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#include <stdio.h>
#include <assert.h>
#include <INTEGER.h>
#include <INTEGER.c>
#include <per_support.c>
#include <per_support.h>
static int FailOut(const void *data, size_t size, void *op_key) {
(void)data;
(void)size;
(void)op_key;
assert(!"UNREACHABLE");
return 0;
}
static void normalize(asn_per_outp_t *po) {
if(po->nboff >= 8) {
po->buffer += (po->nboff >> 3);
po->nbits -= (po->nboff & ~0x07);
po->nboff &= 0x07;
}
}
static void
check_per_encode_constrained(int lineno, int unsigned_, long value, long lbound, unsigned long ubound, int bit_range) {
INTEGER_t st;
INTEGER_t *reconstructed_st = 0;
struct asn_INTEGER_specifics_s specs;
struct asn_per_constraints_s cts;
asn_enc_rval_t enc_rval;
asn_dec_rval_t dec_rval;
asn_per_outp_t po;
asn_per_data_t pd;
if(unsigned_)
printf("%d: Recoding %s %lu [%ld..%lu]\n", lineno,
unsigned_ ? "unsigned" : "signed", value, lbound, ubound);
else
printf("%d: Recoding %s %ld [%ld..%lu]\n", lineno,
unsigned_ ? "unsigned" : "signed", value, lbound, ubound);
memset(&st, 0, sizeof(st));
memset(&po, 0, sizeof(po));
memset(&pd, 0, sizeof(pd));
memset(&cts, 0, sizeof(cts));
memset(&specs, 0, sizeof(specs));
cts.value.flags = APC_CONSTRAINED;
cts.value.range_bits = bit_range;
cts.value.effective_bits = bit_range;
cts.value.lower_bound = lbound;
cts.value.upper_bound = ubound;
if(unsigned_)
asn_ulong2INTEGER(&st, (unsigned long)value);
else
asn_long2INTEGER(&st, value);
po.buffer = po.tmpspace;
po.nboff = 0;
po.nbits = 8 * sizeof(po.tmpspace);
po.outper = FailOut;
specs.field_width = sizeof(long);
specs.field_unsigned = unsigned_;
asn_DEF_INTEGER.specifics = &specs;
enc_rval = INTEGER_encode_uper(&asn_DEF_INTEGER, &cts, &st, &po);
assert(enc_rval.encoded == 0);
normalize(&po);
assert(po.buffer == &po.tmpspace[bit_range / 8]);
if(unsigned_) {
unsigned long recovered_value =
((uint32_t)po.tmpspace[0] << 24)
| ((uint32_t)po.tmpspace[1] << 16)
| ((uint32_t)po.tmpspace[2] << 8)
| ((uint32_t)po.tmpspace[3] << 0);
recovered_value >>= (32 - bit_range);
recovered_value += cts.value.lower_bound;
assert(recovered_value == (unsigned long)value);
} else {
long recovered_value =
((uint32_t)po.tmpspace[0] << 24)
| ((uint32_t)po.tmpspace[1] << 16)
| ((uint32_t)po.tmpspace[2] << 8)
| ((uint32_t)po.tmpspace[3] << 0);
recovered_value = (unsigned long)recovered_value >> (32 - bit_range);
recovered_value += cts.value.lower_bound;
assert((long)recovered_value == value);
}
assert(po.nboff == (size_t)((bit_range == 32) ? 0 : (8 - (32 - bit_range))));
assert(po.nbits == 8 * (sizeof(po.tmpspace) - (po.buffer-po.tmpspace)));
assert(po.flushed_bytes == 0);
pd.buffer = po.tmpspace;
pd.nboff = 0;
pd.nbits = 8 * (po.buffer - po.tmpspace) + po.nboff;
pd.moved = 0;
dec_rval = INTEGER_decode_uper(0, &asn_DEF_INTEGER, &cts,
(void **)&reconstructed_st, &pd);
assert(dec_rval.code == RC_OK);
if(unsigned_) {
unsigned long reconstructed_value = 0;
asn_INTEGER2ulong(reconstructed_st, &reconstructed_value);
assert(reconstructed_value == (unsigned long)value);
} else {
long reconstructed_value = 0;
asn_INTEGER2long(reconstructed_st, &reconstructed_value);
assert(reconstructed_value == value);
}
}
#define CHECK(u, v, l, r, b) \
check_per_encode_constrained(__LINE__, u, v, l, r, b)
int
main() {
int unsigned_;
for(unsigned_ = 0; unsigned_ < 2; unsigned_++) {
int u = unsigned_;
/* Encode a signed 0x8babab into a range constrained by 0..2^29-1 */
CHECK(u, 0x8babab, 0, 536870911UL, 29);
CHECK(u, 0x8babab, 0, 1073741823UL, 30);
CHECK(u, 0x8babab, 0, 2147483647UL, 31);
CHECK(u, 0x8babab, 10, 536870901UL, 29);
CHECK(u, 0x8babab, 10, 1073741803UL, 30);
CHECK(u, 0x8babab, 10, 2147483607UL, 31);
CHECK(0, 0x8babab, -10, 536870901UL, 29);
CHECK(0, 0x8babab, -10, 1073741803UL, 30);
CHECK(0, 0x8babab, -10, 2147483607UL, 31);
CHECK(u, 11, 10, 536870901UL, 29);
CHECK(u, 11, 10, 1073741803UL, 30);
CHECK(u, 11, 10, 2147483607UL, 31);
CHECK(0, 1, -10, 536870901UL, 29);
CHECK(0, 1, -10, 1073741803UL, 30);
CHECK(0, 1, -10, 2147483607UL, 31);
CHECK(u, 10, 10, 536870901UL, 29);
CHECK(u, 10, 10, 1073741803UL, 30);
CHECK(u, 10, 10, 2147483607UL, 31);
CHECK(0, 0, -10, 536870901UL, 29);
CHECK(0, 0, -10, 1073741803UL, 30);
CHECK(0, 0, -10, 2147483607UL, 31);
CHECK(0, -1, -10, 536870901UL, 29);
CHECK(0, -1, -10, 1073741803UL, 30);
CHECK(0, -1, -10, 2147483607UL, 31);
CHECK(0, -10, -10, 536870901UL, 29);
CHECK(0, -10, -10, 1073741803UL, 30);
CHECK(0, -10, -10, 2147483607UL, 31);
CHECK(u, 536870901UL, 10, 536870901UL, 29);
CHECK(u, 1073741803UL, 10, 1073741803UL, 30);
CHECK(u, 2147483607UL, 10, 2147483607UL, 31);
CHECK(0, 536870901UL, -10, 536870901UL, 29);
CHECK(0, 1073741803UL, -10, 1073741803UL, 30);
CHECK(0, 2147483607UL, -10, 2147483607UL, 31);
CHECK(0, -2147483648, -2147483648, 2147483647, 32);
CHECK(0, -10, -2147483648, 2147483647, 32);
CHECK(0, -1, -2147483648, 2147483647, 32);
CHECK(0, 0, -2147483648, 2147483647, 32);
CHECK(0, 1, -2147483648, 2147483647, 32);
CHECK(0, 10, -2147483648, 2147483647, 32);
CHECK(0, 2147483647, -2147483648, 2147483647, 32);
CHECK(1, 0, 0, 4294967295UL, 32);
CHECK(1, 1, 0, 4294967295UL, 32);
CHECK(1, 10, 0, 4294967295UL, 32);
CHECK(1, 2000000000, 0, 4294967295UL, 32);
CHECK(1, 2147483647, 0, 4294967295UL, 32);
CHECK(1, 2147483648, 0, 4294967295UL, 32);
CHECK(1, 4000000000, 0, 4294967295UL, 32);
CHECK(1, 4294967295UL, 0, 4294967295UL, 32);
CHECK(1, 10, 10, 4294967285UL, 32);
CHECK(1, 11, 10, 4294967285UL, 32);
if(sizeof(long) > sizeof(uint32_t)) {
CHECK(0, 0, -10, 4294967285UL, 32);
CHECK(0, 1, -10, 4294967285UL, 32);
CHECK(0, -1, -10, 4294967285UL, 32);
CHECK(0, -10, -10, 4294967285UL, 32);
CHECK(0, -10, -10, 4294967285UL, 32);
CHECK(0, 0x8babab, -10, 4294967285UL, 32);
CHECK(u, 0x8babab, 0, 4294967295UL, 32);
CHECK(u, 11, 10, 4294967205UL, 32);
CHECK(u, 10, 10, 4294967205UL, 32);
CHECK(u, 4294967205UL, 10, 4294967285UL, 32);
CHECK(0, 4294967205UL, -10, 4294967285UL, 32);
CHECK(u, 4294967295UL, 1, 4294967295UL, 32);
CHECK(u, 2000000000, 0, 4294967295UL, 32);
CHECK(u, 2147483647, 0, 4294967295UL, 32);
CHECK(u, 2147483648, 0, 4294967295UL, 32);
CHECK(u, 4000000000, 0, 4294967295UL, 32);
}
}
return 0;
}
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