The Tor Browser: security/nss/cmd/tests/encodeinttest.c@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* This Source Code Form is subject to the terms of the Mozilla Public

     2  * License, v. 2.0. If a copy of the MPL was not distributed with this

     3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     5 #include <stdio.h>

     7 #include "secasn1.h"

     9 struct TestCase {

    10     long value;

    11     unsigned char data[5];

    12     unsigned int len;

    13 };

    15 static struct TestCase testCase[] = {

    16     /* XXX NSS doesn't generate the shortest encoding for negative values. */

    17 #if 0

    18     { -128, { 0x80 }, 1 },

    19     { -129, { 0xFF, 0x7F }, 2 },

    20 #endif

    22     { 0, { 0x00 }, 1 },

    23     { 127, { 0x7F }, 1 },

    24     { 128, { 0x00, 0x80 }, 2 },

    25     { 256, { 0x01, 0x00 }, 2 },

    26     { 32768, { 0x00, 0x80, 0x00 }, 3 }

    27 };

    29 int main()

    30 {

    31     PRBool failed = PR_FALSE;

    32     unsigned int i;

    33     unsigned int j;

    35     for (i = 0; i < sizeof(testCase)/sizeof(testCase[0]); i++) {

    36         SECItem encoded;

    37         if (SEC_ASN1EncodeInteger(NULL, &encoded, testCase[i].value) == NULL) {

    38             fprintf(stderr, "SEC_ASN1EncodeInteger failed\n");

    39             failed = PR_TRUE;

    40             continue;

    41         }

    42         if (encoded.len != testCase[i].len ||

    43             memcmp(encoded.data, testCase[i].data, encoded.len) != 0) {

    44             fprintf(stderr, "Encoding of %ld is incorrect:",

    45                     testCase[i].value);

    46             for (j = 0; j < encoded.len; j++) {

    47                 fprintf(stderr, " 0x%02X", (unsigned int)encoded.data[j]);

    48             }

    49             fputs("\n", stderr);

    50             failed = PR_TRUE;

    51         }

    52         PORT_Free(encoded.data);

    53     }

    55     if (failed) {

    56         fprintf(stderr, "FAIL\n");

    57         return 1;

    58     }

    59     printf("PASS\n");

    60     return 0;

    61 }

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