ruby--ruby/spec/ruby/core/threadgroup/add_spec.rb

require_relative '../../spec_helper'
require_relative 'fixtures/classes'

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

  platform_is_not :mingw do
    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
end