34 lines
749 B
Ruby
34 lines
749 B
Ruby
require File.expand_path(File.dirname(__FILE__) + '/edgecase')
|
|
|
|
class AboutTrueAndFalse < EdgeCase::Koan
|
|
def truth_value(condition)
|
|
if condition
|
|
:true_stuff
|
|
else
|
|
:false_stuff
|
|
end
|
|
end
|
|
|
|
def test_true_is_treated_as_true
|
|
assert_equal __, truth_value(true)
|
|
end
|
|
|
|
def test_false_is_treated_as_false
|
|
assert_equal __, truth_value(false)
|
|
end
|
|
|
|
def test_nil_is_treated_as_false_too
|
|
assert_equal __, truth_value(nil)
|
|
end
|
|
|
|
def test_everything_else_is_treated_as_true
|
|
assert_equal __, truth_value(1)
|
|
assert_equal __, truth_value(0)
|
|
assert_equal __, truth_value([])
|
|
assert_equal __, truth_value({})
|
|
assert_equal __, truth_value("Strings")
|
|
assert_equal __, truth_value("")
|
|
end
|
|
|
|
end
|