rhai/tests/bool_op.rs
2021-04-20 12:01:35 +08:00

89 lines
1.8 KiB
Rust

use rhai::{Engine, EvalAltResult};
#[test]
fn test_bool_op1() -> Result<(), Box<EvalAltResult>> {
let engine = Engine::new();
assert_eq!(engine.eval::<bool>("true && (false || true)")?, true);
assert_eq!(engine.eval::<bool>("true & (false | true)")?, true);
Ok(())
}
#[test]
fn test_bool_op2() -> Result<(), Box<EvalAltResult>> {
let engine = Engine::new();
assert_eq!(engine.eval::<bool>("false && (false || true)")?, false);
assert_eq!(engine.eval::<bool>("false & (false | true)")?, false);
Ok(())
}
#[test]
fn test_bool_op3() -> Result<(), Box<EvalAltResult>> {
let engine = Engine::new();
assert!(engine.eval::<bool>("true && (false || 123)").is_err());
assert_eq!(engine.eval::<bool>("true && (true || 123)")?, true);
assert!(engine.eval::<bool>("123 && (false || true)").is_err());
assert_eq!(engine.eval::<bool>("false && (true || 123)")?, false);
Ok(())
}
#[test]
fn test_bool_op_short_circuit() -> Result<(), Box<EvalAltResult>> {
let engine = Engine::new();
assert_eq!(
engine.eval::<bool>(
"
let x = true;
x || { throw; };
"
)?,
true
);
assert_eq!(
engine.eval::<bool>(
"
let x = false;
x && { throw; };
"
)?,
false
);
Ok(())
}
#[test]
fn test_bool_op_no_short_circuit1() {
let engine = Engine::new();
assert!(engine
.eval::<bool>(
"
let x = true;
x | { throw; }
"
)
.is_err());
}
#[test]
fn test_bool_op_no_short_circuit2() {
let engine = Engine::new();
assert!(engine
.eval::<bool>(
"
let x = false;
x & { throw; }
"
)
.is_err());
}