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verified https://sourceforge.net/p/asn1c/bugs/45/ with autotests
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,163 @@ | ||
| #include <stdio.h> | ||
| #include <assert.h> | ||
|
|
||
| #define EMIT_ASN_DEBUG 1 | ||
| #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) { | ||
| assert(!"UNREACHABLE"); | ||
| return 0; | ||
| } | ||
|
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||
| 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; | ||
| asn_INTEGER_specifics_t specs; | ||
| asn_per_constraints_t cts; | ||
| asn_enc_rval_t enc_rval; | ||
| asn_dec_rval_t dec_rval; | ||
| asn_per_outp_t po; | ||
| asn_per_data_t pd; | ||
| long reconstructed_value; | ||
|
|
||
| printf("%d: Recoding %s %ld [%ld..%lu]\n", lineno, | ||
| unsigned_ ? "unsigned" : "signed", value, lbound, ubound); | ||
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||
| 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; | ||
|
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||
| asn_long2INTEGER(&st, value); | ||
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||
| 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_; | ||
|
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||
| asn_DEF_INTEGER.specifics = &specs; | ||
| enc_rval = INTEGER_encode_uper(&asn_DEF_INTEGER, &cts, &st, &po); | ||
| assert(enc_rval.encoded == 0); | ||
|
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||
| normalize(&po); | ||
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||
| assert(po.buffer == &po.tmpspace[bit_range / 8]); | ||
| 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 == value); | ||
| assert(po.nboff == ((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); | ||
| reconstructed_value = 0; | ||
| asn_INTEGER2long(reconstructed_st, &reconstructed_value); | ||
| assert(reconstructed_value == value); | ||
| } | ||
|
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||
| #define CHECK(u, v, l, r, b) \ | ||
| check_per_encode_constrained(__LINE__, u, v, l, r, b) | ||
|
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||
| 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, 0, 4294967295UL, 32); | ||
|
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||
| CHECK(u, 0x8babab, 10, 536870901UL, 29); | ||
| CHECK(u, 0x8babab, 10, 1073741803UL, 30); | ||
| CHECK(u, 0x8babab, 10, 2147483607UL, 31); | ||
| CHECK(u, 0x8babab, 10, 4294967205UL, 32); | ||
|
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||
| CHECK(0, 0x8babab, -10, 536870901UL, 29); | ||
| CHECK(0, 0x8babab, -10, 1073741803UL, 30); | ||
| CHECK(0, 0x8babab, -10, 2147483607UL, 31); | ||
| CHECK(0, 0x8babab, -10, 4294967205UL, 32); | ||
|
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||
| CHECK(u, 11, 10, 536870901UL, 29); | ||
| CHECK(u, 11, 10, 1073741803UL, 30); | ||
| CHECK(u, 11, 10, 2147483607UL, 31); | ||
| CHECK(u, 11, 10, 4294967205UL, 32); | ||
|
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||
| CHECK(0, 1, -10, 536870901UL, 29); | ||
| CHECK(0, 1, -10, 1073741803UL, 30); | ||
| CHECK(0, 1, -10, 2147483607UL, 31); | ||
| CHECK(0, 1, -10, 4294967205UL, 32); | ||
|
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||
| CHECK(u, 10, 10, 536870901UL, 29); | ||
| CHECK(u, 10, 10, 1073741803UL, 30); | ||
| CHECK(u, 10, 10, 2147483607UL, 31); | ||
| CHECK(u, 10, 10, 4294967205UL, 32); | ||
|
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||
| CHECK(0, 0, -10, 536870901UL, 29); | ||
| CHECK(0, 0, -10, 1073741803UL, 30); | ||
| CHECK(0, 0, -10, 2147483607UL, 31); | ||
| CHECK(0, 0, -10, 4294967205UL, 32); | ||
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||
| CHECK(0, -1, -10, 536870901UL, 29); | ||
| CHECK(0, -1, -10, 1073741803UL, 30); | ||
| CHECK(0, -1, -10, 2147483607UL, 31); | ||
| CHECK(0, -1, -10, 4294967205UL, 32); | ||
|
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||
| CHECK(0, -10, -10, 536870901UL, 29); | ||
| CHECK(0, -10, -10, 1073741803UL, 30); | ||
| CHECK(0, -10, -10, 2147483607UL, 31); | ||
| CHECK(0, -10, -10, 4294967205UL, 32); | ||
|
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||
| CHECK(u, 536870901UL, 10, 536870901UL, 29); | ||
| CHECK(u, 1073741803UL, 10, 1073741803UL, 30); | ||
| CHECK(u, 2147483607UL, 10, 2147483607UL, 31); | ||
| CHECK(u, 4294967205UL, 10, 4294967205UL, 32); | ||
|
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||
| CHECK(0, 536870901UL, -10, 536870901UL, 29); | ||
| CHECK(0, 1073741803UL, -10, 1073741803UL, 30); | ||
| CHECK(0, 2147483607UL, -10, 2147483607UL, 31); | ||
| CHECK(0, 4294967205UL, -10, 4294967205UL, 32); | ||
|
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||
| CHECK(u, 2000000000, 0, 4294967295UL, 32); | ||
| CHECK(u, 2147483647, 0, 4294967295UL, 32); | ||
| CHECK(u, 2147483648, 0, 4294967295UL, 32); | ||
| CHECK(u, 4000000000, 0, 4294967295UL, 32); | ||
| CHECK(u, 4294967295UL, 1, 4294967295UL, 32); | ||
| } | ||
|
|
||
| return 0; | ||
| } |