Add test for libsyntax with canonicalized base path

src/test/run-pass-fulldeps/mod_dir_path_canonicalized.rs

@@ -0,0 +1,38 @@
+// Copyright 2012-2014 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.
+
+// Testing that a libsyntax can parse modules with canonicalized base path
+// ignore-cross-compile
+
+#![feature(rustc_private)]
+
+extern crate syntax;
+
+use std::path::Path;
+use syntax::codemap::FilePathMapping;
+use syntax::parse::{self, ParseSess};
+
+#[path = "mod_dir_simple/test.rs"]
+mod gravy;
+
+pub fn main() {
+    syntax::with_globals(|| parse());
+
+    assert_eq!(gravy::foo(), 10);
+}
+
+fn parse() {
+    let parse_session = ParseSess::new(FilePathMapping::empty());
+
+    let path = Path::new(file!());
+    let path = path.canonicalize().unwrap();
+    let mut parser = parse::new_parser_from_file(&parse_session, &path);
+    let _ = parser.parse_crate_mod();
+}

src/test/run-pass-fulldeps/mod_dir_simple/test.rs

@@ -0,0 +1,11 @@
+// Copyright 2012 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.
+
+pub fn foo() -> isize { 10 }