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Feature #4938 » randombytes-ruby22.diff

hsbt (Hiroshi SHIBATA), 10/29/2014 05:37 AM

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random.c
}
VALUE rb_cRandom;
static VALUE rand_default;
#define id_minus '-'
#define id_plus '+'
static ID id_rand, id_bytes;
......
return bytes;
}
/*
* call-seq: Random.bytes(size) -> a_string
*
* Returns a random binary string. The argument size specified the length of
* the result string.
*/
static VALUE
random_s_bytes(VALUE obj, VALUE len)
{
return random_bytes(rand_default, len);
}
static VALUE
range_values(VALUE vmax, VALUE *begp, VALUE *endp, int *exclp)
{
......
rb_define_method(rb_cRandom, "==", random_equal, 1);
{
VALUE rand_default = TypedData_Wrap_Struct(rb_cRandom, &random_data_type, &default_rand);
rand_default = TypedData_Wrap_Struct(rb_cRandom, &random_data_type, &default_rand);
rb_gc_register_mark_object(rand_default);
/* Direct access to Ruby's Pseudorandom number generator (PRNG). */
rb_define_const(rb_cRandom, "DEFAULT", rand_default);
......
rb_define_singleton_method(rb_cRandom, "srand", rb_f_srand, -1);
rb_define_singleton_method(rb_cRandom, "rand", random_s_rand, -1);
rb_define_singleton_method(rb_cRandom, "bytes", random_s_bytes, 1);
rb_define_singleton_method(rb_cRandom, "new_seed", random_seed, 0);
rb_define_private_method(CLASS_OF(rb_cRandom), "state", random_s_state, 0);
rb_define_private_method(CLASS_OF(rb_cRandom), "left", random_s_left, 0);
test/ruby/test_rand.rb
end
def assert_random_bytes(r)
srand(0)
assert_equal("", r.bytes(0))
assert_equal("", Random.bytes(0))
assert_equal("\xAC".force_encoding("ASCII-8BIT"), r.bytes(1))
assert_equal("/\xAA\xC4\x97u\xA6\x16\xB7\xC0\xCC".force_encoding("ASCII-8BIT"),
r.bytes(10))
assert_equal("\xAC".force_encoding("ASCII-8BIT"), Random.bytes(1))
assert_equal("/\xAA\xC4\x97u\xA6\x16\xB7\xC0\xCC".force_encoding("ASCII-8BIT"), r.bytes(10))
assert_equal("/\xAA\xC4\x97u\xA6\x16\xB7\xC0\xCC".force_encoding("ASCII-8BIT"), Random.bytes(10))
end
def test_random_range
(2-2/2)