62 lines
1.3 KiB
Ruby
62 lines
1.3 KiB
Ruby
describe :thread_wakeup, shared: true do
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it "can interrupt Kernel#sleep" do
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exit_loop = false
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after_sleep1 = false
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after_sleep2 = false
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t = Thread.new do
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while true
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break if exit_loop == true
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Thread.pass
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end
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sleep
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after_sleep1 = true
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sleep
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after_sleep2 = true
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end
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10.times { t.send(@method); Thread.pass }
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t.status.should_not == "sleep"
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exit_loop = true
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10.times { sleep 0.1 if t.status and t.status != "sleep" }
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after_sleep1.should == false # t should be blocked on the first sleep
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t.send(@method)
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10.times { sleep 0.1 if after_sleep1 != true }
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10.times { sleep 0.1 if t.status and t.status != "sleep" }
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after_sleep2.should == false # t should be blocked on the second sleep
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t.send(@method)
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t.join
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end
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it "does not result in a deadlock" do
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t = Thread.new do
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100.times { Thread.stop }
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end
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while t.status
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begin
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t.send(@method)
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rescue ThreadError
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# The thread might die right after.
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t.status.should == false
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end
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Thread.pass
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end
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t.status.should == false
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t.join
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end
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it "raises a ThreadError when trying to wake up a dead thread" do
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t = Thread.new { 1 }
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t.join
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lambda { t.send @method }.should raise_error(ThreadError)
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end
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end
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