Highlight helper highlights one or many terms in a single pass.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@6493 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 6 insertions, 0 deletions

diff --git a/actionpack/test/template/text_helper_test.rb b/actionpack/test/template/text_helper_test.rb
index 2f11547db5..61afbb5136 100644
--- a/actionpack/test/template/text_helper_test.rb
+++ b/actionpack/test/template/text_helper_test.rb
@@ -65,6 +65,8 @@ class TextHelperTest < Test::Unit::TestCase
       "This text is not changed because we supplied an empty phrase",
       highlight("This text is not changed because we supplied an empty phrase", nil)
     )
+
+    assert_equal '   ', highlight('   ', 'blank text is returned verbatim')
   end
 
   def test_highlighter_with_regexp
@@ -84,6 +86,10 @@ class TextHelperTest < Test::Unit::TestCase
     )
   end
 
+  def test_highlighting_multiple_phrases_in_one_pass
+    assert_equal %(<em>wow</em> <em>em</em>), highlight('wow em', %w(wow em), '<em>\1</em>')
+  end
+
   def test_excerpt
     assert_equal("...is a beautiful morni...", excerpt("This is a beautiful morning", "beautiful", 5))
     assert_equal("This is a...", excerpt("This is a beautiful morning", "this", 5))