v2 / vlib / v / tests / fns / fn_assignment_test.v
62 lines · 45 sloc · 899 bytes · 6488041a749df9762348d019c4223908c476f2e2
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1fn test() int {


2    return 10


3}


4


5fn test1() int {


6    return 11


7}


8


9fn test_fn_assignment_var() {


10    mut a := 0


11    mut b := 0


12    a, b = test(), test1()


13


14    assert a == 10


15    assert b == 11


16


17    a, b = test(), test()


18    assert a == 10


19    assert b == 10


20


21    a, b = test(), 12


22


23    assert a == 10


24    assert b == 12


25


26    a, b = 12, test()


27


28    assert a == 12


29    assert b == 10


30}


31


32fn test_fn_assignment_array() {


33    mut a := [0, 1]


34


35    a[0], a[1] = test(), test1()


36


37    assert a[0] == 10


38    assert a[1] == 11


39


40    a[0], a[1] = test(), test()


41


42    assert a[0] == 10


43    assert a[1] == 10


44


45    a[0], a[1] = test(), 12


46


47    assert a[0] == 10


48    assert a[1] == 12


49


50    a[0], a[1] = 12, test()


51    assert a[0] == 12


52    assert a[1] == 10


53}


54


55fn test_fn_variables_can_be_assigned_pointers() {


56    mut fn_ptr := fn (_ voidptr, _ u64) {}


57    // println(voidptr(fn_ptr))


58    assert fn_ptr != unsafe { nil }


59    fn_ptr = unsafe { nil }


60    // aprintln(voidptr(fn_ptr))


61    assert fn_ptr == unsafe { nil }


62}


63