1 files changed, 92 insertions, 1 deletions
diff --git a/spec/ruby/library/socket/socket/sysaccept_spec.rb b/spec/ruby/library/socket/socket/sysaccept_spec.rb
index 1658a2b81f..17b1a8a2f0 100644
--- a/spec/ruby/library/socket/socket/sysaccept_spec.rb
+++ b/spec/ruby/library/socket/socket/sysaccept_spec.rb
@@ -1,2 +1,93 @@
-require_relative '../../../spec_helper'
+require_relative '../spec_helper'
 require_relative '../fixtures/classes'
+
+describe 'Socket#sysaccept' do
+  SocketSpecs.each_ip_protocol do |family, ip_address|
+    before do
+      @server   = Socket.new(family, :STREAM)
+      @sockaddr = Socket.sockaddr_in(0, ip_address)
+    end
+
+    after do
+      @server.close
+    end
+
+    platform_is_not :windows do # hangs
+      describe 'using an unbound socket'  do
+        it 'raises Errno::EINVAL' do
+          lambda { @server.sysaccept }.should raise_error(Errno::EINVAL)
+        end
+      end
+
+      describe "using a bound socket that's not listening" do
+        before do
+          @server.bind(@sockaddr)
+        end
+
+        it 'raises Errno::EINVAL' do
+          lambda { @server.sysaccept }.should raise_error(Errno::EINVAL)
+        end
+      end
+    end
+
+    describe "using a bound socket that's listening" do
+      before do
+        @server.bind(@sockaddr)
+        @server.listen(1)
+
+        server_ip    = @server.local_address.ip_port
+        @server_addr = Socket.sockaddr_in(server_ip, ip_address)
+      end
+
+      after do
+        Socket.for_fd(@fd).close if @fd
+      end
+
+      describe 'without a connected client' do
+        before do
+          @client = Socket.new(family, :STREAM)
+        end
+
+        after do
+          @client.close
+        end
+
+        it 'blocks the caller until a connection is available' do
+          thread = Thread.new do
+            @fd, _ = @server.sysaccept
+          end
+
+          @client.connect(@server_addr)
+
+          thread.join(5)
+
+          thread.value.should be_an_instance_of(Array)
+        end
+      end
+
+      describe 'with a connected client' do
+        before do
+          @client = Socket.new(family, :STREAM)
+          @client.connect(@server.getsockname)
+        end
+
+        after do
+          @client.close
+        end
+
+        it 'returns an Array containing a Fixnum and an Addrinfo' do
+          @fd, addrinfo = @server.sysaccept
+
+          @fd.should be_an_instance_of(Fixnum)
+          addrinfo.should be_an_instance_of(Addrinfo)
+        end
+
+        it 'returns a new file descriptor' do
+          @fd, _ = @server.sysaccept
+
+          @fd.should_not == @client.fileno
+        end
+      end
+    end
+  end
+end