require_relative '../../spec_helper'

describe "Proc as a block pass argument" do
  def revivify(&b)
    b
  end

  it "remains the same object if re-vivified by the target method" do
    p = Proc.new {}
    p2 = revivify(&p)
    p.should equal p2
    p.should == p2
  end

  it "remains the same object if reconstructed with Proc.new" do
    p = Proc.new {}
    p2 = Proc.new(&p)
    p.should equal p2
    p.should == p2
  end
end

ruby_version_is ""..."2.8" do
  describe "Proc as an implicit block pass argument" do
    def revivify
      Proc.new
    end

    it "remains the same object if re-vivified by the target method" do
      warning = ruby_version_is("2.7") {/tried to create Proc object without a block/}

      p = Proc.new {}
      p2 = nil
      -> {p2 = revivify(&p)}.should complain(warning)
      p.should equal p2
      p.should == p2
    end

    it "remains the same object if reconstructed with Proc.new" do
      p = Proc.new {}
      p2 = Proc.new(&p)
      p.should equal p2
      p.should == p2
    end
  end
end