diff options
| author | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-06-26 03:16:12 +0000 |
|---|---|---|
| committer | akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-06-26 03:16:12 +0000 |
| commit | 9be51267b54f923e9e95824984416eca9b95dd6c (patch) | |
| tree | efd6bb171fcdc6310fd7832c537f20ebf4f29ada /test/ruby/test_bignum.rb | |
| parent | 3a8100835485c64f97e10a3cd1624a1b33145326 (diff) | |
* bignum.c (bigand_int): Consider negative values.
(bigor_int): The allocated bignum should have enough size
to store long.
This fixes (bignum fits in a BDIGIT) | (fixnum bigger than BDIGIT)
on platforms which SIZEOF_BDIGITS < SIZEOF_LONG,
such as LP64 with 32bit BDIGIT (no int128).
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41639 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/ruby/test_bignum.rb')
| -rw-r--r-- | test/ruby/test_bignum.rb | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/test/ruby/test_bignum.rb b/test/ruby/test_bignum.rb index 9f709daa8a..f0d76c83bf 100644 --- a/test/ruby/test_bignum.rb +++ b/test/ruby/test_bignum.rb @@ -123,6 +123,12 @@ class TestBignum < Test::Unit::TestCase T1024 = b.coerce(2**1024).first T1024P = b.coerce(T1024 - 1).first + f = b + while Bignum === f-1 + f = f >> 1 + end + FIXNUM_MAX = f-1 + def test_prepare assert_instance_of(Bignum, T_ZERO) assert_instance_of(Bignum, T_ONE) @@ -454,6 +460,7 @@ class TestBignum < Test::Unit::TestCase assert_equal(T32 + T31, T32 | T31) assert_equal(-T31, (-T32) | (-T31)) assert_equal(T64 + T32, T32 | T64) + assert_equal(FIXNUM_MAX, T_ZERO | FIXNUM_MAX) end def test_xor |