Create a seperate file for ActiveSupport::OrderedHash.

1 files changed, 45 insertions, 0 deletions

diff --git a/activesupport/test/ordered_hash_test.rb b/activesupport/test/ordered_hash_test.rb
new file mode 100644
index 0000000000..14be48724e
--- /dev/null
+++ b/activesupport/test/ordered_hash_test.rb
@@ -0,0 +1,45 @@
+require 'abstract_unit'
+
+class OrderedHashTest < Test::Unit::TestCase
+  def setup
+    @keys =   %w( blue   green  red    pink   orange )
+    @values = %w( 000099 009900 aa0000 cc0066 cc6633 )
+    @ordered_hash = ActiveSupport::OrderedHash.new
+
+    @keys.each_with_index do |key, index|
+      @ordered_hash[key] = @values[index]
+    end
+  end
+
+  def test_order
+    assert_equal @keys,   @ordered_hash.keys
+    assert_equal @values, @ordered_hash.values
+  end
+
+  def test_access
+    assert @keys.zip(@values).all? { |k, v| @ordered_hash[k] == v }
+  end
+
+  def test_assignment
+    key, value = 'purple', '5422a8'
+
+    @ordered_hash[key] = value
+    assert_equal @keys.length + 1, @ordered_hash.length
+    assert_equal key, @ordered_hash.keys.last
+    assert_equal value, @ordered_hash.values.last
+    assert_equal value, @ordered_hash[key]
+  end
+
+  def test_delete
+    key, value = 'white', 'ffffff'
+    bad_key = 'black'
+
+    @ordered_hash[key] = value
+    assert_equal @keys.length + 1, @ordered_hash.length
+
+    assert_equal value, @ordered_hash.delete(key)
+    assert_equal @keys.length, @ordered_hash.length
+
+    assert_nil @ordered_hash.delete(bad_key)
+  end
+end