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# Commands covered: sound length
#
package require -exact snack 2.2
if {[lsearch [namespace children] ::tcltest] == -1} {
package require tcltest
namespace import ::tcltest::*
}
test length-1.1 {length command, get length in samples} {
set s [snack::sound snd -load ex1.wav]
set res [$s length -unit samples]
$s destroy
set res
} {15820}
test length-1.2 {length command, set length in samples} {
set s [snack::sound snd]
$s length 1000000 -unit samples
set res [$s length]
$s destroy
set res
} {1000000}
test length-1.3 {length command, set length in seconds} {
set s [snack::sound snd]
$s length 10 -unit seconds
set res [$s length]
$s destroy
set res
} {160000}
test length-1.4 {length command, get length in seconds} {
set s [snack::sound snd]
$s length 16000
set res [$s length -unit seconds]
$s destroy
set res
} {1.0}
test length-1.5 {length command, set length for linked sound} {
set s [snack::sound snd -file ""]
catch {$s length 1000000} msg
$s destroy
set msg
} {setting sound length only works with in-memory sounds}
test length-2.1 {length command, set length in samples, change channels} {
set s [snack::sound snd -channels 2]
$s length 1000000
$s configure -channels 1
set res [$s length]
$s destroy
set res
} {2000000}
test length-2.2 {length command, set length in samples, change channels} {
set s [snack::sound snd -channels 1]
$s length 900000
$s configure -channels 9
set res [$s length]
$s destroy
set res
} {100000}
# cleanup
::tcltest::cleanupTests
return
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