rhai/tests/arrays.rs

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use rhai::Engine;
use rhai::RegisterFn;
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#[test]
fn test_arrays() {
let mut engine = Engine::new();
if let Ok(result) = engine.eval::<i64>("let x = [1, 2, 3]; x[1]") {
assert_eq!(result, 2);
} else {
assert!(false);
}
if let Ok(result) = engine.eval::<i64>("let y = [1, 2, 3]; y[1] = 5; y[1]") {
assert_eq!(result, 5);
} else {
assert!(false);
}
}
#[test]
fn test_array_with_structs() {
#[derive(Clone)]
struct TestStruct {
x: i64,
}
impl TestStruct {
fn update(&mut self) {
self.x += 1000;
}
fn get_x(&mut self) -> i64 {
self.x
}
fn set_x(&mut self, new_x: i64) {
self.x = new_x;
}
fn new() -> TestStruct {
TestStruct { x: 1 }
}
}
let mut engine = Engine::new();
engine.register_type::<TestStruct>();
engine.register_get_set("x", TestStruct::get_x, TestStruct::set_x);
engine.register_fn("update", TestStruct::update);
engine.register_fn("new_ts", TestStruct::new);
if let Ok(result) = engine.eval::<i64>("let a = [new_ts()]; a[0].x") {
assert_eq!(result, 1);
} else {
assert!(false);
}
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if let Ok(result) = engine.eval::<i64>(
"let a = [new_ts()]; a[0].x = 100; a[0].update(); \
a[0].x",
) {
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assert_eq!(result, 1100);
} else {
assert!(false);
}
}