test/-ext-/bignum/test_str2big.rb


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# frozen_string_literal: false
require 'test/unit'
require "-test-/bignum"

class TestBignum_Str2big < Test::Unit::TestCase

  SIZEOF_BDIGIT = Bug::Bignum::SIZEOF_BDIGIT
  BITSPERDIG = Bug::Bignum::BITSPERDIG
  BDIGMAX = (1 << BITSPERDIG) - 1

  def test_str2big_poweroftwo
    s = "1" + "0" * 1000
    n = 16 ** 1000
    assert_equal(n, Bug::Bignum.str2big_poweroftwo(s, 16, true))
  end

  def test_str2big_normal
    s = "1" + "0" * 1000
    n = 10 ** 1000
    assert_equal(n, Bug::Bignum.str2big_normal(s, 10, true))
  end

  def test_str2big_karatsuba
    s = "1" + "0" * 1000
    n = 10 ** 1000
    assert_equal(n, Bug::Bignum.str2big_karatsuba(s, 10, true))
  end

  def test_str2big_gmp
    s = "1" + "0" * 1000
    n = 10 ** 1000
    assert_equal(n, Bug::Bignum.str2big_gmp(s, 10, true))
  rescue NotImplementedError
  end

end