require 'test/unit' require '-test-/hash' class TestHash < Test::Unit::TestCase class TestDelete < Test::Unit::TestCase def test_delete hash = Bug::Hash.new hash[1] = 2 called = false assert_equal 1, hash.size assert_equal [2], hash.delete!(1) {called = true} assert_equal false, called, "block called" assert_equal 0, hash.size assert_equal nil, hash.delete!(1) {called = true} assert_equal false, called, "block called" assert_equal 0, hash.size end end end