23 lines
702 B
Rust
23 lines
702 B
Rust
use rhai::{Engine, EvalAltResult};
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#[test]
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fn test_constant() -> Result<(), EvalAltResult> {
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let mut engine = Engine::new();
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assert_eq!(engine.eval::<i64>("const x = 123; x")?, 123);
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match engine.eval::<i64>("const x = 123; x = 42;") {
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Err(EvalAltResult::ErrorAssignmentToConstant(var, _)) if var == "x" => (),
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Err(err) => return Err(err),
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Ok(_) => panic!("expecting compilation error"),
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}
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match engine.eval::<i64>("const x = [1, 2, 3, 4, 5]; x[2] = 42;") {
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Err(EvalAltResult::ErrorAssignmentToConstant(var, _)) if var == "x" => (),
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Err(err) => return Err(err),
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Ok(_) => panic!("expecting compilation error"),
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}
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Ok(())
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}
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