kotovalexarian-likes-github/ruby--ruby
1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2022-11-09 12:17:21 -05:00
Code Releases Activity

* bignum.c (rb_big_lshift, rb_big_rshift): separated functions

Browse source 
to get rid of infinite recursion.  fixed calculation in edge
  cases.  [ruby-dev:31244]

* numeric.c (rb_fix_lshift, rb_fix_rshift): ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@12814 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2007-07-19 05:38:48 +00:00
parent ec6e26742c
commit 09ce106ab3
6 changed files with 147 additions and 26 deletions
Download patch file Download diff file Expand all files Collapse all files

19
test/ruby/test_integer.rb
View file

@ -93,6 +93,14 @@ class TestInteger < Test::Unit::TestCase
#VS.map! {|v| 0x4000000000000000.coerce(v)[0] }
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
def test_aref
VS.each {|a|
100.times {|i|
@ -233,6 +241,11 @@ class TestInteger < Test::Unit::TestCase
end
}
}
assert_equal(0, 1 << -0x40000000)
assert_equal(0, 1 << -0x40000001)
assert_equal(0, 1 << -0x80000000)
assert_equal(0, 1 << -0x80000001)
# assert_equal(bdsize(0x80000000), (1 << 0x80000000).size)
end
def test_rshift
@ -248,6 +261,12 @@ class TestInteger < Test::Unit::TestCase
end
}
}
# assert_equal(bdsize(0x40000001), (1 >> -0x40000001).size)
assert((1 >> 0x80000000).zero?)
assert((1 >> 0xffffffff).zero?)
assert((1 >> 0x100000000).zero?)
# assert_equal((1 << 0x40000000), (1 >> -0x40000000))
# assert_equal((1 << 0x40000001), (1 >> -0x40000001))
end
def test_succ