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>
---
 src/tools/clippy/tests/ui/needless_range_loop2.rs | 109 ++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 src/tools/clippy/tests/ui/needless_range_loop2.rs

(limited to 'src/tools/clippy/tests/ui/needless_range_loop2.rs')

diff --git a/src/tools/clippy/tests/ui/needless_range_loop2.rs b/src/tools/clippy/tests/ui/needless_range_loop2.rs
new file mode 100644
index 000000000..7633316e0
--- /dev/null
+++ b/src/tools/clippy/tests/ui/needless_range_loop2.rs
@@ -0,0 +1,109 @@
+#![warn(clippy::needless_range_loop)]
+
+fn calc_idx(i: usize) -> usize {
+    (i + i + 20) % 4
+}
+
+fn main() {
+    let ns = vec![2, 3, 5, 7];
+
+    for i in 3..10 {
+        println!("{}", ns[i]);
+    }
+
+    for i in 3..10 {
+        println!("{}", ns[i % 4]);
+    }
+
+    for i in 3..10 {
+        println!("{}", ns[i % ns.len()]);
+    }
+
+    for i in 3..10 {
+        println!("{}", ns[calc_idx(i)]);
+    }
+
+    for i in 3..10 {
+        println!("{}", ns[calc_idx(i) % 4]);
+    }
+
+    let mut ms = vec![1, 2, 3, 4, 5, 6];
+    for i in 0..ms.len() {
+        ms[i] *= 2;
+    }
+    assert_eq!(ms, vec![2, 4, 6, 8, 10, 12]);
+
+    let mut ms = vec![1, 2, 3, 4, 5, 6];
+    for i in 0..ms.len() {
+        let x = &mut ms[i];
+        *x *= 2;
+    }
+    assert_eq!(ms, vec![2, 4, 6, 8, 10, 12]);
+
+    let g = vec![1, 2, 3, 4, 5, 6];
+    let glen = g.len();
+    for i in 0..glen {
+        let x: u32 = g[i + 1..].iter().sum();
+        println!("{}", g[i] + x);
+    }
+    assert_eq!(g, vec![20, 18, 15, 11, 6, 0]);
+
+    let mut g = vec![1, 2, 3, 4, 5, 6];
+    let glen = g.len();
+    for i in 0..glen {
+        g[i] = g[i + 1..].iter().sum();
+    }
+    assert_eq!(g, vec![20, 18, 15, 11, 6, 0]);
+
+    let x = 5;
+    let mut vec = vec![0; 9];
+
+    for i in x..x + 4 {
+        vec[i] += 1;
+    }
+
+    let x = 5;
+    let mut vec = vec![0; 10];
+
+    for i in x..=x + 4 {
+        vec[i] += 1;
+    }
+
+    let arr = [1, 2, 3];
+
+    for i in 0..3 {
+        println!("{}", arr[i]);
+    }
+
+    for i in 0..2 {
+        println!("{}", arr[i]);
+    }
+
+    for i in 1..3 {
+        println!("{}", arr[i]);
+    }
+
+    // Fix #5945
+    let mut vec = vec![1, 2, 3, 4];
+    for i in 0..vec.len() - 1 {
+        vec[i] += 1;
+    }
+    let mut vec = vec![1, 2, 3, 4];
+    for i in vec.len() - 3..vec.len() {
+        vec[i] += 1;
+    }
+    let mut vec = vec![1, 2, 3, 4];
+    for i in vec.len() - 3..vec.len() - 1 {
+        vec[i] += 1;
+    }
+}
+
+mod issue2277 {
+    pub fn example(list: &[[f64; 3]]) {
+        let mut x: [f64; 3] = [10.; 3];
+
+        for i in 0..3 {
+            x[i] = list.iter().map(|item| item[i]).sum::<f64>();
+        }
+    }
+}
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