assert_eq!(houndred_f32 as i128, 100);
assert_eq!(houndred_f64 as i128, 100);
+ // Test signed 128bit comparing
+ let max = usize::MAX as i128;
+ if 100i128 < 0i128 || 100i128 > max {
+ panic!();
+ }
+
+ test_checked_mul();
+
let _a = 1u32 << 2u8;
let empty: [i32; 0] = [];
Box::pin(move |mut _task_context| {
yield ();
}).as_mut().resume(0);
+
+ #[derive(Copy, Clone)]
+ enum Nums {
+ NegOne = -1,
+ }
+
+ let kind = Nums::NegOne;
+ assert_eq!(-1i128, kind as i128);
}
#[target_feature(enable = "sse2")]
assert_eq!(r2, 3);
}
+fn test_checked_mul() {
+ let u: Option<u8> = u8::from_str_radix("1000", 10).ok();
+ assert_eq!(u, None);
+
+ assert_eq!(1u8.checked_mul(255u8), Some(255u8));
+ assert_eq!(255u8.checked_mul(255u8), None);
+ assert_eq!(1i8.checked_mul(127i8), Some(127i8));
+ assert_eq!(127i8.checked_mul(127i8), None);
+ assert_eq!((-1i8).checked_mul(-127i8), Some(127i8));
+ assert_eq!(1i8.checked_mul(-128i8), Some(-128i8));
+ assert_eq!((-128i8).checked_mul(-128i8), None);
+
+ assert_eq!(1u64.checked_mul(u64::max_value()), Some(u64::max_value()));
+ assert_eq!(u64::max_value().checked_mul(u64::max_value()), None);
+ assert_eq!(1i64.checked_mul(i64::max_value()), Some(i64::max_value()));
+ assert_eq!(i64::max_value().checked_mul(i64::max_value()), None);
+ assert_eq!((-1i64).checked_mul(i64::min_value() + 1), Some(i64::max_value()));
+ assert_eq!(1i64.checked_mul(i64::min_value()), Some(i64::min_value()));
+ assert_eq!(i64::min_value().checked_mul(i64::min_value()), None);
+}
+
#[derive(PartialEq)]
enum LoopState {
Continue(()),