1 files changed, 33 insertions, 0 deletions
diff --git a/spec/ruby/library/net-http/http/set_debug_output_spec.rb b/spec/ruby/library/net-http/http/set_debug_output_spec.rb
new file mode 100644
index 0000000000..5ceecb39fb
--- /dev/null
+++ b/spec/ruby/library/net-http/http/set_debug_output_spec.rb
@@ -0,0 +1,33 @@
+require_relative '../../../spec_helper'
+require 'net/http'
+require "stringio"
+require_relative 'fixtures/http_server'
+
+describe "Net::HTTP#set_debug_output when passed io" do
+  before :each do
+    NetHTTPSpecs.start_server
+    @http = Net::HTTP.new("localhost", NetHTTPSpecs.port)
+  end
+
+  after :each do
+    @http.finish if @http.started?
+    NetHTTPSpecs.stop_server
+  end
+
+  it "sets the passed io as output stream for debugging" do
+    io = StringIO.new
+
+    @http.set_debug_output(io)
+    @http.start
+    io.string.should_not be_empty
+    size = io.string.size
+
+    @http.get("/")
+    io.string.size.should > size
+  end
+
+  it "outputs a warning when the connection has already been started" do
+    @http.start
+    -> { @http.set_debug_output(StringIO.new) }.should complain(/Net::HTTP#set_debug_output called after HTTP started/)
+  end
+end