57 lines
1.2 KiB
Ruby
57 lines
1.2 KiB
Ruby
require File.expand_path('../../../spec_helper', __FILE__)
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require File.expand_path('../fixtures/classes', __FILE__)
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describe "Thread.new" do
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it "creates a thread executing the given block" do
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c = Channel.new
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Thread.new { c << true }.join
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c << false
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c.receive.should == true
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end
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it "can pass arguments to the thread block" do
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arr = []
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a, b, c = 1, 2, 3
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t = Thread.new(a,b,c) {|d,e,f| arr << d << e << f }
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t.join
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arr.should == [a,b,c]
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end
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it "raises an exception when not given a block" do
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lambda { Thread.new }.should raise_error(ThreadError)
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end
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it "creates a subclass of thread calls super with a block in initialize" do
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arr = []
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t = ThreadSpecs::SubThread.new(arr)
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t.join
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arr.should == [1]
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end
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it "calls #initialize and raises an error if super not used" do
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c = Class.new(Thread) do
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def initialize
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end
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end
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lambda {
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c.new
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}.should raise_error(ThreadError)
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end
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it "calls and respects #initialize for the block to use" do
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c = Class.new(Thread) do
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def initialize
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ScratchPad.record [:good]
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super { ScratchPad << :in_thread }
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end
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end
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t = c.new
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t.join
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ScratchPad.recorded.should == [:good, :in_thread]
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end
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end
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