Re-add socket specs

* This reverts commit df9521fd043df1fb862e46f9b1af83223f16eb2d:
  "Remove failing spec files"
* Platform guards follow in the next commits.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64452 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 113 insertions, 0 deletions

diff --git a/spec/ruby/library/socket/constants/constants_spec.rb b/spec/ruby/library/socket/constants/constants_spec.rb
new file mode 100644
index 0000000000..81ba4ed17b
--- /dev/null
+++ b/spec/ruby/library/socket/constants/constants_spec.rb
@@ -0,0 +1,113 @@
+require_relative '../spec_helper'
+require_relative '../fixtures/classes'
+
+describe "Socket::Constants" do
+  it "defines socket types" do
+    consts = ["SOCK_DGRAM", "SOCK_RAW", "SOCK_RDM", "SOCK_SEQPACKET", "SOCK_STREAM"]
+    consts.each do |c|
+      Socket::Constants.should have_constant(c)
+    end
+  end
+
+  it "defines protocol families" do
+    consts = ["PF_INET6", "PF_INET", "PF_UNIX", "PF_UNSPEC"]
+    consts.each do |c|
+      Socket::Constants.should have_constant(c)
+    end
+  end
+
+  platform_is_not :aix do
+    it "defines PF_IPX protocol" do
+      Socket::Constants.should have_constant("PF_IPX")
+    end
+  end
+
+  it "defines address families" do
+    consts = ["AF_INET6", "AF_INET", "AF_UNIX", "AF_UNSPEC"]
+    consts.each do |c|
+      Socket::Constants.should have_constant(c)
+    end
+  end
+
+  platform_is_not :aix do
+    it "defines AF_IPX address" do
+      Socket::Constants.should have_constant("AF_IPX")
+    end
+  end
+
+  it "defines send/receive options" do
+    consts = ["MSG_DONTROUTE", "MSG_OOB", "MSG_PEEK"]
+    consts.each do |c|
+      Socket::Constants.should have_constant(c)
+    end
+  end
+
+  it "defines socket level options" do
+    consts = ["SOL_SOCKET"]
+    consts.each do |c|
+      Socket::Constants.should have_constant(c)
+    end
+  end
+
+  it "defines socket options" do
+    consts = ["SO_BROADCAST", "SO_DEBUG", "SO_DONTROUTE", "SO_ERROR", "SO_KEEPALIVE", "SO_LINGER",
+              "SO_OOBINLINE", "SO_RCVBUF", "SO_REUSEADDR", "SO_SNDBUF", "SO_TYPE"]
+    consts.each do |c|
+      Socket::Constants.should have_constant(c)
+    end
+  end
+
+  it "defines multicast options" do
+    consts = ["IP_ADD_MEMBERSHIP",
+              "IP_MULTICAST_LOOP", "IP_MULTICAST_TTL"]
+    platform_is_not :windows do
+      consts += ["IP_DEFAULT_MULTICAST_LOOP", "IP_DEFAULT_MULTICAST_TTL"]
+    end
+    consts.each do |c|
+      Socket::Constants.should have_constant(c)
+    end
+  end
+
+  platform_is_not :solaris, :windows, :aix do
+    it "defines multicast options" do
+      consts = ["IP_MAX_MEMBERSHIPS"]
+      consts.each do |c|
+        Socket::Constants.should have_constant(c)
+      end
+    end
+  end
+
+  it "defines TCP options" do
+    consts = ["TCP_NODELAY"]
+    platform_is_not :windows do
+      consts << "TCP_MAXSEG"
+    end
+    consts.each do |c|
+      Socket::Constants.should have_constant(c)
+    end
+  end
+
+  platform_is_not :windows do
+    it 'defines SCM options' do
+      platform_is :darwin, :freebsd do
+        Socket::Constants.should have_constant('SCM_CREDS')
+      end
+      platform_is_not :darwin, :freebsd do
+        Socket::Constants.should have_constant('SCM_CREDENTIALS')
+      end
+    end
+
+    it 'defines error options' do
+      consts = ["EAI_ADDRFAMILY", "EAI_NODATA"]
+
+      # FreeBSD (11.1, at least) obsoletes EAI_ADDRFAMILY and EAI_NODATA
+      platform_is :freebsd do
+        consts = %w(EAI_MEMORY)
+      end
+
+      consts.each do |c|
+        Socket::Constants.should have_constant(c)
+      end
+    end
+  end
+end