v/vlib/v/tests/array_init_test.v

42 lines
815 B
V

struct Init {
len int
}
fn test_array_init() {
b := [1, 2, 3]
mut a := []int{cap: b.len}
a << 1
'$a, $a.len, $a.cap' == '[1], 1, 3'
c := Init{len: 3}
mut d := []string{cap: c.len}
d << 'aaa'
d << 'bbb'
'$d, $d.len, $d.cap' == "['aaa', 'bbb'], 2, 3"
}
fn test_array_init_with_default() {
a1 := []int{len: 4, init: 2}
assert '$a1' == '[2, 2, 2, 2]'
a2 := []int{len: 3, init: 12345}
assert '$a2' == '[12345, 12345, 12345]'
b1 := []string{len: 3, init: 'abc'}
assert '$b1' == "['abc', 'abc', 'abc']"
b2 := []string{len: 2, init: '111'}
assert '$b2' == "['111', '111']"
}
fn test_array_init_with_len_no_default() {
a1 := []int{len: 4}
assert '$a1' == '[0, 0, 0, 0]'
a2 := []string{len: 4}
assert '$a2' == "['', '', '', '']"
a3 := []bool{len: 3}
assert '$a3' == '[false, false, false]'
}