123 lines
2.7 KiB
Rust
123 lines
2.7 KiB
Rust
#![cfg(not(feature = "no_function"))]
|
|
use rhai::{Engine, EvalAltResult, INT};
|
|
|
|
#[test]
|
|
fn test_functions() -> Result<(), Box<EvalAltResult>> {
|
|
let engine = Engine::new();
|
|
|
|
assert_eq!(engine.eval::<INT>("fn add(x, n) { x + n } add(40, 2)")?, 42);
|
|
|
|
assert_eq!(
|
|
engine.eval::<INT>("fn add(x, n,) { x + n } add(40, 2,)")?,
|
|
42
|
|
);
|
|
|
|
assert_eq!(
|
|
engine.eval::<INT>("fn add(x, n) { x + n } let a = 40; add(a, 2); a")?,
|
|
40
|
|
);
|
|
|
|
#[cfg(not(feature = "no_object"))]
|
|
assert_eq!(
|
|
engine.eval::<INT>("fn add(n) { this + n } let x = 40; x.add(2)")?,
|
|
42
|
|
);
|
|
|
|
#[cfg(not(feature = "no_object"))]
|
|
assert_eq!(
|
|
engine.eval::<INT>("fn add(n) { this += n; } let x = 40; x.add(2); x")?,
|
|
42
|
|
);
|
|
|
|
assert_eq!(engine.eval::<INT>("fn mul2(x) { x * 2 } mul2(21)")?, 42);
|
|
|
|
assert_eq!(
|
|
engine.eval::<INT>("fn mul2(x) { x *= 2 } let a = 21; mul2(a); a")?,
|
|
21
|
|
);
|
|
|
|
#[cfg(not(feature = "no_object"))]
|
|
assert_eq!(
|
|
engine.eval::<INT>("fn mul2() { this * 2 } let x = 21; x.mul2()")?,
|
|
42
|
|
);
|
|
|
|
#[cfg(not(feature = "no_object"))]
|
|
assert_eq!(
|
|
engine.eval::<INT>("fn mul2() { this *= 2; } let x = 21; x.mul2(); x")?,
|
|
42
|
|
);
|
|
|
|
Ok(())
|
|
}
|
|
|
|
#[test]
|
|
fn test_function_pointers() -> Result<(), Box<EvalAltResult>> {
|
|
let engine = Engine::new();
|
|
|
|
assert_eq!(engine.eval::<String>(r#"type_of(Fn("abc"))"#)?, "Fn");
|
|
|
|
assert_eq!(
|
|
engine.eval::<INT>(
|
|
r#"
|
|
fn foo(x) { 40 + x }
|
|
|
|
let f = Fn("foo");
|
|
call(f, 2)
|
|
"#
|
|
)?,
|
|
42
|
|
);
|
|
|
|
#[cfg(not(feature = "no_object"))]
|
|
assert_eq!(
|
|
engine.eval::<INT>(
|
|
r#"
|
|
fn foo(x) { 40 + x }
|
|
|
|
let fn_name = "f";
|
|
fn_name += "oo";
|
|
|
|
let f = Fn(fn_name);
|
|
f.call(2)
|
|
"#
|
|
)?,
|
|
42
|
|
);
|
|
|
|
#[cfg(not(feature = "no_object"))]
|
|
assert!(matches!(
|
|
*engine.eval::<INT>(r#"let f = Fn("abc"); f.call(0)"#).expect_err("should error"),
|
|
EvalAltResult::ErrorFunctionNotFound(f, _) if f.starts_with("abc (")
|
|
));
|
|
|
|
#[cfg(not(feature = "no_object"))]
|
|
assert_eq!(
|
|
engine.eval::<INT>(
|
|
r#"
|
|
fn foo(x) { 40 + x }
|
|
|
|
let x = #{ action: Fn("foo") };
|
|
x.action.call(2)
|
|
"#
|
|
)?,
|
|
42
|
|
);
|
|
|
|
#[cfg(not(feature = "no_object"))]
|
|
assert_eq!(
|
|
engine.eval::<INT>(
|
|
r#"
|
|
fn foo(x) { this.data += x; }
|
|
|
|
let x = #{ data: 40, action: Fn("foo") };
|
|
x.action(2);
|
|
x.data
|
|
"#
|
|
)?,
|
|
42
|
|
);
|
|
|
|
Ok(())
|
|
}
|