v2 / vlib / v / slow_tests / map_issue_22143_clear_test.v
37 lines · 36 sloc · 1.05 KB · ace4e935762946519d6b70761f35382a0e628c52
Raw 


1fn add(mut m map[int]int, k int, v int) {


2    m[k] = v


3    dump('${m.len} ${m}')


4    // for x, y in m { println('      > m key: ${x} | value: ${y}') }


5}


6


7fn test_map_clear_there_should_not_be_doble_entries_after_clear() {


8    mut ints := map[int]int{}


9    add(mut ints, 20, 120)


10    add(mut ints, 34, 134)


11    add(mut ints, 20, 150) // no double entry!


12    assert ints.len == 2


13    assert ints[34] == 134


14    assert ints[20] == 150


15    for i in 0 .. 3 {


16        println('>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> ints.clear(), i: ${i}')


17        ints.clear()


18        assert ints.len == 0


19        add(mut ints, 20, 2000 + i)


20        assert ints[20] == 2000 + i


21        add(mut ints, 34, 34)


22        assert ints[34] == 34


23        add(mut ints, 50, 50)


24        assert ints[50] == 50


25        assert ints.len == 3


26        add(mut ints, 20, 100) // try setting the first key again


27        assert ints.len == 3


28        assert ints[20] == 100


29        add(mut ints, 34, 55) // try setting the second key again


30        assert ints.len == 3


31        assert ints[34] == 55


32        add(mut ints, 20, 200 + i) // try setting the third key again


33        assert ints.len == 3


34        assert ints[20] == 200 + i


35    }


36    assert ints.len == 3


37}


38