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# Commands covered: sound crop
#
package require -exact snack 2.2
if {[lsearch [namespace children] ::tcltest] == -1} {
package require tcltest
namespace import ::tcltest::*
}
test crop-1.1 {crop command} {
set s [snack::sound snd]
$s length 300000
$s sample 1000 17
$s sample 299000 17
$s crop 1000 299000
set res [list [$s sample 0] [$s sample 298000]]
$s destroy
set res
} {17 17}
test crop-1.2 {crop command, stereo} {
set s [snack::sound snd -channels 2]
$s length 300000
$s sample 1000 17 18
$s sample 299000 17 18
$s crop 1000 299000
set res [list [$s sample 0] [$s sample 298000]]
$s destroy
set res
} {{17 18} {17 18}}
test crop-1.3 {crop command, 3 channels} {
set s [snack::sound snd -channels 3]
$s length 300000
$s sample 1000 17 18 19
$s sample 299000 17 18 19
$s crop 1000 299000
set res [list [$s sample 0] [$s sample 298000]]
$s destroy
set res
} {{17 18 19} {17 18 19}}
# cleanup
::tcltest::cleanupTests
return
|
