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require 'test/unit'
class TestTrueClass < Test::Unit::TestCase
# FIXME: This needs to be moved to a common location.
def truth_table(method, *result)
for a in [ false, true ]
expected = result.shift
assert_equal(expected, method.call(a))
assert_equal(expected, method.call(a ? self : nil))
end
end
def test_00sanity
assert_equal(true,TRUE)
end
def test_and # '&'
truth_table(true.method("&"), false, true)
end
def test_or # '|'
truth_table(true.method("|"), true, true)
end
def test_carat # '^'
truth_table(true.method("^"), true, false)
end
def test_to_s
assert_equal("true", true.to_s)
assert_equal("true", TRUE.to_s)
end
def test_type
assert_equal(TrueClass, true.class)
assert_equal(TrueClass, TRUE.class)
end
end
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