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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 | // SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2025 Simon Glass <sjg@chromium.org> * * Test for console functionality */ #include <console.h> #include <dm/uclass.h> #include <env.h> #include <malloc.h> #include <serial.h> #include <video.h> #include <test/common.h> #include <test/test.h> #include <test/ut.h> #include <asm/global_data.h> #include <asm/state.h> DECLARE_GLOBAL_DATA_PTR; /* Test calc_check_console_lines() with environment variable override */ static int console_test_calc_lines_env_override(struct unit_test_state *uts) { int original_lines, lines; char *orig_env; /* save original environment value */ orig_env = env_get("pager"); original_lines = calc_check_console_lines(); ut_assertok(env_set("pager", "1a")); lines = calc_check_console_lines(); ut_asserteq(0x1a, lines); /* decimal-looking hex value */ ut_assertok(env_set("pager", "20")); /* 32 in hex */ lines = calc_check_console_lines(); ut_asserteq(0x20, lines); /* zero - should disable pager */ ut_assertok(env_set("pager", "0")); lines = calc_check_console_lines(); ut_asserteq(0, lines); /* restore original environment */ ut_assertok(env_set("pager", orig_env)); /* verify restoration */ lines = calc_check_console_lines(); ut_asserteq(original_lines, lines); return 0; } COMMON_TEST(console_test_calc_lines_env_override, 0); /* Test calc_check_console_lines() with invalid environment values */ static int console_test_calc_lines_env_invalid(struct unit_test_state *uts) { struct sandbox_state *state; char *orig_env; bool orig_tty; int lines; /* save original state */ orig_env = env_get("pager"); state = state_get_current(); orig_tty = state->serial_is_tty; /* invalid hex value and no terminal - should return 0 */ state->serial_is_tty = false; ut_assertok(env_set("pager", "xyz")); lines = calc_check_console_lines(); ut_asserteq(0, lines); /* empty string and no terminal - should return 0 */ ut_assertok(env_set("pager", "")); lines = calc_check_console_lines(); ut_asserteq(0, lines); /* invalid hex value and terminal - should fall back to CONFIG */ state->serial_is_tty = true; ut_assertok(env_set("pager", "xyz")); lines = calc_check_console_lines(); ut_asserteq(CONFIG_CONSOLE_PAGER_LINES, lines); /* restore original state */ state->serial_is_tty = orig_tty; ut_assertok(env_set("pager", orig_env)); return 0; } COMMON_TEST(console_test_calc_lines_env_invalid, 0); /* Test calc_check_console_lines() default behavior without environment */ static int console_test_calc_lines_default(struct unit_test_state *uts) { struct sandbox_state *state; struct serial_priv *priv; struct uclass *uc; int lines; char *orig_env; bool orig_tty; /* Save original state */ orig_env = env_get("pager"); state = state_get_current(); orig_tty = state->serial_is_tty; /* Clear environment variable */ ut_assertok(env_set("pager", NULL)); /* no terminal - should return 0 (pager disabled) */ state->serial_is_tty = false; lines = calc_check_console_lines(); ut_asserteq(0, lines); /* terminal enabled but no cached size - returns CONFIG default */ state->serial_is_tty = true; lines = calc_check_console_lines(); ut_asserteq(CONFIG_CONSOLE_PAGER_LINES, lines); /* set cached serial size and verify it's used */ ut_assertok(uclass_get(UCLASS_SERIAL, &uc)); priv = uclass_get_priv(uc); priv->rows = 30; priv->cols = 80; lines = calc_check_console_lines(); ut_asserteq(30, lines); /* Clear cached values for cleanup */ priv->rows = 0; priv->cols = 0; /* Restore original state */ state->serial_is_tty = orig_tty; ut_assertok(env_set("pager", orig_env)); return 0; } COMMON_TEST(console_test_calc_lines_default, 0); /* Test calc_check_console_lines() precedence: env overrides everything */ static int console_test_calc_lines_precedence(struct unit_test_state *uts) { int lines; char *orig_env; /* Save original environment value */ orig_env = env_get("pager"); /* Set environment to a specific value */ ut_assertok(env_set("pager", "2a")); lines = calc_check_console_lines(); /* * Environment should always take precedence regardless of video/serial * state */ ut_asserteq(0x2a, lines); /* Test with zero environment value */ ut_assertok(env_set("pager", "0")); lines = calc_check_console_lines(); ut_asserteq(0, lines); /* Restore original environment */ ut_assertok(env_set("pager", orig_env)); return 0; } COMMON_TEST(console_test_calc_lines_precedence, 0); /* Test calc_check_console_lines() with serial terminal detection */ static int console_test_calc_lines_serial_tty(struct unit_test_state *uts) { int lines; char *orig_env; bool orig_tty; struct sandbox_state *state; /* Save original state */ orig_env = env_get("pager"); state = state_get_current(); orig_tty = state->serial_is_tty; /* Clear environment to test device detection */ ut_assertok(env_set("pager", NULL)); /* Test with serial terminal enabled */ state->serial_is_tty = true; lines = calc_check_console_lines(); /* Should attempt to query serial size or use default */ ut_assert(lines >= 0); /* Test with serial terminal disabled (not a terminal) */ state->serial_is_tty = false; lines = calc_check_console_lines(); /* Should return 0 when not connected to terminal */ ut_asserteq(0, lines); /* Restore original state */ state->serial_is_tty = orig_tty; ut_assertok(env_set("pager", orig_env)); return 0; } COMMON_TEST(console_test_calc_lines_serial_tty, 0); /* Test putsn() with basic string */ static int console_test_putsn_basic(struct unit_test_state *uts) { putsn("hello", 5); ut_assertok(ut_check_console_line(uts, "hello")); ut_assert_console_end(); return 0; } COMMON_TEST(console_test_putsn_basic, UTF_CONSOLE); /* Test putsn() with substring */ static int console_test_putsn_substring(struct unit_test_state *uts) { const char *str = "hello world"; putsn(str, 5); ut_assertok(ut_check_console_line(uts, "hello")); ut_assert_console_end(); return 0; } COMMON_TEST(console_test_putsn_substring, UTF_CONSOLE); /* Test putsn() with zero length */ static int console_test_putsn_zero(struct unit_test_state *uts) { putsn("test", 0); ut_assert_console_end(); return 0; } COMMON_TEST(console_test_putsn_zero, UTF_CONSOLE); /* Test putsn() outputs exactly len characters */ static int console_test_putsn_exact_len(struct unit_test_state *uts) { const char *str = "hello world"; /* Output exactly 5 characters from a longer string */ putsn(str, 5); ut_assertok(ut_check_console_line(uts, "hello")); ut_assert_console_end(); return 0; } COMMON_TEST(console_test_putsn_exact_len, UTF_CONSOLE); |