68 lines
1.8 KiB
Rust
68 lines
1.8 KiB
Rust
#![cfg(not(feature = "no_optimize"))]
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use rhai::{Engine, EvalAltResult, OptimizationLevel, RegisterFn, INT};
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#[test]
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fn test_optimizer_run() -> Result<(), Box<EvalAltResult>> {
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fn run_test(engine: &mut Engine) -> Result<(), Box<EvalAltResult>> {
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assert_eq!(engine.eval::<INT>(r"if true { 42 } else { 123 }")?, 42);
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assert_eq!(
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engine.eval::<INT>(r"if 1 == 1 || 2 > 3 { 42 } else { 123 }")?,
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42
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);
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assert_eq!(
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engine.eval::<INT>(r#"const abc = "hello"; if abc < "foo" { 42 } else { 123 }"#)?,
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123
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);
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Ok(())
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}
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let mut engine = Engine::new();
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engine.set_optimization_level(OptimizationLevel::None);
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run_test(&mut engine)?;
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engine.set_optimization_level(OptimizationLevel::Simple);
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run_test(&mut engine)?;
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engine.set_optimization_level(OptimizationLevel::Full);
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run_test(&mut engine)?;
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// Override == operator
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engine.register_fn("==", |_x: INT, _y: INT| false);
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engine.set_optimization_level(OptimizationLevel::Simple);
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assert_eq!(
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engine.eval::<INT>(r"if 1 == 1 || 2 > 3 { 42 } else { 123 }")?,
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123
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);
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engine.set_optimization_level(OptimizationLevel::Full);
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assert_eq!(
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engine.eval::<INT>(r"if 1 == 1 || 2 > 3 { 42 } else { 123 }")?,
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123
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);
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Ok(())
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}
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#[test]
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fn test_optimizer_parse() -> Result<(), Box<EvalAltResult>> {
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let mut engine = Engine::new();
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engine.set_optimization_level(OptimizationLevel::Simple);
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let ast = engine.compile("{ const DECISION = false; if DECISION { 42 } }")?;
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assert!(format!("{:?}", ast).starts_with("AST([], Module("));
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engine.set_optimization_level(OptimizationLevel::Full);
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let ast = engine.compile("if 1 == 2 { 42 }")?;
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assert!(format!("{:?}", ast).starts_with("AST([], Module("));
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Ok(())
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}
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