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# frozen_string_literal: false
require_relative 'utils'
if defined?(OpenSSL::TestUtils)
class OpenSSL::TestBN < Test::Unit::TestCase
def test_new_str
e1 = OpenSSL::BN.new(999.to_s(16), 16) # OpenSSL::BN.new(str, 16) must be most stable
e2 = OpenSSL::BN.new((2**107-1).to_s(16), 16)
assert_equal(e1, OpenSSL::BN.new("999"))
assert_equal(e2, OpenSSL::BN.new((2**107-1).to_s))
assert_equal(e1, OpenSSL::BN.new("999", 10))
assert_equal(e2, OpenSSL::BN.new((2**107-1).to_s, 10))
assert_equal(e1, OpenSSL::BN.new("\x03\xE7", 2))
assert_equal(e2, OpenSSL::BN.new("\a\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 2))
assert_equal(e1, OpenSSL::BN.new("\x00\x00\x00\x02\x03\xE7", 0))
assert_equal(e2, OpenSSL::BN.new("\x00\x00\x00\x0E\a\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 0))
end
def test_new_bn
e1 = OpenSSL::BN.new(999.to_s(16), 16)
e2 = OpenSSL::BN.new((2**107-1).to_s(16), 16)
assert_equal(e1, OpenSSL::BN.new(e1))
assert_equal(e2, OpenSSL::BN.new(e2))
end
def test_new_integer
assert_equal(999.to_bn, OpenSSL::BN.new(999))
assert_equal((2 ** 107 - 1).to_bn, OpenSSL::BN.new(2 ** 107 - 1))
assert_equal(-999.to_bn, OpenSSL::BN.new(-999))
assert_equal((-(2 ** 107 - 1)).to_bn, OpenSSL::BN.new(-(2 ** 107 - 1)))
end
def test_to_bn
e1 = OpenSSL::BN.new(999.to_s(16), 16)
e2 = OpenSSL::BN.new((2**107-1).to_s(16), 16)
assert_equal(e1, 999.to_bn)
assert_equal(e2, (2**107-1).to_bn)
end
def test_prime_p
assert_equal(true, OpenSSL::BN.new((2 ** 107 - 1).to_s(16), 16).prime?)
assert_equal(true, OpenSSL::BN.new((2 ** 127 - 1).to_s(16), 16).prime?(1))
end
def test_cmp_nil
bn = OpenSSL::BN.new('1')
assert_equal(false, bn == nil)
assert_equal(true, bn != nil)
end
end
end
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