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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-03-18 03:01:58 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2015-03-18 03:01:58 +0000 |
commit | 3bcf9fb53e4b9efabb15a3091fddfb68e5b6fbbe (patch) | |
tree | ecf199a6ec42abd624f2c79c8df435f8dd528764 /test | |
parent | 1e98a25e9fff7e4c9c858f67c9ca7c6b9ee793f8 (diff) | |
download | ruby-3bcf9fb53e4b9efabb15a3091fddfb68e5b6fbbe.tar.gz |
hash.c: same hash values with Float#hash
* hash.c (rb_any_hash): use same hash values with Float#hash so
that -0.0 and +0.0 will be identical.
[ruby-core:68541] [Bug #10979]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49999 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test')
-rw-r--r-- | test/ruby/test_float.rb | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/ruby/test_float.rb b/test/ruby/test_float.rb index ac2d84352b..073e382777 100644 --- a/test/ruby/test_float.rb +++ b/test/ruby/test_float.rb @@ -672,4 +672,12 @@ class TestFloat < Test::Unit::TestCase assert_equal(0.0, z) assert_equal(-Float::INFINITY, 1.0/z) end + + def test_hash_0 + bug10979 = '[ruby-core:68541] [Bug #10979]' + assert_equal(+0.0.hash, -0.0.hash) + assert_operator(+0.0, :eql?, -0.0) + h = {0.0 => bug10979} + assert_equal(bug10979, h[-0.0]) + end end |