Add evaluate expressions.
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25
tests/expressions.rs
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25
tests/expressions.rs
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use rhai::{Engine, EvalAltResult, Scope, INT};
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#[test]
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fn test_expressions() -> Result<(), EvalAltResult> {
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let mut engine = Engine::new();
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let mut scope = Scope::new();
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scope.push("x", 10 as INT);
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assert_eq!(engine.eval_expression::<INT>("2 + (10 + 10) * 2")?, 42);
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assert_eq!(
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engine.eval_expression_with_scope::<INT>(&mut scope, "2 + (x + 10) * 2")?,
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42
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);
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assert!(engine.eval_expression::<()>("40 + 2;").is_err());
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assert!(engine.eval_expression::<()>("40 + { 2 }").is_err());
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assert!(engine.eval_expression::<()>("x = 42").is_err());
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assert!(engine.compile_expression("let x = 42").is_err());
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assert!(engine
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.eval_expression_with_scope::<INT>(&mut scope, "if x > 0 { 42 } else { 123 }")
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.is_err());
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Ok(())
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}
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