321 lines
8.6 KiB
C
321 lines
8.6 KiB
C
/*
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* Copyright (C) 2015 Michael Brown <mbrown@fensystems.co.uk>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*
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* You can also choose to distribute this program under the terms of
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* the Unmodified Binary Distribution Licence (as given in the file
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* COPYING.UBDL), provided that you have satisfied its requirements.
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*/
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FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
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/** @file
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*
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* Line buffer self-tests
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*
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*/
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/* Forcibly enable assertions */
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#undef NDEBUG
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#include <string.h>
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#include <assert.h>
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#include <ipxe/linebuf.h>
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#include <ipxe/test.h>
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/** Define inline raw data */
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#define DATA(...) { __VA_ARGS__ }
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/** Define inline lines */
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#define LINES(...) { __VA_ARGS__ }
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/** A line buffer test */
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struct linebuf_test {
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/** Raw data */
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const void *data;
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/** Length of raw data */
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size_t len;
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/** Expected sequence of lines */
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const char **lines;
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/** Number of expected lines */
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unsigned int count;
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};
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/** Line buffer test expected failure indicator */
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static const char linebuf_failure[1];
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/**
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* Define a line buffer test
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*
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* @v name Test name
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* @v DATA Raw data
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* @v LINES Expected sequence of lines
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* @ret test Line buffer test
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*/
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#define LINEBUF_TEST( name, DATA, LINES ) \
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static const char name ## _data[] = DATA; \
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static const char * name ## _lines[] = LINES; \
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static struct linebuf_test name = { \
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.data = name ## _data, \
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.len = ( sizeof ( name ## _data ) - 1 /* NUL */ ), \
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.lines = name ## _lines, \
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.count = ( sizeof ( name ## _lines ) / \
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sizeof ( name ## _lines[0] ) ), \
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}
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/** Simple line buffer test */
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LINEBUF_TEST ( simple,
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( "HTTP/1.1 200 OK\r\n"
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"Content-Length: 123\r\n"
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"Content-Type: text/plain\r\n"
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"\r\n" ),
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LINES ( "HTTP/1.1 200 OK",
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"Content-Length: 123",
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"Content-Type: text/plain",
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"" ) );
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/** Mixed line terminators */
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LINEBUF_TEST ( mixed,
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( "LF only\n" "CRLF\r\n" "\n" "\n" "\r\n" "\r\n" "CR only\r" ),
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LINES ( "LF only", "CRLF", "", "", "", "",
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NULL /* \r should not be treated as a terminator */ ) );
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/** Split consumption: part 1 */
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LINEBUF_TEST ( split_1,
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( "This line was" ),
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LINES ( NULL ) );
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/** Split consumption: part 2 */
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LINEBUF_TEST ( split_2,
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( " split across" ),
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LINES ( NULL ) );
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/** Split consumption: part 3 */
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LINEBUF_TEST ( split_3,
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( " multiple calls\r\nand so was this one\r" ),
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LINES ( "This line was split across multiple calls", NULL ) );
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/** Split consumption: part 4 */
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LINEBUF_TEST ( split_4,
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( "\nbut not this one\r\n" ),
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LINES ( "and so was this one", "but not this one" ) );
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/** Split consumption: part 5 */
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LINEBUF_TEST ( split_5,
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( "" ),
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LINES ( NULL ) );
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/** Split consumption: part 6 */
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LINEBUF_TEST ( split_6,
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( "This line came after a zero-length call\r\n" ),
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LINES ( "This line came after a zero-length call" ) );
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/** Embedded NULs */
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LINEBUF_TEST ( embedded_nuls,
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( "This\r\ntest\r\nincludes\r\n\r\nsome\0binary\0data\r\n" ),
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LINES ( "This", "test", "includes", "", linebuf_failure ) );
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/**
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* Report line buffer initialisation test result
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*
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* @v linebuf Line buffer
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* @v file Test code file
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* @v line Test code line
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*/
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static void linebuf_init_okx ( struct line_buffer *linebuf,
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const char *file, unsigned int line ) {
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/* Initialise line buffer */
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memset ( linebuf, 0, sizeof ( *linebuf ) );
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okx ( buffered_line ( linebuf ) == NULL, file, line );
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}
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#define linebuf_init_ok( linebuf ) \
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linebuf_init_okx ( linebuf, __FILE__, __LINE__ )
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/**
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* Report line buffer consumption test result
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*
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* @v test Line buffer test
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* @v linebuf Line buffer
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* @v file Test code file
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* @v line Test code line
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*/
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static void linebuf_consume_okx ( struct linebuf_test *test,
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struct line_buffer *linebuf,
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const char *file, unsigned int line ) {
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const char *data = test->data;
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size_t remaining = test->len;
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int len;
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unsigned int i;
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const char *expected;
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char *actual;
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int rc;
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DBGC ( test, "LINEBUF %p:\n", test );
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DBGC_HDA ( test, 0, data, remaining );
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/* Consume data one line at a time */
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for ( i = 0 ; i < test->count ; i++ ) {
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/* Add data to line buffer */
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len = line_buffer ( linebuf, data, remaining );
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/* Get buffered line, if any */
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actual = buffered_line ( linebuf );
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if ( len < 0 ) {
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rc = len;
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DBGC ( test, "LINEBUF %p %s\n", test, strerror ( rc ) );
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} else if ( actual != NULL ) {
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DBGC ( test, "LINEBUF %p \"%s\" (consumed %d)\n",
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test, actual, len );
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} else {
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DBGC ( test, "LINEBUF %p unterminated (consumed %d)\n",
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test, len );
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}
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/* Check for success/failure */
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expected = test->lines[i];
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if ( expected == linebuf_failure ) {
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rc = len;
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okx ( rc < 0, file, line );
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okx ( remaining > 0, file, line );
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return;
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}
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okx ( len >= 0, file, line );
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okx ( ( ( size_t ) len ) <= remaining, file, line );
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/* Check expected result */
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if ( expected == NULL ) {
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okx ( actual == NULL, file, line );
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} else {
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okx ( actual != NULL, file, line );
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okx ( strcmp ( actual, expected ) == 0, file, line );
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}
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/* Consume data */
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data += len;
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remaining -= len;
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}
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/* Check that all data was consumed */
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okx ( remaining == 0, file, line );
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}
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#define linebuf_consume_ok( test, linebuf ) \
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linebuf_consume_okx ( test, linebuf, __FILE__, __LINE__ )
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/**
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* Report line buffer accumulation test result
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*
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* @v test Line buffer test
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* @v linebuf Line buffer
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* @v file Test code file
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* @v line Test code line
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*/
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static void linebuf_accumulated_okx ( struct linebuf_test *test,
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struct line_buffer *linebuf,
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const char *file, unsigned int line ) {
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const char *actual;
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const char *expected;
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unsigned int i;
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/* Check each accumulated line */
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actual = linebuf->data;
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for ( i = 0 ; i < test->count ; i++ ) {
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/* Check accumulated line */
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okx ( actual != NULL, file, line );
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okx ( actual >= linebuf->data, file, line );
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expected = test->lines[i];
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if ( ( expected == NULL ) || ( expected == linebuf_failure ) )
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return;
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okx ( strcmp ( actual, expected ) == 0, file, line );
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/* Move to next line */
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actual += ( strlen ( actual ) + 1 /* NUL */ );
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okx ( actual <= ( linebuf->data + linebuf->len ), file, line );
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}
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}
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#define linebuf_accumulated_ok( test, linebuf ) \
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linebuf_accumulated_okx ( test, linebuf, __FILE__, __LINE__ )
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/**
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* Report line buffer emptying test result
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*
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* @v linebuf Line buffer
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* @v file Test code file
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* @v line Test code line
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*/
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static void linebuf_empty_okx ( struct line_buffer *linebuf,
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const char *file, unsigned int line ) {
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/* Empty line buffer */
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empty_line_buffer ( linebuf );
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okx ( buffered_line ( linebuf ) == NULL, file, line );
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}
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#define linebuf_empty_ok( linebuf ) \
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linebuf_empty_okx ( linebuf, __FILE__, __LINE__ )
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/**
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* Report line buffer combined test result
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*
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* @v test Line buffer test
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* @v file Test code file
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* @v line Test code line
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*/
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static void linebuf_okx ( struct linebuf_test *test, const char *file,
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unsigned int line ) {
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struct line_buffer linebuf;
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linebuf_init_okx ( &linebuf, file, line );
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linebuf_consume_okx ( test, &linebuf, file, line );
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linebuf_accumulated_okx ( test, &linebuf, file, line );
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linebuf_empty_okx ( &linebuf, file, line );
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}
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#define linebuf_ok( test ) \
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linebuf_okx ( test, __FILE__, __LINE__ )
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/**
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* Perform line buffer self-tests
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*
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*/
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static void linebuf_test_exec ( void ) {
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struct line_buffer linebuf;
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/* Basic tests */
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linebuf_ok ( &simple );
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linebuf_ok ( &mixed );
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/* Split consumption test */
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linebuf_init_ok ( &linebuf );
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linebuf_consume_ok ( &split_1, &linebuf );
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linebuf_consume_ok ( &split_2, &linebuf );
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linebuf_consume_ok ( &split_3, &linebuf );
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linebuf_consume_ok ( &split_4, &linebuf );
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linebuf_consume_ok ( &split_5, &linebuf );
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linebuf_consume_ok ( &split_6, &linebuf );
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linebuf_empty_ok ( &linebuf );
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/* Embedded NULs */
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linebuf_ok ( &embedded_nuls );
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}
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/** Line buffer self-test */
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struct self_test linebuf_test __self_test = {
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.name = "linebuf",
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.exec = linebuf_test_exec,
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};
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