require 'test_helper'
require 'tins/xt'

if RUBY_VERSION >= "1.9"
  module Tins
    class MethodDescriptionTest < Test::Unit::TestCase
      class A
        def foo
        end

        def self.foo
        end
      end

      def test_static_nonstatic
        assert_equal 'Tins::MethodDescriptionTest::A#foo()', A.instance_method(:foo).to_s
        assert_equal '#<UnboundMethod: Tins::MethodDescriptionTest::A#foo()>', A.instance_method(:foo).inspect
        assert_equal 'Tins::MethodDescriptionTest::A.foo()', A.method(:foo).to_s
        assert_equal '#<Method: Tins::MethodDescriptionTest::A.foo()>', A.method(:foo).inspect
      end

      class B
        def foo(x, y = 1, *r, &b)
        end
      end

      def test_standard_parameters
        assert_equal 'Tins::MethodDescriptionTest::B#foo(x,y=?,*r,&b)', B.instance_method(:foo).to_s
      end

      if RUBY_VERSION >= "2.0"
        eval %{
          class C
            def foo(x, k: true, &b)
            end

            def bar(x, **k, &b)
            end
          end

          def test_keyword_parameters
            assert_equal 'Tins::MethodDescriptionTest::C#foo(x,k:?,&b)', C.instance_method(:foo).to_s
            assert_equal 'Tins::MethodDescriptionTest::C#bar(x,**k,&b)', C.instance_method(:bar).to_s
          end
        }
      end

      if RUBY_VERSION >= "2.1"
        eval %{
          class D
            def foo(x, k:, &b)
            end
          end

          def test_keyword_parameters_required
            assert_equal 'Tins::MethodDescriptionTest::D#foo(x,k:,&b)', D.instance_method(:foo).to_s
          end
        }
      end
    end
  end
end
