| 1 | #![warn (rust_2018_idioms, single_use_lifetimes)] |
| 2 | #![allow (dead_code)] |
| 3 | |
| 4 | #[macro_use ] |
| 5 | mod auxiliary; |
| 6 | |
| 7 | pub mod default { |
| 8 | use std::marker::PhantomPinned; |
| 9 | |
| 10 | use pin_project::pin_project ; |
| 11 | |
| 12 | struct Inner<T> { |
| 13 | f: T, |
| 14 | } |
| 15 | |
| 16 | assert_unpin!(Inner<()>); |
| 17 | assert_not_unpin!(Inner<PhantomPinned>); |
| 18 | |
| 19 | #[pin_project ] |
| 20 | struct Struct<T, U> { |
| 21 | #[pin] |
| 22 | f1: Inner<T>, |
| 23 | f2: U, |
| 24 | } |
| 25 | |
| 26 | assert_unpin!(Struct<(), ()>); |
| 27 | assert_unpin!(Struct<(), PhantomPinned>); |
| 28 | assert_not_unpin!(Struct<PhantomPinned, ()>); |
| 29 | assert_not_unpin!(Struct<PhantomPinned, PhantomPinned>); |
| 30 | |
| 31 | #[pin_project (project = EnumProj, project_ref = EnumProjRef)] |
| 32 | enum Enum<T, U> { |
| 33 | V1 { |
| 34 | #[pin] |
| 35 | f1: Inner<T>, |
| 36 | f2: U, |
| 37 | }, |
| 38 | } |
| 39 | |
| 40 | assert_unpin!(Enum<(), ()>); |
| 41 | assert_unpin!(Enum<(), PhantomPinned>); |
| 42 | assert_not_unpin!(Enum<PhantomPinned, ()>); |
| 43 | assert_not_unpin!(Enum<PhantomPinned, PhantomPinned>); |
| 44 | |
| 45 | #[pin_project ] |
| 46 | struct TrivialBounds { |
| 47 | #[pin] |
| 48 | f: PhantomPinned, |
| 49 | } |
| 50 | |
| 51 | assert_not_unpin!(TrivialBounds); |
| 52 | |
| 53 | #[pin_project ] |
| 54 | struct PinRef<'a, T, U> { |
| 55 | #[pin] |
| 56 | f1: &'a mut Inner<T>, |
| 57 | f2: U, |
| 58 | } |
| 59 | |
| 60 | assert_unpin!(PinRef<'_, PhantomPinned, PhantomPinned>); |
| 61 | } |
| 62 | |
| 63 | pub mod cfg { |
| 64 | use std::marker::PhantomPinned; |
| 65 | |
| 66 | use pin_project::pin_project ; |
| 67 | |
| 68 | #[pin_project ] |
| 69 | struct Foo<T> { |
| 70 | #[cfg (any())] |
| 71 | #[pin] |
| 72 | f: T, |
| 73 | #[cfg (not(any()))] |
| 74 | f: T, |
| 75 | } |
| 76 | |
| 77 | assert_unpin!(Foo<PhantomPinned>); |
| 78 | |
| 79 | #[pin_project ] |
| 80 | struct Bar<T> { |
| 81 | #[cfg (any())] |
| 82 | f: T, |
| 83 | #[cfg (not(any()))] |
| 84 | #[pin] |
| 85 | f: T, |
| 86 | } |
| 87 | |
| 88 | assert_unpin!(Bar<()>); |
| 89 | assert_not_unpin!(Bar<PhantomPinned>); |
| 90 | } |
| 91 | |
| 92 | pub mod cfg_attr { |
| 93 | use std::marker::PhantomPinned; |
| 94 | |
| 95 | use pin_project::pin_project ; |
| 96 | |
| 97 | #[cfg_attr (any(), pin_project)] |
| 98 | struct Foo<T> { |
| 99 | f: T, |
| 100 | } |
| 101 | |
| 102 | assert_unpin!(Foo<()>); |
| 103 | assert_not_unpin!(Foo<PhantomPinned>); |
| 104 | |
| 105 | #[cfg_attr (not(any()), pin_project)] |
| 106 | struct Bar<T> { |
| 107 | #[cfg_attr (not(any()), pin)] |
| 108 | f: T, |
| 109 | } |
| 110 | |
| 111 | assert_unpin!(Bar<()>); |
| 112 | assert_not_unpin!(Bar<PhantomPinned>); |
| 113 | } |
| 114 | |
| 115 | // pin_project(!Unpin) |
| 116 | pub mod not_unpin { |
| 117 | use std::marker::PhantomPinned; |
| 118 | |
| 119 | use pin_project::pin_project ; |
| 120 | |
| 121 | struct Inner<T> { |
| 122 | f: T, |
| 123 | } |
| 124 | |
| 125 | #[pin_project (!Unpin)] |
| 126 | struct Struct<T, U> { |
| 127 | #[pin] |
| 128 | inner: Inner<T>, |
| 129 | other: U, |
| 130 | } |
| 131 | |
| 132 | assert_not_unpin!(Struct<(), ()>); |
| 133 | assert_not_unpin!(Struct<(), PhantomPinned>); |
| 134 | assert_not_unpin!(Struct<PhantomPinned, ()>); |
| 135 | assert_not_unpin!(Struct<PhantomPinned, PhantomPinned>); |
| 136 | |
| 137 | #[pin_project (!Unpin)] |
| 138 | struct TrivialBounds { |
| 139 | #[pin] |
| 140 | f: PhantomPinned, |
| 141 | } |
| 142 | |
| 143 | assert_not_unpin!(TrivialBounds); |
| 144 | |
| 145 | #[pin_project (!Unpin)] |
| 146 | struct PinRef<'a, T, U> { |
| 147 | #[pin] |
| 148 | inner: &'a mut Inner<T>, |
| 149 | other: U, |
| 150 | } |
| 151 | |
| 152 | assert_not_unpin!(PinRef<'_, (), ()>); |
| 153 | } |
| 154 | |