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require_relative '../spec_helper'
require_relative '../shared/kernel/at_exit'
describe "The END keyword" do
it_behaves_like :kernel_at_exit, :END
it "runs only once for multiple calls" do
ruby_exe("10.times { END { puts 'foo' }; } ").should == "foo\n"
end
it "is affected by the toplevel assignment" do
ruby_exe("foo = 'foo'; END { puts foo }").should == "foo\n"
end
it "warns when END is used in a method" do
ruby_exe(<<~ruby, args: "2>&1").should =~ /warning: END in method; use at_exit/
def foo
END { }
end
ruby
end
context "END blocks and at_exit callbacks are mixed" do
it "runs them all in reverse order of registration" do
ruby_exe(<<~ruby).should == "at_exit#2\nEND#2\nat_exit#1\nEND#1\n"
END { puts 'END#1' }
at_exit { puts 'at_exit#1' }
END { puts 'END#2' }
at_exit { puts 'at_exit#2' }
ruby
end
end
end
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