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byte_array.rs
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/
byte_array.rs
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use crate::core_types::TypedArray;
/// A reference-counted vector of `u8` that uses Godot's pool allocator.
pub type ByteArray = TypedArray<u8>;
godot_test!(
test_byte_array_access {
use crate::object::NewRef as _;
let arr = (0..8).collect::<ByteArray>();
let original_read = {
let read = arr.read();
assert_eq!(&[0, 1, 2, 3, 4, 5, 6, 7], read.as_slice());
read.clone()
};
let mut cow_arr = arr.new_ref();
{
let mut write = cow_arr.write();
assert_eq!(8, write.len());
for i in write.as_mut_slice() {
*i *= 2;
}
}
cow_arr.append_slice(&[0, 1, 2, 3, 4, 5, 6, 7]);
assert_eq!(16, cow_arr.len());
for i in 0..8 {
assert_eq!(i * 2, cow_arr.get(i as i32));
}
for i in 8..16 {
assert_eq!(i - 8, cow_arr.get(i as i32));
}
// the write shouldn't have affected the original array
assert_eq!(&[0, 1, 2, 3, 4, 5, 6, 7], original_read.as_slice());
}
);
godot_test!(
test_byte_array_debug {
let arr = (0..8).collect::<ByteArray>();
assert_eq!(format!("{:?}", arr), "[0, 1, 2, 3, 4, 5, 6, 7]");
}
);