148 lines
4.1 KiB
Rust
148 lines
4.1 KiB
Rust
#![cfg_attr(
|
|
all(feature = "luajit", target_os = "macos", target_arch = "x86_64"),
|
|
feature(link_args)
|
|
)]
|
|
|
|
#[cfg_attr(
|
|
all(feature = "luajit", target_os = "macos", target_arch = "x86_64"),
|
|
link_args = "-pagezero_size 10000 -image_base 100000000",
|
|
allow(unused_attributes)
|
|
)]
|
|
extern "system" {}
|
|
|
|
use std::panic::catch_unwind;
|
|
|
|
use mlua::{Error, Function, Lua, Result, Thread, ThreadStatus};
|
|
|
|
#[test]
|
|
fn test_thread() -> Result<()> {
|
|
let lua = Lua::new();
|
|
|
|
let thread = lua.create_thread(
|
|
lua.load(
|
|
r#"
|
|
function (s)
|
|
local sum = s
|
|
for i = 1,4 do
|
|
sum = sum + coroutine.yield(sum)
|
|
end
|
|
return sum
|
|
end
|
|
"#,
|
|
)
|
|
.eval()?,
|
|
)?;
|
|
|
|
assert_eq!(thread.status(), ThreadStatus::Resumable);
|
|
assert_eq!(thread.resume::<_, i64>(0)?, 0);
|
|
assert_eq!(thread.status(), ThreadStatus::Resumable);
|
|
assert_eq!(thread.resume::<_, i64>(1)?, 1);
|
|
assert_eq!(thread.status(), ThreadStatus::Resumable);
|
|
assert_eq!(thread.resume::<_, i64>(2)?, 3);
|
|
assert_eq!(thread.status(), ThreadStatus::Resumable);
|
|
assert_eq!(thread.resume::<_, i64>(3)?, 6);
|
|
assert_eq!(thread.status(), ThreadStatus::Resumable);
|
|
assert_eq!(thread.resume::<_, i64>(4)?, 10);
|
|
assert_eq!(thread.status(), ThreadStatus::Unresumable);
|
|
|
|
let accumulate = lua.create_thread(
|
|
lua.load(
|
|
r#"
|
|
function (sum)
|
|
while true do
|
|
sum = sum + coroutine.yield(sum)
|
|
end
|
|
end
|
|
"#,
|
|
)
|
|
.eval::<Function>()?,
|
|
)?;
|
|
|
|
for i in 0..4 {
|
|
accumulate.resume::<_, ()>(i)?;
|
|
}
|
|
assert_eq!(accumulate.resume::<_, i64>(4)?, 10);
|
|
assert_eq!(accumulate.status(), ThreadStatus::Resumable);
|
|
assert!(accumulate.resume::<_, ()>("error").is_err());
|
|
assert_eq!(accumulate.status(), ThreadStatus::Error);
|
|
|
|
let thread = lua
|
|
.load(
|
|
r#"
|
|
coroutine.create(function ()
|
|
while true do
|
|
coroutine.yield(42)
|
|
end
|
|
end)
|
|
"#,
|
|
)
|
|
.eval::<Thread>()?;
|
|
assert_eq!(thread.status(), ThreadStatus::Resumable);
|
|
assert_eq!(thread.resume::<_, i64>(())?, 42);
|
|
|
|
let thread: Thread = lua
|
|
.load(
|
|
r#"
|
|
coroutine.create(function(arg)
|
|
assert(arg == 42)
|
|
local yieldarg = coroutine.yield(123)
|
|
assert(yieldarg == 43)
|
|
return 987
|
|
end)
|
|
"#,
|
|
)
|
|
.eval()?;
|
|
|
|
assert_eq!(thread.resume::<_, u32>(42)?, 123);
|
|
assert_eq!(thread.resume::<_, u32>(43)?, 987);
|
|
|
|
match thread.resume::<_, u32>(()) {
|
|
Err(Error::CoroutineInactive) => {}
|
|
Err(_) => panic!("resuming dead coroutine error is not CoroutineInactive kind"),
|
|
_ => panic!("resuming dead coroutine did not return error"),
|
|
}
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn coroutine_from_closure() -> Result<()> {
|
|
let lua = Lua::new();
|
|
|
|
let thrd_main = lua.create_function(|_, ()| Ok(()))?;
|
|
lua.globals().set("main", thrd_main)?;
|
|
|
|
#[cfg(any(
|
|
feature = "lua54",
|
|
feature = "lua53",
|
|
feature = "lua52",
|
|
feature = "luajit"
|
|
))]
|
|
let thrd: Thread = lua.load("coroutine.create(main)").eval()?;
|
|
#[cfg(feature = "lua51")]
|
|
let thrd: Thread = lua
|
|
.load("coroutine.create(function(...) return main(unpack(arg)) end)")
|
|
.eval()?;
|
|
|
|
thrd.resume::<_, ()>(())?;
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn coroutine_panic() {
|
|
match catch_unwind(|| -> Result<()> {
|
|
// check that coroutines propagate panics correctly
|
|
let lua = Lua::new();
|
|
let thrd_main = lua.create_function(|_, ()| -> Result<()> {
|
|
panic!("test_panic");
|
|
})?;
|
|
lua.globals().set("main", thrd_main.clone())?;
|
|
let thrd: Thread = lua.create_thread(thrd_main)?;
|
|
thrd.resume(())
|
|
}) {
|
|
Ok(r) => panic!("coroutine panic not propagated, instead returned {:?}", r),
|
|
Err(p) => assert!(*p.downcast::<&str>().unwrap() == "test_panic"),
|
|
}
|
|
}
|