diff --git a/tests/test_table_basic.c b/tests/test_table_basic.c
index 2621cc0..12cc235 100644
--- a/tests/test_table_basic.c
+++ b/tests/test_table_basic.c
@@ -291,6 +291,151 @@ void test_table_write(void)
 {
     FTABLE *table = NULL;
 
+    SCENARIO("Test write functions") {
+        table = ft_create_table();
+        assert_true(table != NULL);
+        assert_true(set_test_options_for_table(table) == FT_SUCCESS);
+
+        ft_set_cell_option(table, 0, FT_ANY_COLUMN, FT_COPT_ROW_TYPE, FT_ROW_HEADER);
+        assert_true(ft_write(table, "3") == FT_SUCCESS);
+        assert_true(ft_write(table, "c") == FT_SUCCESS);
+        assert_true(ft_write(table, "234") == FT_SUCCESS);
+        assert_true(ft_write(table, "3.140000") == FT_SUCCESS);
+        ft_ln(table);
+        assert_true(ft_write(table, "c") == FT_SUCCESS);
+        assert_true(ft_write(table, "234") == FT_SUCCESS);
+        assert_true(ft_write(table, "3.140000") == FT_SUCCESS);
+        assert_true(ft_write_ln(table, "3") == FT_SUCCESS);
+
+        assert_true(ft_write(table, "234") == FT_SUCCESS);
+        assert_true(ft_write(table, "3.140000") == FT_SUCCESS);
+        assert_true(ft_write(table, "3") == FT_SUCCESS);
+        assert_true(ft_write_ln(table, "c") == FT_SUCCESS);
+
+        const char *table_str = ft_to_string(table);
+        assert_true(table_str != NULL);
+        const char *table_str_etalon =
+            "+-----+----------+----------+----------+\n"
+            "|     |          |          |          |\n"
+            "|   3 |        c |      234 | 3.140000 |\n"
+            "|     |          |          |          |\n"
+            "+-----+----------+----------+----------+\n"
+            "|     |          |          |          |\n"
+            "|   c |      234 | 3.140000 |        3 |\n"
+            "|     |          |          |          |\n"
+            "+-----+----------+----------+----------+\n"
+            "|     |          |          |          |\n"
+            "| 234 | 3.140000 |        3 |        c |\n"
+            "|     |          |          |          |\n"
+            "+-----+----------+----------+----------+\n";
+        assert_str_equal(table_str, table_str_etalon);
+        ft_destroy_table(table);
+    }
+
+    SCENARIO("Test wwrite functions(wide strings)") {
+        table = ft_create_table();
+        assert_true(table != NULL);
+        assert_true(set_test_options_for_table(table) == FT_SUCCESS);
+
+        ft_set_cell_option(table, 0, FT_ANY_COLUMN, FT_COPT_ROW_TYPE, FT_ROW_HEADER);
+        assert_true(ft_wwrite(table, L"3") == FT_SUCCESS);
+        assert_true(ft_wwrite(table, L"c") == FT_SUCCESS);
+        assert_true(ft_wwrite(table, L"234") == FT_SUCCESS);
+        assert_true(ft_wwrite(table, L"3.140000") == FT_SUCCESS);
+        ft_ln(table);
+        assert_true(ft_wwrite(table, L"c") == FT_SUCCESS);
+        assert_true(ft_wwrite(table, L"234") == FT_SUCCESS);
+        assert_true(ft_wwrite(table, L"3.140000") == FT_SUCCESS);
+        assert_true(ft_wwrite_ln(table, L"3") == FT_SUCCESS);
+
+        assert_true(ft_wwrite(table, L"234") == FT_SUCCESS);
+        assert_true(ft_wwrite(table, L"3.140000") == FT_SUCCESS);
+        assert_true(ft_wwrite(table, L"3") == FT_SUCCESS);
+        assert_true(ft_wwrite_ln(table, L"c") == FT_SUCCESS);
+
+        const wchar_t *table_str = ft_to_wstring(table);
+        assert_true(table_str != NULL);
+        const wchar_t *table_str_etalon =
+            L"+-----+----------+----------+----------+\n"
+            L"|     |          |          |          |\n"
+            L"|   3 |        c |      234 | 3.140000 |\n"
+            L"|     |          |          |          |\n"
+            L"+-----+----------+----------+----------+\n"
+            L"|     |          |          |          |\n"
+            L"|   c |      234 | 3.140000 |        3 |\n"
+            L"|     |          |          |          |\n"
+            L"+-----+----------+----------+----------+\n"
+            L"|     |          |          |          |\n"
+            L"| 234 | 3.140000 |        3 |        c |\n"
+            L"|     |          |          |          |\n"
+            L"+-----+----------+----------+----------+\n";
+        assert_wcs_equal(table_str, table_str_etalon);
+        ft_destroy_table(table);
+    }
+
+    SCENARIO("Test nwrite functions") {
+        table = ft_create_table();
+        assert_true(table != NULL);
+        assert_true(set_test_options_for_table(table) == FT_SUCCESS);
+
+        ft_set_cell_option(table, 0, FT_ANY_COLUMN, FT_COPT_ROW_TYPE, FT_ROW_HEADER);
+        assert_true(ft_nwrite(table, 4, "3", "c", "234", "3.140000") == FT_SUCCESS);
+        ft_ln(table);
+        assert_true(ft_nwrite_ln(table, 4, "c", "234", "3.140000", "3") == FT_SUCCESS);
+        assert_true(ft_nwrite_ln(table, 4, "234", "3.140000", "3", "c") == FT_SUCCESS);
+
+        const char *table_str = ft_to_string(table);
+        assert_true(table_str != NULL);
+        const char *table_str_etalon =
+            "+-----+----------+----------+----------+\n"
+            "|     |          |          |          |\n"
+            "|   3 |        c |      234 | 3.140000 |\n"
+            "|     |          |          |          |\n"
+            "+-----+----------+----------+----------+\n"
+            "|     |          |          |          |\n"
+            "|   c |      234 | 3.140000 |        3 |\n"
+            "|     |          |          |          |\n"
+            "+-----+----------+----------+----------+\n"
+            "|     |          |          |          |\n"
+            "| 234 | 3.140000 |        3 |        c |\n"
+            "|     |          |          |          |\n"
+            "+-----+----------+----------+----------+\n";
+        assert_str_equal(table_str, table_str_etalon);
+        ft_destroy_table(table);
+    }
+
+    SCENARIO("Test nwwrite functions(wide strings)") {
+        table = ft_create_table();
+        assert_true(table != NULL);
+        assert_true(set_test_options_for_table(table) == FT_SUCCESS);
+
+        ft_set_cell_option(table, 0, FT_ANY_COLUMN, FT_COPT_ROW_TYPE, FT_ROW_HEADER);
+        assert_true(ft_nwwrite(table, 4, L"3", L"c", L"234", L"3.140000") == FT_SUCCESS);
+        ft_ln(table);
+        assert_true(ft_nwwrite_ln(table, 4, L"c", L"234", L"3.140000", L"3") == FT_SUCCESS);
+        assert_true(ft_nwwrite_ln(table, 4, L"234", L"3.140000", L"3", L"c") == FT_SUCCESS);
+
+        const wchar_t *table_str = ft_to_wstring(table);
+        assert_true(table_str != NULL);
+        const wchar_t *table_str_etalon =
+            L"+-----+----------+----------+----------+\n"
+            L"|     |          |          |          |\n"
+            L"|   3 |        c |      234 | 3.140000 |\n"
+            L"|     |          |          |          |\n"
+            L"+-----+----------+----------+----------+\n"
+            L"|     |          |          |          |\n"
+            L"|   c |      234 | 3.140000 |        3 |\n"
+            L"|     |          |          |          |\n"
+            L"+-----+----------+----------+----------+\n"
+            L"|     |          |          |          |\n"
+            L"| 234 | 3.140000 |        3 |        c |\n"
+            L"|     |          |          |          |\n"
+            L"+-----+----------+----------+----------+\n";
+        assert_wcs_equal(table_str, table_str_etalon);
+        ft_destroy_table(table);
+    }
+
+
     SCENARIO("Test row_write functions") {
         table = ft_create_table();
         assert_true(table != NULL);
@@ -301,7 +446,8 @@ void test_table_write(void)
         const char *row_1[4] = {"c", "234", "3.140000", "3"};
         const char *row_2[4] = {"234", "3.140000", "3", "c"};
         assert_true(ft_row_write_ln(table, 4, row_0) == FT_SUCCESS);
-        assert_true(ft_row_write_ln(table, 4, row_1) == FT_SUCCESS);
+        assert_true(ft_row_write(table, 4, row_1) == FT_SUCCESS);
+        ft_ln(table);
         assert_true(ft_row_write_ln(table, 4, row_2) == FT_SUCCESS);
 
         const char *table_str = ft_to_string(table);
@@ -334,7 +480,8 @@ void test_table_write(void)
         const wchar_t *row_1[4] = {L"c", L"234", L"3.140000", L"3"};
         const wchar_t *row_2[4] = {L"234", L"3.140000", L"3", L"c"};
         assert_true(ft_row_wwrite_ln(table, 4, row_0) == FT_SUCCESS);
-        assert_true(ft_row_wwrite_ln(table, 4, row_1) == FT_SUCCESS);
+        assert_true(ft_row_wwrite(table, 4, row_1) == FT_SUCCESS);
+        ft_ln(table);
         assert_true(ft_row_wwrite_ln(table, 4, row_2) == FT_SUCCESS);
 
         const wchar_t *table_str = ft_to_wstring(table);
@@ -366,8 +513,9 @@ void test_table_write(void)
         ft_set_cell_option(table, 0, FT_ANY_COLUMN, FT_COPT_ROW_TYPE, FT_ROW_HEADER);
         int n = ft_printf_ln(table, "%d|%c|%s|%f", 3, 'c', "234", 3.14);
         assert_true(n == 4);
-        n = ft_printf_ln(table, "%c|%s|%f|%d", 'c', "234", 3.14, 3);
+        n = ft_printf(table, "%c|%s|%f|%d", 'c', "234", 3.14, 3);
         assert_true(n == 4);
+        ft_ln(table);
         n = ft_printf_ln(table, "%s|%f|%d|%c", "234", 3.14,  3, 'c');
         assert_true(n == 4);