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-rw-r--r--activesupport/lib/active_support/hash_with_indifferent_access.rb6
-rw-r--r--activesupport/test/core_ext/hash_ext_test.rb38
2 files changed, 40 insertions, 4 deletions
diff --git a/activesupport/lib/active_support/hash_with_indifferent_access.rb b/activesupport/lib/active_support/hash_with_indifferent_access.rb
index 8241b69c8b..4de399a21a 100644
--- a/activesupport/lib/active_support/hash_with_indifferent_access.rb
+++ b/activesupport/lib/active_support/hash_with_indifferent_access.rb
@@ -111,8 +111,10 @@ module ActiveSupport
super(convert_key(key))
end
- def stringify_keys!; self end
- def symbolize_keys!; self end
+ undef :stringify_keys!
+ def stringify_keys; to_hash.stringify_keys end
+ undef :symbolize_keys!
+ def symbolize_keys; to_hash.symbolize_keys end
def to_options!; self end
# Convert to a Hash with String keys.
diff --git a/activesupport/test/core_ext/hash_ext_test.rb b/activesupport/test/core_ext/hash_ext_test.rb
index 86272a28c1..bac6d16ac5 100644
--- a/activesupport/test/core_ext/hash_ext_test.rb
+++ b/activesupport/test/core_ext/hash_ext_test.rb
@@ -60,6 +60,40 @@ class HashExtTest < Test::Unit::TestCase
assert_equal @strings, @mixed.dup.stringify_keys!
end
+ def test_symbolize_keys_for_hash_with_indifferent_access
+ assert_equal @symbols, @symbols.with_indifferent_access.symbolize_keys
+ assert_equal @symbols, @strings.with_indifferent_access.symbolize_keys
+ assert_equal @symbols, @mixed.with_indifferent_access.symbolize_keys
+ end
+
+ def test_symbolize_keys_bang_for_hash_with_indifferent_access
+ assert_raise(NoMethodError) { @symbols.with_indifferent_access.dup.symbolize_keys! }
+ assert_raise(NoMethodError) { @strings.with_indifferent_access.dup.symbolize_keys! }
+ assert_raise(NoMethodError) { @mixed.with_indifferent_access.dup.symbolize_keys! }
+ end
+
+ def test_symbolize_keys_preserves_keys_that_cant_be_symbolized_for_hash_with_indifferent_access
+ assert_equal @illegal_symbols, @illegal_symbols.with_indifferent_access.symbolize_keys
+ assert_raise(NoMethodError) { @illegal_symbols.with_indifferent_access.dup.symbolize_keys! }
+ end
+
+ def test_symbolize_keys_preserves_fixnum_keys_for_hash_with_indifferent_access
+ assert_equal @fixnums, @fixnums.with_indifferent_access.symbolize_keys
+ assert_raise(NoMethodError) { @fixnums.with_indifferent_access.dup.symbolize_keys! }
+ end
+
+ def test_stringify_keys_for_hash_with_indifferent_access
+ assert_equal @strings, @symbols.with_indifferent_access.stringify_keys
+ assert_equal @strings, @strings.with_indifferent_access.stringify_keys
+ assert_equal @strings, @mixed.with_indifferent_access.stringify_keys
+ end
+
+ def test_stringify_keys_bang_for_hash_with_indifferent_access
+ assert_raise(NoMethodError) { @symbols.with_indifferent_access.dup.stringify_keys! }
+ assert_raise(NoMethodError) { @strings.with_indifferent_access.dup.stringify_keys! }
+ assert_raise(NoMethodError) { @mixed.with_indifferent_access.dup.stringify_keys! }
+ end
+
def test_indifferent_assorted
@strings = @strings.with_indifferent_access
@symbols = @symbols.with_indifferent_access
@@ -213,11 +247,11 @@ class HashExtTest < Test::Unit::TestCase
def test_stringify_and_symbolize_keys_on_indifferent_preserves_hash
h = HashWithIndifferentAccess.new
h[:first] = 1
- h.stringify_keys!
+ h = h.stringify_keys
assert_equal 1, h['first']
h = HashWithIndifferentAccess.new
h['first'] = 1
- h.symbolize_keys!
+ h = h.symbolize_keys
assert_equal 1, h[:first]
end