should (= (emms-info-native-mp3--find-and-decode-xing-header) 8537)))) |
| 91 | |
| 92 | (ert-deftest emms-test-mp3-find-decode-xing-header-2 () |
| 93 | (with-temp-buffer |
| 94 | (set-buffer-multibyte nil) |
| 95 | (insert "\xff\xfb\x50\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x49\x6e\x66\x6f\x00\x00\x00\x0f\x00\x00\x23\xd8\x00\x3a\x86\x09\x00\x02\x05\x08\x0a\x0d\x10\x12\x14\x17\x19\x1c\x1f\x21\x24\x26\x29\x2b\x2e\x31\x33\x36\x38\x3a\x3d\x40\x42\x45\x48\x4a\x4c\x4f\x52\x54\x57\x5a\x5b\x5e\x61\x63\x66\x69\x6c\x6d\x70\x73\x75\x78\x7b\x7d\x80\x82\x85\x87\x8a\x8d\x8f\x92\x94\x96\x99\x9c\x9e\xa1\xa4\xa6\xa8\xab\xae\xb0\xb3\xb6\xb7\xba\xbd\xbf\xc2\xc5\xc7\xc9\xcc\xcf\xd1\xd4\xd7\xd9\xdb\xde\xe0\xe3\xe6\xe9\xeb\xed\xf0\xf2\xf5\xf8\xfa\xfd\x00\x00\x00\x00\x4c\x61\x76\x63\x35\x39\x2e\x33\x37\x00\x00") |
| 96 | (should (= (emms-info-native-mp3--find-and-decode-xing-header) 9176)))) |
| 97 | |
| 98 | (ert-deftest emms-test-mp3-find-and-decode-vbri-header () |
| 99 | (with-temp-buffer |
| 100 | (set-buffer-multibyte nil) |
| 101 | (insert "\xff\xfb\xa1\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x56\x42\x52\x49\x00\x01\x0d\xb1\x00\x64\x00\x62\xdb\x91\x00\x00\x21\x3a\x00\x84\x00\x01\x00\x02\x00\x40\x98\xb1\xbd\xa8\xbb\x36\xba\xce\xbb\x37\xba\xcf\xba\x67\xbb\x37\xbc\xd7\xbb\x9f\xba\xcf\xb9\x2c\xbb\x35\xbb\x38\xbc\x08\xbb\x9f\xb9\x95\xbe\xe0\xbc\x08\xb9\xfa\xba\x63\xb8\x5a\xb6") |
| 102 | (should (= (emms-info-native-mp3--find-and-decode-vbri-header) 8506)))) |
| 103 | |
| 104 | ;;; emms-info-native-mp3-tests.el ends here |