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[test] Add self-tests for string functions
Signed-off-by: Michael Brown <mcb30@ipxe.org>
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mcb30 committed Nov 12, 2012
1 parent fd141fb commit 520323e
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133 changes: 133 additions & 0 deletions src/tests/string_test.c
@@ -0,0 +1,133 @@
/*
* 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 (at your option) 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
*
* String self-tests
*
* memcpy() tests are handled separately
*/

/* Forcibly enable assertions */
#undef NDEBUG

#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <ipxe/test.h>

/**
* Perform string self-tests
*
*/
static void string_test_exec ( void ) {

/* Test strlen() */
ok ( strlen ( "" ) == 0 );
ok ( strlen ( "Hello" ) == 5 );
ok ( strlen ( "Hello world!" ) == 12 );
ok ( strlen ( "Hello\0world!" ) == 5 );

/* Test strnlen() */
ok ( strnlen ( "", 0 ) == 0 );
ok ( strnlen ( "", 10 ) == 0 );
ok ( strnlen ( "Hello", 0 ) == 0 );
ok ( strnlen ( "Hello", 3 ) == 3 );
ok ( strnlen ( "Hello", 5 ) == 5 );
ok ( strnlen ( "Hello", 16 ) == 5 );
ok ( strnlen ( "Hello world!", 5 ) == 5 );
ok ( strnlen ( "Hello world!", 11 ) == 11 );
ok ( strnlen ( "Hello world!", 16 ) == 12 );

/* Test strchr() */
ok ( strchr ( "", 'a' ) == NULL );
ok ( *(strchr ( "Testing", 'e' )) == 'e' );
ok ( *(strchr ( "Testing", 'g' )) == 'g' );
ok ( strchr ( "Testing", 'x' ) == NULL );

/* Test strcmp() */
ok ( strcmp ( "", "" ) == 0 );
ok ( strcmp ( "Hello", "Hello" ) == 0 );
ok ( strcmp ( "Hello", "hello" ) != 0 );
ok ( strcmp ( "Hello", "Hello world!" ) != 0 );
ok ( strcmp ( "Hello world!", "Hello" ) != 0 );

/* Test strncmp() */
ok ( strncmp ( "", "", 0 ) == 0 );
ok ( strncmp ( "", "", 15 ) == 0 );
ok ( strncmp ( "Goodbye", "Goodbye", 16 ) == 0 );
ok ( strncmp ( "Goodbye", "Hello", 16 ) != 0 );
ok ( strncmp ( "Goodbye", "Goodbye world", 32 ) != 0 );
ok ( strncmp ( "Goodbye", "Goodbye world", 7 ) == 0 );

/* Test memcmp() */
ok ( memcmp ( "", "", 0 ) == 0 );
ok ( memcmp ( "Foo", "Foo", 3 ) == 0 );
ok ( memcmp ( "Foo", "Bar", 3 ) != 0 );

/* Test memset() */
{
static uint8_t test[7] = { '>', 1, 1, 1, 1, 1, '<' };
static const uint8_t expected[7] = { '>', 0, 0, 0, 0, 0, '<' };
memset ( ( test + 1 ), 0, ( sizeof ( test ) - 2 ) );
ok ( memcmp ( test, expected, sizeof ( test ) ) == 0 );
}
{
static uint8_t test[4] = { '>', 0, 0, '<' };
static const uint8_t expected[4] = { '>', 0xeb, 0xeb, '<' };
memset ( ( test + 1 ), 0xeb, ( sizeof ( test ) - 2 ) );
ok ( memcmp ( test, expected, sizeof ( test ) ) == 0 );
}

/* Test memmove() */
{
static uint8_t test[11] =
{ '>', 1, 2, 3, 4, 5, 6, 7, 8, 9, '<' };
static const uint8_t expected[11] =
{ '>', 3, 4, 5, 6, 7, 8, 7, 8, 9, '<' };
memmove ( ( test + 1 ), ( test + 3 ), 6 );
ok ( memcmp ( test, expected, sizeof ( test ) ) == 0 );
}
{
static uint8_t test[12] =
{ '>', 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, '<' };
static const uint8_t expected[12] =
{ '>', 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, '<' };
memmove ( ( test + 6 ), ( test + 1 ), 5 );
ok ( memcmp ( test, expected, sizeof ( test ) ) == 0 );
}

/* Test memswap() */
{
static uint8_t test[8] =
{ '>', 1, 2, 3, 7, 8, 9, '<' };
static const uint8_t expected[8] =
{ '>', 7, 8, 9, 1, 2, 3, '<' };
memswap ( ( test + 1 ), ( test + 4 ), 3 );
ok ( memcmp ( test, expected, sizeof ( test ) ) == 0 );
}
}

/** String self-test */
struct self_test string_test __self_test = {
.name = "string",
.exec = string_test_exec,
};
1 change: 1 addition & 0 deletions src/tests/tests.c
Expand Up @@ -27,6 +27,7 @@ FILE_LICENCE ( GPL2_OR_LATER );

/* Drag in all applicable self-tests */
REQUIRE_OBJECT ( memcpy_test );
REQUIRE_OBJECT ( string_test );
REQUIRE_OBJECT ( list_test );
REQUIRE_OBJECT ( byteswap_test );
REQUIRE_OBJECT ( base64_test );
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