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# Commands covered: sound concatenate
#
package require -exact snack 2.2
if {[lsearch [namespace children] ::tcltest] == -1} {
package require tcltest
namespace import ::tcltest::*
}
test concatenate-1.1 {concatenate command} {
set s1 [snack::sound snd1 -load ex1.wav]
set s2 [snack::sound snd2]
$s2 length 1000
$s2 concatenate $s1
set res [list [$s2 sample 999] [$s2 sample 6000] [$s2 sample 11000]]
$s1 destroy
$s2 destroy
set res
} {0 7443 779}
test concatenate-1.2 {concatenate command, stereo} {
set s1 [snack::sound snd1 -channels 2]
set s2 [snack::sound snd2 -channels 2]
$s1 length 1000
$s1 sample 999 1 2
$s2 length 1000
$s2 sample 0 3 4
$s1 concatenate $s2
set res [list [$s1 sample 999] [$s1 sample 1000]]
$s1 destroy
$s2 destroy
set res
} {{1 2} {3 4}}
test concatenate-1.3 {concatenate command, 3 channels} {
set s1 [snack::sound snd1 -channels 3]
set s2 [snack::sound snd2 -channels 3]
$s1 length 1000
$s1 sample 999 1 2 3
$s2 length 1000
$s2 sample 0 4 5 6
$s1 concatenate $s2
set res [list [$s1 sample 999] [$s1 sample 1000]]
$s1 destroy
$s2 destroy
set res
} {{1 2 3} {4 5 6}}
# cleanup
::tcltest::cleanupTests
return
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