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path: root/spec/ruby/core/thread/list_spec.rb
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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)

describe "Thread.list" do
  it "includes the current and main thread" do
    Thread.list.should include(Thread.current)
    Thread.list.should include(Thread.main)
  end

  it "includes threads of non-default thread groups" do
    t = Thread.new { sleep }
    begin
      ThreadGroup.new.add(t)
      Thread.list.should include(t)
    ensure
      t.kill
      t.join
    end
  end

  it "does not include deceased threads" do
    t = Thread.new { 1; }
    t.join
    Thread.list.should_not include(t)
  end

  it "includes waiting threads" do
    c = Channel.new
    t = Thread.new { c.receive }
    begin
      Thread.pass while t.status and t.status != 'sleep'
      Thread.list.should include(t)
    ensure
      c << nil
      t.join
    end
  end
end

describe "Thread.list" do
  it "needs to be reviewed for spec completeness"
end