bn: add OpenSSL::BN#inspectky/bn-inspect

2 files changed, 10 insertions, 0 deletions

diff --git a/lib/openssl/bn.rb b/lib/openssl/bn.rb
index 0a5e11b4..aff99f8a 100644
--- a/lib/openssl/bn.rb
+++ b/lib/openssl/bn.rb
@@ -17,10 +17,15 @@ module OpenSSL
   class BN
     include Comparable
 
+    def inspect
+      "#<%s %s (%d bit)>" % [self.class, to_s(16), num_bits]
+    end
+
     def pretty_print(q)
       q.object_group(self) {
         q.text ' '
         q.text to_i.to_s
+        q.text " (#{num_bits} bit)"
       }
     end
   end # BN
diff --git a/test/openssl/test_bn.rb b/test/openssl/test_bn.rb
index 1ed4bbee..a365b86e 100644
--- a/test/openssl/test_bn.rb
+++ b/test/openssl/test_bn.rb
@@ -2,6 +2,7 @@
 # frozen_string_literal: true
 require_relative 'utils'
 require "prime"
+require "pp"
 
 if defined?(OpenSSL)
 
@@ -73,6 +74,10 @@ class OpenSSL::TestBN < OpenSSL::TestCase
     assert_equal("\x00\x00\x00\x0e\x87\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff", @e4.to_s(0))
   end
 
+  def test_inspect
+    assert_equal("#<OpenSSL::BN 04D2 (11 bit)>", 1234.to_bn.inspect)
+  end
+
   def test_to_int
     assert_equal(999, @e1.to_i)
     assert_equal(-999, @e2.to_i)