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diff --git a/tests/ref_imgs/msgbox_ok_with_close_btn.png b/tests/ref_imgs/msgbox_ok_with_close_btn.png
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diff --git a/tests/src/test_cases/test_msgbox.c b/tests/src/test_cases/test_msgbox.c
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+++ b/tests/src/test_cases/test_msgbox.c
@@ -0,0 +1,202 @@
+#if LV_BUILD_TEST
+#include "../lvgl.h"
+
+#include "unity/unity.h"
+#include "lv_test_indev.h"
+
+/* This function runs before each test */
+void setUp(void);
+/* This function runs after every test */
+void tearDown(void);
+
+void test_msgbox_creation_successfull_with_close_btn(void);
+void test_msgbox_creation_successfull_no_close_btn(void);
+void test_msgbox_creation_successfull_modal(void);
+void test_msgbox_get_title(void);
+void test_msgbox_get_close_btn(void);
+void test_msgbox_get_text(void);
+void test_msgbox_get_content(void);
+void test_msgbox_get_btns(void);
+void test_msgbox_get_active_btn(void);
+void test_msgbox_get_active_btn_text(void);
+void test_msgbox_close(void);
+void test_msgbox_close_modal(void);
+void test_msgbox_close_async(void);
+void test_msgbox_close_async_modal(void);
+void test_msgbox_close_click_event(void);
+
+static lv_obj_t * active_screen = NULL;
+static lv_obj_t * msgbox = NULL;
+static const char * btns_txts[] = {"Apply", "Cancel", NULL};
+
+void setUp(void)
+{
+    active_screen = lv_scr_act();
+}
+
+void tearDown(void)
+{
+    lv_obj_clean(active_screen);
+}
+
+void test_msgbox_creation_successfull_with_close_btn(void)
+{
+    bool add_close_btn = true;
+
+    msgbox = lv_msgbox_create(active_screen, "The title", "The text", btns_txts, add_close_btn);
+
+    TEST_ASSERT_NOT_NULL(msgbox);
+
+    TEST_ASSERT_EQUAL_SCREENSHOT("msgbox_ok_with_close_btn.png");
+}
+
+void test_msgbox_creation_successfull_no_close_btn(void)
+{
+    bool add_close_btn = false;
+
+    msgbox = lv_msgbox_create(active_screen, "The title", "The text", btns_txts, add_close_btn);
+
+    TEST_ASSERT_NOT_NULL(msgbox);
+
+    TEST_ASSERT_EQUAL_SCREENSHOT("msgbox_ok_no_close_btn.png");
+}
+
+void test_msgbox_creation_successfull_modal(void)
+{
+    // If parent is NULL the message box will be modal
+    msgbox = lv_msgbox_create(NULL, "The title", "The text", btns_txts, true);
+
+    TEST_ASSERT_NOT_NULL(msgbox);
+
+    // Since msgbox has no parent, it won´t be clean up at tearDown()
+    lv_obj_clean(msgbox);
+}
+
+void test_msgbox_get_title(void)
+{
+    const char * txt_title = "The title";
+    lv_obj_t * lbl_title = NULL;
+
+    msgbox = lv_msgbox_create(active_screen, txt_title, "The text", btns_txts, true);
+
+    // Msgbox title is a lv_label widget
+    lbl_title = lv_msgbox_get_title(msgbox);
+
+    TEST_ASSERT_EQUAL_STRING(txt_title, lv_label_get_text(lbl_title));
+}
+
+void test_msgbox_get_close_btn(void)
+{
+    lv_obj_t * close_btn = NULL;
+
+    msgbox = lv_msgbox_create(active_screen, "The title", "The text", btns_txts, true);
+
+    // Msgbox close button is a lv_btn widget
+    close_btn = lv_msgbox_get_close_btn(msgbox);
+
+    TEST_ASSERT_NOT_NULL(close_btn);
+}
+
+void test_msgbox_get_text(void)
+{
+    const char * txt_text = "The text";
+    lv_obj_t * lbl_text = NULL;
+
+    msgbox = lv_msgbox_create(active_screen, "The title", txt_text, btns_txts, true);
+
+    // Msgbox text is a lv_label widget
+    lbl_text = lv_msgbox_get_text(msgbox);
+
+    TEST_ASSERT_EQUAL_STRING(txt_text, lv_label_get_text(lbl_text));
+}
+
+void test_msgbox_get_content(void)
+{
+    msgbox = lv_msgbox_create(active_screen, "The title", "The text", btns_txts, true);
+
+    TEST_ASSERT_NOT_NULL(lv_msgbox_get_content(msgbox));
+}
+
+void test_msgbox_get_btns(void)
+{
+    lv_obj_t * btnmatrix = NULL;
+
+    msgbox = lv_msgbox_create(active_screen, "The title", "The text", btns_txts, true);
+
+    // Msgbox buttons is a lv_btnmatrix widget
+    btnmatrix = lv_msgbox_get_btns(msgbox);
+
+    for(int i = 0; i < 2; i++) {
+        TEST_ASSERT_EQUAL_STRING(btns_txts[i], lv_btnmatrix_get_btn_text(btnmatrix, i));
+    }
+}
+
+void test_msgbox_get_active_btn(void)
+{
+    msgbox = lv_msgbox_create(active_screen, "The title", "The text", btns_txts, true);
+
+    // index of active button is LV_BTNMATRIX_BTN_NONE if unset (no button clicked)
+    TEST_ASSERT_EQUAL(LV_BTNMATRIX_BTN_NONE, lv_msgbox_get_active_btn(msgbox));
+}
+
+void test_msgbox_get_active_btn_text(void)
+{
+    msgbox = lv_msgbox_create(active_screen, "The title", "The text", btns_txts, true);
+
+    // active button unset (no button clicked) -> active button text NULL
+    TEST_ASSERT_NULL(lv_msgbox_get_active_btn_text(msgbox));
+}
+
+void test_msgbox_close(void)
+{
+    msgbox = lv_msgbox_create(active_screen, "The title", "The text", btns_txts, true);
+
+    lv_msgbox_close(msgbox);
+
+    // lv_msgbox_close deletes the message box
+    TEST_ASSERT_NOT_NULL(msgbox);
+}
+
+void test_msgbox_close_modal(void)
+{
+    msgbox = lv_msgbox_create(NULL, "The title", "The text", btns_txts, true);
+
+    lv_msgbox_close(msgbox);
+
+    // lv_msgbox_close deletes the message box
+    TEST_ASSERT_NOT_NULL(msgbox);
+}
+
+void test_msgbox_close_async(void)
+{
+    msgbox = lv_msgbox_create(active_screen, "The title", "The text", btns_txts, true);
+
+    lv_msgbox_close_async(msgbox);
+
+    // lv_msgbox_close deletes the message box
+    TEST_ASSERT_NOT_NULL(msgbox);
+}
+
+void test_msgbox_close_async_modal(void)
+{
+    msgbox = lv_msgbox_create(NULL, "The title", "The text", btns_txts, true);
+
+    lv_msgbox_close_async(msgbox);
+
+    // lv_msgbox_close deletes the message box
+    TEST_ASSERT_NOT_NULL(msgbox);
+}
+
+void test_msgbox_close_click_event(void)
+{
+    lv_obj_t * close_btn = NULL;
+
+    msgbox = lv_msgbox_create(active_screen, "The title", "The text", btns_txts, true);
+
+    // Msgbox close button is a lv_btn widget
+    close_btn = lv_msgbox_get_close_btn(msgbox);
+
+    lv_event_send(close_btn, LV_EVENT_CLICKED, NULL);
+}
+
+#endif