1 files changed, 154 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/unnecessary_cast.stderr b/src/tools/clippy/tests/ui/unnecessary_cast.stderr
new file mode 100644
index 000000000..bad45f002
--- /dev/null
+++ b/src/tools/clippy/tests/ui/unnecessary_cast.stderr
@@ -0,0 +1,154 @@
+error: casting integer literal to `i32` is unnecessary
+  --> $DIR/unnecessary_cast.rs:14:5
+   |
+LL |     1i32 as i32;
+   |     ^^^^^^^^^^^ help: try: `1_i32`
+   |
+   = note: `-D clippy::unnecessary-cast` implied by `-D warnings`
+
+error: casting float literal to `f32` is unnecessary
+  --> $DIR/unnecessary_cast.rs:15:5
+   |
+LL |     1f32 as f32;
+   |     ^^^^^^^^^^^ help: try: `1_f32`
+
+error: casting to the same type is unnecessary (`bool` -> `bool`)
+  --> $DIR/unnecessary_cast.rs:16:5
+   |
+LL |     false as bool;
+   |     ^^^^^^^^^^^^^ help: try: `false`
+
+error: casting integer literal to `i32` is unnecessary
+  --> $DIR/unnecessary_cast.rs:19:5
+   |
+LL |     -1_i32 as i32;
+   |     ^^^^^^^^^^^^^ help: try: `-1_i32`
+
+error: casting integer literal to `i32` is unnecessary
+  --> $DIR/unnecessary_cast.rs:20:5
+   |
+LL |     - 1_i32 as i32;
+   |     ^^^^^^^^^^^^^^ help: try: `- 1_i32`
+
+error: casting float literal to `f32` is unnecessary
+  --> $DIR/unnecessary_cast.rs:21:5
+   |
+LL |     -1f32 as f32;
+   |     ^^^^^^^^^^^^ help: try: `-1_f32`
+
+error: casting integer literal to `i32` is unnecessary
+  --> $DIR/unnecessary_cast.rs:22:5
+   |
+LL |     1_i32 as i32;
+   |     ^^^^^^^^^^^^ help: try: `1_i32`
+
+error: casting float literal to `f32` is unnecessary
+  --> $DIR/unnecessary_cast.rs:23:5
+   |
+LL |     1_f32 as f32;
+   |     ^^^^^^^^^^^^ help: try: `1_f32`
+
+error: casting integer literal to `f32` is unnecessary
+  --> $DIR/unnecessary_cast.rs:53:9
+   |
+LL |         100 as f32;
+   |         ^^^^^^^^^^ help: try: `100_f32`
+
+error: casting integer literal to `f64` is unnecessary
+  --> $DIR/unnecessary_cast.rs:54:9
+   |
+LL |         100 as f64;
+   |         ^^^^^^^^^^ help: try: `100_f64`
+
+error: casting integer literal to `f64` is unnecessary
+  --> $DIR/unnecessary_cast.rs:55:9
+   |
+LL |         100_i32 as f64;
+   |         ^^^^^^^^^^^^^^ help: try: `100_f64`
+
+error: casting integer literal to `f32` is unnecessary
+  --> $DIR/unnecessary_cast.rs:56:17
+   |
+LL |         let _ = -100 as f32;
+   |                 ^^^^^^^^^^^ help: try: `-100_f32`
+
+error: casting integer literal to `f64` is unnecessary
+  --> $DIR/unnecessary_cast.rs:57:17
+   |
+LL |         let _ = -100 as f64;
+   |                 ^^^^^^^^^^^ help: try: `-100_f64`
+
+error: casting integer literal to `f64` is unnecessary
+  --> $DIR/unnecessary_cast.rs:58:17
+   |
+LL |         let _ = -100_i32 as f64;
+   |                 ^^^^^^^^^^^^^^^ help: try: `-100_f64`
+
+error: casting float literal to `f32` is unnecessary
+  --> $DIR/unnecessary_cast.rs:59:9
+   |
+LL |         100. as f32;
+   |         ^^^^^^^^^^^ help: try: `100_f32`
+
+error: casting float literal to `f64` is unnecessary
+  --> $DIR/unnecessary_cast.rs:60:9
+   |
+LL |         100. as f64;
+   |         ^^^^^^^^^^^ help: try: `100_f64`
+
+error: casting integer literal to `u32` is unnecessary
+  --> $DIR/unnecessary_cast.rs:72:9
+   |
+LL |         1 as u32;
+   |         ^^^^^^^^ help: try: `1_u32`
+
+error: casting integer literal to `i32` is unnecessary
+  --> $DIR/unnecessary_cast.rs:73:9
+   |
+LL |         0x10 as i32;
+   |         ^^^^^^^^^^^ help: try: `0x10_i32`
+
+error: casting integer literal to `usize` is unnecessary
+  --> $DIR/unnecessary_cast.rs:74:9
+   |
+LL |         0b10 as usize;
+   |         ^^^^^^^^^^^^^ help: try: `0b10_usize`
+
+error: casting integer literal to `u16` is unnecessary
+  --> $DIR/unnecessary_cast.rs:75:9
+   |
+LL |         0o73 as u16;
+   |         ^^^^^^^^^^^ help: try: `0o73_u16`
+
+error: casting integer literal to `u32` is unnecessary
+  --> $DIR/unnecessary_cast.rs:76:9
+   |
+LL |         1_000_000_000 as u32;
+   |         ^^^^^^^^^^^^^^^^^^^^ help: try: `1_000_000_000_u32`
+
+error: casting float literal to `f64` is unnecessary
+  --> $DIR/unnecessary_cast.rs:78:9
+   |
+LL |         1.0 as f64;
+   |         ^^^^^^^^^^ help: try: `1.0_f64`
+
+error: casting float literal to `f32` is unnecessary
+  --> $DIR/unnecessary_cast.rs:79:9
+   |
+LL |         0.5 as f32;
+   |         ^^^^^^^^^^ help: try: `0.5_f32`
+
+error: casting integer literal to `i32` is unnecessary
+  --> $DIR/unnecessary_cast.rs:83:17
+   |
+LL |         let _ = -1 as i32;
+   |                 ^^^^^^^^^ help: try: `-1_i32`
+
+error: casting float literal to `f32` is unnecessary
+  --> $DIR/unnecessary_cast.rs:84:17
+   |
+LL |         let _ = -1.0 as f32;
+   |                 ^^^^^^^^^^^ help: try: `-1.0_f32`
+
+error: aborting due to 25 previous errors
+