* numeric.c (check_uint): fix off-by-one bug of NUM2UINT.

* bignum.c (rb_big2ulong): fix off-by-one bug of NUM2ULONG.

* test/-ext-/num2int/test_num2int.rb: add a testcase for NUM2INT()
  NUM2UINT(), NUM2LONG(), NUM2ULONG(), NUM2LL and NUM2ULL().
* ext/-test-/num2int/depend: ditto.
* ext/-test-/num2int/extconf.rb: ditto.
* ext/-test-/num2int/num2int.c: ditto.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33739 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
kosaki 2011-11-14 03:45:47 +00:00
Родитель 416778c5d8
Коммит 74a13c7634
7 изменённых файлов: 249 добавлений и 4 удалений

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@ -1,3 +1,14 @@
Sun Nov 13 09:57:29 2011 KOSAKI Motohiro <kosaki.motohiro@gmail.com>
* numeric.c (check_uint): fix off-by-one bug of NUM2UINT.
* bignum.c (rb_big2ulong): fix off-by-one bug of NUM2ULONG.
* test/-ext-/num2int/test_num2int.rb: add a testcase for NUM2INT()
NUM2UINT(), NUM2LONG(), NUM2ULONG(), NUM2LL and NUM2ULL().
* ext/-test-/num2int/depend: ditto.
* ext/-test-/num2int/extconf.rb: ditto.
* ext/-test-/num2int/num2int.c: ditto.
Sun Nov 13 23:47:29 2011 Nobuyoshi Nakada <nobu@ruby-lang.org>
* ext/dbm/extconf.rb: use convertible_int.

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@ -1210,10 +1210,11 @@ rb_big2ulong(VALUE x)
VALUE num = big2ulong(x, "unsigned long", TRUE);
if (!RBIGNUM_SIGN(x)) {
if ((long)num < 0) {
VALUE v = (VALUE)(-(SIGNED_VALUE)num);
if (v <= LONG_MAX)
rb_raise(rb_eRangeError, "bignum out of range of unsigned long");
}
return (VALUE)(-(SIGNED_VALUE)num);
return v;
}
return num;
}

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@ -0,0 +1 @@
num2int.o: $(top_srcdir)/numeric.c $(hdrdir)/ruby/ruby.h

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@ -0,0 +1 @@
create_makefile("-test-/num2int/num2int")

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@ -0,0 +1,86 @@
#include <ruby.h>
extern VALUE rb_stdout;
static VALUE
print_num2int(VALUE obj, VALUE num)
{
char buf[128];
VALUE str;
sprintf(buf, "%d", NUM2INT(num));
str = rb_str_new_cstr(buf);
rb_io_write(rb_stdout, str);
}
static VALUE
print_num2uint(VALUE obj, VALUE num)
{
char buf[128];
VALUE str;
sprintf(buf, "%u", NUM2UINT(num));
str = rb_str_new_cstr(buf);
rb_io_write(rb_stdout, str);
}
static VALUE
print_num2long(VALUE obj, VALUE num)
{
char buf[128];
VALUE str;
sprintf(buf, "%ld", NUM2LONG(num));
str = rb_str_new_cstr(buf);
rb_io_write(rb_stdout, str);
}
static VALUE
print_num2ulong(VALUE obj, VALUE num)
{
char buf[128];
VALUE str;
sprintf(buf, "%lu", NUM2ULONG(num));
str = rb_str_new_cstr(buf);
rb_io_write(rb_stdout, str);
}
static VALUE
print_num2ll(VALUE obj, VALUE num)
{
char buf[128];
VALUE str;
sprintf(buf, "%lld", NUM2LL(num));
str = rb_str_new_cstr(buf);
rb_io_write(rb_stdout, str);
}
static VALUE
print_num2ull(VALUE obj, VALUE num)
{
char buf[128];
VALUE str;
sprintf(buf, "%llu", NUM2ULL(num));
str = rb_str_new_cstr(buf);
rb_io_write(rb_stdout, str);
}
void
Init_num2int(void)
{
VALUE cNum2int = rb_path2class("TestNum2int::Num2int");
rb_define_singleton_method(cNum2int, "print_num2int", print_num2int, 1);
rb_define_singleton_method(cNum2int, "print_num2uint", print_num2uint, 1);
rb_define_singleton_method(cNum2int, "print_num2long", print_num2long, 1);
rb_define_singleton_method(cNum2int, "print_num2ulong", print_num2ulong, 1);
rb_define_singleton_method(cNum2int, "print_num2ll", print_num2ll, 1);
rb_define_singleton_method(cNum2int, "print_num2ull", print_num2ull, 1);
}

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@ -1888,7 +1888,7 @@ check_uint(VALUE num, VALUE sign)
if (RTEST(sign)) {
/* minus */
if ((num & mask) != mask || (num & ~mask) <= INT_MAX + 1UL)
if ((num & mask) != mask || (num & ~mask) <= INT_MAX)
#define VALUE_MSBMASK ((VALUE)1 << ((sizeof(VALUE) * CHAR_BIT) - 1))
rb_raise(rb_eRangeError, "integer %"PRIdVALUE " too small to convert to `unsigned int'", num|VALUE_MSBMASK);
}

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@ -0,0 +1,145 @@
require 'test/unit'
class TestNum2int < Test::Unit::TestCase
module Num2int
end
require '-test-/num2int/num2int'
INT_MIN = -2147483648
INT_MAX = 2147483647
UINT_MAX = 4294967295
case [0].pack('L!').size
when 4
LONG_MAX = 2147483647
LONG_MIN = -2147483648
ULONG_MAX = 4294967295
when 8
LONG_MAX = 9223372036854775807
LONG_MIN = -9223372036854775808
ULONG_MAX = 18446744073709551615
end
LLONG_MAX = 9223372036854775807
LLONG_MIN = -9223372036854775808
ULLONG_MAX = 18446744073709551615
def test_num2int
assert_output(INT_MIN.to_s) do
Num2int.print_num2int(INT_MIN)
end
assert_output(INT_MAX.to_s) do
Num2int.print_num2int(INT_MAX)
end
assert_raise(RangeError) do
Num2int.print_num2int(INT_MIN-1)
end
assert_raise(RangeError) do
Num2int.print_num2int(INT_MAX+1)
end
end
def test_num2uint
assert_output("0") do
Num2int.print_num2uint(0)
end
assert_output(UINT_MAX.to_s) do
Num2int.print_num2uint(UINT_MAX)
end
assert_output(UINT_MAX.to_s) do
Num2int.print_num2uint(-1)
end
assert_output((INT_MAX+1).to_s) do
Num2int.print_num2uint(INT_MIN)
end
assert_raise(RangeError) do
Num2int.print_num2uint(INT_MIN-1)
end
assert_raise(RangeError) do
Num2int.print_num2uint(UINT_MAX+1)
end
end
def test_num2long
assert_output(LONG_MIN.to_s) do
Num2int.print_num2long(LONG_MIN)
end
assert_output(LONG_MAX.to_s) do
Num2int.print_num2long(LONG_MAX)
end
assert_raise(RangeError) do
Num2int.print_num2long(LONG_MIN-1)
end
assert_raise(RangeError) do
Num2int.print_num2long(LONG_MAX+1)
end
end
def test_num2ulong
assert_output("0") do
Num2int.print_num2ulong(0)
end
assert_output(ULONG_MAX.to_s) do
Num2int.print_num2ulong(ULONG_MAX)
end
assert_output(ULONG_MAX.to_s) do
Num2int.print_num2ulong(-1)
end
assert_output((LONG_MAX+1).to_s) do
Num2int.print_num2ulong(LONG_MIN)
end
assert_raise(RangeError) do
Num2int.print_num2ulong(LONG_MIN-1)
end
assert_raise(RangeError) do
Num2int.print_num2ulong(ULONG_MAX+1)
end
end
def test_num2ll
assert_output(LONG_MIN.to_s) do
Num2int.print_num2ll(LONG_MIN)
end
assert_output(LLONG_MAX.to_s) do
Num2int.print_num2ll(LLONG_MAX)
end
assert_raise(RangeError) do
Num2int.print_num2ll(LLONG_MIN-1)
end
assert_raise(RangeError) do
Num2int.print_num2ll(LLONG_MAX+1)
end
end
def test_num2ull
assert_output("0") do
Num2int.print_num2ull(0)
end
assert_output(ULLONG_MAX.to_s) do
Num2int.print_num2ull(ULLONG_MAX)
end
assert_output(ULLONG_MAX.to_s) do
Num2int.print_num2ull(-1)
end
assert_output((LLONG_MAX+2).to_s) do
Num2int.print_num2ull(LLONG_MIN+1)
end
# maybe bug
assert_output((LLONG_MAX).to_s) do
Num2int.print_num2ull(LLONG_MIN-1)
end
# maybe bug
assert_output(1.to_s) do
Num2int.print_num2ull(LLONG_MIN*2+1)
end
assert_raise(RangeError) do
Num2int.print_num2ull(LLONG_MIN*2)
end
assert_raise(RangeError) do
Num2int.print_num2ull(ULLONG_MAX+1)
end
end
end