diff options
-rw-r--r-- | activesupport/lib/active_support/weak_hash.rb | 41 | ||||
-rw-r--r-- | activesupport/test/weak_hash_test.rb | 33 |
2 files changed, 0 insertions, 74 deletions
diff --git a/activesupport/lib/active_support/weak_hash.rb b/activesupport/lib/active_support/weak_hash.rb deleted file mode 100644 index d6096e606e..0000000000 --- a/activesupport/lib/active_support/weak_hash.rb +++ /dev/null @@ -1,41 +0,0 @@ -module ActiveSupport - if defined?(RUBY_ENGINE) && RUBY_ENGINE == 'jruby' - WeakHash = ::Weakling::WeakHash - else - class WeakHash - def initialize(cache = Hash.new) - @cache = cache - @key_map = {} - @rev_cache = Hash.new{|h,k| h[k] = {}} - @reclaim_value = lambda do |value_id| - if value = @rev_cache.delete(value_id) - value.each_key{|key| @cache.delete key} - end - end - end - - def [](key) - value_id = @cache[key] - value_id && ObjectSpace._id2ref(value_id) - rescue RangeError - nil - end - - def []=(key, value) - @rev_cache[value.object_id][key] = true - @cache[key] = value.object_id - @key_map[key.object_id] = key - - ObjectSpace.define_finalizer(value, @reclaim_value) - end - - def clear - @cache.clear - end - - def delete(key) - @cache.delete(key) - end - end - end -end diff --git a/activesupport/test/weak_hash_test.rb b/activesupport/test/weak_hash_test.rb deleted file mode 100644 index 7d1620dc34..0000000000 --- a/activesupport/test/weak_hash_test.rb +++ /dev/null @@ -1,33 +0,0 @@ -require 'abstract_unit' -require 'active_support/weak_hash' - -class WeakHashTest < ActiveSupport::TestCase - - def setup - @weak_hash = ActiveSupport::WeakHash.new - @str = "A"; - @obj = Object.new - end - - test "allows us to assign value, and return assigned value" do - a = @str; b = @obj - assert_equal @weak_hash[a] = b, b - end - - test "should allow us to assign and read value" do - a = @str; b = @obj - assert_equal @weak_hash[a] = b, b - assert_equal @weak_hash[a], b - end - - test "should use object_id to identify objects" do - a = Object.new - @weak_hash[a] = "b" - assert_nil @weak_hash[a.dup] - end - - test "should find objects that have same hash" do - @weak_hash["a"] = "b" - assert_equal "b", @weak_hash["a"] - end -end |