ideal • runtime • characters • test_character

class test character handler

import ideal • machine • characters • normal handler

testcase predicate test()

the character handler : normal handler • instance

assert the character handler • is letter('x')

assert !the character handler • is letter('6')

assert the character handler • is letter or digit('x')

assert the character handler • is letter or digit('8')

assert !the character handler • is letter or digit(' ')

assert the character handler • is whitespace(' ')

assert !the character handler • is whitespace('x')

assert !the character handler • is whitespace('4')

assert the character handler • is upper case('X')

assert !the character handler • is upper case('x')

assert !the character handler • is upper case('5')

testcase conversion test()

the character handler : normal handler • instance

assert the character handler • to lower case('X') == 'x'

assert the character handler • to lower case('x') == 'x'

assert the character handler • to lower case('5') == '5'