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#![feature(portable_simd)]
#[cfg(target_arch = "wasm32")]
use wasm_bindgen_test::*;
#[cfg(target_arch = "wasm32")]
wasm_bindgen_test_configure!(run_in_browser);
macro_rules! test_mask_api {
{ $type:ident } => {
#[allow(non_snake_case)]
mod $type {
#[cfg(target_arch = "wasm32")]
use wasm_bindgen_test::*;
use core_simd::simd::Mask;
#[test]
#[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)]
fn set_and_test() {
let values = [true, false, false, true, false, false, true, false];
let mut mask = Mask::<$type, 8>::splat(false);
for (lane, value) in values.iter().copied().enumerate() {
mask.set(lane, value);
}
for (lane, value) in values.iter().copied().enumerate() {
assert_eq!(mask.test(lane), value);
}
}
#[test]
#[should_panic]
fn set_invalid_lane() {
let mut mask = Mask::<$type, 8>::splat(false);
mask.set(8, true);
let _ = mask;
}
#[test]
#[should_panic]
fn test_invalid_lane() {
let mask = Mask::<$type, 8>::splat(false);
let _ = mask.test(8);
}
#[test]
fn any() {
assert!(!Mask::<$type, 8>::splat(false).any());
assert!(Mask::<$type, 8>::splat(true).any());
let mut v = Mask::<$type, 8>::splat(false);
v.set(2, true);
assert!(v.any());
}
#[test]
fn all() {
assert!(!Mask::<$type, 8>::splat(false).all());
assert!(Mask::<$type, 8>::splat(true).all());
let mut v = Mask::<$type, 8>::splat(false);
v.set(2, true);
assert!(!v.all());
}
#[test]
fn roundtrip_int_conversion() {
let values = [true, false, false, true, false, false, true, false];
let mask = Mask::<$type, 8>::from_array(values);
let int = mask.to_int();
assert_eq!(int.to_array(), [-1, 0, 0, -1, 0, 0, -1, 0]);
assert_eq!(Mask::<$type, 8>::from_int(int), mask);
}
#[test]
fn roundtrip_bitmask_conversion() {
use core_simd::simd::ToBitMask;
let values = [
true, false, false, true, false, false, true, false,
true, true, false, false, false, false, false, true,
];
let mask = Mask::<$type, 16>::from_array(values);
let bitmask = mask.to_bitmask();
assert_eq!(bitmask, 0b1000001101001001);
assert_eq!(Mask::<$type, 16>::from_bitmask(bitmask), mask);
}
#[test]
fn roundtrip_bitmask_conversion_short() {
use core_simd::simd::ToBitMask;
let values = [
false, false, false, true,
];
let mask = Mask::<$type, 4>::from_array(values);
let bitmask = mask.to_bitmask();
assert_eq!(bitmask, 0b1000);
assert_eq!(Mask::<$type, 4>::from_bitmask(bitmask), mask);
let values = [true, false];
let mask = Mask::<$type, 2>::from_array(values);
let bitmask = mask.to_bitmask();
assert_eq!(bitmask, 0b01);
assert_eq!(Mask::<$type, 2>::from_bitmask(bitmask), mask);
}
#[test]
fn cast() {
fn cast_impl<T: core_simd::simd::MaskElement>()
where
Mask<$type, 8>: Into<Mask<T, 8>>,
{
let values = [true, false, false, true, false, false, true, false];
let mask = Mask::<$type, 8>::from_array(values);
let cast_mask = mask.cast::<T>();
assert_eq!(values, cast_mask.to_array());
let into_mask: Mask<T, 8> = mask.into();
assert_eq!(values, into_mask.to_array());
}
cast_impl::<i8>();
cast_impl::<i16>();
cast_impl::<i32>();
cast_impl::<i64>();
cast_impl::<isize>();
}
#[cfg(feature = "generic_const_exprs")]
#[test]
fn roundtrip_bitmask_array_conversion() {
use core_simd::simd::ToBitMaskArray;
let values = [
true, false, false, true, false, false, true, false,
true, true, false, false, false, false, false, true,
];
let mask = Mask::<$type, 16>::from_array(values);
let bitmask = mask.to_bitmask_array();
assert_eq!(bitmask, [0b01001001, 0b10000011]);
assert_eq!(Mask::<$type, 16>::from_bitmask_array(bitmask), mask);
}
}
}
}
mod mask_api {
test_mask_api! { i8 }
test_mask_api! { i16 }
test_mask_api! { i32 }
test_mask_api! { i64 }
test_mask_api! { isize }
}
#[test]
fn convert() {
use core_simd::simd::Mask;
let values = [true, false, false, true, false, false, true, false];
assert_eq!(
Mask::<i8, 8>::from_array(values),
Mask::<i32, 8>::from_array(values).into()
);
}
|
