1# Commands covered: sound data/append
2#
3
4package require -exact snack 2.2
5
6if {[lsearch [namespace children] ::tcltest] == -1} {
7    package require tcltest
8    namespace import ::tcltest::*
9}
10
11test data-1.1 {data command, read sound from binary variable} {
12  if [catch {set fd [open ex1.wav]} res] {
13    return $res
14  }
15  fconfigure $fd -translation binary
16  if {$::tcl_version > 8.0} {
17    fconfigure $fd -encoding binary
18  }
19  set data [read $fd]
20
21  set s [snack::sound snd]
22  $s data $data
23
24  set res [$s info]
25  $s destroy
26  set res
27} {15820 16000 14264 -8288 Lin16 1 WAV 44}
28
29test data-1.2 {data command, read sound from binary string} {
30  set s [snack::sound snd]
31  $s data "\x00\x00\xFF\x00\x00\x00" -byteorder littleEndian
32  set res [$s info]
33  $s destroy
34  set res
35} {3 16000 255 0 Lin16 1 RAW 0}
36
37test data-2.1 {data command, write sound to binary variable} {
38  set s [snack::sound snd -load ex1.wav]
39  set var [$s data -start 5000 -end 5001 -fileformat raw -byteorder bigEndian]
40  binary scan $var S out
41  $s destroy
42  set out
43} 7443
44
45test data-3.1 {data command, append binary variable} {
46  if [catch {set fd [open ex1.wav]} res] {
47    return $res
48  }
49  fconfigure $fd -translation binary
50  if {$::tcl_version > 8.0} {
51    fconfigure $fd -encoding binary
52  }
53  set data [read $fd]
54  set s [snack::sound snd]
55  $s length 1000
56  $s append $data
57  set res [list [$s sample 999] [$s sample 6000] [$s sample 11000]]
58  $s destroy
59  set res
60} {0 7443 779}
61
62test data-4.1 {append command, append binary string} {
63  set s [snack::sound snd]
64  $s append "\x00\x00\x40\x00\x00\x00" -byteorder littleEndian
65  set res [$s info]
66  $s destroy
67  set res
68} {3 16000 64 0 Lin16 1 RAW 0}
69
70test data-4.2 {append command, append binary string} {
71  set s [snack::sound snd]
72  $s append "\x00\x00\x00\x40\x00\x00" -byteorder littleEndian
73  set res [$s info]
74  $s destroy
75  set res
76} {3 16000 16384 0 Lin16 1 RAW 0}
77
78test data-4.3 {append command, append binary string} {
79  set s [snack::sound snd]
80  $s append "\xff\xc0\x00\x40\x00\x00" -byteorder bigendian
81  set res [$s info]
82  $s destroy
83  set res
84} {3 16000 64 -64 Lin16 1 RAW 0}
85
86test data-4.4 {append command, append binary string} {
87  set s [snack::sound snd]
88  $s append "\xc0\xff\x40\x00\x00\x00" -byteorder littleendian
89  set res [$s info]
90  $s destroy
91  set res
92} {3 16000 64 -64 Lin16 1 RAW 0}
93
94test data-4.5 {append command, append binary string} {
95  set s [snack::sound snd]
96  $s append "\xff\xc0\x00\x40\x00\x00" -guessproperties yes
97  set res [$s info]
98  $s destroy
99  set res
100} {3 16000 64 -64 Lin16 1 RAW 0}
101
102test data-4.6 {append command, append binary string} {
103  set s [snack::sound snd]
104  $s append "\xc0\xff\x40\x00\x00\x00" -guessproperties yes
105  set res [$s info]
106  $s destroy
107  set res
108} {3 16000 64 -64 Lin16 1 RAW 0}
109
110test data-4.7 {append command, missing arg} {
111  set s [snack::sound snd]
112  catch {$s append} res
113  $s destroy
114  set res
115} {wrong # args: should be "snd append variable"}
116
117test data-5.1 {data command, initial data byte is '-'} {
118  set s [snack::sound snd]
119  $s data "-\x00" -byteorder littleEndian
120  set res [$s info]
121  $s destroy
122  set res
123} {1 16000 45 45 Lin16 1 RAW 0}
124
125# cleanup
126::tcltest::cleanupTests
127return
128