* test/readline/test_readline.rb (test_completion_proc_empty_result):

ensure clearance of Readline's line_buffer after the test.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34268 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,8 @@
+Wed Jan 11 22:36:43 2012  CHIKANAGA Tomoyuki  <nagachika00@gmail.com>
+
+	* test/readline/test_readline.rb (test_completion_proc_empty_result):
+	  ensure clearance of Readline's line_buffer after the test.
+
 Tue Jan 10 21:57:38 2012  Hiroshi Shirosaki <h.shirosaki@gmail.com>
 
 	* ext/dbm/dbm.c (Init_dbm): fix a build error on mswin32.

test/readline/test_readline.rb

@@ -208,11 +208,19 @@ class TestReadline < Test::Unit::TestCase
       stdin.write("first\t")
       stdin.flush
       Readline.completion_proc = ->(text) {[]}
-      line = nil
+      line1 = line2 = nil
       replace_stdio(stdin.path, stdout.path) {
-        assert_nothing_raised(NoMemoryError) {line = Readline.readline("> ")}
+        assert_nothing_raised(NoMemoryError) {line1 = Readline.readline("> ")}
+        stdin.write("\n")
+        stdin.flush
+        assert_nothing_raised(NoMemoryError) {line2 = Readline.readline("> ")}
       }
-      assert_equal("first", line)
+      assert_equal("first", line1)
+      assert_equal("", line2)
+      begin
+        assert_equal("", Readline.line_buffer)
+      rescue NotimplementedError
+      end
     end
   end