diff options
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 |