diff options
Diffstat (limited to 'src/tools/clippy/tests/ui-toml/unnecessary_box_returns')
4 files changed, 35 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui-toml/unnecessary_box_returns/clippy.toml b/src/tools/clippy/tests/ui-toml/unnecessary_box_returns/clippy.toml new file mode 100644 index 000000000..7c3ffc290 --- /dev/null +++ b/src/tools/clippy/tests/ui-toml/unnecessary_box_returns/clippy.toml @@ -0,0 +1 @@ +unnecessary-box-size = 64 diff --git a/src/tools/clippy/tests/ui-toml/unnecessary_box_returns/unnecessary_box_returns.fixed b/src/tools/clippy/tests/ui-toml/unnecessary_box_returns/unnecessary_box_returns.fixed new file mode 100644 index 000000000..413bc0bf1 --- /dev/null +++ b/src/tools/clippy/tests/ui-toml/unnecessary_box_returns/unnecessary_box_returns.fixed @@ -0,0 +1,11 @@ +#![warn(clippy::unnecessary_box_returns)] + +fn f() -> [u8; 64] { + //~^ ERROR: boxed return of the sized type `[u8; 64]` + todo!() +} +fn f2() -> Box<[u8; 65]> { + todo!() +} + +fn main() {} diff --git a/src/tools/clippy/tests/ui-toml/unnecessary_box_returns/unnecessary_box_returns.rs b/src/tools/clippy/tests/ui-toml/unnecessary_box_returns/unnecessary_box_returns.rs new file mode 100644 index 000000000..b44fbb554 --- /dev/null +++ b/src/tools/clippy/tests/ui-toml/unnecessary_box_returns/unnecessary_box_returns.rs @@ -0,0 +1,11 @@ +#![warn(clippy::unnecessary_box_returns)] + +fn f() -> Box<[u8; 64]> { + //~^ ERROR: boxed return of the sized type `[u8; 64]` + todo!() +} +fn f2() -> Box<[u8; 65]> { + todo!() +} + +fn main() {} diff --git a/src/tools/clippy/tests/ui-toml/unnecessary_box_returns/unnecessary_box_returns.stderr b/src/tools/clippy/tests/ui-toml/unnecessary_box_returns/unnecessary_box_returns.stderr new file mode 100644 index 000000000..df9aa37ac --- /dev/null +++ b/src/tools/clippy/tests/ui-toml/unnecessary_box_returns/unnecessary_box_returns.stderr @@ -0,0 +1,12 @@ +error: boxed return of the sized type `[u8; 64]` + --> $DIR/unnecessary_box_returns.rs:3:11 + | +LL | fn f() -> Box<[u8; 64]> { + | ^^^^^^^^^^^^^ help: try: `[u8; 64]` + | + = help: changing this also requires a change to the return expressions in this function + = note: `-D clippy::unnecessary-box-returns` implied by `-D warnings` + = help: to override `-D warnings` add `#[allow(clippy::unnecessary_box_returns)]` + +error: aborting due to previous error + |