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-rw-r--r--activesupport/test/core_ext/hash_ext_test.rb11
1 files changed, 11 insertions, 0 deletions
diff --git a/activesupport/test/core_ext/hash_ext_test.rb b/activesupport/test/core_ext/hash_ext_test.rb
index 3fc3b86254..a12299d32c 100644
--- a/activesupport/test/core_ext/hash_ext_test.rb
+++ b/activesupport/test/core_ext/hash_ext_test.rb
@@ -145,6 +145,17 @@ class HashExtTest < Test::Unit::TestCase
assert_equal hash.delete('a'), nil
end
+ def test_stringify_and_symbolize_keys_on_indifferent_preserves_hash
+ h = HashWithIndifferentAccess.new
+ h[:first] = 1
+ h.stringify_keys!
+ assert_equal 1, h['first']
+ h = HashWithIndifferentAccess.new
+ h['first'] = 1
+ h.symbolize_keys!
+ assert_equal 1, h[:first]
+ end
+
def test_assert_valid_keys
assert_nothing_raised do
{ :failure => "stuff", :funny => "business" }.assert_valid_keys([ :failure, :funny ])