Auto merge of #97944 - nikic:freebsd-update, r=Mark-Simulacrum

[rust.git] / src / tools / clippy / tests / ui / unnecessary_cast.rs

diff --git a/src/tools/clippy/tests/ui/unnecessary_cast.rs b/src/tools/clippy/tests/ui/unnecessary_cast.rs
index 62c3e9636866a5a67492f339ca706b97aea73c31..6c8cc3effe8fefcc9ca0cf5c806549bd0037b0f2 100644 (file)
--- a/src/tools/clippy/tests/ui/unnecessary_cast.rs
+++ b/src/tools/clippy/tests/ui/unnecessary_cast.rs
@@ -1,5 +1,12 @@
+// run-rustfix
 #![warn(clippy::unnecessary_cast)]
-#![allow(clippy::no_effect)]
+#![allow(
+    unused_must_use,
+    clippy::borrow_as_ptr,
+    clippy::no_effect,
+    clippy::nonstandard_macro_braces,
+    clippy::unnecessary_operation
+)]
 
 #[rustfmt::skip]
 fn main() {
@@ -37,3 +44,48 @@ pub fn $a() -> $b {
 }
 
 type I32Alias = i32;
+
+mod fixable {
+    #![allow(dead_code)]
+
+    fn main() {
+        // casting integer literal to float is unnecessary
+        100 as f32;
+        100 as f64;
+        100_i32 as f64;
+        let _ = -100 as f32;
+        let _ = -100 as f64;
+        let _ = -100_i32 as f64;
+        100. as f32;
+        100. as f64;
+        // Should not trigger
+        #[rustfmt::skip]
+        let v = vec!(1);
+        &v as &[i32];
+        0x10 as f32;
+        0o10 as f32;
+        0b10 as f32;
+        0x11 as f64;
+        0o11 as f64;
+        0b11 as f64;
+
+        1 as u32;
+        0x10 as i32;
+        0b10 as usize;
+        0o73 as u16;
+        1_000_000_000 as u32;
+
+        1.0 as f64;
+        0.5 as f32;
+
+        1.0 as u16;
+
+        let _ = -1 as i32;
+        let _ = -1.0 as f32;
+
+        let _ = 1 as I32Alias;
+        let _ = &1 as &I32Alias;
+    }
+
+    type I32Alias = i32;
+}