diff options
Diffstat (limited to 'tests')
55 files changed, 1020 insertions, 57 deletions
diff --git a/tests/codegen/inherit_overflow.rs b/tests/codegen/inherit_overflow.rs new file mode 100644 index 00000000000..0b0b890b2c9 --- /dev/null +++ b/tests/codegen/inherit_overflow.rs @@ -0,0 +1,14 @@ +// compile-flags: -Zmir-enable-passes=+Inline,+ConstProp --crate-type lib +// revisions: ASSERT NOASSERT +//[ASSERT] compile-flags: -Coverflow-checks=on +//[NOASSERT] compile-flags: -Coverflow-checks=off + +// CHECK-LABEL: define{{.*}} @assertion +// ASSERT: call void @_ZN4core9panicking5panic17h +// NOASSERT: ret i8 0 +#[no_mangle] +pub fn assertion() -> u8 { + // Optimized MIR will replace this `CheckedBinaryOp` by `const (0, true)`. + // Verify that codegen does or does not emit the panic. + <u8 as std::ops::Add>::add(255, 1) +} diff --git a/tests/mir-opt/const_prop/bad_op_div_by_zero.main.ConstProp.diff b/tests/mir-opt/const_prop/bad_op_div_by_zero.main.ConstProp.diff index bea32a67ef4..900061a484b 100644 --- a/tests/mir-opt/const_prop/bad_op_div_by_zero.main.ConstProp.diff +++ b/tests/mir-opt/const_prop/bad_op_div_by_zero.main.ConstProp.diff @@ -24,9 +24,10 @@ StorageLive(_3); // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:18: +2:19 - _3 = _1; // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:18: +2:19 - _4 = Eq(_3, const 0_i32); // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19 +- assert(!move _4, "attempt to divide `{}` by zero", const 1_i32) -> bb1; // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19 + _3 = const 0_i32; // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:18: +2:19 + _4 = const true; // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19 - assert(!move _4, "attempt to divide `{}` by zero", const 1_i32) -> bb1; // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19 ++ assert(!const true, "attempt to divide `{}` by zero", const 1_i32) -> bb1; // scope 1 at $DIR/bad_op_div_by_zero.rs:+2:14: +2:19 } bb1: { diff --git a/tests/mir-opt/const_prop/inherit_overflow.main.ConstProp.diff b/tests/mir-opt/const_prop/inherit_overflow.main.ConstProp.diff new file mode 100644 index 00000000000..d03c23a3fb5 --- /dev/null +++ b/tests/mir-opt/const_prop/inherit_overflow.main.ConstProp.diff @@ -0,0 +1,39 @@ +- // MIR for `main` before ConstProp ++ // MIR for `main` after ConstProp + + fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/inherit_overflow.rs:+0:11: +0:11 + let mut _1: u8; // in scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + let mut _2: u8; // in scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + let mut _3: u8; // in scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + scope 1 { + } + scope 2 (inlined <u8 as Add>::add) { // at $DIR/inherit_overflow.rs:8:13: 8:47 + debug self => _2; // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL + debug other => _3; // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL + let mut _4: (u8, bool); // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL + } + + bb0: { + StorageLive(_1); // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + StorageLive(_2); // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + _2 = const u8::MAX; // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + StorageLive(_3); // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + _3 = const 1_u8; // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 +- _4 = CheckedAdd(_2, _3); // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL +- assert(!move (_4.1: bool), "attempt to compute `{} + {}`, which would overflow", _2, _3) -> bb1; // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL ++ _4 = const (0_u8, true); // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL ++ assert(!const true, "attempt to compute `{} + {}`, which would overflow", _2, _3) -> bb1; // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL + } + + bb1: { +- _1 = move (_4.0: u8); // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL ++ _1 = const 0_u8; // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL + StorageDead(_3); // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + StorageDead(_2); // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + StorageDead(_1); // scope 0 at $DIR/inherit_overflow.rs:+3:47: +3:48 + _0 = const (); // scope 0 at $DIR/inherit_overflow.rs:+0:11: +4:2 + return; // scope 0 at $DIR/inherit_overflow.rs:+4:2: +4:2 + } + } + diff --git a/tests/mir-opt/const_prop/inherit_overflow.rs b/tests/mir-opt/const_prop/inherit_overflow.rs new file mode 100644 index 00000000000..541a8c5c3af --- /dev/null +++ b/tests/mir-opt/const_prop/inherit_overflow.rs @@ -0,0 +1,9 @@ +// unit-test: ConstProp +// compile-flags: -Zmir-enable-passes=+Inline + +// EMIT_MIR inherit_overflow.main.ConstProp.diff +fn main() { + // After inlining, this will contain a `CheckedBinaryOp`. + // Propagating the overflow is ok as codegen will just skip emitting the panic. + let _ = <u8 as std::ops::Add>::add(255, 1); +} diff --git a/tests/mir-opt/dataflow-const-prop/checked.main.DataflowConstProp.diff b/tests/mir-opt/dataflow-const-prop/checked.main.DataflowConstProp.diff index a4ebd0c8c18..944afed8f46 100644 --- a/tests/mir-opt/dataflow-const-prop/checked.main.DataflowConstProp.diff +++ b/tests/mir-opt/dataflow-const-prop/checked.main.DataflowConstProp.diff @@ -61,7 +61,7 @@ - assert(!move (_10.1: bool), "attempt to compute `{} + {}`, which would overflow", move _9, const 1_i32) -> bb2; // scope 4 at $DIR/checked.rs:+6:13: +6:18 + _9 = const i32::MAX; // scope 4 at $DIR/checked.rs:+6:13: +6:14 + _10 = CheckedAdd(const i32::MAX, const 1_i32); // scope 4 at $DIR/checked.rs:+6:13: +6:18 -+ assert(!move (_10.1: bool), "attempt to compute `{} + {}`, which would overflow", const i32::MAX, const 1_i32) -> bb2; // scope 4 at $DIR/checked.rs:+6:13: +6:18 ++ assert(!const true, "attempt to compute `{} + {}`, which would overflow", const i32::MAX, const 1_i32) -> bb2; // scope 4 at $DIR/checked.rs:+6:13: +6:18 } bb2: { diff --git a/tests/mir-opt/dataflow-const-prop/inherit_overflow.main.DataflowConstProp.diff b/tests/mir-opt/dataflow-const-prop/inherit_overflow.main.DataflowConstProp.diff index 33122f465fe..29781e9ce18 100644 --- a/tests/mir-opt/dataflow-const-prop/inherit_overflow.main.DataflowConstProp.diff +++ b/tests/mir-opt/dataflow-const-prop/inherit_overflow.main.DataflowConstProp.diff @@ -5,26 +5,34 @@ let mut _0: (); // return place in scope 0 at $DIR/inherit_overflow.rs:+0:11: +0:11 let mut _1: u8; // in scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 let mut _2: u8; // in scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + let mut _3: u8; // in scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 scope 1 { } - scope 2 (inlined <u8 as Add>::add) { // at $DIR/inherit_overflow.rs:7:13: 7:47 - debug self => _1; // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL - debug other => _2; // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL - let mut _3: (u8, bool); // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL + scope 2 (inlined <u8 as Add>::add) { // at $DIR/inherit_overflow.rs:8:13: 8:47 + debug self => _2; // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL + debug other => _3; // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL + let mut _4: (u8, bool); // in scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL } bb0: { StorageLive(_1); // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 - _1 = const u8::MAX; // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 StorageLive(_2); // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 - _2 = const 1_u8; // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 - _3 = CheckedAdd(const u8::MAX, const 1_u8); // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL - assert(!move (_3.1: bool), "attempt to compute `{} + {}`, which would overflow", const u8::MAX, const 1_u8) -> bb1; // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL + _2 = const u8::MAX; // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + StorageLive(_3); // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + _3 = const 1_u8; // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 +- _4 = CheckedAdd(_2, _3); // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL +- assert(!move (_4.1: bool), "attempt to compute `{} + {}`, which would overflow", _2, _3) -> bb1; // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL ++ _4 = CheckedAdd(const u8::MAX, const 1_u8); // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL ++ assert(!const true, "attempt to compute `{} + {}`, which would overflow", const u8::MAX, const 1_u8) -> bb1; // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL } bb1: { +- _1 = move (_4.0: u8); // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL ++ _1 = const 0_u8; // scope 2 at $SRC_DIR/core/src/ops/arith.rs:LL:COL + StorageDead(_3); // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 StorageDead(_2); // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 - StorageDead(_1); // scope 0 at $DIR/inherit_overflow.rs:+3:13: +3:47 + StorageDead(_1); // scope 0 at $DIR/inherit_overflow.rs:+3:47: +3:48 + _0 = const (); // scope 0 at $DIR/inherit_overflow.rs:+0:11: +4:2 return; // scope 0 at $DIR/inherit_overflow.rs:+4:2: +4:2 } } diff --git a/tests/mir-opt/dataflow-const-prop/inherit_overflow.rs b/tests/mir-opt/dataflow-const-prop/inherit_overflow.rs index 2f2d9d0102d..f4aba60f0c8 100644 --- a/tests/mir-opt/dataflow-const-prop/inherit_overflow.rs +++ b/tests/mir-opt/dataflow-const-prop/inherit_overflow.rs @@ -1,8 +1,9 @@ -// compile-flags: -Zunsound-mir-opts +// unit-test: DataflowConstProp +// compile-flags: -Zmir-enable-passes=+Inline // EMIT_MIR inherit_overflow.main.DataflowConstProp.diff fn main() { - // After inlining, this will contain a `CheckedBinaryOp`. The overflow - // must be ignored by the constant propagation to avoid triggering a panic. + // After inlining, this will contain a `CheckedBinaryOp`. + // Propagating the overflow is ok as codegen will just skip emitting the panic. let _ = <u8 as std::ops::Add>::add(255, 1); } diff --git a/tests/mir-opt/lower_intrinsics.rs b/tests/mir-opt/lower_intrinsics.rs index 66dae0e46b9..7147be43ca5 100644 --- a/tests/mir-opt/lower_intrinsics.rs +++ b/tests/mir-opt/lower_intrinsics.rs @@ -72,3 +72,10 @@ pub fn assume() { std::intrinsics::assume(true); } } + +// EMIT_MIR lower_intrinsics.with_overflow.LowerIntrinsics.diff +pub fn with_overflow(a: i32, b: i32) { + let _x = core::intrinsics::add_with_overflow(a, b); + let _y = core::intrinsics::sub_with_overflow(a, b); + let _z = core::intrinsics::mul_with_overflow(a, b); +} diff --git a/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.diff new file mode 100644 index 00000000000..9870a70dec5 --- /dev/null +++ b/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.diff @@ -0,0 +1,83 @@ +- // MIR for `with_overflow` before LowerIntrinsics ++ // MIR for `with_overflow` after LowerIntrinsics + + fn with_overflow(_1: i32, _2: i32) -> () { + debug a => _1; // in scope 0 at $DIR/lower_intrinsics.rs:+0:22: +0:23 + debug b => _2; // in scope 0 at $DIR/lower_intrinsics.rs:+0:30: +0:31 + let mut _0: (); // return place in scope 0 at $DIR/lower_intrinsics.rs:+0:38: +0:38 + let _3: (i32, bool); // in scope 0 at $DIR/lower_intrinsics.rs:+1:9: +1:11 + let mut _4: i32; // in scope 0 at $DIR/lower_intrinsics.rs:+1:50: +1:51 + let mut _5: i32; // in scope 0 at $DIR/lower_intrinsics.rs:+1:53: +1:54 + let mut _7: i32; // in scope 0 at $DIR/lower_intrinsics.rs:+2:50: +2:51 + let mut _8: i32; // in scope 0 at $DIR/lower_intrinsics.rs:+2:53: +2:54 + let mut _10: i32; // in scope 0 at $DIR/lower_intrinsics.rs:+3:50: +3:51 + let mut _11: i32; // in scope 0 at $DIR/lower_intrinsics.rs:+3:53: +3:54 + scope 1 { + debug _x => _3; // in scope 1 at $DIR/lower_intrinsics.rs:+1:9: +1:11 + let _6: (i32, bool); // in scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:11 + scope 2 { + debug _y => _6; // in scope 2 at $DIR/lower_intrinsics.rs:+2:9: +2:11 + let _9: (i32, bool); // in scope 2 at $DIR/lower_intrinsics.rs:+3:9: +3:11 + scope 3 { + debug _z => _9; // in scope 3 at $DIR/lower_intrinsics.rs:+3:9: +3:11 + } + } + } + + bb0: { + StorageLive(_3); // scope 0 at $DIR/lower_intrinsics.rs:+1:9: +1:11 + StorageLive(_4); // scope 0 at $DIR/lower_intrinsics.rs:+1:50: +1:51 + _4 = _1; // scope 0 at $DIR/lower_intrinsics.rs:+1:50: +1:51 + StorageLive(_5); // scope 0 at $DIR/lower_intrinsics.rs:+1:53: +1:54 + _5 = _2; // scope 0 at $DIR/lower_intrinsics.rs:+1:53: +1:54 +- _3 = add_with_overflow::<i32>(move _4, move _5) -> bb1; // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:55 +- // mir::Constant +- // + span: $DIR/lower_intrinsics.rs:78:14: 78:49 +- // + literal: Const { ty: extern "rust-intrinsic" fn(i32, i32) -> (i32, bool) {add_with_overflow::<i32>}, val: Value(<ZST>) } ++ _3 = CheckedAdd(move _4, move _5); // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:55 ++ goto -> bb1; // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:55 + } + + bb1: { + StorageDead(_5); // scope 0 at $DIR/lower_intrinsics.rs:+1:54: +1:55 + StorageDead(_4); // scope 0 at $DIR/lower_intrinsics.rs:+1:54: +1:55 + StorageLive(_6); // scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:11 + StorageLive(_7); // scope 1 at $DIR/lower_intrinsics.rs:+2:50: +2:51 + _7 = _1; // scope 1 at $DIR/lower_intrinsics.rs:+2:50: +2:51 + StorageLive(_8); // scope 1 at $DIR/lower_intrinsics.rs:+2:53: +2:54 + _8 = _2; // scope 1 at $DIR/lower_intrinsics.rs:+2:53: +2:54 +- _6 = sub_with_overflow::<i32>(move _7, move _8) -> bb2; // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:55 +- // mir::Constant +- // + span: $DIR/lower_intrinsics.rs:79:14: 79:49 +- // + literal: Const { ty: extern "rust-intrinsic" fn(i32, i32) -> (i32, bool) {sub_with_overflow::<i32>}, val: Value(<ZST>) } ++ _6 = CheckedSub(move _7, move _8); // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:55 ++ goto -> bb2; // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:55 + } + + bb2: { + StorageDead(_8); // scope 1 at $DIR/lower_intrinsics.rs:+2:54: +2:55 + StorageDead(_7); // scope 1 at $DIR/lower_intrinsics.rs:+2:54: +2:55 + StorageLive(_9); // scope 2 at $DIR/lower_intrinsics.rs:+3:9: +3:11 + StorageLive(_10); // scope 2 at $DIR/lower_intrinsics.rs:+3:50: +3:51 + _10 = _1; // scope 2 at $DIR/lower_intrinsics.rs:+3:50: +3:51 + StorageLive(_11); // scope 2 at $DIR/lower_intrinsics.rs:+3:53: +3:54 + _11 = _2; // scope 2 at $DIR/lower_intrinsics.rs:+3:53: +3:54 +- _9 = mul_with_overflow::<i32>(move _10, move _11) -> bb3; // scope 2 at $DIR/lower_intrinsics.rs:+3:14: +3:55 +- // mir::Constant +- // + span: $DIR/lower_intrinsics.rs:80:14: 80:49 +- // + literal: Const { ty: extern "rust-intrinsic" fn(i32, i32) -> (i32, bool) {mul_with_overflow::<i32>}, val: Value(<ZST>) } ++ _9 = CheckedMul(move _10, move _11); // scope 2 at $DIR/lower_intrinsics.rs:+3:14: +3:55 ++ goto -> bb3; // scope 2 at $DIR/lower_intrinsics.rs:+3:14: +3:55 + } + + bb3: { + StorageDead(_11); // scope 2 at $DIR/lower_intrinsics.rs:+3:54: +3:55 + StorageDead(_10); // scope 2 at $DIR/lower_intrinsics.rs:+3:54: +3:55 + _0 = const (); // scope 0 at $DIR/lower_intrinsics.rs:+0:38: +4:2 + StorageDead(_9); // scope 2 at $DIR/lower_intrinsics.rs:+4:1: +4:2 + StorageDead(_6); // scope 1 at $DIR/lower_intrinsics.rs:+4:1: +4:2 + StorageDead(_3); // scope 0 at $DIR/lower_intrinsics.rs:+4:1: +4:2 + return; // scope 0 at $DIR/lower_intrinsics.rs:+4:2: +4:2 + } + } + diff --git a/tests/rustdoc-json/reexport/same_name_different_types.rs b/tests/rustdoc-json/reexport/same_name_different_types.rs new file mode 100644 index 00000000000..2314a4eb909 --- /dev/null +++ b/tests/rustdoc-json/reexport/same_name_different_types.rs @@ -0,0 +1,25 @@ +// Regression test for <https://github.com/rust-lang/rust/issues/107677>. + +#![feature(no_core)] +#![no_core] + +pub mod nested { + // @set foo_struct = "$.index[*][?(@.docs == 'Foo the struct')].id" + + /// Foo the struct + pub struct Foo {} + + // @set foo_fn = "$.index[*][?(@.docs == 'Foo the function')].id" + + #[allow(non_snake_case)] + /// Foo the function + pub fn Foo() {} +} + +// @ismany "$.index[*][?(@.inner.name == 'Foo' && @.kind == 'import')].inner.id" $foo_fn $foo_struct +// @ismany "$.index[*][?(@.inner.name == 'Bar' && @.kind == 'import')].inner.id" $foo_fn $foo_struct + +// @count "$.index[*][?(@.inner.name == 'Foo' && @.kind == 'import')]" 2 +pub use nested::Foo; +// @count "$.index[*][?(@.inner.name == 'Bar' && @.kind == 'import')]" 2 +pub use Foo as Bar; diff --git a/tests/rustdoc-ui/check-fail.rs b/tests/rustdoc-ui/check-fail.rs index c5e1759ee2d..02632b4ce7d 100644 --- a/tests/rustdoc-ui/check-fail.rs +++ b/tests/rustdoc-ui/check-fail.rs @@ -2,6 +2,7 @@ #![feature(rustdoc_missing_doc_code_examples)] #![deny(missing_docs)] +#![deny(rustdoc::missing_doc_code_examples)] #![deny(rustdoc::all)] //! ```rust,testharness diff --git a/tests/rustdoc-ui/check-fail.stderr b/tests/rustdoc-ui/check-fail.stderr index d8aeccbfc31..f05e457af64 100644 --- a/tests/rustdoc-ui/check-fail.stderr +++ b/tests/rustdoc-ui/check-fail.stderr @@ -1,5 +1,5 @@ error: missing documentation for a function - --> $DIR/check-fail.rs:12:1 + --> $DIR/check-fail.rs:13:1 | LL | pub fn foo() {} | ^^^^^^^^^^^^ @@ -11,7 +11,7 @@ LL | #![deny(missing_docs)] | ^^^^^^^^^^^^ error: missing code example in this documentation - --> $DIR/check-fail.rs:12:1 + --> $DIR/check-fail.rs:13:1 | LL | pub fn foo() {} | ^^^^^^^^^^^^^^^ @@ -19,12 +19,11 @@ LL | pub fn foo() {} note: the lint level is defined here --> $DIR/check-fail.rs:5:9 | -LL | #![deny(rustdoc::all)] - | ^^^^^^^^^^^^ - = note: `#[deny(rustdoc::missing_doc_code_examples)]` implied by `#[deny(rustdoc::all)]` +LL | #![deny(rustdoc::missing_doc_code_examples)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: unknown attribute `testharness`. Did you mean `test_harness`? - --> $DIR/check-fail.rs:7:1 + --> $DIR/check-fail.rs:8:1 | LL | / //! ```rust,testharness LL | | @@ -33,10 +32,15 @@ LL | | //! ``` | |_______^ | = help: the code block will either not be tested if not marked as a rust one or the code will be wrapped inside a main function +note: the lint level is defined here + --> $DIR/check-fail.rs:6:9 + | +LL | #![deny(rustdoc::all)] + | ^^^^^^^^^^^^ = note: `#[deny(rustdoc::invalid_codeblock_attributes)]` implied by `#[deny(rustdoc::all)]` error: unknown attribute `testharness`. Did you mean `test_harness`? - --> $DIR/check-fail.rs:16:1 + --> $DIR/check-fail.rs:17:1 | LL | / /// hello LL | | diff --git a/tests/rustdoc-ui/check.rs b/tests/rustdoc-ui/check.rs index f70b0336151..e389a81bb33 100644 --- a/tests/rustdoc-ui/check.rs +++ b/tests/rustdoc-ui/check.rs @@ -7,6 +7,7 @@ //~^^ WARN #![warn(missing_docs)] +#![warn(rustdoc::missing_doc_code_examples)] #![warn(rustdoc::all)] pub fn foo() {} diff --git a/tests/rustdoc-ui/check.stderr b/tests/rustdoc-ui/check.stderr index d379f33f2bd..c5ed5d0c3ef 100644 --- a/tests/rustdoc-ui/check.stderr +++ b/tests/rustdoc-ui/check.stderr @@ -17,7 +17,7 @@ LL | #![warn(missing_docs)] | ^^^^^^^^^^^^ warning: missing documentation for a function - --> $DIR/check.rs:12:1 + --> $DIR/check.rs:13:1 | LL | pub fn foo() {} | ^^^^^^^^^^^^ @@ -27,7 +27,7 @@ warning: no documentation found for this crate's top-level module = help: The following guide may be of use: https://doc.rust-lang.org/$CHANNEL/rustdoc/how-to-write-documentation.html note: the lint level is defined here - --> $DIR/check.rs:10:9 + --> $DIR/check.rs:11:9 | LL | #![warn(rustdoc::all)] | ^^^^^^^^^^^^ @@ -45,10 +45,14 @@ LL | | LL | | pub fn foo() {} | |_______________^ | - = note: `#[warn(rustdoc::missing_doc_code_examples)]` implied by `#[warn(rustdoc::all)]` +note: the lint level is defined here + --> $DIR/check.rs:10:9 + | +LL | #![warn(rustdoc::missing_doc_code_examples)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ warning: missing code example in this documentation - --> $DIR/check.rs:12:1 + --> $DIR/check.rs:13:1 | LL | pub fn foo() {} | ^^^^^^^^^^^^^^^ diff --git a/tests/rustdoc-ui/lint-group.rs b/tests/rustdoc-ui/lint-group.rs index 09aca6d2b27..ad88157f64f 100644 --- a/tests/rustdoc-ui/lint-group.rs +++ b/tests/rustdoc-ui/lint-group.rs @@ -6,6 +6,7 @@ //! println!("sup"); //! ``` +#![deny(rustdoc::missing_doc_code_examples)] #![deny(rustdoc::all)] /// what up, let's make an [error] diff --git a/tests/rustdoc-ui/lint-group.stderr b/tests/rustdoc-ui/lint-group.stderr index 4f2c9658891..7ff09fcc45a 100644 --- a/tests/rustdoc-ui/lint-group.stderr +++ b/tests/rustdoc-ui/lint-group.stderr @@ -1,5 +1,5 @@ error: missing code example in this documentation - --> $DIR/lint-group.rs:18:1 + --> $DIR/lint-group.rs:19:1 | LL | /// wait, this doesn't have a doctest? | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -7,12 +7,11 @@ LL | /// wait, this doesn't have a doctest? note: the lint level is defined here --> $DIR/lint-group.rs:9:9 | -LL | #![deny(rustdoc::all)] - | ^^^^^^^^^^^^ - = note: `#[deny(rustdoc::missing_doc_code_examples)]` implied by `#[deny(rustdoc::all)]` +LL | #![deny(rustdoc::missing_doc_code_examples)] + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: documentation test in private item - --> $DIR/lint-group.rs:21:1 + --> $DIR/lint-group.rs:22:1 | LL | / /// wait, this *does* have a doctest? LL | | /// @@ -21,16 +20,21 @@ LL | | /// println!("sup"); LL | | /// ``` | |_______^ | +note: the lint level is defined here + --> $DIR/lint-group.rs:10:9 + | +LL | #![deny(rustdoc::all)] + | ^^^^^^^^^^^^ = note: `#[deny(rustdoc::private_doc_tests)]` implied by `#[deny(rustdoc::all)]` error: missing code example in this documentation - --> $DIR/lint-group.rs:28:1 + --> $DIR/lint-group.rs:29:1 | LL | /// <unknown> | ^^^^^^^^^^^^^ error: unresolved link to `error` - --> $DIR/lint-group.rs:11:29 + --> $DIR/lint-group.rs:12:29 | LL | /// what up, let's make an [error] | ^^^^^ no item named `error` in scope @@ -39,7 +43,7 @@ LL | /// what up, let's make an [error] = note: `#[deny(rustdoc::broken_intra_doc_links)]` implied by `#[deny(rustdoc::all)]` error: unclosed HTML tag `unknown` - --> $DIR/lint-group.rs:28:5 + --> $DIR/lint-group.rs:29:5 | LL | /// <unknown> | ^^^^^^^^^ diff --git a/tests/rustdoc-ui/rustdoc-all-only-stable-lints.rs b/tests/rustdoc-ui/rustdoc-all-only-stable-lints.rs new file mode 100644 index 00000000000..e106d06aff5 --- /dev/null +++ b/tests/rustdoc-ui/rustdoc-all-only-stable-lints.rs @@ -0,0 +1,6 @@ +// check-pass + +// Ensure `rustdoc::all` only affects stable lints. See #106289. + +#![deny(unknown_lints)] +#![allow(rustdoc::all)] diff --git a/tests/rustdoc/issue-107995.rs b/tests/rustdoc/issue-107995.rs new file mode 100644 index 00000000000..1273e4fdd12 --- /dev/null +++ b/tests/rustdoc/issue-107995.rs @@ -0,0 +1,28 @@ +// Regression test for <https://github.com/rust-lang/rust/issues/107995>. + +#![crate_name = "foo"] + +// @has 'foo/fn.foo.html' +// @has - '//*[@class="docblock"]//a[@href="fn.bar.html"]' 'bar`' +/// A foo, see also [ bar`] +pub fn foo() {} + +// @has 'foo/fn.bar.html' +// @has - '//*[@class="docblock"]' 'line Path line' +// @has - '//*[@class="docblock"]//a[@href="struct.Path.html"]' 'Path' +#[doc = "line ["] +#[doc = "Path"] +#[doc = "] line"] +pub fn bar() {} + +// @has 'foo/fn.another.html' +// @has - '//*[@class="docblock"]//a[@href="struct.Path.html"]' 'Path' +/// [ `Path`] +pub fn another() {} + +// @has 'foo/fn.last.html' +// @has - '//*[@class="docblock"]//a[@href="struct.Path.html"]' 'Path' +/// [ Path`] +pub fn last() {} + +pub struct Path; diff --git a/tests/ui/associated-inherent-types/ambiguity.rs b/tests/ui/associated-inherent-types/ambiguity.rs new file mode 100644 index 00000000000..73920555b3e --- /dev/null +++ b/tests/ui/associated-inherent-types/ambiguity.rs @@ -0,0 +1,16 @@ +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] + +struct Wrapper<T>(T); + +impl Wrapper<i32> { + type Foo = i32; +} + +impl Wrapper<()> { + type Foo = (); +} + +fn main() { + let _: Wrapper<_>::Foo = (); //~ ERROR multiple applicable items in scope +} diff --git a/tests/ui/associated-inherent-types/ambiguity.stderr b/tests/ui/associated-inherent-types/ambiguity.stderr new file mode 100644 index 00000000000..155c296cbb3 --- /dev/null +++ b/tests/ui/associated-inherent-types/ambiguity.stderr @@ -0,0 +1,20 @@ +error[E0034]: multiple applicable items in scope + --> $DIR/ambiguity.rs:15:24 + | +LL | let _: Wrapper<_>::Foo = (); + | ^^^ multiple `Foo` found + | +note: candidate #1 is defined in an impl for the type `Wrapper<i32>` + --> $DIR/ambiguity.rs:7:5 + | +LL | type Foo = i32; + | ^^^^^^^^ +note: candidate #2 is defined in an impl for the type `Wrapper<()>` + --> $DIR/ambiguity.rs:11:5 + | +LL | type Foo = (); + | ^^^^^^^^ + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0034`. diff --git a/tests/ui/associated-inherent-types/bugs/ice-substitution.rs b/tests/ui/associated-inherent-types/bugs/ice-substitution.rs new file mode 100644 index 00000000000..53ac79e0561 --- /dev/null +++ b/tests/ui/associated-inherent-types/bugs/ice-substitution.rs @@ -0,0 +1,23 @@ +// known-bug: unknown +// failure-status: 101 +// normalize-stderr-test "note: .*\n\n" -> "" +// normalize-stderr-test "thread 'rustc' panicked.*\n" -> "" +// rustc-env:RUST_BACKTRACE=0 + +// FIXME: I presume a type variable that couldn't be solved by `resolve_vars_if_possible` +// escapes the InferCtxt snapshot. + +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] + +struct Cont<T>(T); + +impl<T: Copy> Cont<T> { + type Out = Vec<T>; +} + +pub fn weird<T: Copy>(x: T) { + let _: Cont<_>::Out = vec![true]; +} + +fn main() {} diff --git a/tests/ui/associated-inherent-types/bugs/ice-substitution.stderr b/tests/ui/associated-inherent-types/bugs/ice-substitution.stderr new file mode 100644 index 00000000000..7b0d1c50516 --- /dev/null +++ b/tests/ui/associated-inherent-types/bugs/ice-substitution.stderr @@ -0,0 +1,6 @@ +error: the compiler unexpectedly panicked. this is a bug. + +query stack during panic: +#0 [typeck] type-checking `weird` +#1 [typeck_item_bodies] type-checking all item bodies +end of query stack diff --git a/tests/ui/associated-inherent-types/bugs/inference-fail.rs b/tests/ui/associated-inherent-types/bugs/inference-fail.rs new file mode 100644 index 00000000000..a920b412b1a --- /dev/null +++ b/tests/ui/associated-inherent-types/bugs/inference-fail.rs @@ -0,0 +1,15 @@ +// known-bug: unknown + +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] + +struct S<T>(T); + +impl S<()> { + type P = i128; +} + +fn main() { + // We fail to infer `_ == ()` here. + let _: S<_>::P; +} diff --git a/tests/ui/associated-inherent-types/bugs/inference-fail.stderr b/tests/ui/associated-inherent-types/bugs/inference-fail.stderr new file mode 100644 index 00000000000..425691bd6c4 --- /dev/null +++ b/tests/ui/associated-inherent-types/bugs/inference-fail.stderr @@ -0,0 +1,9 @@ +error[E0282]: type annotations needed + --> $DIR/inference-fail.rs:14:14 + | +LL | let _: S<_>::P; + | ^ cannot infer type + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0282`. diff --git a/tests/ui/associated-inherent-types/bugs/lack-of-regionck.rs b/tests/ui/associated-inherent-types/bugs/lack-of-regionck.rs new file mode 100644 index 00000000000..632dbf3854b --- /dev/null +++ b/tests/ui/associated-inherent-types/bugs/lack-of-regionck.rs @@ -0,0 +1,19 @@ +// known-bug: unknown +// check-pass + +// We currently don't region-check inherent associated type projections at all. + +#![feature(inherent_associated_types)] +#![allow(incomplete_features, dead_code)] + +struct S<T>(T); + +impl S<&'static ()> { + type T = (); +} + +fn usr<'a>() { + let _: S::<&'a ()>::T; // this should *fail* but it doesn't! +} + +fn main() {} diff --git a/tests/ui/associated-inherent-types/dispatch-on-self-type-0.rs b/tests/ui/associated-inherent-types/dispatch-on-self-type-0.rs new file mode 100644 index 00000000000..f846bfa4168 --- /dev/null +++ b/tests/ui/associated-inherent-types/dispatch-on-self-type-0.rs @@ -0,0 +1,41 @@ +// check-pass + +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] + +// Check that inherent associated types are dispatched on the concrete Self type. + +struct Select<T>(T); + +impl Select<u8> { + type Projection = (); +} + +impl Select<String> { + type Projection = bool; +} + +struct Choose<T>(T); +struct NonCopy; + +impl<T: Copy> Choose<T> { + type Result = Vec<T>; +} + +impl Choose<NonCopy> { + type Result = (); +} + +fn main() { + let _: Select<String>::Projection = false; + let _: Select<u8>::Projection = (); + + let _: Choose<NonCopy>::Result = (); + let _: Choose<bool>::Result = vec![true]; +} + +// Test if we use the correct `ParamEnv` when proving obligations. + +pub fn parameterized<T: Copy>(x: T) { + let _: Choose<T>::Result = vec![x]; +} diff --git a/tests/ui/associated-inherent-types/dispatch-on-self-type-1.rs b/tests/ui/associated-inherent-types/dispatch-on-self-type-1.rs new file mode 100644 index 00000000000..9b0fa8dc6f3 --- /dev/null +++ b/tests/ui/associated-inherent-types/dispatch-on-self-type-1.rs @@ -0,0 +1,39 @@ +// check-pass + +#![feature(inherent_associated_types, auto_traits, negative_impls)] +#![allow(incomplete_features)] + +use std::cmp::Ordering; + +// Check that inherent associated types are dispatched on the concrete Self type. + +struct Select<T, U>(T, U); + +impl<T: Ordinary, U: Ordinary> Select<T, U> { + type Type = (); +} + +impl<T: Ordinary> Select<T, Special> { + type Type = bool; +} + +impl<T: Ordinary> Select<Special, T> { + type Type = Ordering; +} + +impl Select<Special, Special> { + type Type = (bool, bool); +} + +fn main() { + let _: Select<String, Special>::Type = false; + let _: Select<Special, Special>::Type = (true, false); + let _: Select<Special, u8>::Type = Ordering::Equal; + let _: Select<i128, ()>::Type = (); +} + +enum Special {} + +impl !Ordinary for Special {} + +auto trait Ordinary {} diff --git a/tests/ui/associated-inherent-types/dispatch-on-self-type-2.rs b/tests/ui/associated-inherent-types/dispatch-on-self-type-2.rs new file mode 100644 index 00000000000..7b205952f52 --- /dev/null +++ b/tests/ui/associated-inherent-types/dispatch-on-self-type-2.rs @@ -0,0 +1,17 @@ +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] + +struct Parameterized<T, U>(T, U); + +impl Parameterized<(), ()> { + type Output = bool; +} + +impl<T> Parameterized<bool, T> { + type Result = T; +} + +fn main() { + let _: Parameterized<(), ()>::Output = String::new(); //~ ERROR mismatched types + let _: Parameterized<bool, u32>::Result = (); //~ ERROR mismatched types +} diff --git a/tests/ui/associated-inherent-types/dispatch-on-self-type-2.stderr b/tests/ui/associated-inherent-types/dispatch-on-self-type-2.stderr new file mode 100644 index 00000000000..c9a48872af4 --- /dev/null +++ b/tests/ui/associated-inherent-types/dispatch-on-self-type-2.stderr @@ -0,0 +1,19 @@ +error[E0308]: mismatched types + --> $DIR/dispatch-on-self-type-2.rs:15:44 + | +LL | let _: Parameterized<(), ()>::Output = String::new(); + | ----------------------------- ^^^^^^^^^^^^^ expected `bool`, found `String` + | | + | expected due to this + +error[E0308]: mismatched types + --> $DIR/dispatch-on-self-type-2.rs:16:47 + | +LL | let _: Parameterized<bool, u32>::Result = (); + | -------------------------------- ^^ expected `u32`, found `()` + | | + | expected due to this + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/associated-inherent-types/not-found-self-type-differs-shadowing-trait-item.rs b/tests/ui/associated-inherent-types/not-found-self-type-differs-shadowing-trait-item.rs new file mode 100644 index 00000000000..d2efb24c666 --- /dev/null +++ b/tests/ui/associated-inherent-types/not-found-self-type-differs-shadowing-trait-item.rs @@ -0,0 +1,31 @@ +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] + +// Check that it's okay to report “[inherent] associated type […] not found” for inherent associated +// type candidates that are not applicable (due to unsuitable Self type) even if there exists a +// “shadowed” associated type from a trait with the same name since its use would be ambiguous +// anyway if the IAT didn't exist. +// FIXME(inherent_associated_types): Figure out which error would be more helpful here. + +// revisions: shadowed uncovered + +struct S<T>(T); + +trait Tr { + type Pr; +} + +impl<T> Tr for S<T> { + type Pr = (); +} + +#[cfg(shadowed)] +impl S<()> { + type Pr = i32; +} + +fn main() { + let _: S::<bool>::Pr = (); + //[shadowed]~^ ERROR associated type `Pr` not found + //[uncovered]~^^ ERROR ambiguous associated type +} diff --git a/tests/ui/associated-inherent-types/not-found-self-type-differs-shadowing-trait-item.shadowed.stderr b/tests/ui/associated-inherent-types/not-found-self-type-differs-shadowing-trait-item.shadowed.stderr new file mode 100644 index 00000000000..3561db354c0 --- /dev/null +++ b/tests/ui/associated-inherent-types/not-found-self-type-differs-shadowing-trait-item.shadowed.stderr @@ -0,0 +1,15 @@ +error[E0220]: associated type `Pr` not found for `S<bool>` in the current scope + --> $DIR/not-found-self-type-differs-shadowing-trait-item.rs:28:23 + | +LL | struct S<T>(T); + | ----------- associated item `Pr` not found for this struct +... +LL | let _: S::<bool>::Pr = (); + | ^^ associated item not found in `S<bool>` + | + = note: the associated type was found for + - `S<()>` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0220`. diff --git a/tests/ui/associated-inherent-types/not-found-self-type-differs-shadowing-trait-item.uncovered.stderr b/tests/ui/associated-inherent-types/not-found-self-type-differs-shadowing-trait-item.uncovered.stderr new file mode 100644 index 00000000000..88c72042ce2 --- /dev/null +++ b/tests/ui/associated-inherent-types/not-found-self-type-differs-shadowing-trait-item.uncovered.stderr @@ -0,0 +1,9 @@ +error[E0223]: ambiguous associated type + --> $DIR/not-found-self-type-differs-shadowing-trait-item.rs:28:12 + | +LL | let _: S::<bool>::Pr = (); + | ^^^^^^^^^^^^^ help: use the fully-qualified path: `<S<bool> as Tr>::Pr` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0223`. diff --git a/tests/ui/associated-inherent-types/not-found-self-type-differs.alias.stderr b/tests/ui/associated-inherent-types/not-found-self-type-differs.alias.stderr new file mode 100644 index 00000000000..4396435a6dd --- /dev/null +++ b/tests/ui/associated-inherent-types/not-found-self-type-differs.alias.stderr @@ -0,0 +1,16 @@ +error[E0220]: associated type `Proj` not found for `Family<Option<()>>` in the current scope + --> $DIR/not-found-self-type-differs.rs:17:34 + | +LL | struct Family<T>(T); + | ---------------- associated item `Proj` not found for this struct +... +LL | type Alias = Family<Option<()>>::Proj; + | ^^^^ associated item not found in `Family<Option<()>>` + | + = note: the associated type was found for + - `Family<()>` + - `Family<Result<T, ()>>` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0220`. diff --git a/tests/ui/associated-inherent-types/not-found-self-type-differs.local.stderr b/tests/ui/associated-inherent-types/not-found-self-type-differs.local.stderr new file mode 100644 index 00000000000..d527db02217 --- /dev/null +++ b/tests/ui/associated-inherent-types/not-found-self-type-differs.local.stderr @@ -0,0 +1,16 @@ +error[E0220]: associated type `Proj` not found for `Family<PathBuf>` in the current scope + --> $DIR/not-found-self-type-differs.rs:21:40 + | +LL | struct Family<T>(T); + | ---------------- associated item `Proj` not found for this struct +... +LL | let _: Family<std::path::PathBuf>::Proj = (); + | ^^^^ associated item not found in `Family<PathBuf>` + | + = note: the associated type was found for + - `Family<()>` + - `Family<Result<T, ()>>` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0220`. diff --git a/tests/ui/associated-inherent-types/not-found-self-type-differs.rs b/tests/ui/associated-inherent-types/not-found-self-type-differs.rs new file mode 100644 index 00000000000..93f58dcb6e6 --- /dev/null +++ b/tests/ui/associated-inherent-types/not-found-self-type-differs.rs @@ -0,0 +1,22 @@ +// revisions: local alias + +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] + +struct Family<T>(T); + +impl Family<()> { + type Proj = (); +} + +impl<T> Family<Result<T, ()>> { + type Proj = Self; +} + +#[cfg(alias)] +type Alias = Family<Option<()>>::Proj; //[alias]~ ERROR associated type `Proj` not found for `Family<Option<()>>` + +fn main() { + #[cfg(local)] + let _: Family<std::path::PathBuf>::Proj = (); //[local]~ ERROR associated type `Proj` not found for `Family<PathBuf>` +} diff --git a/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-0.rs b/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-0.rs new file mode 100644 index 00000000000..b00830fa1c1 --- /dev/null +++ b/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-0.rs @@ -0,0 +1,21 @@ +// Regression test for issue #104251. + +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] + +struct Container<T: ?Sized>(T); + +impl<T> Container<T> { + type Yield = i32; +} + +struct Duple<T, U>(T, U); + +impl<T: Copy, U: Send> Duple<T, U> { + type Combination = (T, U); +} + +fn main() { + let _: Container<[u8]>::Yield = 1; //~ ERROR the associated type `Yield` exists for `Container<[u8]>`, but its trait bounds were not satisfied + let _: Duple<String, std::rc::Rc<str>>::Combination; //~ ERROR the associated type `Combination` exists for `Duple<String, Rc<str>>`, but its trait bounds were not satisfied +} diff --git a/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-0.stderr b/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-0.stderr new file mode 100644 index 00000000000..73657906761 --- /dev/null +++ b/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-0.stderr @@ -0,0 +1,27 @@ +error: the associated type `Yield` exists for `Container<[u8]>`, but its trait bounds were not satisfied + --> $DIR/not-found-unsatisfied-bounds-0.rs:19:29 + | +LL | struct Container<T: ?Sized>(T); + | --------------------------- associated item `Yield` not found for this struct +... +LL | let _: Container<[u8]>::Yield = 1; + | ^^^^^ associated type cannot be referenced on `Container<[u8]>` due to unsatisfied trait bounds + | + = note: the following trait bounds were not satisfied: + `[u8]: Sized` + +error: the associated type `Combination` exists for `Duple<String, Rc<str>>`, but its trait bounds were not satisfied + --> $DIR/not-found-unsatisfied-bounds-0.rs:20:45 + | +LL | struct Duple<T, U>(T, U); + | ------------------ associated item `Combination` not found for this struct +... +LL | let _: Duple<String, std::rc::Rc<str>>::Combination; + | ^^^^^^^^^^^ associated type cannot be referenced on `Duple<String, Rc<str>>` due to unsatisfied trait bounds + | + = note: the following trait bounds were not satisfied: + `Rc<str>: Send` + `String: Copy` + +error: aborting due to 2 previous errors + diff --git a/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-1.rs b/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-1.rs new file mode 100644 index 00000000000..c80b1364ae3 --- /dev/null +++ b/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-1.rs @@ -0,0 +1,18 @@ +// fail-check + +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] + +// Test if we use the correct `ParamEnv` when proving obligations. + +fn parameterized<T>() { + let _: Container<T>::Proj = String::new(); //~ ERROR the associated type `Proj` exists for `Container<T>`, but its trait bounds were not satisfied +} + +struct Container<T>(T); + +impl<T: Clone> Container<T> { + type Proj = String; +} + +fn main() {} diff --git a/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-1.stderr b/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-1.stderr new file mode 100644 index 00000000000..230bfa538b4 --- /dev/null +++ b/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-1.stderr @@ -0,0 +1,14 @@ +error: the associated type `Proj` exists for `Container<T>`, but its trait bounds were not satisfied + --> $DIR/not-found-unsatisfied-bounds-1.rs:9:26 + | +LL | let _: Container<T>::Proj = String::new(); + | ^^^^ associated type cannot be referenced on `Container<T>` due to unsatisfied trait bounds +... +LL | struct Container<T>(T); + | ------------------- associated item `Proj` not found for this struct + | + = note: the following trait bounds were not satisfied: + `T: Clone` + +error: aborting due to previous error + diff --git a/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-in-multiple-impls.rs b/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-in-multiple-impls.rs new file mode 100644 index 00000000000..5b0e8de9c58 --- /dev/null +++ b/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-in-multiple-impls.rs @@ -0,0 +1,20 @@ +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] + +struct S<A, B>(A, B); +struct Featureless; + +trait One {} +trait Two {} + +impl<T: One> S<Featureless, T> { + type X = (); +} + +impl<T: Two> S<T, Featureless> { + type X = String; +} + +fn main() { + let _: S::<Featureless, Featureless>::X; //~ ERROR the associated type `X` exists for `S<Featureless, Featureless>`, but its trait bounds were not satisfied +} diff --git a/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-in-multiple-impls.stderr b/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-in-multiple-impls.stderr new file mode 100644 index 00000000000..3ddab25deb5 --- /dev/null +++ b/tests/ui/associated-inherent-types/not-found-unsatisfied-bounds-in-multiple-impls.stderr @@ -0,0 +1,20 @@ +error: the associated type `X` exists for `S<Featureless, Featureless>`, but its trait bounds were not satisfied + --> $DIR/not-found-unsatisfied-bounds-in-multiple-impls.rs:19:43 + | +LL | struct S<A, B>(A, B); + | -------------- associated item `X` not found for this struct +LL | struct Featureless; + | ------------------ + | | + | doesn't satisfy `Featureless: One` + | doesn't satisfy `Featureless: Two` +... +LL | let _: S::<Featureless, Featureless>::X; + | ^ associated type cannot be referenced on `S<Featureless, Featureless>` due to unsatisfied trait bounds + | + = note: the following trait bounds were not satisfied: + `Featureless: One` + `Featureless: Two` + +error: aborting due to previous error + diff --git a/tests/ui/associated-inherent-types/substitute-params-bad.rs b/tests/ui/associated-inherent-types/substitute-params-bad.rs new file mode 100644 index 00000000000..00eb1a14da4 --- /dev/null +++ b/tests/ui/associated-inherent-types/substitute-params-bad.rs @@ -0,0 +1,23 @@ +// Regression test for issue #105305 and for +// https://github.com/rust-lang/rust/issues/107468#issuecomment-1409096700 + +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] + +struct S<T>(T); + +impl<T, 'a> S<T> { //~ ERROR lifetime parameters must be declared prior to type and const parameters + type P = T; +} + +struct Subj<T>(T); + +impl<T, S> Subj<(T, S)> { + type Un = (T, S); +} + +fn main() { + type A = S<()>::P; + + let _: Subj<(i32, i32)>::Un = 0i32; //~ ERROR mismatched types +} diff --git a/tests/ui/associated-inherent-types/substitute-params-bad.stderr b/tests/ui/associated-inherent-types/substitute-params-bad.stderr new file mode 100644 index 00000000000..7a7808ba67b --- /dev/null +++ b/tests/ui/associated-inherent-types/substitute-params-bad.stderr @@ -0,0 +1,20 @@ +error: lifetime parameters must be declared prior to type and const parameters + --> $DIR/substitute-params-bad.rs:9:9 + | +LL | impl<T, 'a> S<T> { + | ----^^- help: reorder the parameters: lifetimes, then consts and types: `<'a, T>` + +error[E0308]: mismatched types + --> $DIR/substitute-params-bad.rs:22:35 + | +LL | let _: Subj<(i32, i32)>::Un = 0i32; + | -------------------- ^^^^ expected `(i32, i32)`, found `i32` + | | + | expected due to this + | + = note: expected tuple `(i32, i32)` + found type `i32` + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/associated-inherent-types/struct-generics.rs b/tests/ui/associated-inherent-types/substitute-params.rs index 8952b379173..e94d6833159 100644 --- a/tests/ui/associated-inherent-types/struct-generics.rs +++ b/tests/ui/associated-inherent-types/substitute-params.rs @@ -9,7 +9,15 @@ impl<T> S<T> { type P = T; } +impl<T> S<(T,)> { + type Un = T; +} + fn main() { + // Regression test for issue #104240. type A = S<()>::P; let _: A = (); + + // Regression test for issue #107468. + let _: S<(i32,)>::Un = 0i32; } diff --git a/tests/ui/async-await/in-trait/async-default-fn-overridden.rs b/tests/ui/async-await/in-trait/async-default-fn-overridden.rs new file mode 100644 index 00000000000..0fd1a2703db --- /dev/null +++ b/tests/ui/async-await/in-trait/async-default-fn-overridden.rs @@ -0,0 +1,66 @@ +// run-pass +// edition:2021 + +#![feature(async_fn_in_trait)] +//~^ WARN the feature `async_fn_in_trait` is incomplete and may not be safe to use + +use std::future::Future; + +trait AsyncTrait { + async fn default_impl() { + assert!(false); + } + + async fn call_default_impl() { + Self::default_impl().await + } +} + +struct AsyncType; + +impl AsyncTrait for AsyncType { + async fn default_impl() { + // :) + } +} + +async fn async_main() { + // Should not assert false + AsyncType::call_default_impl().await; +} + +// ------------------------------------------------------------------------- // +// Implementation Details Below... + +use std::pin::Pin; +use std::task::*; + +pub fn noop_waker() -> Waker { + let raw = RawWaker::new(std::ptr::null(), &NOOP_WAKER_VTABLE); + + // SAFETY: the contracts for RawWaker and RawWakerVTable are upheld + unsafe { Waker::from_raw(raw) } +} + +const NOOP_WAKER_VTABLE: RawWakerVTable = RawWakerVTable::new(noop_clone, noop, noop, noop); + +unsafe fn noop_clone(_p: *const ()) -> RawWaker { + RawWaker::new(std::ptr::null(), &NOOP_WAKER_VTABLE) +} + +unsafe fn noop(_p: *const ()) {} + +fn main() { + let mut fut = async_main(); + + // Poll loop, just to test the future... + let waker = noop_waker(); + let ctx = &mut Context::from_waker(&waker); + + loop { + match unsafe { Pin::new_unchecked(&mut fut).poll(ctx) } { + Poll::Pending => {} + Poll::Ready(()) => break, + } + } +} diff --git a/tests/ui/async-await/in-trait/async-default-fn-overridden.stderr b/tests/ui/async-await/in-trait/async-default-fn-overridden.stderr new file mode 100644 index 00000000000..61a826258d0 --- /dev/null +++ b/tests/ui/async-await/in-trait/async-default-fn-overridden.stderr @@ -0,0 +1,11 @@ +warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/async-default-fn-overridden.rs:4:12 + | +LL | #![feature(async_fn_in_trait)] + | ^^^^^^^^^^^^^^^^^ + | + = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information + = note: `#[warn(incomplete_features)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/lint/unaligned_references.rs b/tests/ui/lint/unaligned_references.rs index 04b66885e85..0c9c79c08b2 100644 --- a/tests/ui/lint/unaligned_references.rs +++ b/tests/ui/lint/unaligned_references.rs @@ -13,6 +13,20 @@ pub struct Packed2 { z: u8, } +trait Foo { + fn evil(&self); +} + +// Test for #108122 +#[automatically_derived] +impl Foo for Packed2 { + fn evil(&self) { + unsafe { + &self.x; //~ ERROR reference to packed field + } + } +} + fn main() { unsafe { let good = Good { data: 0, ptr: &0, data2: [0, 0], aligned: [0; 32] }; @@ -37,6 +51,7 @@ fn main() { let _ = &packed2.x; //~ ERROR reference to packed field let _ = &packed2.y; // ok, has align 2 in packed(2) struct let _ = &packed2.z; // ok, has align 1 + packed2.evil(); } unsafe { @@ -71,22 +86,10 @@ fn main() { #[repr(packed)] struct Misalign<T>(u8, T); - let m1 = Misalign( - 0, - Wrapper { - a: U16(10), - b: HasDrop, - }, - ); + let m1 = Misalign(0, Wrapper { a: U16(10), b: HasDrop }); let _ref = &m1.1.a; //~ ERROR reference to packed field - let m2 = Misalign( - 0, - Wrapper2 { - a: U16(10), - b: HasDrop, - }, - ); + let m2 = Misalign(0, Wrapper2 { a: U16(10), b: HasDrop }); let _ref = &m2.1.a; //~ ERROR reference to packed field } } diff --git a/tests/ui/lint/unaligned_references.stderr b/tests/ui/lint/unaligned_references.stderr index 07b59464bde..775dcac678e 100644 --- a/tests/ui/lint/unaligned_references.stderr +++ b/tests/ui/lint/unaligned_references.stderr @@ -1,5 +1,14 @@ error[E0793]: reference to packed field is unaligned - --> $DIR/unaligned_references.rs:20:17 + --> $DIR/unaligned_references.rs:25:13 + | +LL | &self.x; + | ^^^^^^^ + | + = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced) + = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) + +error[E0793]: reference to packed field is unaligned + --> $DIR/unaligned_references.rs:34:17 | LL | let _ = &good.ptr; | ^^^^^^^^^ @@ -8,7 +17,7 @@ LL | let _ = &good.ptr; = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) error[E0793]: reference to packed field is unaligned - --> $DIR/unaligned_references.rs:21:17 + --> $DIR/unaligned_references.rs:35:17 | LL | let _ = &good.data; | ^^^^^^^^^^ @@ -17,7 +26,7 @@ LL | let _ = &good.data; = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) error[E0793]: reference to packed field is unaligned - --> $DIR/unaligned_references.rs:23:17 + --> $DIR/unaligned_references.rs:37:17 | LL | let _ = &good.data as *const _; | ^^^^^^^^^^ @@ -26,7 +35,7 @@ LL | let _ = &good.data as *const _; = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) error[E0793]: reference to packed field is unaligned - --> $DIR/unaligned_references.rs:24:27 + --> $DIR/unaligned_references.rs:38:27 | LL | let _: *const _ = &good.data; | ^^^^^^^^^^ @@ -35,7 +44,7 @@ LL | let _: *const _ = &good.data; = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) error[E0793]: reference to packed field is unaligned - --> $DIR/unaligned_references.rs:26:17 + --> $DIR/unaligned_references.rs:40:17 | LL | let _ = good.data.clone(); | ^^^^^^^^^^^^^^^^^ @@ -44,7 +53,7 @@ LL | let _ = good.data.clone(); = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) error[E0793]: reference to packed field is unaligned - --> $DIR/unaligned_references.rs:28:17 + --> $DIR/unaligned_references.rs:42:17 | LL | let _ = &good.data2[0]; | ^^^^^^^^^^^^^^ @@ -53,7 +62,7 @@ LL | let _ = &good.data2[0]; = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) error[E0793]: reference to packed field is unaligned - --> $DIR/unaligned_references.rs:37:17 + --> $DIR/unaligned_references.rs:51:17 | LL | let _ = &packed2.x; | ^^^^^^^^^^ @@ -62,7 +71,7 @@ LL | let _ = &packed2.x; = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) error[E0793]: reference to packed field is unaligned - --> $DIR/unaligned_references.rs:81:20 + --> $DIR/unaligned_references.rs:90:20 | LL | let _ref = &m1.1.a; | ^^^^^^^ @@ -71,7 +80,7 @@ LL | let _ref = &m1.1.a; = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) error[E0793]: reference to packed field is unaligned - --> $DIR/unaligned_references.rs:90:20 + --> $DIR/unaligned_references.rs:93:20 | LL | let _ref = &m2.1.a; | ^^^^^^^ @@ -79,6 +88,6 @@ LL | let _ref = &m2.1.a; = note: fields of packed structs are not properly aligned, and creating a misaligned reference is undefined behavior (even if that reference is never dereferenced) = help: copy the field contents to a local variable, or replace the reference with a raw pointer and use `read_unaligned`/`write_unaligned` (loads and stores via `*p` must be properly aligned even when using raw pointers) -error: aborting due to 9 previous errors +error: aborting due to 10 previous errors For more information about this error, try `rustc --explain E0793`. diff --git a/tests/ui/mir/field-projection-invariant.rs b/tests/ui/mir/field-projection-invariant.rs new file mode 100644 index 00000000000..b5d6add043c --- /dev/null +++ b/tests/ui/mir/field-projection-invariant.rs @@ -0,0 +1,24 @@ +// build-pass +struct Inv<'a>(&'a mut &'a ()); +enum Foo<T> { + Bar, + Var(T), +} +type Supertype = Foo<for<'a> fn(Inv<'a>, Inv<'a>)>; + +fn foo(x: Foo<for<'a, 'b> fn(Inv<'a>, Inv<'b>)>) { + match x { + Supertype::Bar => {} + Supertype::Var(x) => {} + } +} + +fn foo_nested(x: Foo<Foo<for<'a, 'b> fn(Inv<'a>, Inv<'b>)>>) { + match x { + Foo::Bar => {} + Foo::Var(Supertype::Bar) => {} + Foo::Var(Supertype::Var(x)) => {} + } +} + +fn main() {} diff --git a/tests/ui/mir/field-projection-mutating-context.rs b/tests/ui/mir/field-projection-mutating-context.rs new file mode 100644 index 00000000000..a1002c088dc --- /dev/null +++ b/tests/ui/mir/field-projection-mutating-context.rs @@ -0,0 +1,19 @@ +use std::sync::Mutex; + +static GLOBAL: Mutex<&'static str> = Mutex::new("global str"); + +struct Foo<T>(T); // `T` is covariant. + +fn foo() { + let mut x: Foo<for<'a> fn(&'a str)> = Foo(|_| ()); + let Foo(ref mut y): Foo<fn(&'static str)> = x; + //~^ ERROR mismatched types + *y = |s| *GLOBAL.lock().unwrap() = s; + let string = String::from("i am shortlived"); + (x.0)(&string); +} + +fn main() { + foo(); + println!("{}", GLOBAL.lock().unwrap()); +} diff --git a/tests/ui/mir/field-projection-mutating-context.stderr b/tests/ui/mir/field-projection-mutating-context.stderr new file mode 100644 index 00000000000..9b18b3427ad --- /dev/null +++ b/tests/ui/mir/field-projection-mutating-context.stderr @@ -0,0 +1,12 @@ +error[E0308]: mismatched types + --> $DIR/field-projection-mutating-context.rs:9:13 + | +LL | let Foo(ref mut y): Foo<fn(&'static str)> = x; + | ^^^^^^^^^ one type is more general than the other + | + = note: expected fn pointer `for<'a> fn(&'a str)` + found fn pointer `fn(&str)` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/mir/field-projection-mutating-context2.rs b/tests/ui/mir/field-projection-mutating-context2.rs new file mode 100644 index 00000000000..dd9c44a16d3 --- /dev/null +++ b/tests/ui/mir/field-projection-mutating-context2.rs @@ -0,0 +1,17 @@ +use std::sync::Mutex; + +static GLOBAL: Mutex<&'static str> = Mutex::new("global str"); + +struct Foo<T>(T); // `T` is covariant. + +fn foo<'a>(mut x: Foo<fn(&'a str)>, string: &'a str) { + let Foo(ref mut y): Foo<fn(&'static str)> = x; + //~^ ERROR lifetime may not live long enough + *y = |s| *GLOBAL.lock().unwrap() = s; + (x.0)(&string); +} + +fn main() { + foo(Foo(|_| ()), &String::from("i am shortlived")); + println!("{}", GLOBAL.lock().unwrap()); +} diff --git a/tests/ui/mir/field-projection-mutating-context2.stderr b/tests/ui/mir/field-projection-mutating-context2.stderr new file mode 100644 index 00000000000..a7b66fe10ce --- /dev/null +++ b/tests/ui/mir/field-projection-mutating-context2.stderr @@ -0,0 +1,10 @@ +error: lifetime may not live long enough + --> $DIR/field-projection-mutating-context2.rs:8:25 + | +LL | fn foo<'a>(mut x: Foo<fn(&'a str)>, string: &'a str) { + | -- lifetime `'a` defined here +LL | let Foo(ref mut y): Foo<fn(&'static str)> = x; + | ^^^^^^^^^^^^^^^^^^^^^ type annotation requires that `'a` must outlive `'static` + +error: aborting due to previous error + diff --git a/tests/ui/mir/field-ty-ascription-enums.rs b/tests/ui/mir/field-ty-ascription-enums.rs new file mode 100644 index 00000000000..179af617090 --- /dev/null +++ b/tests/ui/mir/field-ty-ascription-enums.rs @@ -0,0 +1,15 @@ +// build-pass + +enum Foo<T> { + Var(T), +} // `T` is covariant. + +fn foo<'b>(x: Foo<for<'a> fn(&'a ())>) { + let Foo::Var(x): Foo<fn(&'b ())> = x; +} + +fn foo_nested<'b>(x: Foo<Foo<for<'a> fn(&'a ())>>) { + let Foo::Var(Foo::Var(x)): Foo<Foo<fn(&'b ())>> = x; +} + +fn main() {} diff --git a/tests/ui/mir/field-ty-ascription.rs b/tests/ui/mir/field-ty-ascription.rs new file mode 100644 index 00000000000..178c7916bc5 --- /dev/null +++ b/tests/ui/mir/field-ty-ascription.rs @@ -0,0 +1,37 @@ +// build-pass + +struct Foo<T>(T); // `T` is covariant. + +struct Bar<T> { + x: T, +} // `T` is covariant. + +fn bar<'b>(x: Bar<for<'a> fn(&'a ())>) { + let Bar { x }: Bar<fn(&'b ())> = x; +} + +fn bar_nested<'b>(x: Bar<Bar<for<'a> fn(&'a ())>>) { + let Bar { x: Bar { x } }: Bar<Bar<fn(&'b ())>> = x; +} + +fn bar_foo_nested<'b>(x: Bar<Foo<for<'a> fn(&'a ())>>) { + let Bar { x: Foo ( x ) }: Bar<Foo<fn(&'b ())>> = x; +} + +fn foo<'b>(x: Foo<for<'a> fn(&'a ())>) { + let Foo(y): Foo<fn(&'b ())> = x; +} + +fn foo_nested<'b>(x: Foo<Foo<for<'a> fn(&'a ())>>) { + let Foo(Foo(y)): Foo<Foo<fn(&'b ())>> = x; +} + +fn tuple<'b>(x: (u32, for<'a> fn(&'a ()))) { + let (_, y): (u32, fn(&'b ())) = x; +} + +fn tuple_nested<'b>(x: (u32, (u32, for<'a> fn(&'a ())))) { + let (_, (_, y)): (u32, (u32, fn(&'b ()))) = x; +} + +fn main() {} |