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-rw-r--r--ChangeLog5
-rw-r--r--test/ruby/test_rand.rb3
2 files changed, 8 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 880e4d702f5..2e4ac6b51dd 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 e20cf4e317b..b932128e235 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