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lib: Add tests for simple_itoa()
Add test and a comment for this function. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Artem Lapkin <email2tema@gmail.com>
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2 changed files with 29 additions and 1 deletions
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@ -172,7 +172,18 @@ int sprintf(char *buf, const char *fmt, ...)
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* See the vsprintf() documentation for format string extensions over C99.
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*/
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int vsprintf(char *buf, const char *fmt, va_list args);
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char *simple_itoa(ulong i);
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/**
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* simple_itoa() - convert an unsigned integer to a string
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*
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* This returns a static string containing the decimal representation of the
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* given value. The returned value may be overwritten by other calls to the
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* same function, so should be used immediately
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*
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* @val: Value to convert
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* @return string containing the decimal representation of @val
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*/
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char *simple_itoa(ulong val);
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/**
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* Format a string and place it in a buffer
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@ -10,6 +10,7 @@
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#include <log.h>
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#include <mapmem.h>
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#include <version_string.h>
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#include <vsprintf.h>
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#include <test/suites.h>
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#include <test/test.h>
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#include <test/ut.h>
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@ -328,6 +329,22 @@ static int print_do_hex_dump(struct unit_test_state *uts)
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}
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PRINT_TEST(print_do_hex_dump, UT_TESTF_CONSOLE_REC);
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static int print_itoa(struct unit_test_state *uts)
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{
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ut_asserteq_str("123", simple_itoa(123));
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ut_asserteq_str("0", simple_itoa(0));
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ut_asserteq_str("2147483647", simple_itoa(0x7fffffff));
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ut_asserteq_str("4294967295", simple_itoa(0xffffffff));
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if (sizeof(ulong) == 8) {
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ut_asserteq_str("9223372036854775807",
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simple_itoa((1UL << 63) - 1));
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ut_asserteq_str("18446744073709551615", simple_itoa(-1));
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}
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return 0;
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}
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PRINT_TEST(print_itoa, 0);
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int do_ut_print(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
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{
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struct unit_test *tests = UNIT_TEST_SUITE_START(print_test);
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