mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
46 lines
1,000 B
Ruby
46 lines
1,000 B
Ruby
# frozen_string_literal: false
|
|
require 'test/unit'
|
|
require "-test-/rational"
|
|
|
|
class TestRational < Test::Unit::TestCase
|
|
class TestGCD < Test::Unit::TestCase
|
|
|
|
def test_gcd_normal
|
|
x = 2*2*3*3*3
|
|
y = 2*2*2*3*3
|
|
gcd = 2*2*3*3
|
|
assert_equal(gcd, x.gcd_normal(y))
|
|
end
|
|
|
|
def test_gcd_gmp
|
|
x = 2*2*3*3*3
|
|
y = 2*2*2*3*3
|
|
gcd = 2*2*3*3
|
|
assert_equal(gcd, x.gcd_gmp(y))
|
|
rescue NotImplementedError
|
|
end
|
|
|
|
def test_gcd_gmp_brute_force
|
|
-13.upto(13) {|x|
|
|
-13.upto(13) {|y|
|
|
assert_equal(x.gcd_normal(y), x.gcd_gmp(y))
|
|
}
|
|
}
|
|
rescue NotImplementedError
|
|
end
|
|
end
|
|
|
|
def test_rb_rational_raw
|
|
rat = Rational.raw(1, 2)
|
|
assert_equal(1, rat.numerator)
|
|
assert_equal(2, rat.denominator)
|
|
|
|
rat = Rational.raw(-1, 2)
|
|
assert_equal(-1, rat.numerator)
|
|
assert_equal(2, rat.denominator)
|
|
|
|
rat = Rational.raw(1, -2)
|
|
assert_equal(-1, rat.numerator)
|
|
assert_equal(2, rat.denominator)
|
|
end
|
|
end
|