1 files changed, 41 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/transmute_int_to_non_zero.rs b/src/tools/clippy/tests/ui/transmute_int_to_non_zero.rs
new file mode 100644
index 000000000..a38406782
--- /dev/null
+++ b/src/tools/clippy/tests/ui/transmute_int_to_non_zero.rs
@@ -0,0 +1,41 @@
+#![warn(clippy::transmute_int_to_non_zero)]
+
+use core::num::*;
+
+fn main() {
+    let int_u8: u8 = 1;
+    let int_u16: u16 = 1;
+    let int_u32: u32 = 1;
+    let int_u64: u64 = 1;
+    let int_u128: u128 = 1;
+
+    let int_i8: i8 = 1;
+    let int_i16: i16 = 1;
+    let int_i32: i32 = 1;
+    let int_i64: i64 = 1;
+    let int_i128: i128 = 1;
+
+    let _: NonZeroU8 = unsafe { std::mem::transmute(int_u8) };
+    let _: NonZeroU16 = unsafe { std::mem::transmute(int_u16) };
+    let _: NonZeroU32 = unsafe { std::mem::transmute(int_u32) };
+    let _: NonZeroU64 = unsafe { std::mem::transmute(int_u64) };
+    let _: NonZeroU128 = unsafe { std::mem::transmute(int_u128) };
+
+    let _: NonZeroI8 = unsafe { std::mem::transmute(int_i8) };
+    let _: NonZeroI16 = unsafe { std::mem::transmute(int_i16) };
+    let _: NonZeroI32 = unsafe { std::mem::transmute(int_i32) };
+    let _: NonZeroI64 = unsafe { std::mem::transmute(int_i64) };
+    let _: NonZeroI128 = unsafe { std::mem::transmute(int_i128) };
+
+    let _: NonZeroU8 = unsafe { NonZeroU8::new_unchecked(int_u8) };
+    let _: NonZeroU16 = unsafe { NonZeroU16::new_unchecked(int_u16) };
+    let _: NonZeroU32 = unsafe { NonZeroU32::new_unchecked(int_u32) };
+    let _: NonZeroU64 = unsafe { NonZeroU64::new_unchecked(int_u64) };
+    let _: NonZeroU128 = unsafe { NonZeroU128::new_unchecked(int_u128) };
+
+    let _: NonZeroI8 = unsafe { NonZeroI8::new_unchecked(int_i8) };
+    let _: NonZeroI16 = unsafe { NonZeroI16::new_unchecked(int_i16) };
+    let _: NonZeroI32 = unsafe { NonZeroI32::new_unchecked(int_i32) };
+    let _: NonZeroI64 = unsafe { NonZeroI64::new_unchecked(int_i64) };
+    let _: NonZeroI128 = unsafe { NonZeroI128::new_unchecked(int_i128) };
+}