1 files changed, 96 insertions, 0 deletions
diff --git a/spec/ruby/library/socket/tcpserver/new_spec.rb b/spec/ruby/library/socket/tcpserver/new_spec.rb
new file mode 100644
index 0000000000..ddbe96d89d
--- /dev/null
+++ b/spec/ruby/library/socket/tcpserver/new_spec.rb
@@ -0,0 +1,96 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require File.expand_path('../../fixtures/classes', __FILE__)
+
+describe "TCPServer.new" do
+  after :each do
+    @server.close if @server && !@server.closed?
+  end
+
+  it "binds to a host and a port" do
+    @server = TCPServer.new('127.0.0.1', 0)
+    addr = @server.addr
+    addr[0].should == 'AF_INET'
+    addr[1].should be_kind_of(Fixnum)
+    # on some platforms (Mac), MRI
+    # returns comma at the end.
+    addr[2].should =~ /^#{SocketSpecs.hostname}\b/
+    addr[3].should == '127.0.0.1'
+  end
+
+  it "binds to localhost and a port with either IPv4 or IPv6" do
+    @server = TCPServer.new(SocketSpecs.hostname, 0)
+    addr = @server.addr
+    addr[1].should be_kind_of(Fixnum)
+    if addr[0] == 'AF_INET'
+      addr[2].should =~ /^#{SocketSpecs.hostname}\b/
+      addr[3].should == '127.0.0.1'
+    else
+      addr[2].should =~ /^#{SocketSpecs.hostnamev6}\b/
+      addr[3].should == '::1'
+    end
+  end
+
+  it "binds to INADDR_ANY if the hostname is empty" do
+    @server = TCPServer.new('', 0)
+    addr = @server.addr
+    addr[0].should == 'AF_INET'
+    addr[1].should be_kind_of(Fixnum)
+    addr[2].should == '0.0.0.0'
+    addr[3].should == '0.0.0.0'
+  end
+
+  it "binds to INADDR_ANY if the hostname is empty and the port is a string" do
+    @server = TCPServer.new('', 0)
+    addr = @server.addr
+    addr[0].should == 'AF_INET'
+    addr[1].should be_kind_of(Fixnum)
+    addr[2].should == '0.0.0.0'
+    addr[3].should == '0.0.0.0'
+  end
+
+  it "coerces port to string, then determines port from that number or service name" do
+    lambda { TCPServer.new(SocketSpecs.hostname, Object.new) }.should raise_error(TypeError)
+
+    port = Object.new
+    port.should_receive(:to_str).and_return("0")
+
+    @server = TCPServer.new(SocketSpecs.hostname, port)
+    addr = @server.addr
+    addr[1].should be_kind_of(Fixnum)
+
+    # TODO: This should also accept strings like 'https', but I don't know how to
+    # pick such a service port that will be able to reliably bind...
+  end
+
+  it "raises Errno::EADDRNOTAVAIL when the adress is unknown" do
+    lambda { TCPServer.new("1.2.3.4", 0) }.should raise_error(Errno::EADDRNOTAVAIL)
+  end
+
+  # There is no way to make this fail-proof on all machines, because
+  # DNS servers like opendns return A records for ANY host, including
+  # traditionally invalidly named ones.
+  quarantine! do
+    it "raises a SocketError when the host is unknown" do
+      lambda {
+        TCPServer.new("--notavalidname", 0)
+      }.should raise_error(SocketError)
+    end
+  end
+
+  it "raises Errno::EADDRINUSE when address is already in use" do
+    @server = TCPServer.new('127.0.0.1', 0)
+    lambda {
+      @server = TCPServer.new('127.0.0.1', @server.addr[1])
+    }.should raise_error(Errno::EADDRINUSE)
+  end
+
+  platform_is_not :windows, :aix do
+    # A known bug in AIX.  getsockopt(2) does not properly set
+    # the fifth argument for SO_REUSEADDR.
+    it "sets SO_REUSEADDR on the resulting server" do
+      @server = TCPServer.new('127.0.0.1', 0)
+      @server.getsockopt(:SOCKET, :REUSEADDR).data.should_not == "\x00\x00\x00\x00"
+      @server.getsockopt(:SOCKET, :REUSEADDR).int.should_not == 0
+    end
+  end
+end