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 setenv(#name "_" #expected_result, NULL); 70 71 /* Basic operators */ 72 HUSH_TEST(streq, "aaa = aaa", y); 73 HUSH_TEST(streq, "aaa = bbb", n); 74 75 HUSH_TEST(strneq, "aaa != bbb", y); 76 HUSH_TEST(strneq, "aaa != aaa", n); 77 78 HUSH_TEST(strlt, "aaa < bbb", y); 79 HUSH_TEST(strlt, "bbb < aaa", n); 80 81 HUSH_TEST(strgt, "bbb > aaa", y); 82 HUSH_TEST(strgt, "aaa > bbb", n); 83 84 HUSH_TEST(eq, "123 -eq 123", y); 85 HUSH_TEST(eq, "123 -eq 456", n); 86 87 HUSH_TEST(ne, "123 -ne 456", y); 88 HUSH_TEST(ne, "123 -ne 123", n); 89 90 HUSH_TEST(lt, "123 -lt 456", y); 91 HUSH_TEST(lt_eq, "123 -lt 123", n); 92 HUSH_TEST(lt, "456 -lt 123", n); 93 94 HUSH_TEST(le, "123 -le 456", y); 95 HUSH_TEST(le_eq, "123 -le 123", y); 96 HUSH_TEST(le, "456 -le 123", n); 97 98 HUSH_TEST(gt, "456 -gt 123", y); 99 HUSH_TEST(gt_eq, "123 -gt 123", n); 100 HUSH_TEST(gt, "123 -gt 456", n); 101 102 HUSH_TEST(ge, "456 -ge 123", y); 103 HUSH_TEST(ge_eq, "123 -ge 123", y); 104 HUSH_TEST(ge, "123 -ge 456", n); 105 106 HUSH_TEST(z, "-z \"\"", y); 107 HUSH_TEST(z, "-z \"aaa\"", n); 108 109 HUSH_TEST(n, "-n \"aaa\"", y); 110 HUSH_TEST(n, "-n \"\"", n); 111 112 /* Inversion of simple tests */ 113 HUSH_TEST(streq_inv, "! aaa = aaa", n); 114 HUSH_TEST(streq_inv, "! aaa = bbb", y); 115 116 HUSH_TEST(streq_inv_inv, "! ! aaa = aaa", y); 117 HUSH_TEST(streq_inv_inv, "! ! aaa = bbb", n); 118 119 /* Binary operators */ 120 HUSH_TEST(or_0_0, "aaa != aaa -o bbb != bbb", n); 121 HUSH_TEST(or_0_1, "aaa != aaa -o bbb = bbb", y); 122 HUSH_TEST(or_1_0, "aaa = aaa -o bbb != bbb", y); 123 HUSH_TEST(or_1_1, "aaa = aaa -o bbb = bbb", y); 124 125 HUSH_TEST(and_0_0, "aaa != aaa -a bbb != bbb", n); 126 HUSH_TEST(and_0_1, "aaa != aaa -a bbb = bbb", n); 127 HUSH_TEST(and_1_0, "aaa = aaa -a bbb != bbb", n); 128 HUSH_TEST(and_1_1, "aaa = aaa -a bbb = bbb", y); 129 130 /* Inversion within binary operators */ 131 HUSH_TEST(or_0_0_inv, "! aaa != aaa -o ! bbb != bbb", y); 132 HUSH_TEST(or_0_1_inv, "! aaa != aaa -o ! bbb = bbb", y); 133 HUSH_TEST(or_1_0_inv, "! aaa = aaa -o ! bbb != bbb", y); 134 HUSH_TEST(or_1_1_inv, "! aaa = aaa -o ! bbb = bbb", n); 135 136 HUSH_TEST(or_0_0_inv_inv, "! ! aaa != aaa -o ! ! bbb != bbb", n); 137 HUSH_TEST(or_0_1_inv_inv, "! ! aaa != aaa -o ! ! bbb = bbb", y); 138 HUSH_TEST(or_1_0_inv_inv, "! ! aaa = aaa -o ! ! bbb != bbb", y); 139 HUSH_TEST(or_1_1_inv_inv, "! ! aaa = aaa -o ! ! bbb = bbb", y); 140 141 setenv("ut_var_nonexistent", NULL); 142 setenv("ut_var_exists", "1"); 143 HUSH_TEST(z_varexp_quoted, "-z \"$ut_var_nonexistent\"", y); 144 HUSH_TEST(z_varexp_quoted, "-z \"$ut_var_exists\"", n); 145 setenv("ut_var_exists", NULL); 146 147 run_command("setenv ut_var_space \" \"", 0); 148 assert(!strcmp(getenv("ut_var_space"), " ")); 149 run_command("setenv ut_var_test $ut_var_space", 0); 150 assert(!getenv("ut_var_test")); 151 run_command("setenv ut_var_test \"$ut_var_space\"", 0); 152 assert(!strcmp(getenv("ut_var_test"), " ")); 153 run_command("setenv ut_var_test \" 1${ut_var_space}${ut_var_space} 2 \"", 0); 154 assert(!strcmp(getenv("ut_var_test"), " 1 2 ")); 155 setenv("ut_var_space", NULL); 156 setenv("ut_var_test", NULL); 157 158 #ifdef CONFIG_SANDBOX 159 /* 160 * File existence 161 * This assume U-Boot sandbox is run from the U-Boot build directory 162 */ 163 HUSH_TEST(e, "-e host - u-boot", y); 164 HUSH_TEST(e, "-e host - creating_this_file_breaks_uboot_unit_test", n); 165 #endif 166 #endif 167 168 printf("%s: Everything went swimmingly\n", __func__); 169 return 0; 170 } 171 172 U_BOOT_CMD( 173 ut_cmd, 5, 1, do_ut_cmd, 174 "Very basic test of command parsers", 175 "" 176 ); 177