test/command_ut.c

   1 /*
   2  * Copyright (c) 2012, The Chromium Authors
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #define DEBUG
   8
   9 #include <common.h>
  10
  11 static const char test_cmd[] = "setenv list 1\n setenv list ${list}2; "
  12                 "setenv list ${list}3\0"
  13                 "setenv list ${list}4";
  14
  15 static int do_ut_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
  16 {
  17         printf("%s: Testing commands\n", __func__);
  18         run_command("env default -f -a", 0);
  19
  20         /* run a single command */
  21         run_command("setenv single 1", 0);
  22         assert(!strcmp("1", getenv("single")));
  23
  24         /* make sure that compound statements work */
  25 #ifdef CONFIG_SYS_HUSH_PARSER
  26         run_command("if test -n ${single} ; then setenv check 1; fi", 0);
  27         assert(!strcmp("1", getenv("check")));
  28         run_command("setenv check", 0);
  29 #endif
  30
  31         /* commands separated by ; */
  32         run_command_list("setenv list 1; setenv list ${list}1", -1, 0);
  33         assert(!strcmp("11", getenv("list")));
  34
  35         /* commands separated by \n */
  36         run_command_list("setenv list 1\n setenv list ${list}1", -1, 0);
  37         assert(!strcmp("11", getenv("list")));
  38
  39         /* command followed by \n and nothing else */
  40         run_command_list("setenv list 1${list}\n", -1, 0);
  41         assert(!strcmp("111", getenv("list")));
  42
  43         /* three commands in a row */
  44         run_command_list("setenv list 1\n setenv list ${list}2; "
  45                 "setenv list ${list}3", -1, 0);
  46         assert(!strcmp("123", getenv("list")));
  47
  48         /* a command string with \0 in it. Stuff after \0 should be ignored */
  49         run_command("setenv list", 0);
  50         run_command_list(test_cmd, sizeof(test_cmd), 0);
  51         assert(!strcmp("123", getenv("list")));
  52
  53         /*
  54          * a command list where we limit execution to only the first command
  55          * using the length parameter.
  56          */
  57         run_command_list("setenv list 1\n setenv list ${list}2; "
  58                 "setenv list ${list}3", strlen("setenv list 1"), 0);
  59         assert(!strcmp("1", getenv("list")));
  60
  61 #ifdef CONFIG_SYS_HUSH_PARSER
  62         /* Test the 'test' command */
  63
  64 #define HUSH_TEST(name, expr, expected_result) \
  65         run_command("if test " expr " ; then " \
  66                         "setenv " #name "_" #expected_result " y; else " \
  67                         "setenv " #name "_" #expected_result " n; fi", 0); \
  68         assert(!strcmp(#expected_result, getenv(#name "_" #expected_result)));
  69
  70         /* Basic operators */
  71         HUSH_TEST(streq, "aaa = aaa", y);
  72         HUSH_TEST(streq, "aaa = bbb", n);
  73
  74         HUSH_TEST(strneq, "aaa != bbb", y);
  75         HUSH_TEST(strneq, "aaa != aaa", n);
  76
  77         HUSH_TEST(strlt, "aaa < bbb", y);
  78         HUSH_TEST(strlt, "bbb < aaa", n);
  79
  80         HUSH_TEST(strgt, "bbb > aaa", y);
  81         HUSH_TEST(strgt, "aaa > bbb", n);
  82
  83         HUSH_TEST(eq, "123 -eq 123", y);
  84         HUSH_TEST(eq, "123 -eq 456", n);
  85
  86         HUSH_TEST(ne, "123 -ne 456", y);
  87         HUSH_TEST(ne, "123 -ne 123", n);
  88
  89         HUSH_TEST(lt, "123 -lt 456", y);
  90         HUSH_TEST(lt_eq, "123 -lt 123", n);
  91         HUSH_TEST(lt, "456 -lt 123", n);
  92
  93         HUSH_TEST(le, "123 -le 456", y);
  94         HUSH_TEST(le_eq, "123 -le 123", y);
  95         HUSH_TEST(le, "456 -le 123", n);
  96
  97         HUSH_TEST(gt, "456 -gt 123", y);
  98         HUSH_TEST(gt_eq, "123 -gt 123", n);
  99         HUSH_TEST(gt, "123 -gt 456", n);
 100
 101         HUSH_TEST(ge, "456 -ge 123", y);
 102         HUSH_TEST(ge_eq, "123 -ge 123", y);
 103         HUSH_TEST(ge, "123 -ge 456", n);
 104
 105         HUSH_TEST(z, "-z \"\"", y);
 106         HUSH_TEST(z, "-z \"aaa\"", n);
 107
 108         HUSH_TEST(n, "-n \"aaa\"", y);
 109         HUSH_TEST(n, "-n \"\"", n);
 110
 111         /* Inversion of simple tests */
 112         HUSH_TEST(streq_inv, "! aaa = aaa", n);
 113         HUSH_TEST(streq_inv, "! aaa = bbb", y);
 114
 115         HUSH_TEST(streq_inv_inv, "! ! aaa = aaa", y);
 116         HUSH_TEST(streq_inv_inv, "! ! aaa = bbb", n);
 117
 118         /* Binary operators */
 119         HUSH_TEST(or_0_0, "aaa != aaa -o bbb != bbb", n);
 120         HUSH_TEST(or_0_1, "aaa != aaa -o bbb = bbb", y);
 121         HUSH_TEST(or_1_0, "aaa = aaa -o bbb != bbb", y);
 122         HUSH_TEST(or_1_1, "aaa = aaa -o bbb = bbb", y);
 123
 124         HUSH_TEST(and_0_0, "aaa != aaa -a bbb != bbb", n);
 125         HUSH_TEST(and_0_1, "aaa != aaa -a bbb = bbb", n);
 126         HUSH_TEST(and_1_0, "aaa = aaa -a bbb != bbb", n);
 127         HUSH_TEST(and_1_1, "aaa = aaa -a bbb = bbb", y);
 128
 129         /* Inversion within binary operators */
 130         HUSH_TEST(or_0_0_inv, "! aaa != aaa -o ! bbb != bbb", y);
 131         HUSH_TEST(or_0_1_inv, "! aaa != aaa -o ! bbb = bbb", y);
 132         HUSH_TEST(or_1_0_inv, "! aaa = aaa -o ! bbb != bbb", y);
 133         HUSH_TEST(or_1_1_inv, "! aaa = aaa -o ! bbb = bbb", n);
 134
 135         HUSH_TEST(or_0_0_inv_inv, "! ! aaa != aaa -o ! ! bbb != bbb", n);
 136         HUSH_TEST(or_0_1_inv_inv, "! ! aaa != aaa -o ! ! bbb = bbb", y);
 137         HUSH_TEST(or_1_0_inv_inv, "! ! aaa = aaa -o ! ! bbb != bbb", y);
 138         HUSH_TEST(or_1_1_inv_inv, "! ! aaa = aaa -o ! ! bbb = bbb", y);
 139
 140 #ifdef CONFIG_SANDBOX
 141         /*
 142          * File existence
 143          * This assume U-Boot sandbox is run from the U-Boot build directory
 144          */
 145         HUSH_TEST(e, "-e host - u-boot", y);
 146         HUSH_TEST(e, "-e host - creating_this_file_breaks_uboot_unit_test", n);
 147 #endif
 148 #endif
 149
 150         printf("%s: Everything went swimmingly\n", __func__);
 151         return 0;
 152 }
 153
 154 U_BOOT_CMD(
 155         ut_cmd, 5,      1,      do_ut_cmd,
 156         "Very basic test of command parsers",
 157         ""
 158 );