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Add unchecked feature to remove arithmetic operations checking.

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This commit is contained in:
Stephen Chung
2020-03-08 23:14:18 +08:00
parent b1b25d3043
commit c5b40783ef
4 changed files with 124 additions and 53 deletions
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41
tests/math.rs
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@@ -15,25 +15,28 @@ fn test_math() -> Result<(), EvalAltResult> {
);
// Overflow/underflow/division-by-zero errors
match engine.eval::<i64>("9223372036854775807 + 1") {
Err(EvalAltResult::ErrorArithmetic(_, _)) => (),
r => panic!("should return overflow error: {:?}", r),
}
match engine.eval::<i64>("(-9223372036854775807) - 2") {
Err(EvalAltResult::ErrorArithmetic(_, _)) => (),
r => panic!("should return underflow error: {:?}", r),
}
match engine.eval::<i64>("9223372036854775807 * 9223372036854775807") {
Err(EvalAltResult::ErrorArithmetic(_, _)) => (),
r => panic!("should return overflow error: {:?}", r),
}
match engine.eval::<i64>("9223372036854775807 / 0") {
Err(EvalAltResult::ErrorArithmetic(_, _)) => (),
r => panic!("should return division by zero error: {:?}", r),
}
match engine.eval::<i64>("9223372036854775807 % 0") {
Err(EvalAltResult::ErrorArithmetic(_, _)) => (),
r => panic!("should return division by zero error: {:?}", r),
#[cfg(not(feature = "unchecked"))]
{
match engine.eval::<i64>("9223372036854775807 + 1") {
Err(EvalAltResult::ErrorArithmetic(_, _)) => (),
r => panic!("should return overflow error: {:?}", r),
}
match engine.eval::<i64>("(-9223372036854775807) - 2") {
Err(EvalAltResult::ErrorArithmetic(_, _)) => (),
r => panic!("should return underflow error: {:?}", r),
}
match engine.eval::<i64>("9223372036854775807 * 9223372036854775807") {
Err(EvalAltResult::ErrorArithmetic(_, _)) => (),
r => panic!("should return overflow error: {:?}", r),
}
match engine.eval::<i64>("9223372036854775807 / 0") {
Err(EvalAltResult::ErrorArithmetic(_, _)) => (),
r => panic!("should return division by zero error: {:?}", r),
}
match engine.eval::<i64>("9223372036854775807 % 0") {
Err(EvalAltResult::ErrorArithmetic(_, _)) => (),
r => panic!("should return division by zero error: {:?}", r),
}
}
Ok(())