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WeakHash is not used, remove it.

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commit d9eb007edf6999d2ad8ba09f9c5f03d1b0cea4e5 1 parent 8052623
@miloops miloops authored
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41 activesupport/lib/active_support/weak_hash.rb
@@ -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
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33 activesupport/test/weak_hash_test.rb
@@ -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
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