projects / rustc.git / blame
| Commit | Line | Data |
|---|---|---|
| 3c0e092e XL |
1 | #![feature(portable_simd)] |
| 2 | ||
| 3 | #[cfg(target_arch = "wasm32")] | |
| 4 | use wasm_bindgen_test::*; | |
| 5 | ||
| 6 | #[cfg(target_arch = "wasm32")] | |
| 7 | wasm_bindgen_test_configure!(run_in_browser); | |
| 8 | ||
| 9 | macro_rules! test_mask_api { | |
| 10 | { $type:ident } => { | |
| 11 | #[allow(non_snake_case)] | |
| 12 | mod $type { | |
| 13 | #[cfg(target_arch = "wasm32")] | |
| 14 | use wasm_bindgen_test::*; | |
| 15 | ||
| 16 | #[test] | |
| 17 | #[cfg_attr(target_arch = "wasm32", wasm_bindgen_test)] | |
| 18 | fn set_and_test() { | |
| 19 | let values = [true, false, false, true, false, false, true, false]; | |
| 20 | let mut mask = core_simd::Mask::<$type, 8>::splat(false); | |
| 21 | for (lane, value) in values.iter().copied().enumerate() { | |
| 22 | mask.set(lane, value); | |
| 23 | } | |
| 24 | for (lane, value) in values.iter().copied().enumerate() { | |
| 25 | assert_eq!(mask.test(lane), value); | |
| 26 | } | |
| 27 | } | |
| 28 | ||
| 29 | #[test] | |
| 30 | #[should_panic] | |
| 31 | fn set_invalid_lane() { | |
| 32 | let mut mask = core_simd::Mask::<$type, 8>::splat(false); | |
| 33 | mask.set(8, true); | |
| 34 | let _ = mask; | |
| 35 | } | |
| 36 | ||
| 37 | #[test] | |
| 38 | #[should_panic] | |
| 39 | fn test_invalid_lane() { | |
| 40 | let mask = core_simd::Mask::<$type, 8>::splat(false); | |
| 41 | let _ = mask.test(8); | |
| 42 | } | |
| 43 | ||
| 44 | #[test] | |
| 45 | fn any() { | |
| 46 | assert!(!core_simd::Mask::<$type, 8>::splat(false).any()); | |
| 47 | assert!(core_simd::Mask::<$type, 8>::splat(true).any()); | |
| 48 | let mut v = core_simd::Mask::<$type, 8>::splat(false); | |
| 49 | v.set(2, true); | |
| 50 | assert!(v.any()); | |
| 51 | } | |
| 52 | ||
| 53 | #[test] | |
| 54 | fn all() { | |
| 55 | assert!(!core_simd::Mask::<$type, 8>::splat(false).all()); | |
| 56 | assert!(core_simd::Mask::<$type, 8>::splat(true).all()); | |
| 57 | let mut v = core_simd::Mask::<$type, 8>::splat(false); | |
| 58 | v.set(2, true); | |
| 59 | assert!(!v.all()); | |
| 60 | } | |
| 61 | ||
| 62 | #[test] | |
| 63 | fn roundtrip_int_conversion() { | |
| 64 | let values = [true, false, false, true, false, false, true, false]; | |
| 65 | let mask = core_simd::Mask::<$type, 8>::from_array(values); | |
| 66 | let int = mask.to_int(); | |
| 67 | assert_eq!(int.to_array(), [-1, 0, 0, -1, 0, 0, -1, 0]); | |
| 68 | assert_eq!(core_simd::Mask::<$type, 8>::from_int(int), mask); | |
| 69 | } | |
| 70 | ||
| 3c0e092e XL |
71 | #[test] |
| 72 | fn roundtrip_bitmask_conversion() { | |
| ee023bcb | 73 | use core_simd::ToBitMask; |
| 3c0e092e XL |
74 | let values = [ |
| 75 | true, false, false, true, false, false, true, false, | |
| 76 | true, true, false, false, false, false, false, true, | |
| 77 | ]; | |
| 78 | let mask = core_simd::Mask::<$type, 16>::from_array(values); | |
| 79 | let bitmask = mask.to_bitmask(); | |
| ee023bcb | 80 | assert_eq!(bitmask, 0b1000001101001001); |
| 3c0e092e XL |
81 | assert_eq!(core_simd::Mask::<$type, 16>::from_bitmask(bitmask), mask); |
| 82 | } | |
| 83 | } | |
| 84 | } | |
| 85 | } | |
| 86 | ||
| 87 | mod mask_api { | |
| 88 | test_mask_api! { i8 } | |
| 89 | test_mask_api! { i16 } | |
| 90 | test_mask_api! { i32 } | |
| 91 | test_mask_api! { i64 } | |
| 92 | test_mask_api! { isize } | |
| 93 | } | |
| 94 | ||
| 95 | #[test] | |
| 96 | fn convert() { | |
| 97 | let values = [true, false, false, true, false, false, true, false]; | |
| 98 | assert_eq!( | |
| 99 | core_simd::Mask::<i8, 8>::from_array(values), | |
| 100 | core_simd::Mask::<i32, 8>::from_array(values).into() | |
| 101 | ); | |
| 102 | } |