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take() keyword; shared test with registered functions with callbacks

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This commit is contained in:
Ilya Lakhin
2020-07-31 11:41:22 +07:00
parent 060dd33046
commit ca64668e58
6 changed files with 60 additions and 11 deletions
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48
tests/closures.rs
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@@ -116,8 +116,8 @@ fn test_shared() -> Result<(), Box<EvalAltResult>> {
let s = shared("test");
let i = shared(0);
i = 2;
s[i] = 'S';
s
"#
)?,
@@ -283,6 +283,26 @@ fn test_shared() -> Result<(), Box<EvalAltResult>> {
engine.register_fn("update", TestStruct::update);
engine.register_fn("merge", TestStruct::merge);
engine.register_fn("new_ts", TestStruct::new);
engine.
register_raw_fn(
"mutate_with_cb",
&[
TypeId::of::<TestStruct>(),
TypeId::of::<INT>(),
TypeId::of::<FnPtr>(),
],
move |engine: &Engine, lib: &Module, args: &mut [&mut Dynamic]| {
let fp = std::mem::take(args[2]).cast::<FnPtr>();
let mut value = args[1].clone();
{
let mut lock = value.write_lock::<INT>().unwrap();
*lock = *lock + 1;
}
let this_ptr = args.get_mut(0).unwrap();
fp.call_dynamic(engine, lib, Some(this_ptr), [value])
},
);
assert_eq!(
engine.eval::<INT>(
@@ -291,11 +311,33 @@ fn test_shared() -> Result<(), Box<EvalAltResult>> {
a.x = 100;
a.update();
// a.merge(a);
a.merge(a.take()); // take is important to prevent a deadlock
a.x
"
)?,
1100
2200
);
assert_eq!(
engine.eval::<INT>(
r"
let a = shared(new_ts());
let b = shared(100);
a.mutate_with_cb(b, |param| {
this.x = param;
param = 50;
this.update();
});
a.update();
a.x += b;
a.x
"
)?,
2151
);
Ok(())