To manually test this, recompose existing text via IME and observe the resulting debug messages.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


beforeinput(inputType = 'deleteByComposition', data = 'null', cancelable = true)
input(inputType = 'deleteByComposition', data = 'null', cancelable = false)
beforeinput(inputType = 'insertCompositionText', data = 'abc', cancelable = false)
input(inputType = 'insertCompositionText', data = 'abc', cancelable = false)
beforeinput(inputType = 'insertCompositionText', data = 'def', cancelable = false)
input(inputType = 'insertCompositionText', data = 'def', cancelable = false)
beforeinput(inputType = 'insertCompositionText', data = 'ghi', cancelable = false)
input(inputType = 'insertCompositionText', data = 'ghi', cancelable = false)
beforeinput(inputType = 'deleteCompositionText', data = 'null', cancelable = false)
input(inputType = 'deleteCompositionText', data = 'null', cancelable = false)
beforeinput(inputType = 'insertFromComposition', data = 'ghi', cancelable = true)
input(inputType = 'insertFromComposition', data = 'ghi', cancelable = false)
compositionend(data = 'ghi')
PASS successfullyParsed is true

TEST COMPLETE