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require 'test/unit'
class TestFalseClass < Test::Unit::TestCase
# FIXME: This should probably be moved to a common file somewhere.
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(false, FALSE)
end
def test_and # '&'
truth_table(false.method("&"), false, false)
end
def test_or # '|'
truth_table(false.method("|"), false, true)
end
def test_carat # '^'
truth_table(false.method("^"), false, true)
end
def test_to_s
assert_equal("false", false.to_s)
assert_equal("false", FALSE.to_s)
end
def test_type
assert_equal(FalseClass, false.class)
assert_equal(FalseClass, FALSE.class)
end
end
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