spec/ruby/optional/capi/binding_spec.rb


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require_relative 'spec_helper'

load_extension("binding")

describe "CApiBindingSpecs" do
  before :each do
    @b = CApiBindingSpecs.new
  end

  describe "Kernel#binding" do
    ruby_version_is '3.2' do
      it "raises when called from C" do
        foo = 14
        -> { @b.get_binding }.should raise_error(RuntimeError)
      end
    end

    ruby_version_is ''...'3.2' do
      it "gives the top-most Ruby binding when called from C" do
        foo = 14
        b = @b.get_binding
        b.local_variable_get(:foo).should == 14
        b.local_variable_set :foo, 12
        foo.should == 12
      end
    end
  end
end