From 96168ce44d0737fe83653a624a30003f36d8d285 Mon Sep 17 00:00:00 2001
From: mrkn <mrkn@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Fri, 11 Nov 2016 16:18:13 +0000
Subject: rational.c: add argument type check assertions in f_muldiv

* rational.c (f_muldiv): add assertions to check argument types

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56724 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 rational.c | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'rational.c')

diff --git a/rational.c b/rational.c
index 8a952f6b68..210a721b17 100644
--- a/rational.c
+++ b/rational.c
@@ -809,6 +809,12 @@ f_muldiv(VALUE self, VALUE anum, VALUE aden, VALUE bnum, VALUE bden, int k)
 {
     VALUE num, den;
 
+    assert(RB_TYPE_P(self, T_RATIONAL));
+    assert(RB_INTEGER_TYPE_P(anum));
+    assert(RB_INTEGER_TYPE_P(aden));
+    assert(RB_INTEGER_TYPE_P(bnum));
+    assert(RB_INTEGER_TYPE_P(bden));
+
     if (k == '/') {
 	VALUE t;
 
-- 
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