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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
require_relative '../../shared/kernel/raise'
ruby_version_is "2.7" do
describe "Fiber#raise" do
it_behaves_like :kernel_raise, :raise, FiberSpecs::NewFiberToRaise
end
describe "Fiber#raise" do
it 'raises RuntimeError by default' do
-> { FiberSpecs::NewFiberToRaise.raise }.should raise_error(RuntimeError)
end
it "raises FiberError if Fiber is not born" do
fiber = Fiber.new { true }
-> { fiber.raise }.should raise_error(FiberError, "cannot raise exception on unborn fiber")
end
it "raises FiberError if Fiber is dead" do
fiber = Fiber.new { true }
fiber.resume
-> { fiber.raise }.should raise_error(FiberError, /dead fiber called|attempt to resume a terminated fiber/)
end
it 'accepts error class' do
-> { FiberSpecs::NewFiberToRaise.raise FiberSpecs::CustomError }.should raise_error(FiberSpecs::CustomError)
end
it 'accepts error message' do
-> { FiberSpecs::NewFiberToRaise.raise "error message" }.should raise_error(RuntimeError, "error message")
end
it 'does not accept array of backtrace information only' do
-> { FiberSpecs::NewFiberToRaise.raise ['foo'] }.should raise_error(TypeError)
end
it 'does not accept integer' do
-> { FiberSpecs::NewFiberToRaise.raise 100 }.should raise_error(TypeError)
end
it 'accepts error class with error message' do
-> { FiberSpecs::NewFiberToRaise.raise FiberSpecs::CustomError, 'test error' }.should raise_error(FiberSpecs::CustomError, 'test error')
end
it 'accepts error class with with error message and backtrace information' do
-> {
FiberSpecs::NewFiberToRaise.raise FiberSpecs::CustomError, 'test error', ['foo', 'boo']
}.should raise_error(FiberSpecs::CustomError) { |e|
e.message.should == 'test error'
e.backtrace.should == ['foo', 'boo']
}
end
it 'does not accept only error message and backtrace information' do
-> { FiberSpecs::NewFiberToRaise.raise 'test error', ['foo', 'boo'] }.should raise_error(TypeError)
end
it "raises a FiberError if invoked from a different Thread" do
fiber = Fiber.new { Fiber.yield }
fiber.resume
Thread.new do
-> {
fiber.raise
}.should raise_error(FiberError, "fiber called across threads")
end.join
end
it "kills Fiber" do
fiber = Fiber.new { Fiber.yield :first; :second }
fiber.resume
-> { fiber.raise }.should raise_error
-> { fiber.resume }.should raise_error(FiberError, /dead fiber called|attempt to resume a terminated fiber/)
end
end
end
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