60 lines
1.7 KiB
Rust
60 lines
1.7 KiB
Rust
use rhai::{Engine, EvalAltResult, INT};
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#[cfg(not(feature = "no_float"))]
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use rhai::FLOAT;
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#[cfg(not(feature = "no_float"))]
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const EPSILON: FLOAT = 0.0000000001;
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#[test]
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fn test_power_of() -> Result<(), EvalAltResult> {
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let mut engine = Engine::new();
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assert_eq!(engine.eval::<INT>("2 ~ 3")?, 8);
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assert_eq!(engine.eval::<INT>("(-2 ~ 3)")?, -8);
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#[cfg(not(feature = "no_float"))]
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{
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assert!(
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(engine.eval::<FLOAT>("2.2 ~ 3.3")? - 13.489468760533386 as FLOAT).abs() <= EPSILON
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);
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assert_eq!(engine.eval::<FLOAT>("2.0~-2.0")?, 0.25 as FLOAT);
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assert_eq!(engine.eval::<FLOAT>("(-2.0~-2.0)")?, 0.25 as FLOAT);
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assert_eq!(engine.eval::<FLOAT>("(-2.0~-2)")?, 0.25 as FLOAT);
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assert_eq!(engine.eval::<INT>("4~3")?, 64);
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}
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Ok(())
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}
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#[test]
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fn test_power_of_equals() -> Result<(), EvalAltResult> {
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let mut engine = Engine::new();
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assert_eq!(engine.eval::<INT>("let x = 2; x ~= 3; x")?, 8);
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assert_eq!(engine.eval::<INT>("let x = -2; x ~= 3; x")?, -8);
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#[cfg(not(feature = "no_float"))]
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{
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assert!(
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(engine.eval::<FLOAT>("let x = 2.2; x ~= 3.3; x")? - 13.489468760533386 as FLOAT).abs()
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<= EPSILON
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);
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assert_eq!(
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engine.eval::<FLOAT>("let x = 2.0; x ~= -2.0; x")?,
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0.25 as FLOAT
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);
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assert_eq!(
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engine.eval::<FLOAT>("let x = -2.0; x ~= -2.0; x")?,
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0.25 as FLOAT
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);
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assert_eq!(
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engine.eval::<FLOAT>("let x = -2.0; x ~= -2; x")?,
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0.25 as FLOAT
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);
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assert_eq!(engine.eval::<INT>("let x =4; x ~= 3; x")?, 64);
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}
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Ok(())
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}
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