diff options
author | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2023-01-08 20:54:48 +0900 |
---|---|---|
committer | GitHub <noreply@github.com> | 2023-01-08 20:54:48 +0900 |
commit | 1cdf8ab07b24ebd16e93621957196e8b1d67f2ba (patch) | |
tree | d5904b2fa13c967749a5e0015b56119a6d5e8645 /test | |
parent | 89546dce21e1e85f4483a7f9d4049e5608803185 (diff) | |
download | ruby-1cdf8ab07b24ebd16e93621957196e8b1d67f2ba.tar.gz |
[Bug #19323] Raise `RangeError` instead of integer overflow
Diffstat (limited to 'test')
-rw-r--r-- | test/ruby/test_integer.rb | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/test/ruby/test_integer.rb b/test/ruby/test_integer.rb index 886888e7b0..dd177090ab 100644 --- a/test/ruby/test_integer.rb +++ b/test/ruby/test_integer.rb @@ -2,16 +2,9 @@ require 'test/unit' class TestInteger < Test::Unit::TestCase - BDSIZE = 0x4000000000000000.coerce(0)[0].size - def self.bdsize(x) - ((x + 1) / 8 + BDSIZE) / BDSIZE * BDSIZE - end - def bdsize(x) - self.class.bdsize(x) - end - FIXNUM_MIN = RbConfig::LIMITS['FIXNUM_MIN'] FIXNUM_MAX = RbConfig::LIMITS['FIXNUM_MAX'] + LONG_MAX = RbConfig::LIMITS['LONG_MAX'] def test_aref @@ -96,11 +89,16 @@ class TestInteger < Test::Unit::TestCase assert_equal(0, 1 << -0x40000001) assert_equal(0, 1 << -0x80000000) assert_equal(0, 1 << -0x80000001) - # assert_equal(bdsize(0x80000000), (1 << 0x80000000).size) + + char_bit = RbConfig::LIMITS["UCHAR_MAX"].bit_length + size_max = RbConfig::LIMITS["SIZE_MAX"] + size_bit_max = size_max * char_bit + assert_raise_with_message(RangeError, /shift width/) { + 1 << size_bit_max + } end def test_rshift - # assert_equal(bdsize(0x40000001), (1 >> -0x40000001).size) assert_predicate((1 >> 0x80000000), :zero?) assert_predicate((1 >> 0xffffffff), :zero?) assert_predicate((1 >> 0x100000000), :zero?) |