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require 'test/unit'
class TestNumeric < Test::Unit::TestCase
def test_VERY_EQUAL # '==='
assert(1.0 === 1)
assert(1 === 1.0)
assert(1.1 === 1.1)
end
def test_coerce
assert_equal([2.5, 1.0], 1.coerce(2.5))
assert_equal([3.0, 1.2], 1.2.coerce(3))
assert_equal([2, 1], 1.coerce(2))
end
def test_eql?
assert(1.eql?(1))
assert(1.0.eql?(1.0))
assert(!(1.eql?(1.0)))
assert(!(1.0.eql?(1)))
end
def test_integer?
assert(1.integer?)
assert((10**50).integer?)
assert(!1.2.integer?)
end
def test_nonzero?
assert_equal(nil, 0.nonzero?)
assert_equal(1, 1.nonzero?)
assert_equal(10**50, (10**50).nonzero?)
assert_equal(1.2, 1.2.nonzero?)
end
def test_zero?
assert_equal(true, 0.zero?)
assert_equal(true, 0.0.zero?)
assert_equal(false, 1.zero?)
assert_equal(false, 1.1.zero?)
end
end
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