diff options
author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-02-29 17:35:11 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-02-29 17:35:11 +0000 |
commit | e811e5e4729b46b1c5522977437e25901852580f (patch) | |
tree | 4f53ac4cb3bcb9823a7c93f030309f2e888b8967 /test/ruby | |
parent | f8f371c011d9b671f5061b2a36fe111b73c53ed6 (diff) |
* bignum.c (big2str_find_n1): check integer overflow.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@15646 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/ruby')
-rw-r--r-- | test/ruby/test_bignum.rb | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/test/ruby/test_bignum.rb b/test/ruby/test_bignum.rb index 48e8d9a92c..bfc47784f0 100644 --- a/test/ruby/test_bignum.rb +++ b/test/ruby/test_bignum.rb @@ -95,4 +95,13 @@ class TestBignum < Test::Unit::TestCase assert_equal("1777777777777777777777" ,18446744073709551615.to_s(8)) assert_equal("-1777777777777777777777" ,-18446744073709551615.to_s(8)) end + + def test_too_big_to_s + i = 32 + while (big = 2**(i-1)-1).is_a?(Fixnum) + i *= 2 + end + e = assert_raise(RangeError) {(1 << big).to_s} + assert_match(/too big to convert/, e.message) + end end |