diff options
Diffstat (limited to 'test/dm/button.c')
| -rw-r--r-- | test/dm/button.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/test/dm/button.c b/test/dm/button.c index 3318668df2..830d96fbef 100644 --- a/test/dm/button.c +++ b/test/dm/button.c @@ -131,3 +131,99 @@ static int dm_test_button_keys_adc(struct unit_test_state *uts) return 0; } DM_TEST(dm_test_button_keys_adc, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); + +/* Test of the button uclass using the button_gpio driver */ +static int dm_test_button_cmd(struct unit_test_state *uts) +{ + struct udevice *btn1_dev, *btn2_dev, *gpio; + const char *envstr; + +#define BTN1_GPIO 3 +#define BTN2_GPIO 4 +#define BTN1_PASS_VAR "test_button_cmds_0" +#define BTN2_PASS_VAR "test_button_cmds_1" + + /* + * Buttons 1 and 2 are connected to gpio_a gpios 3 and 4 respectively. + * set the GPIOs to known values and then check that the appropriate + * commands are run when invoking process_button_cmds(). + */ + ut_assertok(uclass_get_device(UCLASS_BUTTON, 1, &btn1_dev)); + ut_assertok(uclass_get_device(UCLASS_BUTTON, 2, &btn2_dev)); + ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio)); + + /* + * Map a command to button 1 and check that it process_button_cmds() + * runs it if called with button 1 pressed. + */ + ut_assertok(env_set("button_cmd_0_name", "button1")); + ut_assertok(env_set("button_cmd_0", "env set " BTN1_PASS_VAR " PASS")); + ut_assertok(sandbox_gpio_set_value(gpio, BTN1_GPIO, 1)); + /* Sanity check that the button is actually pressed */ + ut_asserteq(BUTTON_ON, button_get_state(btn1_dev)); + process_button_cmds(); + ut_assertnonnull((envstr = env_get(BTN1_PASS_VAR))); + ut_asserteq_str(envstr, "PASS"); + + /* Clear result */ + ut_assertok(env_set(BTN1_PASS_VAR, NULL)); + + /* + * Map a command for button 2, press it, check that only the command + * for button 1 runs because it comes first and is also pressed. + */ + ut_assertok(env_set("button_cmd_1_name", "button2")); + ut_assertok(env_set("button_cmd_1", "env set " BTN2_PASS_VAR " PASS")); + ut_assertok(sandbox_gpio_set_value(gpio, BTN2_GPIO, 1)); + ut_asserteq(BUTTON_ON, button_get_state(btn2_dev)); + process_button_cmds(); + /* Check that button 1 triggered again */ + ut_assertnonnull((envstr = env_get(BTN1_PASS_VAR))); + ut_asserteq_str(envstr, "PASS"); + /* And button 2 didn't */ + ut_assertnull(env_get(BTN2_PASS_VAR)); + + /* Clear result */ + ut_assertok(env_set(BTN1_PASS_VAR, NULL)); + + /* + * Release button 1 and check that the command for button 2 is run + */ + ut_assertok(sandbox_gpio_set_value(gpio, BTN1_GPIO, 0)); + process_button_cmds(); + ut_assertnull(env_get(BTN1_PASS_VAR)); + /* Check that the command for button 2 ran */ + ut_assertnonnull((envstr = env_get(BTN2_PASS_VAR))); + ut_asserteq_str(envstr, "PASS"); + + /* Clear result */ + ut_assertok(env_set(BTN2_PASS_VAR, NULL)); + + /* + * Unset "button_cmd_0_name" and check that no commands run even + * with both buttons pressed. + */ + ut_assertok(env_set("button_cmd_0_name", NULL)); + /* Press button 1 (button 2 is already pressed )*/ + ut_assertok(sandbox_gpio_set_value(gpio, BTN1_GPIO, 1)); + ut_asserteq(BUTTON_ON, button_get_state(btn1_dev)); + process_button_cmds(); + ut_assertnull(env_get(BTN1_PASS_VAR)); + ut_assertnull(env_get(BTN2_PASS_VAR)); + + /* + * Check that no command is run if the button name is wrong. + */ + ut_assertok(env_set("button_cmd_0_name", "invalid_button")); + process_button_cmds(); + ut_assertnull(env_get(BTN1_PASS_VAR)); + ut_assertnull(env_get(BTN2_PASS_VAR)); + +#undef BTN1_PASS_VAR +#undef BTN2_PASS_VAR +#undef BTN1_GPIO +#undef BTN2_GPIO + + return 0; +} +DM_TEST(dm_test_button_cmd, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT); |