require 'test/unit' require 'raindrops' class TestRaindrops < Test::Unit::TestCase def test_struct_new @rw = Raindrops::Struct.new(:r, :w) assert @rw.kind_of?(Class) end TMP = Raindrops::Struct.new(:r, :w) def test_init_basic tmp = TMP.new assert_equal 0, tmp.r assert_equal 1, tmp.incr_r assert_equal 1, tmp.r assert_equal({ :r => 1, :w => 0 }, tmp.to_hash) assert_equal 1, tmp[0] assert_equal 0, tmp[1] assert_equal [ :r, :w ], TMP::MEMBERS end def test_init tmp = TMP.new(5, 6) assert_equal({ :r => 5, :w => 6 }, tmp.to_hash) end def test_dup a = TMP.new(5, 6) b = a.dup assert_equal({ :r => 5, :w => 6 }, b.to_hash) assert_nothing_raised { 4.times { b.decr_r } } assert_equal({ :r => 1, :w => 6 }, b.to_hash) assert_equal({ :r => 5, :w => 6 }, a.to_hash) end class Foo < Raindrops::Struct.new(:a, :b, :c, :d) def to_ary @raindrops.to_ary end def hello "world" end end def test_subclass assert_equal [0, 0, 0, 0], Foo.new.to_ary assert_equal "world", Foo.new.hello end end