From ff93ad62bd6cb00365c5b4cabf5be07b6eb37b69 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 29 Dec 2016 09:26:45 +0000
Subject: rational.c: fix for mathn

* rational.c (read_num, read_rat_nos): dispatch by the type of numerator, for
  mathn.  [ruby-core:78893] [Bug #13084]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57232 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/test_mathn.rb | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'test')

diff --git a/test/test_mathn.rb b/test/test_mathn.rb
index 00130eadf1..b50a09e4df 100644
--- a/test/test_mathn.rb
+++ b/test/test_mathn.rb
@@ -180,4 +180,13 @@ class TestMathn < Test::Unit::TestCase
       assert_equal((-13/5), (-13/5).round(2, half: :down))
     EOS
   end
+
+  def test_rational
+    assert_separately(%w[-rmathn], "#{<<-"begin;"}\n#{<<-"end;"}", ignore_stderr: true)
+    begin;
+      assert_equal(-5, "-5".to_r)
+      assert_equal(1, "5/5".to_r)
+      assert_equal(5, "5e0".to_r)
+    end;
+  end
 end
-- 
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