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qemu/tests/unit/test-base64.c

109 lines
3.2 KiB
C

/*
* QEMU base64 helper test
*
* Copyright (c) 2015 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
*/
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "qemu/base64.h"
static void test_base64_good(void)
{
const char input[] =
"QmVjYXVzZSB3ZSBmb2N1c2VkIG9uIHRoZSBzbmFrZSwgd2UgbW\n"
"lzc2VkIHRoZSBzY29ycGlvbi4=";
const char expect[] = "Because we focused on the snake, "
"we missed the scorpion.";
size_t len;
uint8_t *actual = qbase64_decode(input,
-1,
&len,
&error_abort);
g_assert(actual != NULL);
g_assert_cmpint(len, ==, strlen(expect));
g_assert_cmpstr((char *)actual, ==, expect);
g_free(actual);
}
static void test_base64_bad(const char *input,
size_t input_len)
{
size_t len;
Error *err = NULL;
uint8_t *actual = qbase64_decode(input,
input_len,
&len,
&err);
error_free_or_abort(&err);
g_assert(actual == NULL);
g_assert_cmpint(len, ==, 0);
}
static void test_base64_embedded_nul(void)
{
/* We put a NUL character in the middle of the base64
* text which is invalid data, given the expected length */
const char input[] =
"QmVjYXVzZSB3ZSBmb2N1c2VkIG9uIHRoZSBzbmFrZSwgd2UgbW\0"
"lzc2VkIHRoZSBzY29ycGlvbi4=";
test_base64_bad(input, G_N_ELEMENTS(input) - 1);
}
static void test_base64_not_nul_terminated(void)
{
const char input[] =
"QmVjYXVzZSB3ZSBmb2N1c2VkIG9uIHRoZSBzbmFrZSwgd2UgbW\n"
"lzc2VkIHRoZSBzY29ycGlvbi4=";
/* Using '-2' to make us drop the trailing NUL, thus
* creating an invalid base64 sequence for decoding */
test_base64_bad(input, G_N_ELEMENTS(input) - 2);
}
static void test_base64_invalid_chars(void)
{
/* We put a single quote character in the middle
* of the base64 text which is invalid data */
const char input[] =
"QmVjYXVzZSB3ZSBmb2N1c2VkIG9uIHRoZSBzbmFrZSwgd2UgbW'"
"lzc2VkIHRoZSBzY29ycGlvbi4=";
test_base64_bad(input, strlen(input));
}
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
g_test_add_func("/util/base64/good", test_base64_good);
g_test_add_func("/util/base64/embedded-nul", test_base64_embedded_nul);
g_test_add_func("/util/base64/not-nul-terminated",
test_base64_not_nul_terminated);
g_test_add_func("/util/base64/invalid-chars", test_base64_invalid_chars);
return g_test_run();
}