require File.expand_path('../../../spec_helper', __FILE__)

ruby_version_is "1.9" do
  describe "ENV.assoc" do
    after(:each) do
      ENV.delete("foo")
    end

    it "returns an array of the key and value of the environment variable with the given key" do
      ENV["foo"] = "bar"
      ENV.assoc("foo").should == ["foo", "bar"]
    end

    it "returns nil if no environment variable with the given key exists" do
      ENV.assoc("foo").should == nil
    end

    it "returns the key element coerced with #to_str" do
      ENV["foo"] = "bar"
      k = mock('key')
      k.should_receive(:to_str).and_return("foo")
      ENV.assoc(k).should == ["foo", "bar"]
    end
  end
end
