From a441e89c78b6f4bac2c7ca2370f885f1e8ea33cb Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Thu, 16 Mar 2017 03:05:34 +0000
Subject: [PATCH] test_rational.rb: invalid exponent

* test/ruby/test_rational.rb (test_parse): more checks for invalid
  exponent.  [ruby-core:80098] [Bug #13105]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57987 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 test/ruby/test_rational.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/test/ruby/test_rational.rb b/test/ruby/test_rational.rb
index 83a4a64879..ff2d189eff 100644
--- a/test/ruby/test_rational.rb
+++ b/test/ruby/test_rational.rb
@@ -726,6 +726,10 @@ class Rational_Test < Test::Unit::TestCase
     ok[500, 1, '5e2']
     ok[5000, 1, '5e3']
     ok[500000000000, 1, '5e1_1']
+    ng[ 5, 1, '5e']
+    ng[ 5, 1, '5e_']
+    ng[ 5, 1, '5e_1']
+    ng[50, 1, '5e1_']
 
     ng[0, 1, '']
     ng[0, 1, ' ']