ndg/lib/lvgl/tests/src/test_cases/test_dropdown.c

#if LV_BUILD_TEST
#include "../lvgl.h"

#include "unity/unity.h"
#include "lv_test_indev.h"

void setUp(void)
{
    /* Function run before every test */
}

void tearDown(void)
{
    /* Function run after every test */
    lv_obj_clean(lv_scr_act());
}
void test_dropdown_create_delete(void)
{
    lv_dropdown_create(lv_scr_act());
    TEST_ASSERT_EQUAL(2, lv_obj_get_child_cnt(lv_scr_act()));

    lv_obj_t * dd2 = lv_dropdown_create(lv_scr_act());
    lv_obj_set_pos(dd2, 200, 0);
    TEST_ASSERT_EQUAL(4, lv_obj_get_child_cnt(lv_scr_act()));
    TEST_ASSERT_FALSE(lv_dropdown_is_open(dd2));
    lv_dropdown_open(dd2);
    TEST_ASSERT_EQUAL(4, lv_obj_get_child_cnt(lv_scr_act()));
    TEST_ASSERT_TRUE(lv_dropdown_is_open(dd2));
    lv_dropdown_open(dd2);    /*Try to open again*/
    TEST_ASSERT_EQUAL(4, lv_obj_get_child_cnt(lv_scr_act()));

    lv_obj_t * dd3 = lv_dropdown_create(lv_scr_act());
    lv_obj_set_pos(dd3, 400, 0);
    TEST_ASSERT_EQUAL(6, lv_obj_get_child_cnt(lv_scr_act()));
    lv_dropdown_open(dd3);
    TEST_ASSERT_EQUAL(6, lv_obj_get_child_cnt(lv_scr_act()));
    lv_dropdown_close(dd3);
    TEST_ASSERT_EQUAL(6, lv_obj_get_child_cnt(lv_scr_act()));
    lv_dropdown_close(dd3);   /*Try to close again*/
    TEST_ASSERT_EQUAL(6, lv_obj_get_child_cnt(lv_scr_act()));

    lv_obj_del(dd2);
    TEST_ASSERT_EQUAL(4, lv_obj_get_child_cnt(lv_scr_act()));

    lv_obj_clean(lv_scr_act());
    TEST_ASSERT_EQUAL(0, lv_obj_get_child_cnt(lv_scr_act()));

}

void test_dropdown_set_options(void)
{

    lv_mem_monitor_t m1;
    lv_mem_monitor(&m1);

    lv_obj_t * dd1 = lv_dropdown_create(lv_scr_act());
    TEST_ASSERT_EQUAL_STRING("Option 1\nOption 2\nOption 3", lv_dropdown_get_options(dd1));
    TEST_ASSERT_EQUAL(3, lv_dropdown_get_option_cnt(dd1));

    lv_dropdown_set_options(dd1, "a1\nb2\nc3\nd4\ne5\nf6");
    TEST_ASSERT_EQUAL_STRING("a1\nb2\nc3\nd4\ne5\nf6", lv_dropdown_get_options(dd1));
    TEST_ASSERT_EQUAL(6, lv_dropdown_get_option_cnt(dd1));

    lv_obj_set_width(dd1, 200);
    lv_dropdown_open(dd1);
    lv_obj_update_layout(dd1);
    TEST_ASSERT_EQUAL(200, lv_obj_get_width(lv_dropdown_get_list(dd1)));

    lv_dropdown_close(dd1);

    lv_dropdown_add_option(dd1, "x0", 0);
    TEST_ASSERT_EQUAL_STRING("x0\na1\nb2\nc3\nd4\ne5\nf6", lv_dropdown_get_options(dd1));
    TEST_ASSERT_EQUAL(7, lv_dropdown_get_option_cnt(dd1));

    lv_dropdown_add_option(dd1, "y0", 3);
    TEST_ASSERT_EQUAL_STRING("x0\na1\nb2\ny0\nc3\nd4\ne5\nf6", lv_dropdown_get_options(dd1));
    TEST_ASSERT_EQUAL(8, lv_dropdown_get_option_cnt(dd1));

    lv_dropdown_add_option(dd1, "z0", LV_DROPDOWN_POS_LAST);
    TEST_ASSERT_EQUAL_STRING("x0\na1\nb2\ny0\nc3\nd4\ne5\nf6\nz0", lv_dropdown_get_options(dd1));
    TEST_ASSERT_EQUAL(9, lv_dropdown_get_option_cnt(dd1));

    lv_dropdown_clear_options(dd1);
    TEST_ASSERT_EQUAL_STRING("", lv_dropdown_get_options(dd1));
    TEST_ASSERT_EQUAL(0, lv_dropdown_get_option_cnt(dd1));

    lv_dropdown_set_options(dd1, "o1\no2"); /*Just to add some content before lv_dropdown_set_options_static*/

    lv_dropdown_set_options_static(dd1, "a1\nb2\nc3\nd4\ne5\nf6");
    TEST_ASSERT_EQUAL_STRING("a1\nb2\nc3\nd4\ne5\nf6", lv_dropdown_get_options(dd1));
    TEST_ASSERT_EQUAL(6, lv_dropdown_get_option_cnt(dd1));

    lv_dropdown_add_option(dd1, "x0", 0);
    TEST_ASSERT_EQUAL_STRING("x0\na1\nb2\nc3\nd4\ne5\nf6", lv_dropdown_get_options(dd1));
    TEST_ASSERT_EQUAL(7, lv_dropdown_get_option_cnt(dd1));

    lv_dropdown_add_option(dd1, "y0", 3);
    TEST_ASSERT_EQUAL_STRING("x0\na1\nb2\ny0\nc3\nd4\ne5\nf6", lv_dropdown_get_options(dd1));
    TEST_ASSERT_EQUAL(8, lv_dropdown_get_option_cnt(dd1));

    lv_dropdown_add_option(dd1, "z0", LV_DROPDOWN_POS_LAST);
    TEST_ASSERT_EQUAL_STRING("x0\na1\nb2\ny0\nc3\nd4\ne5\nf6\nz0", lv_dropdown_get_options(dd1));
    TEST_ASSERT_EQUAL(9, lv_dropdown_get_option_cnt(dd1));

    lv_dropdown_clear_options(dd1);
    TEST_ASSERT_EQUAL_STRING("", lv_dropdown_get_options(dd1));
    TEST_ASSERT_EQUAL(0, lv_dropdown_get_option_cnt(dd1));

    lv_obj_del(dd1);

    lv_mem_monitor_t m2;
    lv_mem_monitor(&m2);
    TEST_ASSERT_UINT32_WITHIN(48, m1.free_size, m2.free_size);
}

void test_dropdown_select(void)
{
    lv_obj_t * dd1 = lv_dropdown_create(lv_scr_act());
    lv_dropdown_set_selected(dd1, 2);

    TEST_ASSERT_EQUAL(2, lv_dropdown_get_selected(dd1));

    char buf[32];
    memset(buf, 0x00, sizeof(buf));
    lv_dropdown_get_selected_str(dd1, buf, sizeof(buf));
    TEST_ASSERT_EQUAL_STRING("Option 3", buf);

    memset(buf, 0x00, sizeof(buf));
    lv_dropdown_get_selected_str(dd1, buf, 4);
    TEST_ASSERT_EQUAL_STRING("Opt", buf);

    /*Out of range*/
    lv_dropdown_set_selected(dd1, 3);
    TEST_ASSERT_EQUAL(2, lv_dropdown_get_selected(dd1));
}

void test_dropdown_click(void)
{
    lv_obj_clean(lv_scr_act());
    lv_obj_t * dd1 = lv_dropdown_create(lv_scr_act());
    lv_obj_update_layout(dd1);

    TEST_ASSERT_FALSE(lv_dropdown_is_open(dd1));
    lv_test_mouse_click_at(dd1->coords.x1 + 5, dd1->coords.y1 + 5);
    TEST_ASSERT_TRUE(lv_dropdown_is_open(dd1));

    lv_obj_t * list = lv_dropdown_get_list(dd1);
    TEST_ASSERT_EQUAL(0, lv_dropdown_get_selected(dd1));
    lv_test_mouse_click_at(list->coords.x1 + 5, list->coords.y2 - 25);
    TEST_ASSERT_EQUAL(2, lv_dropdown_get_selected(dd1));
    TEST_ASSERT_FALSE(lv_dropdown_is_open(dd1));
}

static uint32_t event_cnt;
static void dd_event(lv_event_t * e)
{
    LV_UNUSED(e);
    event_cnt++;
}

void test_dropdown_keypad(void)
{
    lv_obj_clean(lv_scr_act());

    lv_group_t * g = lv_group_create();
    lv_indev_set_group(lv_test_keypad_indev, g);

    lv_obj_t * dd1 = lv_dropdown_create(lv_scr_act());
    lv_obj_set_pos(dd1, 20, 20);
    lv_dropdown_set_options(dd1, "1\n2\n3\n4\n5\n6\n7\n8");
    lv_group_add_obj(g, dd1);
    lv_obj_add_event_cb(dd1, dd_event, LV_EVENT_VALUE_CHANGED, NULL);

    lv_obj_t * dd2 = lv_dropdown_create(lv_scr_act());
    lv_obj_set_pos(dd2, 300, 20);
    lv_group_add_obj(g, dd2);

    event_cnt = 0;

    TEST_ASSERT_FALSE(lv_dropdown_is_open(dd1));
    TEST_ASSERT_FALSE(lv_dropdown_is_open(dd2));
    lv_test_key_hit(LV_KEY_ENTER);
    TEST_ASSERT_TRUE(lv_dropdown_is_open(dd1));
    TEST_ASSERT_FALSE(lv_dropdown_is_open(dd2));

    lv_test_key_hit(LV_KEY_DOWN);
    lv_test_key_hit(LV_KEY_RIGHT);  /*Same as down*/
    lv_test_key_hit(LV_KEY_ENTER);
    TEST_ASSERT_FALSE(lv_dropdown_is_open(dd1));
    TEST_ASSERT_EQUAL(2, lv_dropdown_get_selected(dd1));
    TEST_ASSERT_EQUAL(1, event_cnt);

    lv_test_key_hit(LV_KEY_DOWN); /*Open the list too*/
    TEST_ASSERT_NOT_NULL(lv_dropdown_get_list(dd1));
    lv_test_key_hit(LV_KEY_DOWN);
    lv_test_key_hit(LV_KEY_ENTER);
    TEST_ASSERT_FALSE(lv_dropdown_is_open(dd1));
    TEST_ASSERT_EQUAL(3, lv_dropdown_get_selected(dd1));
    TEST_ASSERT_EQUAL(2, event_cnt);

    lv_test_key_hit(LV_KEY_RIGHT); /*Open the list too*/
    TEST_ASSERT_NOT_NULL(lv_dropdown_get_list(dd1));
    lv_test_key_hit(LV_KEY_RIGHT);
    lv_test_key_hit(LV_KEY_ENTER);
    TEST_ASSERT_FALSE(lv_dropdown_is_open(dd1));
    TEST_ASSERT_EQUAL(4, lv_dropdown_get_selected(dd1));
    TEST_ASSERT_EQUAL(3, event_cnt);

    lv_test_key_hit(LV_KEY_LEFT); /*Open the list too*/
    TEST_ASSERT_TRUE(lv_dropdown_is_open(dd1));
    lv_test_key_hit(LV_KEY_LEFT);
    lv_test_key_hit(LV_KEY_ENTER);
    TEST_ASSERT_FALSE(lv_dropdown_is_open(dd1));
    TEST_ASSERT_EQUAL(3, lv_dropdown_get_selected(dd1));
    TEST_ASSERT_EQUAL(4, event_cnt);

    lv_test_key_hit(LV_KEY_UP); /*Open the list too*/
    TEST_ASSERT_NOT_NULL(lv_dropdown_get_list(dd1));
    lv_test_key_hit(LV_KEY_UP);
    lv_test_key_hit(LV_KEY_ENTER);
    TEST_ASSERT_FALSE(lv_dropdown_is_open(dd1));
    TEST_ASSERT_EQUAL(2, lv_dropdown_get_selected(dd1));
    TEST_ASSERT_EQUAL(5, event_cnt);

    lv_test_key_hit(LV_KEY_UP);
    lv_test_key_hit(LV_KEY_UP);
    lv_test_key_hit(LV_KEY_UP);
    lv_test_key_hit(LV_KEY_UP);
    lv_test_key_hit(LV_KEY_ENTER);
    TEST_ASSERT_FALSE(lv_dropdown_is_open(dd1));
    TEST_ASSERT_EQUAL(0, lv_dropdown_get_selected(dd1));
    TEST_ASSERT_EQUAL(6, event_cnt);

    lv_test_key_hit(LV_KEY_DOWN);
    lv_test_key_hit(LV_KEY_DOWN);
    lv_test_key_hit(LV_KEY_DOWN);
    lv_test_key_hit(LV_KEY_DOWN);
    lv_test_key_hit(LV_KEY_DOWN);
    lv_test_key_hit(LV_KEY_DOWN);
    lv_test_key_hit(LV_KEY_DOWN);
    lv_test_key_hit(LV_KEY_DOWN);
    lv_test_key_hit(LV_KEY_DOWN);
    lv_test_key_hit(LV_KEY_ENTER);
    TEST_ASSERT_FALSE(lv_dropdown_is_open(dd1));
    TEST_ASSERT_EQUAL(7, lv_dropdown_get_selected(dd1));
    TEST_ASSERT_EQUAL(7, event_cnt);

    lv_test_key_hit(LV_KEY_ENTER);
    TEST_ASSERT_TRUE(lv_dropdown_is_open(dd1));

    lv_test_key_hit(LV_KEY_NEXT);
    TEST_ASSERT_FALSE(lv_dropdown_is_open(dd1));
    TEST_ASSERT_FALSE(lv_dropdown_is_open(dd2));

    lv_test_key_hit(LV_KEY_ENTER);
    TEST_ASSERT_FALSE(lv_dropdown_is_open(dd1));
    TEST_ASSERT_NOT_NULL(lv_dropdown_get_list(dd2));

    lv_indev_set_group(lv_test_keypad_indev, NULL);
    lv_group_del(g);
}


void test_dropdown_encoder(void)
{
    lv_obj_clean(lv_scr_act());

    lv_group_t * g = lv_group_create();
    lv_indev_set_group(lv_test_encoder_indev, g);

    lv_obj_t * dd1 = lv_dropdown_create(lv_scr_act());
    lv_obj_set_pos(dd1, 20, 20);
    lv_dropdown_set_options(dd1, "1\n2\n3\n4\n5\n6\n7\n8");
    lv_group_add_obj(g, dd1);
    lv_obj_add_event_cb(dd1, dd_event, LV_EVENT_VALUE_CHANGED, NULL);

    lv_obj_t * dd2 = lv_dropdown_create(lv_scr_act());
    lv_obj_set_pos(dd2, 300, 20);
    lv_group_add_obj(g, dd2);

    event_cnt = 0;

    TEST_ASSERT_FALSE(lv_dropdown_is_open(dd1));
    TEST_ASSERT_FALSE(lv_dropdown_is_open(dd2));
    lv_test_encoder_click();
    TEST_ASSERT_TRUE(lv_dropdown_is_open(dd1));
    TEST_ASSERT_FALSE(lv_dropdown_is_open(dd2));

    lv_test_encoder_turn(5);
    lv_test_encoder_click();
    TEST_ASSERT_FALSE(lv_dropdown_is_open(dd1));
    TEST_ASSERT_EQUAL(5, lv_dropdown_get_selected(dd1));
    TEST_ASSERT_EQUAL(1, event_cnt);

    lv_test_encoder_click();
    lv_test_encoder_turn(-1);
    lv_test_encoder_click();
    TEST_ASSERT_EQUAL(4, lv_dropdown_get_selected(dd1));
    TEST_ASSERT_EQUAL(2, event_cnt);

    lv_test_encoder_click();
    lv_test_encoder_turn(2);
    lv_test_encoder_press();
    lv_test_indev_wait(1000);  //Long press
    lv_test_encoder_release();
    lv_test_indev_wait(50);
    TEST_ASSERT_FALSE(lv_dropdown_is_open(dd1));
    TEST_ASSERT_EQUAL(4, lv_dropdown_get_selected(dd1));
    TEST_ASSERT_EQUAL(2, event_cnt);

    lv_test_encoder_turn(1);
    lv_test_encoder_click();
    TEST_ASSERT_FALSE(lv_dropdown_is_open(dd1));
    TEST_ASSERT_TRUE(lv_dropdown_is_open(dd2));

    lv_indev_set_group(lv_test_encoder_indev, NULL);
    lv_group_del(g);
}


void test_dropdown_render_1(void)
{
    lv_obj_clean(lv_scr_act());

    lv_obj_t * dd1 = lv_dropdown_create(lv_scr_act());
    lv_obj_set_pos(dd1, 10, 10);
    lv_dropdown_set_selected(dd1, 1);

    lv_obj_t * dd2 = lv_dropdown_create(lv_scr_act());
    lv_obj_set_pos(dd2, 200, 10);
    lv_obj_set_width(dd2, 200);
    lv_dropdown_set_selected(dd2, 2);
    lv_dropdown_open(dd2);
    TEST_ASSERT_TRUE(lv_dropdown_get_selected_highlight(dd2));
    lv_dropdown_set_selected_highlight(dd2, false);
    TEST_ASSERT_FALSE(lv_dropdown_get_selected_highlight(dd2));

    lv_obj_t * dd3 = lv_dropdown_create(lv_scr_act());
    lv_obj_set_style_pad_hor(dd3, 5, 0);
    lv_obj_set_style_pad_ver(dd3, 20, 0);
    lv_obj_set_pos(dd3, 500, 150);
    TEST_ASSERT_EQUAL_PTR(NULL, lv_dropdown_get_text(dd3));
    lv_dropdown_set_text(dd3, "A text");
    TEST_ASSERT_EQUAL_STRING("A text", lv_dropdown_get_text(dd3));

    lv_dropdown_set_selected(dd3, 2);

    TEST_ASSERT_EQUAL(LV_DIR_BOTTOM, lv_dropdown_get_dir(dd3));
    lv_dropdown_set_dir(dd3, LV_DIR_LEFT);
    TEST_ASSERT_EQUAL(LV_DIR_LEFT, lv_dropdown_get_dir(dd3));

    TEST_ASSERT_EQUAL_STRING(LV_SYMBOL_DOWN, lv_dropdown_get_symbol(dd3));
    lv_dropdown_set_symbol(dd3, LV_SYMBOL_LEFT);
    TEST_ASSERT_EQUAL_STRING(LV_SYMBOL_LEFT, lv_dropdown_get_symbol(dd3));

    lv_dropdown_set_options(dd3, "a0\na1\na2\na3\na4\na5\na6\na7\na8\na9\na10\na11\na12\na13\na14\na15\na16");
    lv_dropdown_open(dd3);
    lv_dropdown_set_selected(dd3, 3);
    lv_obj_t * list = lv_dropdown_get_list(dd3);
    lv_obj_set_style_text_line_space(list, 5, 0);
    lv_obj_set_style_bg_color(list, lv_color_hex3(0xf00), LV_PART_SELECTED | LV_STATE_CHECKED);


    TEST_ASSERT_EQUAL_SCREENSHOT("dropdown_1.png");
}

void test_dropdown_render_2(void)
{
    lv_obj_clean(lv_scr_act());
    LV_IMG_DECLARE(img_caret_down);
    lv_obj_t * dd1 = lv_dropdown_create(lv_scr_act());
    lv_dropdown_set_text(dd1, "Short");
    lv_dropdown_set_options(dd1, "1\n2");
    lv_dropdown_set_symbol(dd1, &img_caret_down);
    lv_dropdown_open(dd1);

    lv_obj_t * dd2 = lv_dropdown_create(lv_scr_act());
    lv_dropdown_set_text(dd2, "Go Up");
    lv_dropdown_set_options(dd2, "1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n11\n12\n13\n14\n15");
    lv_dropdown_set_symbol(dd2, NULL);
    lv_obj_align(dd2, LV_ALIGN_LEFT_MID, 150, 50);
    lv_dropdown_open(dd2);

    lv_obj_t * dd3 = lv_dropdown_create(lv_scr_act());
    lv_dropdown_set_text(dd3, "Limit Down");
    lv_dropdown_set_options(dd3, "1aaaaaaaaaaaaaaaa\n2\n3\n4\n5\n6\n7\n8\n9\n10\n11\n12\n13\n14\n15");
    lv_obj_align(dd3, LV_ALIGN_LEFT_MID, 300, -10);
    lv_dropdown_open(dd3);

    lv_obj_t * dd4 = lv_dropdown_create(lv_scr_act());
    lv_dropdown_set_text(dd4, "Limit Top");
    lv_dropdown_set_options(dd4, "1aaaaaaaaaaaaaaaa\n2\n3\n4\n5\n6\n7\n8\n9\n10\n11\n12\n13\n14\n15");
    lv_obj_align(dd4, LV_ALIGN_LEFT_MID, 450, 10);
    lv_dropdown_set_dir(dd4, LV_DIR_TOP);
    lv_dropdown_set_symbol(dd4, LV_SYMBOL_UP);
    lv_dropdown_open(dd4);

    lv_obj_t * dd5 = lv_dropdown_create(lv_scr_act());
    lv_dropdown_set_text(dd5, "Go Down");
    lv_dropdown_set_options(dd5, "1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n11\n12\n13\n14\n15");
    lv_dropdown_set_dir(dd5, LV_DIR_TOP);
    lv_dropdown_set_symbol(dd5, LV_SYMBOL_UP);
    lv_obj_align(dd5, LV_ALIGN_LEFT_MID, 650, -200);
    lv_dropdown_open(dd5);

    lv_obj_t * dd6 = lv_dropdown_create(lv_scr_act());
    lv_dropdown_set_text(dd6, "Right");
    lv_dropdown_set_options(dd6, "1aaa\n2aa\n3aa");
    lv_dropdown_set_dir(dd6, LV_DIR_RIGHT);
    lv_dropdown_set_symbol(dd6, LV_SYMBOL_RIGHT);
    lv_obj_align(dd6, LV_ALIGN_BOTTOM_LEFT, 20, -20);
    lv_dropdown_open(dd6);
    lv_obj_set_style_text_align(lv_dropdown_get_list(dd6), LV_TEXT_ALIGN_RIGHT, 0);

    lv_obj_t * dd7 = lv_dropdown_create(lv_scr_act());
    lv_dropdown_set_text(dd7, "Left");
    lv_dropdown_set_options(dd7, "1aaa\n2\n3");
    lv_dropdown_set_dir(dd7, LV_DIR_LEFT);
    lv_dropdown_set_symbol(dd7, LV_SYMBOL_LEFT);
    lv_obj_align(dd7, LV_ALIGN_BOTTOM_RIGHT, -20, -20);
    lv_dropdown_open(dd7);

    TEST_ASSERT_EQUAL_SCREENSHOT("dropdown_2.png");
}

/* See #2893 */
void test_dropdown_should_list_on_top(void)
{
    lv_obj_t * cont1 = lv_obj_create(lv_scr_act());
    lv_obj_set_size(cont1, 200, 100);

    lv_obj_t * dd = lv_dropdown_create(cont1);

    lv_obj_t * cont2 = lv_obj_create(lv_scr_act());
    lv_obj_set_size(cont2, 200, 100);
    lv_obj_set_pos(cont2, 0, 100);

    lv_dropdown_open(dd);
    lv_obj_t * list = lv_dropdown_get_list(dd);
    TEST_ASSERT_EQUAL_PTR(lv_scr_act(), lv_obj_get_parent(list));
    TEST_ASSERT_EQUAL_INT(2, lv_obj_get_index(list));
}


#endif