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Annotation of embedaddon/curl/tests/unit/unit1652.c, revision 1.1

1.1     ! misho       1: /***************************************************************************
        !             2:  *                                  _   _ ____  _
        !             3:  *  Project                     ___| | | |  _ \| |
        !             4:  *                             / __| | | | |_) | |
        !             5:  *                            | (__| |_| |  _ <| |___
        !             6:  *                             \___|\___/|_| \_\_____|
        !             7:  *
        !             8:  * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
        !             9:  *
        !            10:  * This software is licensed as described in the file COPYING, which
        !            11:  * you should have received as part of this distribution. The terms
        !            12:  * are also available at https://curl.haxx.se/docs/copyright.html.
        !            13:  *
        !            14:  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
        !            15:  * copies of the Software, and permit persons to whom the Software is
        !            16:  * furnished to do so, under the terms of the COPYING file.
        !            17:  *
        !            18:  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
        !            19:  * KIND, either express or implied.
        !            20:  *
        !            21:  ***************************************************************************/
        !            22: #include "curlcheck.h"
        !            23: 
        !            24: #include "urldata.h"
        !            25: #include "sendf.h"
        !            26: 
        !            27: /*
        !            28:  * This test hardcodes the knowledge of the buffer size which is internal to
        !            29:  * Curl_infof(). If that buffer is changed in size, this tests needs to be
        !            30:  * updated to still be valid.
        !            31:  */
        !            32: 
        !            33: static struct Curl_easy *data;
        !            34: 
        !            35: static char input[4096];
        !            36: static char result[4096];
        !            37: 
        !            38: int debugf_cb(CURL *handle, curl_infotype type, char *buf, size_t size,
        !            39:               void *userptr);
        !            40: 
        !            41: /*
        !            42:  * This debugf callback is simply dumping the string into the static buffer
        !            43:  * for the unit test to inspect. Since we know that we're only dealing with
        !            44:  * text we can afford the luxury of skipping the type check here.
        !            45:  */
        !            46: int
        !            47: debugf_cb(CURL *handle, curl_infotype type, char *buf, size_t size,
        !            48:                 void *userptr)
        !            49: {
        !            50:   (void)handle;
        !            51:   (void)type;
        !            52:   (void)userptr;
        !            53: 
        !            54:   memset(result, '\0', sizeof(result));
        !            55:   memcpy(result, buf, size);
        !            56:   return 0;
        !            57: }
        !            58: 
        !            59: static CURLcode
        !            60: unit_setup(void)
        !            61: {
        !            62:   int res = 0;
        !            63: 
        !            64:   global_init(CURL_GLOBAL_ALL);
        !            65:   data = curl_easy_init();
        !            66:   if(!data)
        !            67:     return CURLE_OUT_OF_MEMORY;
        !            68:   curl_easy_setopt(data, CURLOPT_DEBUGFUNCTION, debugf_cb);
        !            69:   curl_easy_setopt(data, CURLOPT_VERBOSE, 1L);
        !            70:   return CURLE_OK;
        !            71: }
        !            72: 
        !            73: static void
        !            74: unit_stop(void)
        !            75: {
        !            76:   curl_easy_cleanup(data);
        !            77:   curl_global_cleanup();
        !            78: }
        !            79: 
        !            80: UNITTEST_START
        !            81: 
        !            82: /* Injecting a simple short string via a format */
        !            83: msnprintf(input, sizeof(input), "Simple Test");
        !            84: Curl_infof(data, "%s", input);
        !            85: fail_unless(strcmp(result, input) == 0, "Simple string test");
        !            86: 
        !            87: /* Injecting a few different variables with a format */
        !            88: Curl_infof(data, "%s %u testing %lu\n", input, 42, 43L);
        !            89: fail_unless(strcmp(result, "Simple Test 42 testing 43\n") == 0,
        !            90:             "Format string");
        !            91: 
        !            92: /* Variations of empty strings */
        !            93: Curl_infof(data, "");
        !            94: fail_unless(strlen(result) == 0, "Empty string");
        !            95: Curl_infof(data, "%s", NULL);
        !            96: fail_unless(strcmp(result, "(nil)") == 0, "Passing NULL as string");
        !            97: 
        !            98: /* A string just long enough to not be truncated */
        !            99: memset(input, '\0', sizeof(input));
        !           100: memset(input, 'A', 2048);
        !           101: Curl_infof(data, "%s", input);
        !           102: fail_unless(strlen(result) == 2048, "No truncation of infof input");
        !           103: fail_unless(strcmp(result, input) == 0, "No truncation of infof input");
        !           104: fail_unless(result[sizeof(result) - 1] == '\0',
        !           105:             "No truncation of infof input");
        !           106: 
        !           107: /* Just over the limit for truncation without newline */
        !           108: memset(input + 2047, 'A', 4);
        !           109: Curl_infof(data, "%s", input);
        !           110: fail_unless(strlen(result) == 2048, "Truncation of infof input 1");
        !           111: fail_unless(result[sizeof(result) - 1] == '\0', "Truncation of infof input 1");
        !           112: fail_unless(strncmp(result + 2045, "...", 3) == 0,
        !           113:             "Truncation of infof input 1");
        !           114: 
        !           115: /* Just over the limit for truncation with newline */
        !           116: memset(input + 2047, 'A', 4);
        !           117: memset(input + 2047 + 4, '\n', 1);
        !           118: Curl_infof(data, "%s\n", input);
        !           119: fail_unless(strlen(result) == 2048, "Truncation of infof input 2");
        !           120: fail_unless(result[sizeof(result) - 1] == '\0', "Truncation of infof input 2");
        !           121: fail_unless(strncmp(result + 2044, "...", 3) == 0,
        !           122:             "Truncation of infof input 2");
        !           123: 
        !           124: /* Way over the limit for truncation with newline */
        !           125: memset(input, '\0', sizeof(input));
        !           126: memset(input, 'A', sizeof(input) - 1);
        !           127: Curl_infof(data, "%s\n", input);
        !           128: fail_unless(strlen(result) == 2048, "Truncation of infof input 3");
        !           129: fail_unless(result[sizeof(result) - 1] == '\0', "Truncation of infof input 3");
        !           130: fail_unless(strncmp(result + 2044, "...", 3) == 0,
        !           131:             "Truncation of infof input 3");
        !           132: 
        !           133: UNITTEST_STOP