github
/
ruby
зеркало из https://github.com/github/ruby.git
1
0
Форкнуть 0
Код Задачи Пакеты Проекты Релизы Вики Активность

rb_integer_pack tests refined. 

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41231 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2013-06-11 13:15:56 +00:00
Родитель d5a3818f8e
Коммит 17a5321c40
2 изменённых файлов: 57 добавлений и 39 удалений
Показать статистику Скачать Patch файл Скачать Diff файл Показать все файлы Свернуть все файлы

32
ext/-test-/bignum/pack.c
Просмотреть файл

@ -2,20 +2,37 @@
#include "internal.h"
static VALUE
rb_integer_pack_m(VALUE val, VALUE buf, VALUE wordsize_arg, VALUE nails, VALUE flags)
rb_integer_pack_raw_m(VALUE val, VALUE buf, VALUE numwords_arg, VALUE wordsize_arg, VALUE nails, VALUE flags)
{
int sign;
size_t count = 0;
size_t numwords = 0;
size_t wordsize = NUM2SIZET(wordsize_arg);
StringValue(buf);
rb_str_modify(buf);
count = wordsize == 0 ? 0 : RSTRING_LEN(buf) / wordsize;
sign = rb_integer_pack(val,
RSTRING_PTR(buf), count,
RSTRING_PTR(buf), NUM2SIZET(numwords_arg),
NUM2SIZET(wordsize_arg), NUM2SIZET(nails), NUM2INT(flags));
return rb_ary_new_from_args(2, INT2NUM(sign), rb_str_new(RSTRING_PTR(buf), wordsize * numwords));
}
static VALUE
rb_integer_pack_m(VALUE val, VALUE numwords_arg, VALUE wordsize_arg, VALUE nails, VALUE flags)
{
int sign;
size_t numwords = NUM2SIZET(numwords_arg);
size_t wordsize = NUM2SIZET(wordsize_arg);
VALUE buf;
if (numwords != 0 && wordsize != 0 && LONG_MAX / wordsize < numwords)
rb_raise(rb_eArgError, "too big numwords * wordsize");
buf = rb_str_new(NULL, numwords * wordsize);
sign = rb_integer_pack(val,
RSTRING_PTR(buf), numwords,
wordsize, NUM2SIZET(nails), NUM2INT(flags));
return rb_ary_new_from_args(3, INT2NUM(sign), rb_str_new(RSTRING_PTR(buf), wordsize * count), SIZET2NUM(count));
return rb_assoc_new(INT2NUM(sign), buf);
}
static VALUE
@ -37,18 +54,19 @@ rb_integer_pack_2comp_m(VALUE val, VALUE numwords_arg, VALUE wordsize_arg, VALUE
}
static VALUE
rb_integer_unpack_m(VALUE klass, VALUE sign, VALUE buf, VALUE wordcount, VALUE wordsize, VALUE nails, VALUE flags)
rb_integer_unpack_m(VALUE klass, VALUE sign, VALUE buf, VALUE numwords, VALUE wordsize, VALUE nails, VALUE flags)
{
StringValue(buf);
return rb_integer_unpack(NUM2INT(sign), RSTRING_PTR(buf),
NUM2SIZET(wordcount), NUM2SIZET(wordsize),
NUM2SIZET(numwords), NUM2SIZET(wordsize),
NUM2SIZET(nails), NUM2INT(flags));
}
void
Init_pack(VALUE klass)
{
rb_define_method(rb_cInteger, "test_pack_raw", rb_integer_pack_raw_m, 5);
rb_define_method(rb_cInteger, "test_pack", rb_integer_pack_m, 4);
rb_define_method(rb_cInteger, "test_pack_2comp", rb_integer_pack_2comp_m, 4);
rb_define_singleton_method(rb_cInteger, "test_unpack", rb_integer_unpack_m, 6);

64
test/-ext-/bignum/test_pack.rb
Просмотреть файл

@ -15,61 +15,61 @@ class TestBignum < Test::Unit::TestCase
BIG_ENDIAN = Integer::INTEGER_PACK_BIG_ENDIAN
def test_pack_zero
assert_equal([0, "", 0], 0.test_pack("", 1, 0, BIG_ENDIAN))
assert_equal([0, ""], 0.test_pack(0, 1, 0, BIG_ENDIAN))
end
def test_pack_argument_check
assert_raise(ArgumentError) { 0.test_pack("", 1, 0, MSBYTE_FIRST) }
assert_raise(ArgumentError) { 0.test_pack("", 1, 0, MSWORD_FIRST) }
assert_raise(ArgumentError) { 0.test_pack("", 0, 0, BIG_ENDIAN) }
assert_raise(ArgumentError) { 0.test_pack("", 1, 8, BIG_ENDIAN) }
assert_raise(ArgumentError) { 0.test_pack_raw("", 0, 1, 0, MSBYTE_FIRST) }
assert_raise(ArgumentError) { 0.test_pack_raw("", 0, 1, 0, MSWORD_FIRST) }
assert_raise(ArgumentError) { 0.test_pack_raw("", 0, 0, 0, BIG_ENDIAN) }
assert_raise(ArgumentError) { 0.test_pack_raw("", 0, 1, 8, BIG_ENDIAN) }
# assume sizeof(ssize_t) == sizeof(intptr_t)
assert_raise(ArgumentError) { 0.test_pack("", 1 << ([""].pack("p").length * 8 - 1), 0, BIG_ENDIAN) }
assert_raise(ArgumentError) { 0.test_pack_raw("", 1 << ([""].pack("p").length * 8 - 1), 0, BIG_ENDIAN) }
end
def test_pack_wordsize
assert_equal([1, "\x01", 1], 1.test_pack("x", 1, 0, BIG_ENDIAN))
assert_equal([1, "\x00\x01", 1], 1.test_pack("xx", 2, 0, BIG_ENDIAN))
assert_equal([1, "\x00\x00\x01", 1], 1.test_pack("xxx", 3, 0, BIG_ENDIAN))
assert_equal([1, "\x01", 1], 1.test_pack("x", 1, 0, LITTLE_ENDIAN))
assert_equal([1, "\x01\x00", 1], 1.test_pack("xx", 2, 0, LITTLE_ENDIAN))
assert_equal([1, "\x01\x00\x00", 1], 1.test_pack("xxx", 3, 0, LITTLE_ENDIAN))
assert_equal([1, "\x01"], 1.test_pack(1, 1, 0, BIG_ENDIAN))
assert_equal([1, "\x00\x01"], 1.test_pack(1, 2, 0, BIG_ENDIAN))
assert_equal([1, "\x00\x00\x01"], 1.test_pack(1, 3, 0, BIG_ENDIAN))
assert_equal([1, "\x01"], 1.test_pack(1, 1, 0, LITTLE_ENDIAN))
assert_equal([1, "\x01\x00"], 1.test_pack(1, 2, 0, LITTLE_ENDIAN))
assert_equal([1, "\x01\x00\x00"], 1.test_pack(1, 3, 0, LITTLE_ENDIAN))
end
def test_pack_fixed_buffer
assert_equal([0, "\x00\x00", 2], 0.test_pack("xx", 1, 0, BIG_ENDIAN))
assert_equal([1, "\x00\x01", 2], 0x01.test_pack("xx", 1, 0, BIG_ENDIAN))
assert_equal([1, "\x02\x01", 2], 0x0201.test_pack("xx", 1, 0, BIG_ENDIAN))
assert_equal([2, "\x02\x01", 2], 0x030201.test_pack("xx", 1, 0, BIG_ENDIAN))
assert_equal([2, "\x02\x01", 2], 0x04030201.test_pack("xx", 1, 0, BIG_ENDIAN))
assert_equal([0, "\x00\x00", 2], 0.test_pack("xx", 1, 0, LITTLE_ENDIAN))
assert_equal([1, "\x01\x00", 2], 0x01.test_pack("xx", 1, 0, LITTLE_ENDIAN))
assert_equal([1, "\x01\x02", 2], 0x0201.test_pack("xx", 1, 0, LITTLE_ENDIAN))
assert_equal([2, "\x01\x02", 2], 0x030201.test_pack("xx", 1, 0, LITTLE_ENDIAN))
assert_equal([2, "\x01\x02", 2], 0x04030201.test_pack("xx", 1, 0, LITTLE_ENDIAN))
assert_equal([0, "\x00\x00"], 0.test_pack(2, 1, 0, BIG_ENDIAN))
assert_equal([1, "\x00\x01"], 0x01.test_pack(2, 1, 0, BIG_ENDIAN))
assert_equal([1, "\x02\x01"], 0x0201.test_pack(2, 1, 0, BIG_ENDIAN))
assert_equal([2, "\x02\x01"], 0x030201.test_pack(2, 1, 0, BIG_ENDIAN))
assert_equal([2, "\x02\x01"], 0x04030201.test_pack(2, 1, 0, BIG_ENDIAN))
assert_equal([0, "\x00\x00"], 0.test_pack(2, 1, 0, LITTLE_ENDIAN))
assert_equal([1, "\x01\x00"], 0x01.test_pack(2, 1, 0, LITTLE_ENDIAN))
assert_equal([1, "\x01\x02"], 0x0201.test_pack(2, 1, 0, LITTLE_ENDIAN))
assert_equal([2, "\x01\x02"], 0x030201.test_pack(2, 1, 0, LITTLE_ENDIAN))
assert_equal([2, "\x01\x02"], 0x04030201.test_pack(2, 1, 0, LITTLE_ENDIAN))
end
def test_pack_wordorder_and_endian
assert_equal([1, "\x12\x34\x56\x78", 2], 0x12345678.test_pack("xxxx", 2, 0, MSWORD_FIRST|MSBYTE_FIRST))
assert_equal([1, "\x34\x12\x78\x56", 2], 0x12345678.test_pack("xxxx", 2, 0, MSWORD_FIRST|LSBYTE_FIRST))
assert_equal([1, "\x56\x78\x12\x34", 2], 0x12345678.test_pack("xxxx", 2, 0, LSWORD_FIRST|MSBYTE_FIRST))
assert_equal([1, "\x78\x56\x34\x12", 2], 0x12345678.test_pack("xxxx", 2, 0, LSWORD_FIRST|LSBYTE_FIRST))
assert_equal([1, "\x12\x34\x56\x78"], 0x12345678.test_pack(2, 2, 0, MSWORD_FIRST|MSBYTE_FIRST))
assert_equal([1, "\x34\x12\x78\x56"], 0x12345678.test_pack(2, 2, 0, MSWORD_FIRST|LSBYTE_FIRST))
assert_equal([1, "\x56\x78\x12\x34"], 0x12345678.test_pack(2, 2, 0, LSWORD_FIRST|MSBYTE_FIRST))
assert_equal([1, "\x78\x56\x34\x12"], 0x12345678.test_pack(2, 2, 0, LSWORD_FIRST|LSBYTE_FIRST))
end
def test_pack_native_endian
assert_equal([1, [0x1234].pack("S!"), 1], 0x1234.test_pack("xx", 2, 0, MSWORD_FIRST|NATIVE_BYTE_ORDER))
assert_equal([1, [0x1234].pack("S!")], 0x1234.test_pack(1, 2, 0, MSWORD_FIRST|NATIVE_BYTE_ORDER))
end
def test_pack_nail
assert_equal([1, "\x01\x00\x00\x00\x01\x01", 6], 0b100011.test_pack("xxxxxx", 1, 7, BIG_ENDIAN))
assert_equal([1, "\x01\x02\x03\x04\x05\x06\x07\x08", 8], 0x12345678.test_pack("xxxxxxxx", 1, 4, BIG_ENDIAN))
assert_equal([1, "\x00\x12\x00\x34\x00\x56\x00\x78", 4], 0x12345678.test_pack("xxxxxxxx", 2, 8, BIG_ENDIAN))
assert_equal([1, "\x01\x00\x00\x00\x01\x01"], 0b100011.test_pack(6, 1, 7, BIG_ENDIAN))
assert_equal([1, "\x01\x02\x03\x04\x05\x06\x07\x08"], 0x12345678.test_pack(8, 1, 4, BIG_ENDIAN))
assert_equal([1, "\x00\x12\x00\x34\x00\x56\x00\x78"], 0x12345678.test_pack(4, 2, 8, BIG_ENDIAN))
end
def test_pack_sign
assert_equal([-1, "\x01", 1], (-1).test_pack("x", 1, 0, BIG_ENDIAN))
assert_equal([-1, "\x80\x70\x60\x50\x40\x30\x20\x10", 8], (-0x8070605040302010).test_pack("xxxxxxxx", 1, 0, BIG_ENDIAN))
assert_equal([-1, "\x01"], (-1).test_pack(1, 1, 0, BIG_ENDIAN))
assert_equal([-1, "\x80\x70\x60\x50\x40\x30\x20\x10"], (-0x8070605040302010).test_pack(8, 1, 0, BIG_ENDIAN))
end
def test_pack2comp_zero