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-rw-r--r--spec/ruby/core/threadgroup/list_spec.rb24
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diff --git a/spec/ruby/core/threadgroup/list_spec.rb b/spec/ruby/core/threadgroup/list_spec.rb
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+++ b/spec/ruby/core/threadgroup/list_spec.rb
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+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