Add in-tree mspec and ruby/spec

* For easier modifications of ruby/spec by MRI developers.
* .gitignore: track changes under spec.
* spec/mspec, spec/rubyspec: add in-tree mspec and ruby/spec.
  These files can therefore be updated like any other file in MRI.
  Instructions are provided in spec/README.
  [Feature #13156] [ruby-core:79246]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

6 files changed, 185 insertions, 0 deletions

diff --git a/spec/rubyspec/library/socket/unixserver/accept_nonblock_spec.rb b/spec/rubyspec/library/socket/unixserver/accept_nonblock_spec.rb
new file mode 100644
index 0000000000..bad9139eea
--- /dev/null
+++ b/spec/rubyspec/library/socket/unixserver/accept_nonblock_spec.rb
@@ -0,0 +1,40 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require File.expand_path('../../fixtures/classes', __FILE__)
+
+describe "UNIXServer#accept_nonblock" do
+
+  platform_is_not :windows do
+    before :each do
+      @path = SocketSpecs.socket_path
+      rm_r @path
+
+      @server = UNIXServer.open(@path)
+      @client = UNIXSocket.open(@path)
+
+      @socket = @server.accept_nonblock
+      @client.send("foobar", 0)
+    end
+
+    after :each do
+      @socket.close
+      @client.close
+      @server.close
+      rm_r @path
+    end
+
+    it "accepts a connection in a non-blocking way" do
+      data = @socket.recvfrom(6).first
+      data.should == "foobar"
+    end
+
+    it "returns a UNIXSocket" do
+      @socket.should be_kind_of(UNIXSocket)
+    end
+
+    ruby_version_is '2.3' do
+      it 'returns :wait_readable in exceptionless mode' do
+        @server.accept_nonblock(exception: false).should == :wait_readable
+      end
+    end
+  end
+end
diff --git a/spec/rubyspec/library/socket/unixserver/accept_spec.rb b/spec/rubyspec/library/socket/unixserver/accept_spec.rb
new file mode 100644
index 0000000000..6ce1f2c6db
--- /dev/null
+++ b/spec/rubyspec/library/socket/unixserver/accept_spec.rb
@@ -0,0 +1,66 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require File.expand_path('../../fixtures/classes', __FILE__)
+
+platform_is_not :windows do
+  describe "UNIXServer#accept" do
+    before :each do
+      @path = SocketSpecs.socket_path
+      rm_r @path
+    end
+
+    after :each do
+      rm_r @path
+    end
+
+    it "accepts what is written by the client" do
+      server = UNIXServer.open(SocketSpecs.socket_path)
+      client = UNIXSocket.open(SocketSpecs.socket_path)
+
+      client.send('hello', 0)
+
+      sock = server.accept
+      data, info = sock.recvfrom(5)
+
+      data.should == 'hello'
+      info.should_not be_empty
+
+      server.close
+      client.close
+      sock.close
+    end
+
+    it "can be interrupted by Thread#kill" do
+      server = UNIXServer.new(@path)
+      t = Thread.new {
+        server.accept
+      }
+      Thread.pass while t.status and t.status != "sleep"
+
+      # kill thread, ensure it dies in a reasonable amount of time
+      t.kill
+      a = 1
+      while a < 2000
+        break unless t.alive?
+        Thread.pass
+        sleep 0.2
+        a += 1
+      end
+      a.should < 2000
+      server.close
+    end
+
+    it "can be interrupted by Thread#raise" do
+      server = UNIXServer.new(@path)
+      t = Thread.new {
+        server.accept
+      }
+      Thread.pass while t.status and t.status != "sleep"
+
+      # raise in thread, ensure the raise happens
+      ex = Exception.new
+      t.raise ex
+      lambda { t.join }.should raise_error(Exception)
+      server.close
+    end
+  end
+end
diff --git a/spec/rubyspec/library/socket/unixserver/for_fd_spec.rb b/spec/rubyspec/library/socket/unixserver/for_fd_spec.rb
new file mode 100644
index 0000000000..bf8aa41d40
--- /dev/null
+++ b/spec/rubyspec/library/socket/unixserver/for_fd_spec.rb
@@ -0,0 +1,23 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require File.expand_path('../../fixtures/classes', __FILE__)
+
+platform_is_not :windows do
+  describe "UNIXServer#for_fd" do
+    before :each do
+      @unix_path = tmp("unix_socket")
+      @unix = UNIXServer.new(@unix_path)
+    end
+
+    after :each do
+      @unix.close if @unix
+      rm_r @unix_path
+    end
+
+    it "can calculate the path" do
+      b = UNIXServer.for_fd(@unix.fileno)
+      b.autoclose = false
+
+      b.path.should == @unix_path
+    end
+  end
+end
diff --git a/spec/rubyspec/library/socket/unixserver/new_spec.rb b/spec/rubyspec/library/socket/unixserver/new_spec.rb
new file mode 100644
index 0000000000..d34aa0ca03
--- /dev/null
+++ b/spec/rubyspec/library/socket/unixserver/new_spec.rb
@@ -0,0 +1,6 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require File.expand_path('../shared/new', __FILE__)
+
+describe "UNIXServer.new" do
+  it_behaves_like :unixserver_new, :new
+end
diff --git a/spec/rubyspec/library/socket/unixserver/open_spec.rb b/spec/rubyspec/library/socket/unixserver/open_spec.rb
new file mode 100644
index 0000000000..4401d9dda8
--- /dev/null
+++ b/spec/rubyspec/library/socket/unixserver/open_spec.rb
@@ -0,0 +1,26 @@
+require File.expand_path('../../../../spec_helper', __FILE__)
+require File.expand_path('../shared/new', __FILE__)
+
+describe "UNIXServer.open" do
+  it_behaves_like :unixserver_new, :open
+
+  platform_is_not :windows do
+    before :each do
+      @path = tmp("unixserver_spec")
+      rm_r @path
+    end
+
+    after :each do
+      @server.close if @server
+      @server = nil
+      rm_r @path
+    end
+
+    it "yields the new UNIXServer object to the block, if given" do
+      UNIXServer.open(@path) do |unix|
+        unix.path.should == @path
+        unix.addr.should == ["AF_UNIX", @path]
+      end
+    end
+  end
+end
diff --git a/spec/rubyspec/library/socket/unixserver/shared/new.rb b/spec/rubyspec/library/socket/unixserver/shared/new.rb
new file mode 100644
index 0000000000..9b0798b828
--- /dev/null
+++ b/spec/rubyspec/library/socket/unixserver/shared/new.rb
@@ -0,0 +1,24 @@
+require File.expand_path('../../../../../spec_helper', __FILE__)
+require File.expand_path('../../../fixtures/classes', __FILE__)
+require 'tempfile'
+
+describe :unixserver_new, shared: true do
+  platform_is_not :windows do
+    before :each do
+      @path = tmp("unixserver_spec")
+      rm_r @path
+    end
+
+    after :each do
+      @server.close if @server
+      @server = nil
+      rm_r @path
+    end
+
+    it "creates a new UNIXServer" do
+      @server = UNIXServer.send(@method, @path)
+      @server.path.should == @path
+      @server.addr.should == ["AF_UNIX", @path]
+    end
+  end
+end