1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/ui/lint/type-overflow.rs b/src/test/ui/lint/type-overflow.rs
new file mode 100644
index 000000000..6234b794c
--- /dev/null
+++ b/src/test/ui/lint/type-overflow.rs
@@ -0,0 +1,22 @@
+// check-pass
+#![warn(overflowing_literals)]
+
+fn main() {
+    let error = 255i8; //~WARNING literal out of range for `i8`
+
+    let ok = 0b1000_0001; // should be ok -> i32
+    let ok = 0b0111_1111i8; // should be ok -> 127i8
+
+    let fail = 0b1000_0001i8; //~WARNING literal out of range for `i8`
+
+    let fail = 0x8000_0000_0000_0000i64; //~WARNING literal out of range for `i64`
+
+    let fail = 0x1_FFFF_FFFFu32; //~WARNING literal out of range for `u32`
+
+    let fail: i128 = 0x8000_0000_0000_0000_0000_0000_0000_0000;
+    //~^ WARNING literal out of range for `i128`
+
+    let fail = 0x8FFF_FFFF_FFFF_FFFE; //~WARNING literal out of range for `i32`
+
+    let fail = -0b1111_1111i8; //~WARNING literal out of range for `i8`
+}