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Diffstat (limited to 'spec/ruby/core/thread/new_spec.rb')
-rw-r--r-- | spec/ruby/core/thread/new_spec.rb | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/spec/ruby/core/thread/new_spec.rb b/spec/ruby/core/thread/new_spec.rb new file mode 100644 index 0000000000..b1ed5560a1 --- /dev/null +++ b/spec/ruby/core/thread/new_spec.rb @@ -0,0 +1,56 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +describe "Thread.new" do + it "creates a thread executing the given block" do + c = Channel.new + Thread.new { c << true }.join + c << false + c.receive.should == true + end + + it "can pass arguments to the thread block" do + arr = [] + a, b, c = 1, 2, 3 + t = Thread.new(a,b,c) {|d,e,f| arr << d << e << f } + t.join + arr.should == [a,b,c] + end + + it "raises an exception when not given a block" do + lambda { Thread.new }.should raise_error(ThreadError) + end + + it "creates a subclass of thread calls super with a block in initialize" do + arr = [] + t = ThreadSpecs::SubThread.new(arr) + t.join + arr.should == [1] + end + + it "calls #initialize and raises an error if super not used" do + c = Class.new(Thread) do + def initialize + end + end + + lambda { + c.new + }.should raise_error(ThreadError) + end + + it "calls and respects #initialize for the block to use" do + c = Class.new(Thread) do + def initialize + ScratchPad.record [:good] + super { ScratchPad << :in_thread } + end + end + + t = c.new + t.join + + ScratchPad.recorded.should == [:good, :in_thread] + end + +end |