/* 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;

}