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Diffstat (limited to 'spec/ruby/core/thread/key_spec.rb')
-rw-r--r-- | spec/ruby/core/thread/key_spec.rb | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/spec/ruby/core/thread/key_spec.rb b/spec/ruby/core/thread/key_spec.rb new file mode 100644 index 0000000000..6cdfc3ca7f --- /dev/null +++ b/spec/ruby/core/thread/key_spec.rb @@ -0,0 +1,53 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +describe "Thread#key?" do + before :each do + @th = Thread.new do + Thread.current[:oliver] = "a" + end + @th.join + end + + it "tests for existance of thread local variables using symbols or strings" do + @th.key?(:oliver).should == true + @th.key?("oliver").should == true + @th.key?(:stanley).should == false + @th.key?(:stanley.to_s).should == false + end + + it "raises exceptions on the wrong type of keys" do + lambda { Thread.current.key? nil }.should raise_error(TypeError) + lambda { Thread.current.key? 5 }.should raise_error(TypeError) + end + + it "is not shared across fibers" do + fib = Fiber.new do + Thread.current[:val1] = 1 + Fiber.yield + Thread.current.key?(:val1).should be_true + Thread.current.key?(:val2).should be_false + end + Thread.current.key?(:val1).should_not be_true + fib.resume + Thread.current[:val2] = 2 + fib.resume + Thread.current.key?(:val1).should be_false + Thread.current.key?(:val2).should be_true + end + + it "stores a local in another thread when in a fiber" do + fib = Fiber.new do + t = Thread.new do + sleep + Thread.current.key?(:value).should be_true + end + + Thread.pass while t.status and t.status != "sleep" + t[:value] = 1 + t.wakeup + t.join + end + fib.resume + end +end |