v2 / vlib / v / slow_tests / map_issue_22139_clear_test.v
59 lines · 52 sloc · 1017 bytes · ace4e935762946519d6b70761f35382a0e628c52
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1fn test_map_clear_done_several_times() {


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


3


4    ints[5] = 5


5    dump(ints.len)


6    assert ints.len == 1


7


8    ints.clear()


9    dump(ints.len)


10    assert ints.len == 0


11


12    ints[5] = 3


13    dump(ints.len)


14    assert ints.len == 1


15


16    ints.clear()


17    dump(ints.len)


18    assert ints.len == 0


19


20    ints[5] = 123


21    dump(ints.len)


22    assert ints.len == 1


23}


24


25fn test_map_clear_in_loop_metas_should_be_cleared_too() {


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


27    for i in 0 .. 100 {


28        ints[i] = i * 123


29        ints.clear()


30        assert ints.len == 0


31        // dump(ints)


32        ints[i] = i


33        // dump(ints)


34        assert ints.len == 1


35        ints[1000 + i] = 1000 * i


36        assert ints.len == 2


37    }


38}


39


40fn test_map_clear_in_loop_delete_keys() {


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


42    for i in 0 .. 100 {


43        ints[i] = i * 123


44        ints[i + 2] = i


45        ints.delete(i)


46        ints.delete(i + 1)


47        ints.delete(i + 2)


48        ints.delete(i + 3)


49        ints.delete(i + 4)


50        ints.clear()


51        assert ints.len == 0


52        // dump(ints)


53        ints[i] = 5


54        // dump(ints)


55        assert ints.len == 1


56        ints[1000 + i] = 1000 * i


57        assert ints.len == 2


58    }


59}


60