add unit test for the new and the changed errors

Author: oli-obk

src/test/compile-fail/const-integer-bool-ops.rs

@@ -0,0 +1,46 @@
+// 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.
+
+const X: usize = 42 && 39; //~ ERROR: can't do this op on unsigned integrals
+const ARR: [i32; X] = [99; 34]; //~ NOTE: for array length here
+
+const X1: usize = 42 || 39; //~ ERROR: can't do this op on unsigned integrals
+const ARR1: [i32; X1] = [99; 47]; //~ NOTE: for array length here
+
+// FIXME: the error should be `on signed integrals`
+const X2: usize = -42 || -39; //~ ERROR: can't do this op on unsigned integrals
+const ARR2: [i32; X2] = [99; 18446744073709551607]; //~ NOTE: for array length here
+
+// FIXME: the error should be `on signed integrals`
+const X3: usize = -42 && -39; //~ ERROR: can't do this op on unsigned integrals
+const ARR3: [i32; X3] = [99; 6]; //~ NOTE: for array length here
+
+const Y: usize = 42.0 == 42.0;
+const ARRR: [i32; Y] = [99; 1]; //~ ERROR: expected constant integer expression for array length
+const Y1: usize = 42.0 >= 42.0;
+const ARRR1: [i32; Y] = [99; 1]; //~ ERROR: expected constant integer expression for array length
+const Y2: usize = 42.0 <= 42.0;
+const ARRR2: [i32; Y] = [99; 1]; //~ ERROR: expected constant integer expression for array length
+const Y3: usize = 42.0 > 42.0;
+const ARRR3: [i32; Y] = [99; 0]; //~ ERROR: expected constant integer expression for array length
+const Y4: usize = 42.0 < 42.0;
+const ARRR4: [i32; Y] = [99; 0]; //~ ERROR: expected constant integer expression for array length
+const Y5: usize = 42.0 != 42.0;
+const ARRR5: [i32; Y] = [99; 0]; //~ ERROR: expected constant integer expression for array length
+
+fn main() {
+    let _ = ARR;
+    let _ = ARRR;
+    let _ = ARRR1;
+    let _ = ARRR2;
+    let _ = ARRR3;
+    let _ = ARRR4;
+    let _ = ARRR5;
+}