-
Notifications
You must be signed in to change notification settings - Fork 144
Expand file tree
/
Copy pathrandom_access.rs
More file actions
63 lines (50 loc) · 1.6 KB
/
random_access.rs
File metadata and controls
63 lines (50 loc) · 1.6 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
use feather_ecs::{ComponentError, Ecs, EntityBuilder};
#[test]
fn add_simple_entity() {
let mut ecs = Ecs::new();
let entity = ecs.inner_mut().spawn(
EntityBuilder::new()
.add(10i32)
.add(15u32)
.add(usize::MAX)
.build(),
);
assert_eq!(*ecs.get::<i32>(entity).unwrap(), 10);
assert_eq!(*ecs.get::<u32>(entity).unwrap(), 15);
assert_eq!(*ecs.get::<usize>(entity).unwrap(), usize::MAX);
*ecs.get_mut::<i32>(entity).unwrap() = 324;
assert_eq!(*ecs.get::<i32>(entity).unwrap(), 324);
}
#[test]
fn add_remove_entities() {
let mut ecs = Ecs::new();
let entity = ecs
.inner_mut()
.spawn(EntityBuilder::new().add("test").build());
assert_eq!(*ecs.get::<&'static str>(entity).unwrap(), "test");
ecs.inner_mut().despawn(entity).unwrap();
assert!(matches!(
ecs.get::<&'static str>(entity).err(),
Some(ComponentError::NoSuchEntity)
));
assert!(ecs.inner_mut().despawn(entity).is_err());
}
#[test]
fn fine_grained_borrow_checking() {
let mut ecs = Ecs::new();
let entity1 = ecs
.inner_mut()
.spawn(EntityBuilder::new().add(()).add(16i32).build());
let entity2 = ecs
.inner_mut()
.spawn(EntityBuilder::new().add(14i32).build());
let mut e1 = ecs.get_mut::<i32>(entity1).unwrap();
let e2 = ecs.get_mut::<i32>(entity2).unwrap();
assert_eq!(*e1, 16);
assert_eq!(*e2, 14);
*e1 = 12;
assert_eq!(*e1, 12);
drop(e1);
assert_eq!(*ecs.get_mut::<i32>(entity1).unwrap(), 12);
assert!(ecs.get_mut::<()>(entity1).is_ok());
}