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ruby--ruby/spec/ruby/language/predefined/toplevel_binding_spec.rb
eregon 4fbb9aa3cb Update to ruby/spec@6f38a82
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63293 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-04-28 19:50:06 +00:00

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1.4 KiB
Ruby

require_relative '../../spec_helper'
describe "The TOPLEVEL_BINDING constant" do
it "only includes local variables defined in the main script, not in required files or eval" do
binding_toplevel_variables = ruby_exe(fixture(__FILE__, "toplevel_binding_variables.rb"))
binding_toplevel_variables.should == "[:required_after, [:main_script]]\n[:main_script]\n"
end
it "has no local variables in files required before the main script" do
required = fixture(__FILE__, 'toplevel_binding_required_before.rb')
out = ruby_exe("a=1; p TOPLEVEL_BINDING.local_variables.sort; b=2", options: "-r#{required}")
out.should == "[:required_before, []]\n[:a, :b]\n"
end
it "merges local variables of the main script with dynamically-defined Binding variables" do
required = fixture(__FILE__, 'toplevel_binding_dynamic_required.rb')
out = ruby_exe(fixture(__FILE__, 'toplevel_binding_dynamic.rb'), options: "-r#{required}")
out.should == <<EOS
[:dynamic_set_required]
[:dynamic_set_required, :main_script]
[:dynamic_set_main, :dynamic_set_required, :main_script]
EOS
end
it "gets updated variables values as they are defined and set" do
out = ruby_exe(fixture(__FILE__, "toplevel_binding_values.rb"))
out.should == "nil\nnil\n1\nnil\n3\n2\n"
end
it "is always the same object for all top levels" do
binding_toplevel_id = ruby_exe(fixture(__FILE__, "toplevel_binding_id.rb"))
binding_toplevel_id.should == "1\n"
end
end