1 files changed, 21 insertions, 0 deletions
diff --git a/spec/ruby/library/socket/udpsocket/write_spec.rb b/spec/ruby/library/socket/udpsocket/write_spec.rb
new file mode 100644
index 0000000000..11e38bb470
--- /dev/null
+++ b/spec/ruby/library/socket/udpsocket/write_spec.rb
@@ -0,0 +1,21 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require File.expand_path('../../fixtures/classes', __FILE__)
+
+describe "UDPSocket#write" do
+  it "raises EMSGSIZE if msg is too long" do
+    begin
+      host = SocketSpecs.hostname
+      s1 = UDPSocket.new
+      s1.bind(host, 0)
+      s2 = UDPSocket.new
+      s2.connect(host, s1.addr[1])
+
+      lambda do
+        s2.write('1' * 100_000)
+      end.should raise_error(Errno::EMSGSIZE)
+    ensure
+      s1.close if s1 && !s1.closed?
+      s2.close if s2 && !s2.closed?
+    end
+  end
+end