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https://github.com/lwip-tcpip/lwip.git
synced 2024-12-26 21:14:09 +00:00
82 lines
1.9 KiB
C
82 lines
1.9 KiB
C
#include "test_def.h"
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#include "lwip/def.h"
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#define MAGIC_UNTOUCHED_BYTE 0xfa
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#define TEST_BUFSIZE 32
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#define GUARD_SIZE 4
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/* Setups/teardown functions */
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static void
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def_setup(void)
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{
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}
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static void
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def_teardown(void)
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{
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}
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static void
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def_check_range_untouched(const char *buf, size_t len)
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{
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size_t i;
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for (i = 0; i < len; i++) {
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fail_unless(buf[i] == (char)MAGIC_UNTOUCHED_BYTE);
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}
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}
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static void test_def_itoa(int number, const char *expected)
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{
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char buf[TEST_BUFSIZE];
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char *test_buf = &buf[GUARD_SIZE];
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size_t exp_len = strlen(expected);
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fail_unless(exp_len + 1 < (TEST_BUFSIZE - (2 * GUARD_SIZE)));
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memset(buf, MAGIC_UNTOUCHED_BYTE, sizeof(buf));
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lwip_itoa(test_buf, exp_len + 1, number);
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def_check_range_untouched(buf, GUARD_SIZE);
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fail_unless(test_buf[exp_len] == 0);
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fail_unless(!memcmp(test_buf, expected, exp_len));
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def_check_range_untouched(&test_buf[exp_len + 1], TEST_BUFSIZE - GUARD_SIZE - exp_len - 1);
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/* check with too small buffer */
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memset(buf, MAGIC_UNTOUCHED_BYTE, sizeof(buf));
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lwip_itoa(test_buf, exp_len, number);
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/* check with too large buffer */
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memset(buf, MAGIC_UNTOUCHED_BYTE, sizeof(buf));
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lwip_itoa(test_buf, exp_len + 4, number);
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def_check_range_untouched(buf, GUARD_SIZE);
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fail_unless(test_buf[exp_len] == 0);
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fail_unless(!memcmp(test_buf, expected, exp_len));
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def_check_range_untouched(&test_buf[exp_len + 4], TEST_BUFSIZE - GUARD_SIZE - exp_len - 4);
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}
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START_TEST(test_def_lwip_itoa)
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{
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LWIP_UNUSED_ARG(_i);
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test_def_itoa(0, "0");
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test_def_itoa(1, "1");
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test_def_itoa(-1, "-1");
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test_def_itoa(15, "15");
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test_def_itoa(-15, "-15");
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test_def_itoa(156, "156");
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test_def_itoa(-156, "-156");
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}
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END_TEST
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/** Create the suite including all tests for this module */
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Suite *
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def_suite(void)
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{
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testfunc tests[] = {
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TESTFUNC(test_def_lwip_itoa)
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};
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return create_suite("DEF", tests, sizeof(tests)/sizeof(testfunc), def_setup, def_teardown);
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}
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