1 files changed, 33 insertions, 0 deletions
diff --git a/test/openssl/test_bn.rb b/test/openssl/test_bn.rb
index 3f0622f94f..ea88ff06ce 100644
--- a/test/openssl/test_bn.rb
+++ b/test/openssl/test_bn.rb
@@ -174,6 +174,14 @@ class OpenSSL::TestBN < OpenSSL::TestCase
     assert_equal(0, 59.to_bn.mod_sqr(59))
   end
 
+  def test_mod_sqrt
+    assert_equal(4, 4.to_bn.mod_sqrt(5).mod_sqr(5))
+    # One of 189484 or 326277 is returned as a square root of 2 (mod 515761).
+    assert_equal(2, 2.to_bn.mod_sqrt(515761).mod_sqr(515761))
+    assert_equal(0, 5.to_bn.mod_sqrt(5))
+    assert_raise(OpenSSL::BNError) { 3.to_bn.mod_sqrt(5) }
+  end
+
   def test_mod_inverse
     assert_equal(2, 3.to_bn.mod_inverse(5))
     assert_raise(OpenSSL::BNError) { 3.to_bn.mod_inverse(6) }
@@ -334,6 +342,31 @@ class OpenSSL::TestBN < OpenSSL::TestCase
     e.set_flags(0)
     assert_equal(4, e.get_flags(OpenSSL::BN::CONSTTIME))
   end
+
+  if respond_to?(:ractor)
+    ractor
+    def test_ractor
+      assert_equal(@e1, Ractor.new { OpenSSL::BN.new("999") }.take)
+      assert_equal(@e3, Ractor.new { OpenSSL::BN.new("\a\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF", 2) }.take)
+      assert_equal("999", Ractor.new(@e1) { |e1| e1.to_s }.take)
+      assert_equal("07FFFFFFFFFFFFFFFFFFFFFFFFFF", Ractor.new(@e3) { |e3| e3.to_s(16) }.take)
+      assert_equal(2**107-1, Ractor.new(@e3) { _1.to_i }.take)
+      assert_equal([1000, -999], Ractor.new(@e2) { _1.coerce(1000) }.take)
+      assert_equal(false, Ractor.new  { 1.to_bn.zero? }.take)
+      assert_equal(true, Ractor.new { 1.to_bn.one? }.take)
+      assert_equal(true, Ractor.new(@e2) { _1.negative? }.take)
+      assert_equal("-03E7", Ractor.new(@e2) { _1.to_s(16) }.take)
+      assert_equal(2**107-1, Ractor.new(@e3) { _1.to_i }.take)
+      assert_equal([1000, -999], Ractor.new(@e2) { _1.coerce(1000) }.take)
+      assert_equal(true, Ractor.new { 0.to_bn.zero? }.take)
+      assert_equal(true, Ractor.new { 1.to_bn.one? }.take )
+      assert_equal(false,Ractor.new { 2.to_bn.odd? }.take)
+      assert_equal(true, Ractor.new(@e2) { _1.negative? }.take)
+      assert_include(128..255, Ractor.new { OpenSSL::BN.rand(8)}.take)
+      assert_include(0...2**32, Ractor.new { OpenSSL::BN.generate_prime(32) }.take)
+      assert_equal(0, Ractor.new { OpenSSL::BN.new(999).get_flags(OpenSSL::BN::CONSTTIME) }.take)
+    end
+  end
 end
 
 end