kjuulh/rhai
1
0
Fork 0
Code Issues 1 Pull Requests 1 Packages Projects Releases Wiki Activity

Natively handle negative numbers in tokenizer instead of the neg() function.

Browse Source
This commit is contained in:
Stephen Chung
2020-03-09 10:10:19 +08:00
parent c5b40783ef
commit 01d04f717b
3 changed files with 46 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
tests/math.rs
View File

@@ -21,7 +21,7 @@ fn test_math() -> Result<(), EvalAltResult> {
Err(EvalAltResult::ErrorArithmetic(_, _)) => (),
r => panic!("should return overflow error: {:?}", r),
}
match engine.eval::<i64>("(-9223372036854775807) - 2") {
match engine.eval::<i64>("-9223372036854775808 - 1") {
Err(EvalAltResult::ErrorArithmetic(_, _)) => (),
r => panic!("should return underflow error: {:?}", r),
}

4
tests/unary_minus.rs
View File

@@ -5,8 +5,8 @@ fn test_unary_minus() -> Result<(), EvalAltResult> {
let mut engine = Engine::new();
assert_eq!(engine.eval::<i64>("let x = -5; x")?, -5);
assert_eq!(engine.eval::<i64>("fn n(x) { -x } n(5)")?, -5);
assert_eq!(engine.eval::<i64>("5 - -(-5)")?, 0);
assert_eq!(engine.eval::<i64>("fn neg(x) { -x } neg(5)")?, -5);
assert_eq!(engine.eval::<i64>("5 - -+++--+-5")?, 0);
Ok(())
}