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v/compiler/tests/struct_test.v

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struct A{
mut:
val int
nums []int
}
struct B{
mut:
a A
}
struct C {
mut:
b B
nums []int
aarr []A
num int
}
struct User {
name string
age int
}
fn test_struct_levels() {
mut c := C{}
assert c.nums.len == 0
c.nums << 3
assert c.nums.len == 1
assert c.nums[0] == 3
c.nums[0] = 4
assert c.nums[0] == 4
c.b.a.val = 34
assert c.b.a.val == 34
c.b.a.nums = [0;0]
c.b.a.nums << 0
c.b.a.nums << 2
assert c.b.a.nums.len == 2
assert c.b.a.nums[0] == 0
assert c.b.a.nums[1] == 2
c.b.a.nums [0] = 7
assert c.b.a.nums[0] == 7
c.aarr << A{val:8}
assert c.aarr.len == 1
assert c.aarr[0].val == 8
c.num = 20
assert c.num == 20
c.aarr[0].val = 10
assert c.aarr[0].val == 10
}
fn test_struct_str() {
u := User{'Bob', 30}
println(u) // make sure the struct is printable
// assert u.str() == '{name:"Bob", age:30}' // TODO
}