v2 / vlib / v / tests / builtin_arrays / fixed_array_of_option_test.v
26 lines · 22 sloc · 614 bytes · 6488041a749df9762348d019c4223908c476f2e2
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1fn test_fixed_array_of_option() {


2    mut a1 := [3]?int{init: ?int(1)}


3    a1[0] = none


4    a1[1] = 2


5    println(a1)


6    assert '${a1}' == '[Option(none), Option(2), Option(1)]'


7


8    mut a11 := [3]?int{init: 1}


9    a11[0] = none


10    a11[1] = 2


11    println(a11)


12    assert '${a11}' == '[Option(none), Option(2), Option(1)]'


13


14    mut a2 := [3]?int{}


15    a2[0] = 1


16    println(a2)


17    assert '${a2}' == '[Option(1), Option(none), Option(none)]'


18


19    a3 := [3]?int{init: ?int(index * 2)}


20    println(a3)


21    assert '${a3}' == '[Option(0), Option(2), Option(4)]'


22


23    a33 := [3]?int{init: index * 2}


24    println(a33)


25    assert '${a33}' == '[Option(0), Option(2), Option(4)]'


26}


27