Sha256: 1fb3eb2ef87b810e64f012fd12e80ce6649d8372a19b15090d4032be6010c170
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Versions: 48
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Contents
module KernelExit
extend self
attr_accessor :status, :original_proc, :proc, :out
self.original_proc = `Opal.exit`
self.proc = `function(status){ #{KernelExit.status = `status`} }`
def out_after_exit
`Opal.exit = #{proc}`
exit
out
ensure
`Opal.exit = #{original_proc}`
end
def reset!
self.out = []
end
end
describe "Kernel.at_exit" do
before { KernelExit.reset! }
def print(n)
KernelExit.out << n
end
it "runs after all other code" do
Kernel.at_exit {print 5}
print 6
KernelExit.out_after_exit.should == [6,5]
end
it "runs in reverse order of registration" do
at_exit {print 4}
at_exit {print 5}
print 6
at_exit {print 7}
KernelExit.out_after_exit.should == [6,7,5,4]
end
it "allows calling exit inside at_exit handler" do
at_exit {print 3}
at_exit {
print 4
exit
# print 5 # This one is added to out because Opal.exit doesn't actually exit
}
at_exit {print 6}
KernelExit.out_after_exit.should == [6,4,3]
end
# INCOMPLETE: the spec implementation is tricky here
# it "gives access to the last raised exception" do
# begin
# at_exit do
# print $!.message
# end
# raise 'foo' rescue nil
# p [:err, $!]
# rescue
# end
#
# KernelExit.out_after_exit.should == ['foo']
# end
end
Version data entries
48 entries across 48 versions & 1 rubygems