mirror of https://github.com/ipxe/ipxe.git
[test] Add test cases for editable strings
Signed-off-by: Michael Brown <mcb30@ipxe.org>pull/1206/head
Michael Brown
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/*
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* Copyright (C) 2024 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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* Editable string 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 <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <ipxe/keys.h>
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#include <ipxe/editstring.h>
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#include <ipxe/test.h>
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/** An editable string test */
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struct editstring_test {
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/** Initial string, or NULL */
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const char *start;
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/** Key sequence */
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const int *keys;
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/** Length of key sequence */
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unsigned int count;
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/** Expected result */
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const char *expected;
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};
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/** Define an inline key sequence */
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#define KEYS(...) { __VA_ARGS__ }
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/** Define an editable string test */
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#define EDITSTRING_TEST( name, START, EXPECTED, KEYS ) \
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static const int name ## _keys[] = KEYS; \
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static struct editstring_test name = { \
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.start = START, \
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.keys = name ## _keys, \
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.count = ( sizeof ( name ## _keys ) / \
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sizeof ( name ## _keys[0] ) ), \
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.expected = EXPECTED, \
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};
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/* Simple typing */
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EDITSTRING_TEST ( simple, "", "hello world!",
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KEYS ( 'h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l',
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'd', '!' ) );
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/* Simple typing from a NULL starting value */
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EDITSTRING_TEST ( simple_null, NULL, "hi there",
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KEYS ( 'h', 'i', ' ', 't', 'h', 'e', 'r', 'e' ) );
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/* Insertion */
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EDITSTRING_TEST ( insert, "in middle", "in the middle",
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KEYS ( KEY_LEFT, KEY_LEFT, KEY_LEFT, KEY_LEFT, KEY_LEFT,
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KEY_LEFT, 't', 'h', 'e', ' ' ) );
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/* Backspace at end */
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EDITSTRING_TEST ( backspace_end, "byebye", "bye",
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KEYS ( KEY_BACKSPACE, KEY_BACKSPACE, KEY_BACKSPACE ) );
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/* Backspace of whole string */
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EDITSTRING_TEST ( backspace_all, "abc", "",
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KEYS ( KEY_BACKSPACE, KEY_BACKSPACE, KEY_BACKSPACE ) );
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/* Backspace of empty string */
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EDITSTRING_TEST ( backspace_empty, NULL, "", KEYS ( KEY_BACKSPACE ) );
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/* Backspace beyond start of string */
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EDITSTRING_TEST ( backspace_beyond, "too far", "",
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KEYS ( KEY_BACKSPACE, KEY_BACKSPACE, KEY_BACKSPACE,
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KEY_BACKSPACE, KEY_BACKSPACE, KEY_BACKSPACE,
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KEY_BACKSPACE, KEY_BACKSPACE, KEY_BACKSPACE ) );
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/* Deletion of character at cursor via DEL */
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EDITSTRING_TEST ( delete_dc, "go away", "goaway",
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KEYS ( KEY_HOME, KEY_RIGHT, KEY_RIGHT, KEY_DC ) );
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/* Deletion of character at cursor via Ctrl-D */
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EDITSTRING_TEST ( delete_ctrl_d, "not here", "nohere",
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KEYS ( KEY_LEFT, KEY_LEFT, KEY_LEFT, KEY_LEFT, KEY_LEFT,
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KEY_LEFT, CTRL_D, CTRL_D ) );
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/* Deletion of word at end of string */
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EDITSTRING_TEST ( word_end, "remove these two words", "remove these ",
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KEYS ( CTRL_W, CTRL_W ) );
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/* Deletion of word at start of string */
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EDITSTRING_TEST ( word_start, "no word", "word",
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KEYS ( CTRL_A, KEY_RIGHT, KEY_RIGHT, KEY_RIGHT, CTRL_W ) );
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/* Deletion of word mid-string */
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EDITSTRING_TEST ( word_mid, "delete this word", "delete word",
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KEYS ( KEY_LEFT, KEY_LEFT, KEY_LEFT, KEY_LEFT, CTRL_W ) );
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/* Deletion to start of line */
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EDITSTRING_TEST ( sol, "everything must go", "go",
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KEYS ( KEY_LEFT, KEY_LEFT, CTRL_U ) );
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/* Delete to end of line */
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EDITSTRING_TEST ( eol, "all is lost", "all",
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KEYS ( KEY_HOME, KEY_RIGHT, KEY_RIGHT, KEY_RIGHT, CTRL_K ) );
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/**
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* Report an editable string test result
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*
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* @v test Editable string 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 editstring_okx ( struct editstring_test *test, const char *file,
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unsigned int line ) {
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struct edit_string string;
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unsigned int i;
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char *actual;
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int key;
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/* Initialise editable string */
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memset ( &string, 0, sizeof ( string ) );
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actual = NULL;
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init_editstring ( &string, &actual );
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/* Set initial string content */
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okx ( replace_string ( &string, test->start ) == 0, file, line );
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okx ( actual != NULL, file, line );
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okx ( string.cursor == ( test->start ? strlen ( test->start ) : 0 ),
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file, line );
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DBGC ( test, "Initial string: \"%s\"\n", actual );
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/* Inject keypresses */
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for ( i = 0 ; i < test->count ; i++ ) {
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key = test->keys[i];
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okx ( edit_string ( &string, key ) == 0, file, line );
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okx ( actual != NULL, file, line );
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okx ( string.cursor <= strlen ( actual ), file, line );
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DBGC ( test, "After key %#02x (%c): \"%s\"\n",
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key, ( isprint ( key ) ? key : '.' ), actual );
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}
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/* Verify result string */
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okx ( strcmp ( actual, test->expected ) == 0, file, line );
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/* Free result string */
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free ( actual );
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}
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#define editstring_ok( test ) editstring_okx ( test, __FILE__, __LINE__ )
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/**
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* Perform editable string self-tests
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*
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*/
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static void editstring_test_exec ( void ) {
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editstring_ok ( &simple );
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editstring_ok ( &simple_null );
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editstring_ok ( &insert );
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editstring_ok ( &backspace_end );
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editstring_ok ( &backspace_all );
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editstring_ok ( &backspace_empty );
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editstring_ok ( &backspace_beyond );
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editstring_ok ( &delete_dc );
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editstring_ok ( &delete_ctrl_d );
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editstring_ok ( &word_end );
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editstring_ok ( &word_start );
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editstring_ok ( &word_mid );
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editstring_ok ( &sol );
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editstring_ok ( &eol );
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}
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/** Editable string self-test */
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struct self_test editstring_test __self_test = {
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.name = "editstring",
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.exec = editstring_test_exec,
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};
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@ -85,3 +85,4 @@ REQUIRE_OBJECT ( x25519_test );
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REQUIRE_OBJECT ( des_test );
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REQUIRE_OBJECT ( mschapv2_test );
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REQUIRE_OBJECT ( uuid_test );
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REQUIRE_OBJECT ( editstring_test );
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