Add warnings when the #[should_panic] attribute is invalid

1 files changed, 46 insertions, 0 deletions

diff --git a/src/test/run-pass/test-should-panic-attr.rs b/src/test/run-pass/test-should-panic-attr.rs
new file mode 100644
index 00000000000..2d068872a4d
--- /dev/null
+++ b/src/test/run-pass/test-should-panic-attr.rs
@@ -0,0 +1,46 @@
+// Copyright 2016 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.
+
+// compile-flags: --test
+
+#[test]
+#[should_panic = "foo"]
+//~^ WARN: attribute must be of the form:
+fn test1() {
+    panic!();
+}
+
+#[test]
+#[should_panic(expected)]
+//~^ WARN: argument must be of the form:
+fn test2() {
+    panic!();
+}
+
+#[test]
+#[should_panic(expect)]
+//~^ WARN: argument must be of the form:
+fn test3() {
+    panic!();
+}
+
+#[test]
+#[should_panic(expected(foo, bar))]
+//~^ WARN: argument must be of the form:
+fn test4() {
+    panic!();
+}
+
+#[test]
+#[should_panic(expected = "foo", bar)]
+//~^ WARN: argument must be of the form:
+fn test5() {
+    panic!();
+}