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-rw-r--r--spec/ruby/library/fiber/resume_spec.rb12
1 files changed, 12 insertions, 0 deletions
diff --git a/spec/ruby/library/fiber/resume_spec.rb b/spec/ruby/library/fiber/resume_spec.rb
index 39d14bdda0..8b7c104a6f 100644
--- a/spec/ruby/library/fiber/resume_spec.rb
+++ b/spec/ruby/library/fiber/resume_spec.rb
@@ -10,6 +10,12 @@ describe "Fiber#resume" do
fiber2.resume
-> { fiber2.resume }.should raise_error(FiberError)
end
+
+ it "raises a FiberError if the Fiber attempts to resume a resuming fiber" do
+ root_fiber = Fiber.current
+ fiber1 = Fiber.new { root_fiber.resume }
+ -> { fiber1.resume }.should raise_error(FiberError, /double resume/)
+ end
end
ruby_version_is '3.0' do
@@ -19,5 +25,11 @@ describe "Fiber#resume" do
fiber2.resume.should == 10
fiber2.resume.should == 20
end
+
+ it "raises a FiberError if the Fiber attempts to resume a resuming fiber" do
+ root_fiber = Fiber.current
+ fiber1 = Fiber.new { root_fiber.resume }
+ -> { fiber1.resume }.should raise_error(FiberError, /attempt to resume a resuming fiber/)
+ end
end
end