Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

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

1 files changed, 45 insertions, 0 deletions

diff --git a/src/tools/clippy/tests/ui/std_instead_of_core.rs b/src/tools/clippy/tests/ui/std_instead_of_core.rs
new file mode 100644
index 000000000..6b27475de
--- /dev/null
+++ b/src/tools/clippy/tests/ui/std_instead_of_core.rs
@@ -0,0 +1,45 @@
+#![warn(clippy::std_instead_of_core)]
+#![allow(unused_imports)]
+
+extern crate alloc;
+
+#[warn(clippy::std_instead_of_core)]
+fn std_instead_of_core() {
+    // Regular import
+    use std::hash::Hasher;
+    // Absolute path
+    use ::std::hash::Hash;
+    // Don't lint on `env` macro
+    use std::env;
+
+    // Multiple imports
+    use std::fmt::{Debug, Result};
+
+    // Function calls
+    let ptr = std::ptr::null::<u32>();
+    let ptr_mut = ::std::ptr::null_mut::<usize>();
+
+    // Types
+    let cell = std::cell::Cell::new(8u32);
+    let cell_absolute = ::std::cell::Cell::new(8u32);
+
+    let _ = std::env!("PATH");
+}
+
+#[warn(clippy::std_instead_of_alloc)]
+fn std_instead_of_alloc() {
+    // Only lint once.
+    use std::vec;
+    use std::vec::Vec;
+}
+
+#[warn(clippy::alloc_instead_of_core)]
+fn alloc_instead_of_core() {
+    use alloc::slice::from_ref;
+}
+
+fn main() {
+    std_instead_of_core();
+    std_instead_of_alloc();
+    alloc_instead_of_core();
+}