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Add initial tests for WeakHash.

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1 parent 96cc08f commit 4da31d21bc0fe10fc329eb6d89ba52b27f8ed25e @miloops miloops committed Oct 14, 2010
Showing with 33 additions and 0 deletions.
  1. +33 −0 activesupport/test/weak_hash_test.rb
@@ -0,0 +1,33 @@
+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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