From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 17 Apr 2024 14:02:58 +0200
Subject: Adding upstream version 1.64.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../tests/ui/out_of_bounds_indexing/issue-3102.rs  | 11 ++++++
 .../ui/out_of_bounds_indexing/issue-3102.stderr    | 16 +++++++++
 .../tests/ui/out_of_bounds_indexing/simple.rs      | 22 ++++++++++++
 .../tests/ui/out_of_bounds_indexing/simple.stderr  | 40 ++++++++++++++++++++++
 4 files changed, 89 insertions(+)
 create mode 100644 src/tools/clippy/tests/ui/out_of_bounds_indexing/issue-3102.rs
 create mode 100644 src/tools/clippy/tests/ui/out_of_bounds_indexing/issue-3102.stderr
 create mode 100644 src/tools/clippy/tests/ui/out_of_bounds_indexing/simple.rs
 create mode 100644 src/tools/clippy/tests/ui/out_of_bounds_indexing/simple.stderr

(limited to 'src/tools/clippy/tests/ui/out_of_bounds_indexing')

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
+
-- 
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