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Diffstat (limited to 'spec/ruby/core/thread/join_spec.rb')
-rw-r--r-- | spec/ruby/core/thread/join_spec.rb | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/spec/ruby/core/thread/join_spec.rb b/spec/ruby/core/thread/join_spec.rb new file mode 100644 index 0000000000..a6dd2da9a3 --- /dev/null +++ b/spec/ruby/core/thread/join_spec.rb @@ -0,0 +1,62 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +describe "Thread#join" do + it "returns the thread when it is finished" do + t = Thread.new {} + t.join.should equal(t) + end + + it "returns the thread when it is finished when given a timeout" do + t = Thread.new {} + t.join + t.join(0).should equal(t) + end + + it "coerces timeout to a Float if it is not nil" do + t = Thread.new {} + t.join + t.join(0).should equal(t) + t.join(0.0).should equal(t) + t.join(nil).should equal(t) + lambda { t.join(:foo) }.should raise_error TypeError + lambda { t.join("bar") }.should raise_error TypeError + end + + it "returns nil if it is not finished when given a timeout" do + c = Channel.new + t = Thread.new { c.receive } + begin + t.join(0).should == nil + ensure + c << true + end + t.join.should == t + end + + it "accepts a floating point timeout length" do + c = Channel.new + t = Thread.new { c.receive } + begin + t.join(0.01).should == nil + ensure + c << true + end + t.join.should == t + end + + it "raises any exceptions encountered in the thread body" do + t = Thread.new { raise NotImplementedError.new("Just kidding") } + lambda { t.join }.should raise_error(NotImplementedError) + end + + it "returns the dead thread" do + t = Thread.new { Thread.current.kill } + t.join.should equal(t) + end + + it "raises any uncaught exception encountered in ensure block" do + t = ThreadSpecs.dying_thread_ensures { raise NotImplementedError.new("Just kidding") } + lambda { t.join }.should raise_error(NotImplementedError) + end +end |