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
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