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Unit test for ast_str API.
Review: https://reviewboard.asterisk.org/r/517 git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@248489 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Michelson
261
tests/test_strings.c
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261
tests/test_strings.c
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/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2010, Digium, Inc.
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*
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* Mark Michelson <mmichelson@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief Dynamic string tests
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*
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* \author Mark Michelson <mmichelson@digium.com>
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*
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* This module will run some dyanmic string tests.
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* \ingroup tests
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*/
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/*** MODULEINFO
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<depend>TEST_FRAMEWORK</depend>
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***/
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#include "asterisk.h"
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#include "asterisk/test.h"
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#include "asterisk/utils.h"
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#include "asterisk/strings.h"
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#include "asterisk/module.h"
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AST_TEST_DEFINE(str_test)
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{
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struct ast_str *stack_str;
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struct ast_str *heap_str;
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const char short_string1[] = "apple";
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const char short_string2[] = "banana";
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char short_string_cat[30];
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const char long_string1[] = "applebananapeachmangocherrypeargrapeplumlimetangerinepomegranategravel";
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const char long_string2[] = "passionuglinectarinepineapplekiwilemonpaintthinner";
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char long_string_cat[200];
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char string_limit_cat[11];
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const int string_limit = 5;
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int current_size;
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enum ast_test_result_state res = AST_TEST_PASS;
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switch (cmd) {
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case TEST_INIT:
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info->name = "str_test";
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info->category = "main/strings/";
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info->summary = "Test dynamic string operations";
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info->description = "Test setting and appending stack and heap-allocated strings";
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return AST_TEST_NOT_RUN;
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case TEST_EXECUTE:
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break;
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}
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snprintf(short_string_cat, sizeof(short_string_cat), "%s%s", short_string1, short_string2);
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snprintf(long_string_cat, sizeof(long_string_cat), "%s%s", long_string1, long_string2);
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snprintf(string_limit_cat, string_limit, "%s", long_string1);
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strncat(string_limit_cat, long_string2, string_limit);
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if (!(stack_str = ast_str_alloca(15))) {
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ast_test_status_update(test, "Failed to allocate an ast_str on the stack\n");
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return AST_TEST_FAIL;
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}
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if (!(heap_str = ast_str_create(15))) {
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ast_test_status_update(test, "Failed to allocate an ast_str on the heap\n");
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}
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/* Stack string tests:
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* Part 1: Basic tests
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* a. set a small string
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* b. append a small string
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* c. clear a string
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* Part 2: Advanced tests
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* a. Set a string that is larger than our allocation
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* b. Append a string that is larger than our allocation
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*/
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/* Part 1a */
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if (ast_str_set(&stack_str, 0, "%s", short_string1) < 0) {
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ast_test_status_update(test, "Error setting stack string\n");
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res = AST_TEST_FAIL;
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goto cleanup;
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}
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if (strcmp(ast_str_buffer(stack_str), short_string1)) {
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ast_test_status_update(test, "ast_str_set failed for stack string. Expected '%s' but"
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"instead got %s\n", short_string1, ast_str_buffer(stack_str));
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res = AST_TEST_FAIL;
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goto cleanup;
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}
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/* Part 1b */
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if (ast_str_append(&stack_str, 0, "%s", short_string2) < 0) {
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ast_test_status_update(test, "Error appending to stack string\n");
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res = AST_TEST_FAIL;
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goto cleanup;
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}
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if (strcmp(ast_str_buffer(stack_str), short_string_cat)) {
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ast_test_status_update(test, "ast_str_set failed for stack string. Expected '%s'"
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"but instead got %s\n", short_string_cat, ast_str_buffer(stack_str));
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res = AST_TEST_FAIL;
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goto cleanup;
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}
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/* Part 1c */
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ast_str_reset(stack_str);
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if (ast_str_strlen(stack_str) != 0) {
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ast_test_status_update(test, "ast_str_reset resulted in non-zero length for stack_str\n");
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res = AST_TEST_FAIL;
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goto cleanup;
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}
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/* Part 2a */
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if (ast_str_set(&stack_str, -1, "%s", long_string1) < 0) {
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ast_test_status_update(test, "Error setting stack string with long input\n");
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res = AST_TEST_FAIL;
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goto cleanup;
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}
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if (strncmp(ast_str_buffer(stack_str), long_string1, ast_str_strlen(stack_str))) {
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ast_test_status_update(test, "Stack string not set to what is expected.\n");
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res = AST_TEST_FAIL;
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goto cleanup;
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}
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/* Part 2b */
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if (ast_str_append(&stack_str, -1, "%s", long_string2) < 0) {
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ast_test_status_update(test, "Error appending long string to full stack string buffer\n");
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res = AST_TEST_FAIL;
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goto cleanup;
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}
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if (strncmp(ast_str_buffer(stack_str), long_string_cat, ast_str_strlen(stack_str))) {
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ast_test_status_update(test, "Stack string not set to what is expected.\n");
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res = AST_TEST_FAIL;
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goto cleanup;
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}
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/* Heap string tests
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*
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* All stack string tests from part 1.
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* All stack string tests 2a and 2b.
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* Tests 2a and 2b from stack string tests, passing 0 as max_len
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* instead of -1. This allows for the buffer to grow.
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*/
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/* Part 1a */
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if (ast_str_set(&heap_str, 0, "%s", short_string1) < 0) {
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ast_test_status_update(test, "Error setting heap string\n");
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res = AST_TEST_FAIL;
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goto cleanup;
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}
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if (strcmp(ast_str_buffer(heap_str), short_string1)) {
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ast_test_status_update(test, "ast_str_set failed for heap string. Expected '%s' but"
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"instead got %s\n", short_string1, ast_str_buffer(heap_str));
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res = AST_TEST_FAIL;
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goto cleanup;
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}
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/* Part 1b */
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if (ast_str_append(&heap_str, 0, "%s", short_string2) < 0) {
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ast_test_status_update(test, "Error appending to heap string\n");
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res = AST_TEST_FAIL;
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goto cleanup;
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}
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if (strcmp(ast_str_buffer(heap_str), short_string_cat)) {
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ast_test_status_update(test, "ast_str_set failed for stack string. Expected '%s'"
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"but instead got %s\n", short_string_cat, ast_str_buffer(stack_str));
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res = AST_TEST_FAIL;
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goto cleanup;
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}
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/* Part 1c */
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ast_str_reset(heap_str);
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if (ast_str_strlen(heap_str) != 0) {
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ast_test_status_update(test, "ast_str_reset resulted in non-zero length for stack_str\n");
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res = AST_TEST_FAIL;
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goto cleanup;
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}
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/* Part 2a with -1 arg */
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current_size = ast_str_size(heap_str);
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if (ast_str_set(&heap_str, -1, "%s", long_string1) < 0) {
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ast_test_status_update(test, "Error setting heap string with long input\n");
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res = AST_TEST_FAIL;
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goto cleanup;
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}
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if (current_size != ast_str_size(heap_str)) {
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ast_test_status_update(test, "Heap string changed size during ast_str_set when it was"
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"instructed not to. Was %d and now is %d\n", current_size, (int) ast_str_size(heap_str));
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res = AST_TEST_FAIL;
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goto cleanup;
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}
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if (strncmp(ast_str_buffer(heap_str), long_string1, ast_str_strlen(heap_str))) {
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ast_test_status_update(test, "Heap string not set to what is expected.\n");
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res = AST_TEST_FAIL;
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goto cleanup;
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}
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/* Part 2b with -1 arg */
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current_size = ast_str_size(heap_str);
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if (ast_str_append(&heap_str, -1, "%s", long_string2) < 0) {
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ast_test_status_update(test, "Error appending long string to full heap string buffer\n");
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res = AST_TEST_FAIL;
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goto cleanup;
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}
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if (current_size != ast_str_size(heap_str)) {
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ast_test_status_update(test, "Heap string changed size during ast_str_append when it was"
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"instructed not to. Was %d and now is %d\n", current_size, (int) ast_str_size(heap_str));
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res = AST_TEST_FAIL;
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goto cleanup;
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}
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if (strncmp(ast_str_buffer(heap_str), long_string_cat, ast_str_strlen(heap_str))) {
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ast_test_status_update(test, "Heap string not set to what is expected.\n");
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res = AST_TEST_FAIL;
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goto cleanup;
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}
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/* reset string before continuing */
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ast_str_reset(heap_str);
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/* Part 2a with 0 arg */
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if (ast_str_set(&heap_str, 0, "%s", long_string1) < 0) {
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ast_test_status_update(test, "Error setting heap string with long input\n");
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res = AST_TEST_FAIL;
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goto cleanup;
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}
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if (strcmp(ast_str_buffer(heap_str), long_string1)) {
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ast_test_status_update(test, "Heap string does not contain what was expected. Expected %s"
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"but have %s instead\n", long_string1, ast_str_buffer(heap_str));
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res = AST_TEST_FAIL;
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goto cleanup;
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}
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/* Part 2b with 0 arg */
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if (ast_str_append(&heap_str, 0, "%s", long_string2) < 0) {
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ast_test_status_update(test, "Error setting heap string with long input\n");
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res = AST_TEST_FAIL;
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goto cleanup;
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}
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if (strcmp(ast_str_buffer(heap_str), long_string_cat)) {
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ast_test_status_update(test, "Heap string does not contain what was expected. Expected %s"
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"but have %s instead\n", long_string_cat, ast_str_buffer(heap_str));
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res = AST_TEST_FAIL;
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goto cleanup;
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}
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cleanup:
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ast_free(heap_str);
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return res;
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}
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static int unload_module(void)
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{
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AST_TEST_UNREGISTER(str_test);
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return 0;
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}
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static int load_module(void)
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{
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AST_TEST_REGISTER(str_test);
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return AST_MODULE_LOAD_SUCCESS;
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}
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AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Dynamic string test module");
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