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authorshyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2012-06-06 05:47:45 +0000
committershyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2012-06-06 05:47:45 +0000
commit1acfb03370704aee624b7a1e5ccf4776f40f2895 (patch)
treee213362ebb3e05b012f699f215a2c4795ce9ecd3 /test
parent996e9cf4e9c78c4bf8fdbf937f3984e0b2eb6e40 (diff)
merge revision(s) 28324:
* bignum.c (rb_big2dbl), test/ruby/test_bignum.rb (test_to_f): A negative Bignum out of Float range should be converted to -Infinity. [ruby-core:30492] [Bug #3362] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@35941 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test')
-rw-r--r--test/ruby/test_bignum.rb6
1 files changed, 6 insertions, 0 deletions
diff --git a/test/ruby/test_bignum.rb b/test/ruby/test_bignum.rb
index 99c5952173..a0405ca274 100644
--- a/test/ruby/test_bignum.rb
+++ b/test/ruby/test_bignum.rb
@@ -103,4 +103,10 @@ class TestBignum < Test::Unit::TestCase
e = assert_raise(RangeError) {(1 << big).to_s}
assert_match(/too big to convert/, e.message)
end
+
+ def test_to_f
+ inf = 1 / 0.0
+ assert_equal(inf, (1 << 65536).to_f)
+ assert_equal(-inf, (-1 << 65536).to_f) # [ruby-core:30492] [Bug #3362]
+ end
end