102 lines
3.4 KiB
Rust
102 lines
3.4 KiB
Rust
use rhai::{Engine, EvalAltResult, INT};
|
|
|
|
#[test]
|
|
fn test_math() -> Result<(), EvalAltResult> {
|
|
let mut engine = Engine::new();
|
|
|
|
assert_eq!(engine.eval::<INT>("1 + 2")?, 3);
|
|
assert_eq!(engine.eval::<INT>("1 - 2")?, -1);
|
|
assert_eq!(engine.eval::<INT>("2 * 3")?, 6);
|
|
assert_eq!(engine.eval::<INT>("1 / 2")?, 0);
|
|
assert_eq!(engine.eval::<INT>("3 % 2")?, 1);
|
|
|
|
#[cfg(not(feature = "only_i32"))]
|
|
assert_eq!(
|
|
engine.eval::<INT>("(-9223372036854775807).abs()")?,
|
|
9223372036854775807
|
|
);
|
|
|
|
#[cfg(feature = "only_i32")]
|
|
assert_eq!(engine.eval::<INT>("(-2147483647).abs()")?, 2147483647);
|
|
|
|
// Overflow/underflow/division-by-zero errors
|
|
#[cfg(not(feature = "unchecked"))]
|
|
{
|
|
#[cfg(not(feature = "only_i32"))]
|
|
{
|
|
assert!(matches!(
|
|
engine
|
|
.eval::<INT>("(-9223372036854775808).abs()")
|
|
.expect_err("expects negation overflow"),
|
|
EvalAltResult::ErrorArithmetic(_, _)
|
|
));
|
|
assert!(matches!(
|
|
engine
|
|
.eval::<INT>("9223372036854775807 + 1")
|
|
.expect_err("expects overflow"),
|
|
EvalAltResult::ErrorArithmetic(_, _)
|
|
));
|
|
assert!(matches!(
|
|
engine
|
|
.eval::<INT>("-9223372036854775808 - 1")
|
|
.expect_err("expects underflow"),
|
|
EvalAltResult::ErrorArithmetic(_, _)
|
|
));
|
|
assert!(matches!(
|
|
engine
|
|
.eval::<INT>("9223372036854775807 * 9223372036854775807")
|
|
.expect_err("expects overflow"),
|
|
EvalAltResult::ErrorArithmetic(_, _)
|
|
));
|
|
assert!(matches!(
|
|
engine
|
|
.eval::<INT>("9223372036854775807 / 0")
|
|
.expect_err("expects division by zero"),
|
|
EvalAltResult::ErrorArithmetic(_, _)
|
|
));
|
|
assert!(matches!(
|
|
engine
|
|
.eval::<INT>("9223372036854775807 % 0")
|
|
.expect_err("expects division by zero"),
|
|
EvalAltResult::ErrorArithmetic(_, _)
|
|
));
|
|
}
|
|
|
|
#[cfg(feature = "only_i32")]
|
|
{
|
|
assert!(matches!(
|
|
engine
|
|
.eval::<INT>("2147483647 + 1")
|
|
.expect_err("expects overflow"),
|
|
EvalAltResult::ErrorArithmetic(_, _)
|
|
));
|
|
assert!(matches!(
|
|
engine
|
|
.eval::<INT>("-2147483648 - 1")
|
|
.expect_err("expects underflow"),
|
|
EvalAltResult::ErrorArithmetic(_, _)
|
|
));
|
|
assert!(matches!(
|
|
engine
|
|
.eval::<INT>("2147483647 * 2147483647")
|
|
.expect_err("expects overflow"),
|
|
EvalAltResult::ErrorArithmetic(_, _)
|
|
));
|
|
assert!(matches!(
|
|
engine
|
|
.eval::<INT>("2147483647 / 0")
|
|
.expect_err("expects division by zero"),
|
|
EvalAltResult::ErrorArithmetic(_, _)
|
|
));
|
|
assert!(matches!(
|
|
engine
|
|
.eval::<INT>("2147483647 % 0")
|
|
.expect_err("expects division by zero"),
|
|
EvalAltResult::ErrorArithmetic(_, _)
|
|
));
|
|
}
|
|
}
|
|
|
|
Ok(())
|
|
}
|