From dfd3d1fb295ad736b2bc2366a7bab49923793bb2 Mon Sep 17 00:00:00 2001
From: mame <mame@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sun, 2 Aug 2009 08:40:52 +0000
Subject: [PATCH] * test/ruby/test_rand.rb: add tests for Random#float's
 rejection   against Infinity and NaN.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24354 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ChangeLog              | 5 +++++
 test/ruby/test_rand.rb | 3 +++
 2 files changed, 8 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 880e4d702f..2e4ac6b51d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sun Aug  2 16:53:19 2009  Yusuke Endoh  <mame@tsg.ne.jp>
+
+	* test/ruby/test_rand.rb: add tests for Random#float's rejection
+	  against Infinity and NaN.
+
 Sun Aug  2 14:20:43 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* random.c (rand_int): prevent from GC.
diff --git a/test/ruby/test_rand.rb b/test/ruby/test_rand.rb
index e20cf4e317..b932128e23 100644
--- a/test/ruby/test_rand.rb
+++ b/test/ruby/test_rand.rb
@@ -354,6 +354,9 @@ END
     assert_in_delta(1.0897663659937937, r.float(2), 0.0001)
     assert_in_delta(5.3704626067153264e+29, r.float(2**100), 10**25)
 
+    assert_raise(Errno::EDOM, Errno::ERANGE) { r.float(1.0 / 0.0) }
+    assert_raise(Errno::EDOM, Errno::ERANGE) { r.float(0.0 / 0.0) }
+
     # is this intentional?
     assert_raise(TypeError) { r.float(1..2) }
   end