import ruby trunk

1 files changed, 52 insertions, 0 deletions

diff --git a/test/test_bn.rb b/test/test_bn.rb
new file mode 100644
index 00000000..27bbcdfe
--- /dev/null
+++ b/test/test_bn.rb
@@ -0,0 +1,52 @@
+require_relative 'utils'
+
+if defined?(OpenSSL)
+
+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