Added testcases for match keyword

Added testcases for `match` keyword including test for issue #5625.

Author: dim-an

src/test/run-pass/match-enum-struct-0.rs

@@ -0,0 +1,26 @@
+// Copyright 2013 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.
+
+// xfail-test
+
+// regression test for issue #5625
+
+enum E {
+    Foo{f : int},
+    Bar
+}
+
+pub fn main() {
+    let e = Bar;
+    match e {
+        Foo{f: _f} => fail!(),
+        _ => (),
+    }
+}

src/test/run-pass/match-enum-struct-1.rs

@@ -0,0 +1,26 @@
+// Copyright 2013 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.
+
+enum E {
+    Foo{f : int},
+    Bar
+}
+
+pub fn main() {
+    let e = Foo{f: 1};
+    match e {
+        Foo{_} => (),
+        _ => fail!(),
+    }
+    match e {
+        Foo{f: _f} => (),
+        _ => fail!(),
+    }
+}

src/test/run-pass/match-struct-0.rs

@@ -0,0 +1,29 @@
+// Copyright 2013 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.
+
+struct Foo{
+    f : int,
+}
+
+pub fn main() {
+    let f = Foo{f: 1};
+    match f {
+        Foo{f: 0} => fail!(),
+        Foo{_} => (),
+    }
+    match f {
+        Foo{f: 0} => fail!(),
+        Foo{f: _f} => (),
+    }
+    match f {
+        Foo{f: 0} => fail!(),
+        _ => (),
+    }
+}