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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 :true_stuff, truth_value(true)
end
def test_false_is_treated_as_false
assert_equal :false_stuff, truth_value(false)
end
def test_nil_is_treated_as_false_too
assert_equal :false_stuff, truth_value(nil)
end
def test_everything_else_is_treated_as_true
assert_equal :true_stuff, truth_value(1)
assert_equal :true_stuff, truth_value(0)
assert_equal :true_stuff, truth_value([])
assert_equal :true_stuff, truth_value({})
assert_equal :true_stuff, truth_value("Strings")
assert_equal :true_stuff, truth_value("")
end
end
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