File: tap_spec.rb

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

ruby_version_is "1.8.7" do
  describe "Kernel#tap" do
    it "always yields self and returns self" do
      a = KernelSpecs::A.new
      a.tap{|o| o.should equal(a); 42}.should equal(a)
    end

    it "raises a LocalJumpError when no block given" do
      lambda { 3.tap }.should raise_error(LocalJumpError)
    end
  end
end