53 lines
1,012 B
Ruby
53 lines
1,012 B
Ruby
require_relative 'main'
|
|
require 'test/unit'
|
|
|
|
class TestStringToInt < Test::Unit::TestCase
|
|
def test_simple_string
|
|
assert_equal(42, my_atoi('42'))
|
|
end
|
|
|
|
def test_spaces
|
|
assert_equal(-42, my_atoi(' -42'))
|
|
end
|
|
|
|
def test_words_after_number
|
|
assert_equal(4193, my_atoi('4193 with words'))
|
|
end
|
|
|
|
def test_zeros
|
|
assert_equal(32, my_atoi('0032'))
|
|
end
|
|
|
|
def test_max_int
|
|
assert_equal(2_147_483_647, my_atoi('2147483648'))
|
|
end
|
|
|
|
def test_min_int
|
|
assert_equal(-2_147_483_648, my_atoi('-2147483649'))
|
|
end
|
|
|
|
def test_invalid_string
|
|
assert_equal(0, my_atoi('words and 987'))
|
|
end
|
|
|
|
def test_garbage_after_number
|
|
assert_equal(3, my_atoi('3.14748'))
|
|
end
|
|
|
|
def test_multiple_signs
|
|
assert_equal(0, my_atoi('+-12'))
|
|
end
|
|
|
|
def test_sign_after_number
|
|
assert_equal(0, my_atoi('00000-42a1234'))
|
|
end
|
|
|
|
def test_minus_after_negative_number
|
|
assert_equal(-5, my_atoi('-5-'))
|
|
end
|
|
|
|
def test_space_after_sign
|
|
assert_equal(0, my_atoi(' + 413'))
|
|
end
|
|
end
|