diff options
Diffstat (limited to 'src/tools/clippy/tests/ui/out_of_bounds_indexing')
4 files changed, 89 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/out_of_bounds_indexing/issue-3102.rs b/src/tools/clippy/tests/ui/out_of_bounds_indexing/issue-3102.rs new file mode 100644 index 000000000..f20a0ede1 --- /dev/null +++ b/src/tools/clippy/tests/ui/out_of_bounds_indexing/issue-3102.rs @@ -0,0 +1,11 @@ +#![warn(clippy::out_of_bounds_indexing)] +#![allow(clippy::no_effect, const_err)] + +fn main() { + let x = [1, 2, 3, 4]; + + // issue 3102 + let num = 1; + &x[num..10]; // should trigger out of bounds error + &x[10..num]; // should trigger out of bounds error +} diff --git a/src/tools/clippy/tests/ui/out_of_bounds_indexing/issue-3102.stderr b/src/tools/clippy/tests/ui/out_of_bounds_indexing/issue-3102.stderr new file mode 100644 index 000000000..516c1df40 --- /dev/null +++ b/src/tools/clippy/tests/ui/out_of_bounds_indexing/issue-3102.stderr @@ -0,0 +1,16 @@ +error: range is out of bounds + --> $DIR/issue-3102.rs:9:13 + | +LL | &x[num..10]; // should trigger out of bounds error + | ^^ + | + = note: `-D clippy::out-of-bounds-indexing` implied by `-D warnings` + +error: range is out of bounds + --> $DIR/issue-3102.rs:10:8 + | +LL | &x[10..num]; // should trigger out of bounds error + | ^^ + +error: aborting due to 2 previous errors + diff --git a/src/tools/clippy/tests/ui/out_of_bounds_indexing/simple.rs b/src/tools/clippy/tests/ui/out_of_bounds_indexing/simple.rs new file mode 100644 index 000000000..590e578d7 --- /dev/null +++ b/src/tools/clippy/tests/ui/out_of_bounds_indexing/simple.rs @@ -0,0 +1,22 @@ +#![warn(clippy::out_of_bounds_indexing)] +#![allow(clippy::no_effect, clippy::unnecessary_operation, const_err)] + +fn main() { + let x = [1, 2, 3, 4]; + + &x[..=4]; + &x[1..5]; + &x[5..]; + &x[..5]; + &x[5..].iter().map(|x| 2 * x).collect::<Vec<i32>>(); + &x[0..=4]; + + &x[4..]; // Ok, should not produce stderr. + &x[..4]; // Ok, should not produce stderr. + &x[..]; // Ok, should not produce stderr. + &x[1..]; // Ok, should not produce stderr. + &x[2..].iter().map(|x| 2 * x).collect::<Vec<i32>>(); // Ok, should not produce stderr. + + &x[0..].get(..3); // Ok, should not produce stderr. + &x[0..3]; // Ok, should not produce stderr. +} diff --git a/src/tools/clippy/tests/ui/out_of_bounds_indexing/simple.stderr b/src/tools/clippy/tests/ui/out_of_bounds_indexing/simple.stderr new file mode 100644 index 000000000..3d95afcda --- /dev/null +++ b/src/tools/clippy/tests/ui/out_of_bounds_indexing/simple.stderr @@ -0,0 +1,40 @@ +error: range is out of bounds + --> $DIR/simple.rs:7:11 + | +LL | &x[..=4]; + | ^ + | + = note: `-D clippy::out-of-bounds-indexing` implied by `-D warnings` + +error: range is out of bounds + --> $DIR/simple.rs:8:11 + | +LL | &x[1..5]; + | ^ + +error: range is out of bounds + --> $DIR/simple.rs:9:8 + | +LL | &x[5..]; + | ^ + +error: range is out of bounds + --> $DIR/simple.rs:10:10 + | +LL | &x[..5]; + | ^ + +error: range is out of bounds + --> $DIR/simple.rs:11:8 + | +LL | &x[5..].iter().map(|x| 2 * x).collect::<Vec<i32>>(); + | ^ + +error: range is out of bounds + --> $DIR/simple.rs:12:12 + | +LL | &x[0..=4]; + | ^ + +error: aborting due to 6 previous errors + |