Move spec/rubyspec to spec/ruby for consistency

* Other ruby implementations use the spec/ruby directory.
  [Misc #13792] [ruby-core:82287]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

spec/ruby/core/threadgroup/add_spec.rb

@@ -0,0 +1,36 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "ThreadGroup#add" do
+  before :each do
+    @chan1,@chan2 = Channel.new,Channel.new
+    @thread = Thread.new { @chan1 << :go; @chan2.receive }
+    @chan1.receive
+  end
+
+  after :each do
+    @chan2 << :done
+    @thread.join
+  end
+
+  it "adds the given thread to a group and returns self" do
+    @thread.group.should_not == nil
+
+    tg = ThreadGroup.new
+    tg.add(@thread).should == tg
+    @thread.group.should == tg
+    tg.list.include?(@thread).should == true
+  end
+
+  it "removes itself from any other threadgroup" do
+    tg1 = ThreadGroup.new
+    tg2 = ThreadGroup.new
+
+    tg1.add(@thread)
+    @thread.group.should == tg1
+    tg2.add(@thread)
+    @thread.group.should == tg2
+    tg2.list.include?(@thread).should == true
+    tg1.list.include?(@thread).should == false
+  end
+end

spec/ruby/core/threadgroup/default_spec.rb

@@ -0,0 +1,11 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "ThreadGroup::Default" do
+  it "is a ThreadGroup instance" do
+    ThreadGroup::Default.should be_kind_of(ThreadGroup)
+  end
+
+  it "is the ThreadGroup of the main thread" do
+    ThreadGroup::Default.should == Thread.main.group
+  end
+end

spec/ruby/core/threadgroup/enclose_spec.rb

@@ -0,0 +1,25 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "ThreadGroup#enclose" do
+  before :each do
+    @chan1,@chan2 = Channel.new,Channel.new
+    @thread = Thread.new { @chan1 << :go; @chan2.receive }
+    @chan1.receive
+  end
+
+  after :each do
+    @chan2 << :done
+    @thread.join
+  end
+
+  it "raises a ThreadError if attempting to move a Thread from an enclosed ThreadGroup" do
+    thread_group = ThreadGroup.new
+    default_group = @thread.group
+    thread_group.add(@thread)
+    thread_group.enclose
+    lambda do
+      default_group.add(@thread)
+    end.should raise_error(ThreadError)
+  end
+end

spec/ruby/core/threadgroup/enclosed_spec.rb

@@ -0,0 +1,14 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "ThreadGroup#enclosed?" do
+  it "returns false when a ThreadGroup has not been enclosed (default state)" do
+    thread_group = ThreadGroup.new
+    thread_group.enclosed?.should be_false
+  end
+
+  it "returns true when a ThreadGroup is enclosed" do
+    thread_group = ThreadGroup.new
+    thread_group.enclose
+    thread_group.enclosed?.should be_true
+  end
+end

spec/ruby/core/threadgroup/fixtures/classes.rb

@@ -0,0 +1,6 @@
+unless defined? Channel
+  require 'thread'
+  class Channel < Queue
+    alias receive shift
+  end
+end

spec/ruby/core/threadgroup/list_spec.rb

@@ -0,0 +1,24 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "ThreadGroup#list" do
+  it "returns the list of threads in the group" do
+    chan = Channel.new
+    th1 = Thread.new { chan << :go; sleep }
+    chan.receive.should == :go
+    tg = ThreadGroup.new
+    tg.add(th1)
+    tg.list.should include(th1)
+
+    th2 = Thread.new { chan << :go; sleep }
+    chan.receive.should == :go
+
+    tg.add(th2)
+    (tg.list & [th1, th2]).should include(th1, th2)
+
+    Thread.pass while th1.status and th1.status != 'sleep'
+    Thread.pass while th2.status and th2.status != 'sleep'
+    th1.run; th1.join
+    th2.run; th2.join
+  end
+end