rhai/tests/operations.rs
2021-03-27 18:08:34 +08:00

137 lines
3.0 KiB
Rust

#![cfg(not(feature = "unchecked"))]
use rhai::{Engine, EvalAltResult, INT};
#[test]
fn test_max_operations() -> Result<(), Box<EvalAltResult>> {
let mut engine = Engine::new();
engine.set_max_operations(500);
engine.on_progress(|count| {
if count % 100 == 0 {
println!("{}", count);
}
None
});
engine.eval::<()>("let x = 0; while x < 20 { x += 1; }")?;
assert!(matches!(
*engine
.eval::<()>("for x in range(0, 500) {}")
.expect_err("should error"),
EvalAltResult::ErrorTooManyOperations(_)
));
engine.set_max_operations(0);
engine.eval::<()>("for x in range(0, 10000) {}")?;
Ok(())
}
#[test]
fn test_max_operations_functions() -> Result<(), Box<EvalAltResult>> {
let mut engine = Engine::new();
engine.set_max_operations(500);
engine.on_progress(|count| {
if count % 100 == 0 {
println!("{}", count);
}
None
});
engine.eval::<()>(
r#"
print("Test1");
let x = 0;
while x < 28 {
print(x);
x += 1;
}
"#,
)?;
#[cfg(not(feature = "no_function"))]
engine.eval::<()>(
r#"
print("Test2");
fn inc(x) { x + 1 }
let x = 0;
while x < 20 { x = inc(x); }
"#,
)?;
#[cfg(not(feature = "no_function"))]
assert!(matches!(
*engine
.eval::<()>(
r#"
print("Test3");
fn inc(x) { x + 1 }
let x = 0;
while x < 28 {
print(x);
x = inc(x);
}
"#,
)
.expect_err("should error"),
EvalAltResult::ErrorTooManyOperations(_)
));
Ok(())
}
#[test]
fn test_max_operations_eval() -> Result<(), Box<EvalAltResult>> {
let mut engine = Engine::new();
engine.set_max_operations(500);
engine.on_progress(|count| {
if count % 100 == 0 {
println!("{}", count);
}
None
});
assert!(matches!(
*engine
.eval::<()>(
r#"
let script = "for x in range(0, 500) {}";
eval(script);
"#
)
.expect_err("should error"),
EvalAltResult::ErrorInFunctionCall(_, _, err, _) if matches!(*err, EvalAltResult::ErrorTooManyOperations(_))
));
Ok(())
}
#[test]
fn test_max_operations_progress() -> Result<(), Box<EvalAltResult>> {
let mut engine = Engine::new();
engine.set_max_operations(500);
engine.on_progress(|count| {
if count < 100 {
None
} else {
Some((42 as INT).into())
}
});
assert!(matches!(
*engine
.eval::<()>("for x in range(0, 500) {}")
.expect_err("should error"),
EvalAltResult::ErrorTerminated(x, _) if x.as_int()? == 42
));
Ok(())
}