1 files changed, 88 insertions, 0 deletions
diff --git a/spec/ruby/library/socket/udpsocket/recvfrom_nonblock_spec.rb b/spec/ruby/library/socket/udpsocket/recvfrom_nonblock_spec.rb
new file mode 100644
index 0000000000..48b7360035
--- /dev/null
+++ b/spec/ruby/library/socket/udpsocket/recvfrom_nonblock_spec.rb
@@ -0,0 +1,88 @@
+require_relative '../spec_helper'
+require_relative '../fixtures/classes'
+
+describe 'UDPSocket#recvfrom_nonblock' do
+  SocketSpecs.each_ip_protocol do |family, ip_address, family_name|
+    before do
+      @server = UDPSocket.new(family)
+      @client = UDPSocket.new(family)
+    end
+
+    after do
+      @client.close
+      @server.close
+    end
+
+    platform_is_not :windows do
+      describe 'using an unbound socket' do
+        it 'raises IO::WaitReadable' do
+          lambda { @server.recvfrom_nonblock(1) }.should raise_error(IO::WaitReadable)
+        end
+      end
+    end
+
+    describe 'using a bound socket' do
+      before do
+        @server.bind(ip_address, 0)
+
+        addr = @server.connect_address
+
+        @client.connect(addr.ip_address, addr.ip_port)
+      end
+
+      describe 'without any data available' do
+        it 'raises IO::WaitReadable' do
+          lambda { @server.recvfrom_nonblock(1) }.should raise_error(IO::WaitReadable)
+        end
+      end
+
+      platform_is_not :windows do
+        describe 'with data available' do
+          before do
+            @client.write('hello')
+          end
+
+          it 'returns an Array containing the data and an Array' do
+            @server.recvfrom_nonblock(1).should be_an_instance_of(Array)
+          end
+
+          describe 'the returned Array' do
+            before do
+              @array = @server.recvfrom_nonblock(1)
+            end
+
+            it 'contains the data at index 0' do
+              @array[0].should == 'h'
+            end
+
+            it 'contains an Array at index 1' do
+              @array[1].should be_an_instance_of(Array)
+            end
+          end
+
+          describe 'the returned address Array' do
+            before do
+              @addr = @server.recvfrom_nonblock(1)[1]
+            end
+
+            it 'uses the correct address family' do
+              @addr[0].should == family_name
+            end
+
+            it 'uses the port of the client' do
+              @addr[1].should == @client.local_address.ip_port
+            end
+
+            it 'uses the hostname of the client' do
+              @addr[2].should == ip_address
+            end
+
+            it 'uses the IP address of the client' do
+              @addr[3].should == ip_address
+            end
+          end
+        end
+      end
+    end
+  end
+end