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lib: Add tests for simple_itoa()

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Add test and a comment for this function.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Artem Lapkin <email2tema@gmail.com>
This commit is contained in:
Simon Glass 2021-10-14 12:48:06 -06:00 committed by Tom Rini
parent 74b7a2b881
commit 3bfb0f719a
2 changed files with 29 additions and 1 deletions
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13
include/vsprintf.h
View File

@ -172,7 +172,18 @@ int sprintf(char *buf, const char *fmt, ...)
* See the vsprintf() documentation for format string extensions over C99.
*/
int vsprintf(char *buf, const char *fmt, va_list args);
char *simple_itoa(ulong i);
/**
* simple_itoa() - convert an unsigned integer to a string
*
* This returns a static string containing the decimal representation of the
* given value. The returned value may be overwritten by other calls to the
* same function, so should be used immediately
*
* @val: Value to convert
* @return string containing the decimal representation of @val
*/
char *simple_itoa(ulong val);
/**
* Format a string and place it in a buffer

17
test/print_ut.c
View File

@ -10,6 +10,7 @@
#include <log.h>
#include <mapmem.h>
#include <version_string.h>
#include <vsprintf.h>
#include <test/suites.h>
#include <test/test.h>
#include <test/ut.h>
@ -328,6 +329,22 @@ static int print_do_hex_dump(struct unit_test_state *uts)
}
PRINT_TEST(print_do_hex_dump, UT_TESTF_CONSOLE_REC);
static int print_itoa(struct unit_test_state *uts)
{
ut_asserteq_str("123", simple_itoa(123));
ut_asserteq_str("0", simple_itoa(0));
ut_asserteq_str("2147483647", simple_itoa(0x7fffffff));
ut_asserteq_str("4294967295", simple_itoa(0xffffffff));
if (sizeof(ulong) == 8) {
ut_asserteq_str("9223372036854775807",
simple_itoa((1UL << 63) - 1));
ut_asserteq_str("18446744073709551615", simple_itoa(-1));
}
return 0;
}
PRINT_TEST(print_itoa, 0);
int do_ut_print(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
struct unit_test *tests = UNIT_TEST_SUITE_START(print_test);