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  • /*
     * Copyright (c) 2012, The Chromium Authors
     *
     * See file CREDITS for list of people who contributed to this
     * project.
     *
     * 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., 59 Temple Place, Suite 330, Boston,
     * MA 02111-1307 USA
     */
    
    #define DEBUG
    
    #include <common.h>
    
    static const char test_cmd[] = "setenv list 1\n setenv list ${list}2; "
    		"setenv list ${list}3\0"
    		"setenv list ${list}4";
    
    static int do_ut_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
    {
    	printf("%s: Testing commands\n", __func__);
    	run_command("env default -f", 0);
    
    	/* run a single command */
    	run_command("setenv single 1", 0);
    	assert(!strcmp("1", getenv("single")));
    
    	/* make sure that compound statements work */
    #ifdef CONFIG_SYS_HUSH_PARSER
    	run_command("if test -n ${single} ; then setenv check 1; fi", 0);
    	assert(!strcmp("1", getenv("check")));
    	run_command("setenv check", 0);
    #endif
    
    	/* commands separated by ; */
    	run_command_list("setenv list 1; setenv list ${list}1", -1, 0);
    	assert(!strcmp("11", getenv("list")));
    
    	/* commands separated by \n */
    	run_command_list("setenv list 1\n setenv list ${list}1", -1, 0);
    	assert(!strcmp("11", getenv("list")));
    
    	/* command followed by \n and nothing else */
    	run_command_list("setenv list 1${list}\n", -1, 0);
    	assert(!strcmp("111", getenv("list")));
    
    	/* three commands in a row */
    	run_command_list("setenv list 1\n setenv list ${list}2; "
    		"setenv list ${list}3", -1, 0);
    	assert(!strcmp("123", getenv("list")));
    
    	/* a command string with \0 in it. Stuff after \0 should be ignored */
    	run_command("setenv list", 0);
    	run_command_list(test_cmd, sizeof(test_cmd), 0);
    	assert(!strcmp("123", getenv("list")));
    
    	/*
    	 * a command list where we limit execution to only the first command
    	 * using the length parameter.
    	 */
    	run_command_list("setenv list 1\n setenv list ${list}2; "
    		"setenv list ${list}3", strlen("setenv list 1"), 0);
    	assert(!strcmp("1", getenv("list")));
    
    	printf("%s: Everything went swimmingly\n", __func__);
    	return 0;
    }
    
    U_BOOT_CMD(
    	ut_cmd,	5,	1,	do_ut_cmd,
    	"Very basic test of command parsers",
    	""
    );