Merging upstream version 1.72.1+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 77 insertions, 0 deletions

diff --git a/src/tools/clippy/tests/ui/drain_collect.rs b/src/tools/clippy/tests/ui/drain_collect.rs
new file mode 100644
index 000000000..373a3ca35
--- /dev/null
+++ b/src/tools/clippy/tests/ui/drain_collect.rs
@@ -0,0 +1,77 @@
+//@run-rustfix
+
+#![deny(clippy::drain_collect)]
+#![allow(dead_code)]
+
+use std::collections::{BinaryHeap, HashMap, HashSet, VecDeque};
+
+fn binaryheap(b: &mut BinaryHeap<i32>) -> BinaryHeap<i32> {
+    b.drain().collect()
+}
+
+fn binaryheap_dont_lint(b: &mut BinaryHeap<i32>) -> HashSet<i32> {
+    b.drain().collect()
+}
+
+fn hashmap(b: &mut HashMap<i32, i32>) -> HashMap<i32, i32> {
+    b.drain().collect()
+}
+
+fn hashmap_dont_lint(b: &mut HashMap<i32, i32>) -> Vec<(i32, i32)> {
+    b.drain().collect()
+}
+
+fn hashset(b: &mut HashSet<i32>) -> HashSet<i32> {
+    b.drain().collect()
+}
+
+fn hashset_dont_lint(b: &mut HashSet<i32>) -> Vec<i32> {
+    b.drain().collect()
+}
+
+fn vecdeque(b: &mut VecDeque<i32>) -> VecDeque<i32> {
+    b.drain(..).collect()
+}
+
+fn vecdeque_dont_lint(b: &mut VecDeque<i32>) -> HashSet<i32> {
+    b.drain(..).collect()
+}
+
+fn vec(b: &mut Vec<i32>) -> Vec<i32> {
+    b.drain(..).collect()
+}
+
+fn vec2(b: &mut Vec<i32>) -> Vec<i32> {
+    b.drain(0..).collect()
+}
+
+fn vec3(b: &mut Vec<i32>) -> Vec<i32> {
+    b.drain(..b.len()).collect()
+}
+
+fn vec4(b: &mut Vec<i32>) -> Vec<i32> {
+    b.drain(0..b.len()).collect()
+}
+
+fn vec_no_reborrow() -> Vec<i32> {
+    let mut b = vec![1, 2, 3];
+    b.drain(..).collect()
+}
+
+fn vec_dont_lint(b: &mut Vec<i32>) -> HashSet<i32> {
+    b.drain(..).collect()
+}
+
+fn string(b: &mut String) -> String {
+    b.drain(..).collect()
+}
+
+fn string_dont_lint(b: &mut String) -> HashSet<char> {
+    b.drain(..).collect()
+}
+
+fn not_whole_length(v: &mut Vec<i32>) -> Vec<i32> {
+    v.drain(1..).collect()
+}
+
+fn main() {}