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[test] Add self-tests for snprintf()

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown 2013-08-12 16:34:10 +01:00
parent 55201e2d0e
commit d105627928
2 changed files with 103 additions and 0 deletions
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1
src/tests/tests.c
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@ -28,6 +28,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
/* Drag in all applicable self-tests */
REQUIRE_OBJECT ( memcpy_test );
REQUIRE_OBJECT ( string_test );
REQUIRE_OBJECT ( vsprintf_test );
REQUIRE_OBJECT ( list_test );
REQUIRE_OBJECT ( byteswap_test );
REQUIRE_OBJECT ( base64_test );

102
src/tests/vsprintf_test.c Normal file
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@ -0,0 +1,102 @@
/*
* 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.
*/
FILE_LICENCE ( GPL2_OR_LATER );
/** @file
*
* vsprintf() self-tests
*
*/
/* Forcibly enable assertions */
#undef NDEBUG
#include <string.h>
#include <stdio.h>
#include <ipxe/test.h>
/**
* 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 )
/**
* Perform vsprintf() self-tests
*
*/
static void vsprintf_test_exec ( void ) {
/* Constant string */
snprintf_ok ( 16, "Testing", "Testing" );
/* Constant string, truncated to fit */
snprintf_ok ( 5, "Test", "Testing" );
/* 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 );
/* 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 );
}
/** vsprintf() self-test */
struct self_test vsprintf_test __self_test = {
.name = "vsprintf",
.exec = vsprintf_test_exec,
};