rhai/tests/bool_op.rs

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