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[test] Add self-tests for snprintf()
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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/* | ||
* Copyright (C) 2012 Michael Brown <mbrown@fensystems.co.uk>. | ||
* | ||
* This program is free software; you can redistribute it and/or | ||
* modify it under the terms of the GNU General Public License as | ||
* published by the Free Software Foundation; either version 2 of the | ||
* License, or any later version. | ||
* | ||
* This program 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 | ||
* General Public License for more details. | ||
* | ||
* You should have received a copy of the GNU General Public License | ||
* along with this program; if not, write to the Free Software | ||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | ||
* 02110-1301, USA. | ||
*/ | ||
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FILE_LICENCE ( GPL2_OR_LATER ); | ||
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/** @file | ||
* | ||
* vsprintf() self-tests | ||
* | ||
*/ | ||
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/* Forcibly enable assertions */ | ||
#undef NDEBUG | ||
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#include <string.h> | ||
#include <stdio.h> | ||
#include <ipxe/test.h> | ||
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/** | ||
* Report an snprintf() test result | ||
* | ||
*/ | ||
#define snprintf_ok( len, result, format, ... ) do { \ | ||
char actual[ (len) ]; \ | ||
const char expected[] = result; \ | ||
size_t actual_len; \ | ||
\ | ||
actual_len = snprintf ( actual, sizeof ( actual ), \ | ||
format, ##__VA_ARGS__ ); \ | ||
ok ( actual_len >= strlen ( result ) ); \ | ||
ok ( strcmp ( actual, expected ) == 0 ); \ | ||
if ( strcmp ( actual, expected ) != 0 ) { \ | ||
DBG ( "SNPRINTF expected \"%s\", got \"%s\"\n", \ | ||
expected, actual ); \ | ||
} \ | ||
} while ( 0 ) | ||
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/** | ||
* Perform vsprintf() self-tests | ||
* | ||
*/ | ||
static void vsprintf_test_exec ( void ) { | ||
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/* Constant string */ | ||
snprintf_ok ( 16, "Testing", "Testing" ); | ||
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/* Constant string, truncated to fit */ | ||
snprintf_ok ( 5, "Test", "Testing" ); | ||
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/* Basic format specifiers */ | ||
snprintf_ok ( 16, "%", "%%" ); | ||
snprintf_ok ( 16, "ABC", "%c%c%c", 'A', 'B', 'C' ); | ||
snprintf_ok ( 16, "abc", "%lc%lc%lc", L'a', L'b', L'c' ); | ||
snprintf_ok ( 16, "Hello world", "%s %s", "Hello", "world" ); | ||
snprintf_ok ( 16, "Goodbye world", "%ls %s", L"Goodbye", "world" ); | ||
snprintf_ok ( 16, "0x1234abcd", "%p", ( ( void * ) 0x1234abcd ) ); | ||
snprintf_ok ( 16, "0xa723", "%#x", 0xa723 ); | ||
snprintf_ok ( 16, "a723", "%x", 0xa723 ); | ||
snprintf_ok ( 16, "0x0000a723", "%#08x", 0xa723 ); | ||
snprintf_ok ( 16, "00A723", "%06X", 0xa723 ); | ||
snprintf_ok ( 16, "9876abcd", "%lx", 0x9876abcdUL ); | ||
snprintf_ok ( 16, "1234 5678", "%04llx %04llx", 0x1234ULL, 0x5678ULL ); | ||
snprintf_ok ( 16, "123", "%d", 123 ); | ||
snprintf_ok ( 16, "456", "%i", 456 ); | ||
snprintf_ok ( 16, " 99", "%3d", 99 ); | ||
snprintf_ok ( 16, "099", "%03d", 99 ); | ||
snprintf_ok ( 16, "-72", "%d", -72 ); | ||
snprintf_ok ( 16, " -72", "%4d", -72 ); | ||
snprintf_ok ( 16, "-072", "%04d", -72 ); | ||
snprintf_ok ( 16, "4", "%zd", sizeof ( uint32_t ) ); | ||
snprintf_ok ( 16, "123456789", "%d", 123456789 ); | ||
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/* Realistic combinations */ | ||
snprintf_ok ( 64, "DBG 0x1234 thingy at 0x0003f0c0+0x5c\n", | ||
"DBG %p %s at %#08lx+%#zx\n", ( ( void * ) 0x1234 ), | ||
"thingy", 0x3f0c0UL, ( ( size_t ) 0x5c ) ); | ||
snprintf_ok ( 64, "PCI 00:1f.3", "PCI %02x:%02x.%x", 0x00, 0x1f, 0x03 ); | ||
snprintf_ok ( 64, "Region [1000000,3f000000)", "Region [%llx,%llx)", | ||
0x1000000ULL, 0x3f000000ULL ); | ||
} | ||
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/** vsprintf() self-test */ | ||
struct self_test vsprintf_test __self_test = { | ||
.name = "vsprintf", | ||
.exec = vsprintf_test_exec, | ||
}; |