gecko-dev/security/nss/cmd/tests/encodeinttest.c

62 строки
1.6 KiB
C

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include <stdio.h>
#include "secasn1.h"
struct TestCase {
long value;
unsigned char data[5];
unsigned int len;
};
static struct TestCase testCase[] = {
/* XXX NSS doesn't generate the shortest encoding for negative values. */
#if 0
{ -128, { 0x80 }, 1 },
{ -129, { 0xFF, 0x7F }, 2 },
#endif
{ 0, { 0x00 }, 1 },
{ 127, { 0x7F }, 1 },
{ 128, { 0x00, 0x80 }, 2 },
{ 256, { 0x01, 0x00 }, 2 },
{ 32768, { 0x00, 0x80, 0x00 }, 3 }
};
int main()
{
PRBool failed = PR_FALSE;
unsigned int i;
unsigned int j;
for (i = 0; i < sizeof(testCase)/sizeof(testCase[0]); i++) {
SECItem encoded;
if (SEC_ASN1EncodeInteger(NULL, &encoded, testCase[i].value) == NULL) {
fprintf(stderr, "SEC_ASN1EncodeInteger failed\n");
failed = PR_TRUE;
continue;
}
if (encoded.len != testCase[i].len ||
memcmp(encoded.data, testCase[i].data, encoded.len) != 0) {
fprintf(stderr, "Encoding of %ld is incorrect:",
testCase[i].value);
for (j = 0; j < encoded.len; j++) {
fprintf(stderr, " 0x%02X", (unsigned int)encoded.data[j]);
}
fputs("\n", stderr);
failed = PR_TRUE;
}
PORT_Free(encoded.data);
}
if (failed) {
fprintf(stderr, "FAIL\n");
return 1;
}
printf("PASS\n");
return 0;
}