diff options
| -rw-r--r-- | activesupport/lib/active_support/ordered_hash.rb | 10 | ||||
| -rw-r--r-- | activesupport/test/ordered_hash_test.rb | 6 |
2 files changed, 16 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/ordered_hash.rb b/activesupport/lib/active_support/ordered_hash.rb index 33fd2a29b9..8d1c0f5160 100644 --- a/activesupport/lib/active_support/ordered_hash.rb +++ b/activesupport/lib/active_support/ordered_hash.rb @@ -10,6 +10,16 @@ module ActiveSupport @keys = [] end + def self.[](*args) + ordered_hash = new + args.each_with_index { |val,ind| + # Only every second value is a key. + next if ind % 2 != 0 + ordered_hash[val] = args[ind + 1] + } + ordered_hash + end + def initialize_copy(other) super # make a deep copy of keys diff --git a/activesupport/test/ordered_hash_test.rb b/activesupport/test/ordered_hash_test.rb index 6fccbbdc41..647938dd87 100644 --- a/activesupport/test/ordered_hash_test.rb +++ b/activesupport/test/ordered_hash_test.rb @@ -162,4 +162,10 @@ class OrderedHashTest < Test::Unit::TestCase def test_inspect assert @ordered_hash.inspect.include?(@hash.inspect) end + + def test_alternate_initialization + alternate = ActiveSupport::OrderedHash[1,2,3,4] + assert_kind_of ActiveSupport::OrderedHash, alternate + assert_equal [1, 3], alternate.keys + end end |