1 files changed, 70 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/cast_lossless_float.stderr b/src/tools/clippy/tests/ui/cast_lossless_float.stderr
new file mode 100644
index 000000000..8326d40be
--- /dev/null
+++ b/src/tools/clippy/tests/ui/cast_lossless_float.stderr
@@ -0,0 +1,70 @@
+error: casting `i8` to `f32` may become silently lossy if you later change the type
+  --> $DIR/cast_lossless_float.rs:9:13
+   |
+LL |     let _ = x0 as f32;
+   |             ^^^^^^^^^ help: try: `f32::from(x0)`
+   |
+   = note: `-D clippy::cast-lossless` implied by `-D warnings`
+
+error: casting `i8` to `f64` may become silently lossy if you later change the type
+  --> $DIR/cast_lossless_float.rs:10:13
+   |
+LL |     let _ = x0 as f64;
+   |             ^^^^^^^^^ help: try: `f64::from(x0)`
+
+error: casting `u8` to `f32` may become silently lossy if you later change the type
+  --> $DIR/cast_lossless_float.rs:12:13
+   |
+LL |     let _ = x1 as f32;
+   |             ^^^^^^^^^ help: try: `f32::from(x1)`
+
+error: casting `u8` to `f64` may become silently lossy if you later change the type
+  --> $DIR/cast_lossless_float.rs:13:13
+   |
+LL |     let _ = x1 as f64;
+   |             ^^^^^^^^^ help: try: `f64::from(x1)`
+
+error: casting `i16` to `f32` may become silently lossy if you later change the type
+  --> $DIR/cast_lossless_float.rs:15:13
+   |
+LL |     let _ = x2 as f32;
+   |             ^^^^^^^^^ help: try: `f32::from(x2)`
+
+error: casting `i16` to `f64` may become silently lossy if you later change the type
+  --> $DIR/cast_lossless_float.rs:16:13
+   |
+LL |     let _ = x2 as f64;
+   |             ^^^^^^^^^ help: try: `f64::from(x2)`
+
+error: casting `u16` to `f32` may become silently lossy if you later change the type
+  --> $DIR/cast_lossless_float.rs:18:13
+   |
+LL |     let _ = x3 as f32;
+   |             ^^^^^^^^^ help: try: `f32::from(x3)`
+
+error: casting `u16` to `f64` may become silently lossy if you later change the type
+  --> $DIR/cast_lossless_float.rs:19:13
+   |
+LL |     let _ = x3 as f64;
+   |             ^^^^^^^^^ help: try: `f64::from(x3)`
+
+error: casting `i32` to `f64` may become silently lossy if you later change the type
+  --> $DIR/cast_lossless_float.rs:21:13
+   |
+LL |     let _ = x4 as f64;
+   |             ^^^^^^^^^ help: try: `f64::from(x4)`
+
+error: casting `u32` to `f64` may become silently lossy if you later change the type
+  --> $DIR/cast_lossless_float.rs:23:13
+   |
+LL |     let _ = x5 as f64;
+   |             ^^^^^^^^^ help: try: `f64::from(x5)`
+
+error: casting `f32` to `f64` may become silently lossy if you later change the type
+  --> $DIR/cast_lossless_float.rs:26:13
+   |
+LL |     let _ = 1.0f32 as f64;
+   |             ^^^^^^^^^^^^^ help: try: `f64::from(1.0f32)`
+
+error: aborting due to 11 previous errors
+