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synced 2022-11-09 12:17:21 -05:00
70 lines
1.7 KiB
Ruby
70 lines
1.7 KiB
Ruby
# frozen_string_literal: false
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require 'test/unit'
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require "-test-/rational"
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class TestRational < Test::Unit::TestCase
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class TestGCD < Test::Unit::TestCase
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def test_gcd_normal
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x = 2*2*3*3*3
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y = 2*2*2*3*3
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gcd = 2*2*3*3
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assert_equal(gcd, Bug::Rational.gcd_normal(x, y))
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end
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def test_gcd_gmp
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x = 2*2*3*3*3
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y = 2*2*2*3*3
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gcd = 2*2*3*3
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assert_equal(gcd, Bug::Rational.gcd_gmp(x, y))
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rescue NotImplementedError
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end
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def test_gcd_gmp_brute_force
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-13.upto(13) {|x|
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-13.upto(13) {|y|
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assert_equal(Bug::Rational.gcd_normal(x, y), Bug::Rational.gcd_gmp(x, y))
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}
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}
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rescue NotImplementedError
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end
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end
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def test_rb_rational_raw
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rat = Bug::Rational.raw(1, 2)
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assert_equal(1, rat.numerator)
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assert_equal(2, rat.denominator)
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rat = Bug::Rational.raw(-1, 2)
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assert_equal(-1, rat.numerator)
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assert_equal(2, rat.denominator)
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rat = Bug::Rational.raw(1, -2)
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assert_equal(-1, rat.numerator)
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assert_equal(2, rat.denominator)
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assert_equal(1/2r, Bug::Rational.raw(1.0, 2.0))
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assert_raise(TypeError) { Bug::Rational.raw("1", 2) }
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assert_raise(TypeError) { Bug::Rational.raw(1, "2") }
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class << (o = Object.new)
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def to_i; 42; end
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end
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assert_raise(TypeError) { Bug::Rational.raw(o, 2) }
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assert_raise(TypeError) { Bug::Rational.raw(1, o) }
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class << (o = Object.new)
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def to_int; 42; end
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end
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rat = Bug::Rational.raw(o, 2)
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assert_equal(42, rat.numerator)
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assert_equal(2, rat.denominator)
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rat = Bug::Rational.raw(2, o)
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assert_equal(2, rat.numerator)
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assert_equal(42, rat.denominator)
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end
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end
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