1 files changed, 129 insertions, 0 deletions
diff --git a/src/test/compile-fail/const-eval-overflow.rs b/src/test/compile-fail/const-eval-overflow.rs
new file mode 100644
index 00000000000..f647c43e137
--- /dev/null
+++ b/src/test/compile-fail/const-eval-overflow.rs
@@ -0,0 +1,129 @@
+// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![allow(unused_imports)]
+
+// Note: the relevant lint pass here runs before some of the constant
+// evaluation below (e.g. that performed by trans and llvm), so if you
+// change this warn to a deny, then the compiler will exit before
+// those errors are detected.
+#![warn(unsigned_negation)]
+
+use std::fmt;
+use std::{i8, i16, i32, i64, isize};
+use std::{u8, u16, u32, u64, usize};
+
+const VALS_I8: (i8, i8, i8, i8) =
+    (-i8::MIN,
+     //~^ ERROR attempted to negate with overflow
+     i8::MIN - 1,
+     //~^ ERROR attempted to sub with overflow
+     i8::MAX + 1,
+     //~^ ERROR attempted to add with overflow
+     i8::MIN * 2,
+     //~^ ERROR attempted to mul with overflow
+     );
+
+const VALS_I16: (i16, i16, i16, i16) =
+    (-i16::MIN,
+     //~^ ERROR attempted to negate with overflow
+     i16::MIN - 1,
+     //~^ ERROR attempted to sub with overflow
+     i16::MAX + 1,
+     //~^ ERROR attempted to add with overflow
+     i16::MIN * 2,
+     //~^ ERROR attempted to mul with overflow
+     );
+
+const VALS_I32: (i32, i32, i32, i32) =
+    (-i32::MIN,
+     //~^ ERROR attempted to negate with overflow
+     i32::MIN - 1,
+     //~^ ERROR attempted to sub with overflow
+     i32::MAX + 1,
+     //~^ ERROR attempted to add with overflow
+     i32::MIN * 2,
+     //~^ ERROR attempted to mul with overflow
+     );
+
+const VALS_I64: (i64, i64, i64, i64) =
+    (-i64::MIN,
+     //~^ ERROR attempted to negate with overflow
+     i64::MIN - 1,
+     //~^ ERROR attempted to sub with overflow
+     i64::MAX + 1,
+     //~^ ERROR attempted to add with overflow
+     i64::MAX * 2,
+     //~^ ERROR attempted to mul with overflow
+     );
+
+const VALS_U8: (u8, u8, u8, u8) =
+    (-u8::MIN,
+     //~^ WARNING negation of unsigned int variable may be unintentional
+     // (The above is separately linted; unsigned negation is defined to be !x+1.)
+     u8::MIN - 1,
+     //~^ ERROR attempted to sub with overflow
+     u8::MAX + 1,
+     //~^ ERROR attempted to add with overflow
+     u8::MAX * 2,
+     //~^ ERROR attempted to mul with overflow
+     );
+
+const VALS_U16: (u16, u16, u16, u16) =
+    (-u16::MIN,
+     //~^ WARNING negation of unsigned int variable may be unintentional
+     // (The above is separately linted; unsigned negation is defined to be !x+1.)
+     u16::MIN - 1,
+     //~^ ERROR attempted to sub with overflow
+     u16::MAX + 1,
+     //~^ ERROR attempted to add with overflow
+     u16::MAX * 2,
+     //~^ ERROR attempted to mul with overflow
+     );
+
+const VALS_U32: (u32, u32, u32, u32) =
+    (-u32::MIN,
+     //~^ WARNING negation of unsigned int variable may be unintentional
+     // (The above is separately linted; unsigned negation is defined to be !x+1.)
+     u32::MIN - 1,
+     //~^ ERROR attempted to sub with overflow
+     u32::MAX + 1,
+     //~^ ERROR attempted to add with overflow
+     u32::MAX * 2,
+     //~^ ERROR attempted to mul with overflow
+     );
+
+const VALS_U64: (u64, u64, u64, u64) =
+    (-u64::MIN,
+     //~^ WARNING negation of unsigned int variable may be unintentional
+     // (The above is separately linted; unsigned negation is defined to be !x+1.)
+     u64::MIN - 1,
+     //~^ ERROR attempted to sub with overflow
+     u64::MAX + 1,
+     //~^ ERROR attempted to add with overflow
+     u64::MAX * 2,
+     //~^ ERROR attempted to mul with overflow
+     );
+
+fn main() {
+    foo(VALS_I8);
+    foo(VALS_I16);
+    foo(VALS_I32);
+    foo(VALS_I64);
+
+    foo(VALS_U8);
+    foo(VALS_U16);
+    foo(VALS_U32);
+    foo(VALS_U64);
+}
+
+fn foo<T:fmt::Debug>(x: T) {
+    println!("{:?}", x);
+}