101 lines
2.0 KiB
Rust
101 lines
2.0 KiB
Rust
use rhai::{Engine, EvalAltResult, INT};
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#[test]
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fn test_while() -> Result<(), Box<EvalAltResult>> {
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let engine = Engine::new();
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assert_eq!(
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engine.eval::<INT>(
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"
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let x = 0;
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while x < 10 {
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x += 1;
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if x > 5 { break; }
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if x > 3 { continue; }
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x += 3;
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}
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x
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",
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)?,
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6
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);
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assert_eq!(
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engine.eval::<INT>(
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"
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let x = 0;
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while x < 10 {
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x += 1;
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if x > 5 { break x * 2; }
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if x > 3 { continue; }
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x += 3;
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}
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",
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)?,
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12
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);
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Ok(())
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}
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#[test]
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fn test_do() -> Result<(), Box<EvalAltResult>> {
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let engine = Engine::new();
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assert_eq!(
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engine.eval::<INT>(
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"
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let x = 0;
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do {
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x += 1;
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if x > 5 { break; }
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if x > 3 { continue; }
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x += 3;
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} while x < 10;
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x
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",
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)?,
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6
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);
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assert_eq!(
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engine.eval::<INT>(
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"
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let x = 0;
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do {
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x += 1;
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if x > 5 { break x * 2; }
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if x > 3 { continue; }
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x += 3;
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} while x < 10;
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",
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)?,
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12
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);
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engine.run("do {} while false")?;
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assert_eq!(engine.eval::<INT>("do { break 42; } while false")?, 42);
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Ok(())
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}
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#[cfg(not(feature = "unchecked"))]
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#[test]
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fn test_infinite_loops() -> Result<(), Box<EvalAltResult>> {
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let mut engine = Engine::new();
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engine.set_max_operations(1024);
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assert!(engine.run("loop {}").is_err());
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assert!(engine.run("while true {}").is_err());
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assert!(engine.run("do {} while true").is_err());
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Ok(())
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}
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