support passing ssl_version as an argument to initialize SSLContext.new(:SSL_v3)

Author: kares

src/main/java/org/jruby/ext/openssl/SSLContext.java

@@ -265,6 +265,7 @@ public SSLContext(Ruby runtime, RubyClass type) {
 
     @JRubyMethod(rest = true, visibility = Visibility.PRIVATE)
     public IRubyObject initialize(IRubyObject[] args) {
+        if ( args.length > 0 ) set_ssl_version(args[0]);
         return this;
     }
 

src/test/ruby/ssl/test_context.rb

@@ -11,6 +11,15 @@ def test_methods
     assert ! methods.include?(:'TLSv1.1')
   end
 
+  def test_context_new
+    OpenSSL::SSL::SSLContext.new
+
+    OpenSSL::SSL::SSLContext.new :SSLv3
+    assert_raises ArgumentError do
+      OpenSSL::SSL::SSLContext.new "TLSv42"
+    end
+  end
+
   def test_context_set_ssl_version
     context = OpenSSL::SSL::SSLContext.new
     context.ssl_version = "TLSv1"