From 461f4a34660691675434a318ac4fd61a83444428 Mon Sep 17 00:00:00 2001
From: rail <12975677+rail-rain@users.noreply.github.com>
Date: Thu, 30 Apr 2020 17:32:37 +1200
Subject: [PATCH] Add missing tests

---
 tests/ui/manual_memcpy.rs     | 10 ++++++++++
 tests/ui/manual_memcpy.stderr | 16 ++++++++++++++--
 2 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/tests/ui/manual_memcpy.rs b/tests/ui/manual_memcpy.rs
index 1f41838fa16..9c24d6d4db1 100644
--- a/tests/ui/manual_memcpy.rs
+++ b/tests/ui/manual_memcpy.rs
@@ -99,6 +99,16 @@ fn index(&self, _: usize) -> &i32 {
         dst[i] = src[i - from];
     }
 
+    #[allow(clippy::identity_op)]
+    for i in 0..5 {
+        dst[i - 0] = src[i];
+    }
+
+    #[allow(clippy::reverse_range_loop)]
+    for i in 0..0 {
+        dst[i] = src[i];
+    }
+
     // `RangeTo` `for` loop - don't trigger lint
     for i in 0.. {
         dst[i] = src[i];
diff --git a/tests/ui/manual_memcpy.stderr b/tests/ui/manual_memcpy.stderr
index 95114c46f36..bad84a58900 100644
--- a/tests/ui/manual_memcpy.stderr
+++ b/tests/ui/manual_memcpy.stderr
@@ -67,10 +67,22 @@ LL |     for i in from..from + 3 {
    |              ^^^^^^^^^^^^^^ help: try replacing the loop by: `dst[from..from + 3].clone_from_slice(&src[..(from + 3 - from)])`
 
 error: it looks like you're manually copying between slices
-  --> $DIR/manual_memcpy.rs:110:14
+  --> $DIR/manual_memcpy.rs:103:14
+   |
+LL |     for i in 0..5 {
+   |              ^^^^ help: try replacing the loop by: `dst[..5].clone_from_slice(&src[..5])`
+
+error: it looks like you're manually copying between slices
+  --> $DIR/manual_memcpy.rs:108:14
+   |
+LL |     for i in 0..0 {
+   |              ^^^^ help: try replacing the loop by: `dst[..0].clone_from_slice(&src[..0])`
+
+error: it looks like you're manually copying between slices
+  --> $DIR/manual_memcpy.rs:120:14
    |
 LL |     for i in 0..src.len() {
    |              ^^^^^^^^^^^^ help: try replacing the loop by: `dst[..src.len()].clone_from_slice(&src[..])`
 
-error: aborting due to 11 previous errors
+error: aborting due to 13 previous errors