From 1d196e0d2bd99590d03a73d7e59aa87f7266f8e3 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 18 Aug 2014 08:06:48 +0000
Subject: sprintf.c: rational 'f' format

* sprintf.c (rb_str_format): support rational 'f' format.
  [ruby-core:64382] [Bug #10136]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47214 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_sprintf.rb | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'test/ruby/test_sprintf.rb')

diff --git a/test/ruby/test_sprintf.rb b/test/ruby/test_sprintf.rb
index 7994e99e5e..3cfb9ac7db 100644
--- a/test/ruby/test_sprintf.rb
+++ b/test/ruby/test_sprintf.rb
@@ -148,6 +148,11 @@ class TestSprintf < Test::Unit::TestCase
     assert_equal(" Inf", sprintf("% e", inf), '[ruby-dev:34002]')
   end
 
+  def test_rational
+    assert_match(/\A0\.10+\z/, sprintf("%.60f", 0.1r))
+    assert_match(/\A0\.3+\z/, sprintf("%.60f", 1/3r))
+  end
+
   def test_hash
     options = {:capture=>/\d+/}
     assert_equal("with options {:capture=>/\\d+/}", sprintf("with options %p" % options))
-- 
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