16 lines
384 B
Rust
16 lines
384 B
Rust
use rhai::{Engine, EvalAltResult, INT};
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#[test]
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fn test_unary_minus() -> Result<(), Box<EvalAltResult>> {
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let engine = Engine::new();
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assert_eq!(engine.eval::<INT>("let x = -5; x")?, -5);
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#[cfg(not(feature = "no_function"))]
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assert_eq!(engine.eval::<INT>("fn neg(x) { -x } neg(5)")?, -5);
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assert_eq!(engine.eval::<INT>("5 - -+ + + - -+-5")?, 0);
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Ok(())
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}
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