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| author | Scott McMurray <scottmcm@users.noreply.github.com> | 2024-03-16 02:20:17 -0700 |
|---|---|---|
| committer | Scott McMurray <scottmcm@users.noreply.github.com> | 2024-03-17 11:59:18 -0700 |
| commit | e03224821045f4f91864beef2fe32e28dd3211ff (patch) | |
| tree | 07f484e56e53307cc4cda3b3d8fc154d78a4dd57 /src | |
| parent | 7d537106a192d6a06ccbbb809583e4a52b1ee353 (diff) | |
| download | rust-e03224821045f4f91864beef2fe32e28dd3211ff.tar.gz rust-e03224821045f4f91864beef2fe32e28dd3211ff.zip | |
MIRI tests to confirm it's typed
Diffstat (limited to 'src')
4 files changed, 78 insertions, 0 deletions
diff --git a/src/tools/miri/tests/fail/intrinsics/typed-swap-invalid-array.rs b/src/tools/miri/tests/fail/intrinsics/typed-swap-invalid-array.rs new file mode 100644 index 00000000000..89fdd2a01eb --- /dev/null +++ b/src/tools/miri/tests/fail/intrinsics/typed-swap-invalid-array.rs @@ -0,0 +1,19 @@ +#![feature(core_intrinsics)] +#![feature(rustc_attrs)] + +use std::intrinsics::typed_swap; +use std::ptr::addr_of_mut; + +fn invalid_array() { + let mut a = [1_u8; 100]; + let mut b = [2_u8; 100]; + unsafe { + let a = addr_of_mut!(a).cast::<[bool; 100]>(); + let b = addr_of_mut!(b).cast::<[bool; 100]>(); + typed_swap(a, b); //~ERROR: constructing invalid value + } +} + +fn main() { + invalid_array(); +} diff --git a/src/tools/miri/tests/fail/intrinsics/typed-swap-invalid-array.stderr b/src/tools/miri/tests/fail/intrinsics/typed-swap-invalid-array.stderr new file mode 100644 index 00000000000..15f01c1c095 --- /dev/null +++ b/src/tools/miri/tests/fail/intrinsics/typed-swap-invalid-array.stderr @@ -0,0 +1,20 @@ +error: Undefined Behavior: constructing invalid value at [0]: encountered 0x02, but expected a boolean + --> $DIR/typed-swap-invalid-array.rs:LL:CC + | +LL | typed_swap(a, b); + | ^^^^^^^^^^^^^^^^ constructing invalid value at [0]: encountered 0x02, but expected a boolean + | + = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior + = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information + = note: BACKTRACE: + = note: inside `invalid_array` at $DIR/typed-swap-invalid-array.rs:LL:CC +note: inside `main` + --> $DIR/typed-swap-invalid-array.rs:LL:CC + | +LL | invalid_array(); + | ^^^^^^^^^^^^^^^ + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +error: aborting due to 1 previous error + diff --git a/src/tools/miri/tests/fail/intrinsics/typed-swap-invalid-scalar.rs b/src/tools/miri/tests/fail/intrinsics/typed-swap-invalid-scalar.rs new file mode 100644 index 00000000000..9d014a523f8 --- /dev/null +++ b/src/tools/miri/tests/fail/intrinsics/typed-swap-invalid-scalar.rs @@ -0,0 +1,19 @@ +#![feature(core_intrinsics)] +#![feature(rustc_attrs)] + +use std::intrinsics::typed_swap; +use std::ptr::addr_of_mut; + +fn invalid_scalar() { + let mut a = 1_u8; + let mut b = 2_u8; + unsafe { + let a = addr_of_mut!(a).cast::<bool>(); + let b = addr_of_mut!(b).cast::<bool>(); + typed_swap(a, b); //~ERROR: constructing invalid value + } +} + +fn main() { + invalid_scalar(); +} diff --git a/src/tools/miri/tests/fail/intrinsics/typed-swap-invalid-scalar.stderr b/src/tools/miri/tests/fail/intrinsics/typed-swap-invalid-scalar.stderr new file mode 100644 index 00000000000..262ca202f9f --- /dev/null +++ b/src/tools/miri/tests/fail/intrinsics/typed-swap-invalid-scalar.stderr @@ -0,0 +1,20 @@ +error: Undefined Behavior: constructing invalid value: encountered 0x02, but expected a boolean + --> $DIR/typed-swap-invalid-scalar.rs:LL:CC + | +LL | typed_swap(a, b); + | ^^^^^^^^^^^^^^^^ constructing invalid value: encountered 0x02, but expected a boolean + | + = help: this indicates a bug in the program: it performed an invalid operation, and caused Undefined Behavior + = help: see https://doc.rust-lang.org/nightly/reference/behavior-considered-undefined.html for further information + = note: BACKTRACE: + = note: inside `invalid_scalar` at $DIR/typed-swap-invalid-scalar.rs:LL:CC +note: inside `main` + --> $DIR/typed-swap-invalid-scalar.rs:LL:CC + | +LL | invalid_scalar(); + | ^^^^^^^^^^^^^^^^ + +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace + +error: aborting due to 1 previous error + |