1 files changed, 27 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/decimal_literal_representation.rs b/src/tools/clippy/tests/ui/decimal_literal_representation.rs
new file mode 100644
index 000000000..55d07698e
--- /dev/null
+++ b/src/tools/clippy/tests/ui/decimal_literal_representation.rs
@@ -0,0 +1,27 @@
+// run-rustfix
+
+#[warn(clippy::decimal_literal_representation)]
+#[allow(unused_variables)]
+#[rustfmt::skip]
+fn main() {
+    let good = (       // Hex:
+        127,           // 0x7F
+        256,           // 0x100
+        511,           // 0x1FF
+        2048,          // 0x800
+        4090,          // 0xFFA
+        16_371,        // 0x3FF3
+        61_683,        // 0xF0F3
+        2_131_750_925, // 0x7F0F_F00D
+    );
+    let bad = (        // Hex:
+        32_773,        // 0x8005
+        65_280,        // 0xFF00
+        2_131_750_927, // 0x7F0F_F00F
+        2_147_483_647, // 0x7FFF_FFFF
+        #[allow(overflowing_literals)]
+        4_042_322_160, // 0xF0F0_F0F0
+        32_773usize,   // 0x8005_usize
+        2_131_750_927isize, // 0x7F0F_F00F_isize
+    );
+}