Add spec for nonblock Socket APIs with exception: false

Author: eregon

spec/ruby/library/socket/basicsocket/recv_nonblock_spec.rb

@@ -35,6 +35,11 @@
       }
     end
 
+    it "returns :wait_readable with exception: false" do
+      @s1.bind(Socket.pack_sockaddr_in(0, ip_address))
+      @s1.recv_nonblock(5, exception: false).should == :wait_readable
+    end
+
     it "receives data after it's ready" do
       @s1.bind(Socket.pack_sockaddr_in(0, ip_address))
       @s2.send("aaa", 0, @s1.getsockname)

spec/ruby/library/socket/basicsocket/recvmsg_nonblock_spec.rb

@@ -31,6 +31,10 @@
           it 'raises an exception extending IO::WaitReadable' do
             lambda { @server.recvmsg_nonblock }.should raise_error(IO::WaitReadable)
           end
+
+          it 'returns :wait_readable with exception: false' do
+            @server.recvmsg_nonblock(exception: false).should == :wait_readable
+          end
         end
 
         describe 'with data available' do

spec/ruby/library/socket/basicsocket/sendmsg_nonblock_spec.rb

@@ -98,6 +98,15 @@
             10.times { @client.sendmsg_nonblock('hello' * 1_000_000) }
           }.should raise_error(IO::WaitWritable)
         end
+
+        it 'returns :wait_writable when the underlying buffer is full with exception: false' do
+          ret = nil
+          10.times {
+            ret = @client.sendmsg_nonblock('hello' * 1_000_000, exception: false)
+            break unless ret.is_a?(Integer)
+          }
+          ret.should == :wait_writable
+        end
       end
     end
   end

spec/ruby/library/socket/socket/recvfrom_nonblock_spec.rb

@@ -31,6 +31,10 @@
         it 'raises IO::WaitReadable' do
           lambda { @server.recvfrom_nonblock(1) }.should raise_error(IO::WaitReadable)
         end
+
+        it 'returns :wait_readable with exception: false' do
+          @server.recvfrom_nonblock(1, exception: false).should == :wait_readable
+        end
       end
 
       describe 'with data available' do

spec/ruby/library/socket/udpsocket/recvfrom_nonblock_spec.rb

@@ -34,6 +34,10 @@
         it 'raises IO::WaitReadable' do
           lambda { @server.recvfrom_nonblock(1) }.should raise_error(IO::WaitReadable)
         end
+
+        it 'returns :wait_readable with exception: false' do
+          @server.recvfrom_nonblock(1, exception: false).should == :wait_readable
+        end
       end
 
       platform_is_not :windows do