rhai/tests/bool_op.rs

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