diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-08-01 07:35:48 +0000 |
---|---|---|
committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-08-01 07:35:48 +0000 |
commit | 52b59fc9d90e8b06aa1e8df83c5ca63164769bcc (patch) | |
tree | eff1ec9c0436e1ec426b046e770d0e1c065047bf /test | |
parent | 528ef3ca933b7cbbbd2e7dde8b1863bbed91947c (diff) | |
download | ruby-52b59fc9d90e8b06aa1e8df83c5ca63164769bcc.tar.gz |
numeric.c: 0 % Float::NAN returns Float::NAN
* numeric.c (flodivmod): all results are NaN if divisor is NaN.
[fix GH-692]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47024 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test')
-rw-r--r-- | test/ruby/test_float.rb | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/test/ruby/test_float.rb b/test/ruby/test_float.rb index 099f9e3b10..30725e8395 100644 --- a/test/ruby/test_float.rb +++ b/test/ruby/test_float.rb @@ -271,6 +271,12 @@ class TestFloat < Test::Unit::TestCase assert_raise(ZeroDivisionError, bug6048) { 42 % 0 } end + def test_modulo4 + assert_predicate((0.0).modulo(Float::NAN), :nan?) + assert_predicate((1.0).modulo(Float::NAN), :nan?) + assert_predicate(Float::INFINITY.modulo(1), :nan?) + end + def test_divmod2 assert_equal([1.0, 0.0], 2.0.divmod(2)) assert_equal([1.0, 0.0], 2.0.divmod((2**32).coerce(2).first)) |