Pr-9

acronym.rb

@@ -0,0 +1,5 @@
+module Acronym
+  def self.abbreviate(value)
+    value.scan(/\b\w/).map(&:upcase).join
+  end
+end

acronym_test.rb

@@ -0,0 +1,40 @@
+require 'minitest/autorun'
+require_relative 'acronym'
+
+# Common test data version: 1.7.0 cacf1f1
+class AcronymTest < Minitest::Test
+  def test_basic
+    # skip
+    assert_equal "PNG", Acronym.abbreviate('Portable Network Graphics')
+  end
+
+  def test_lowercase_words
+    skip
+    assert_equal "ROR", Acronym.abbreviate('Ruby on Rails')
+  end
+
+  def test_punctuation
+    skip
+    assert_equal "FIFO", Acronym.abbreviate('First In, First Out')
+  end
+
+  def test_all_caps_word
+    skip
+    assert_equal "GIMP", Acronym.abbreviate('GNU Image Manipulation Program')
+  end
+
+  def test_punctuation_without_whitespace
+    skip
+    assert_equal "CMOS", Acronym.abbreviate('Complementary metal-oxide semiconductor')
+  end
+
+  def test_very_long_abbreviation
+    skip
+    assert_equal "ROTFLSHTMDCOALM", Acronym.abbreviate('Rolling On The Floor Laughing So Hard That My Dogs Came Over And Licked Me')
+  end
+
+  def test_consecutive_delimiters
+    skip
+    assert_equal "SIMUFTA", Acronym.abbreviate('Something - I made up from thin air')
+  end
+end