Fix a line matching problem in Abbrev.abbrev(words, "prefix").

* lib/abbrev.rb (Abbrev#abbrev): A fixed string prefix pattern
  should only match the beginning of each word, not the beginning
  of every line in it.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38027 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 8 insertions, 1 deletions

diff --git a/test/test_abbrev.rb b/test/test_abbrev.rb
index 13d673e8e1..f342c59e20 100644
--- a/test/test_abbrev.rb
+++ b/test/test_abbrev.rb
@@ -36,12 +36,19 @@ class TestAbbrev < Test::Unit::TestCase
   end
 
   def test_abbrev_lf
+    words = ["abc", "abc\nd", "de"]
+
     assert_equal({
         "abc"     => "abc",
         "abc\n"   => "abc\nd",
         "abc\nd"  => "abc\nd",
         "d"       => "de",
         "de"      => "de",
-      }, Abbrev.abbrev(["abc", "abc\nd", "de"]))
+      }, words.abbrev)
+
+    assert_equal({
+        "d"       => "de",
+        "de"      => "de",
+      }, words.abbrev('d'))
   end
 end