diff options
Diffstat (limited to 'test/ruby/test_bignum.rb')
| -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 |