Implements the #blocks_counted method

lib/unicode/blocks.rb

@@ -4,14 +4,22 @@ module Unicode
   module Blocks
     def self.blocks(string)
       res = []
-      string.each_char{ |char|
+      string.each_char do |char|
         block_name = block(char)
         res << block_name unless res.include?(block_name)
-      }
+      end
       res.sort
     end
     class << self; alias of blocks; end
 
+    def self.blocks_counted(string)
+      string.each_char.with_object({}) do |char, res|
+        block_name = block(char)
+        res[block_name] ||= 0
+        res[block_name] += 1
+      end
+    end
+
     def self.block(char)
       require_relative 'blocks/index' unless defined? ::Unicode::Blocks::INDEX
       codepoint = char.unpack("U")[0] or raise(ArgumentError, "Unicode::Blocks.block must be given a valid char")

spec/unicode_blocks_spec.rb

@@ -7,8 +7,12 @@
       assert_equal [], Unicode::Blocks.of("")
     end
 
-    it "will return all blocks that characters in the string belong to" do
-      assert_equal ["Basic Latin", "Cyrillic"], Unicode::Blocks.of("СC")
+    it "will return all unique blocks that characters in the string belong to" do
+      assert_equal ["Basic Latin", "Cyrillic"], Unicode::Blocks.of("СCСC")
+    end
+
+    it "will count how many characters belong to each matched block" do
+      assert_equal({"Basic Latin"=>2, "Cyrillic"=>2}, Unicode::Blocks.blocks_counted("СAСA"))
     end
 
     it "will return all blocks in sorted order" do