[NaCl SDK] nacl_io: Allows subtree of html5fs to be mounted.

native_client_sdk/src/tests/nacl_io_test/html5_fs_test.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <errno.h>
 #include <fcntl.h>
 
 #include <set>
 #include <string>
 
@@ skipping 131 matching lines @@
     map["filesystem_resource"] = buffer;
     ScopedRef<Html5FsForTesting> fs(
         new Html5FsForTesting(map, &ppapi_));
 
     ASSERT_EQ(0, fs->Access(Path("/foo"), R_OK | W_OK | X_OK));
 
     ppapi_html5_.GetCoreInterface()->ReleaseResource(filesystem);
   }
 }
 
+TEST_F(Html5FsTest, MountSubtree) {
+  EXPECT_TRUE(ppapi_html5_.filesystem_template()->AddEmptyFile("/foo/bar",
+                                                               NULL));
+  StringMap_t map;
+  map["SOURCE"] = "/foo";
+  ScopedRef<Html5FsForTesting> fs(new Html5FsForTesting(map, &ppapi_));
+
+  ASSERT_EQ(0, fs->Access(Path("/bar"), R_OK | W_OK | X_OK));
+  ASSERT_EQ(ENOENT, fs->Access(Path("/foo/bar"), F_OK));
+}
+
 TEST_F(Html5FsTest, Access) {
   EXPECT_TRUE(ppapi_html5_.filesystem_template()->AddEmptyFile("/foo", NULL));
 
   StringMap_t map;
   ScopedRef<Html5FsForTesting> fs(new Html5FsForTesting(map, &ppapi_));
 
   ASSERT_EQ(0, fs->Access(Path("/foo"), R_OK | W_OK | X_OK));
   ASSERT_EQ(ENOENT, fs->Access(Path("/bar"), F_OK));
 }
 
@@ skipping 20 matching lines @@
 
   StringMap_t map;
   ScopedRef<Html5FsForTesting> fs(new Html5FsForTesting(map, &ppapi_));
 
   Path path("/foo");
   ASSERT_EQ(0, fs->Access(path, F_OK));
   ASSERT_EQ(0, fs->Remove(path));
   EXPECT_EQ(ENOENT, fs->Access(path, F_OK));
 }
 
-// Unlink + Rmdir forward to Remove unconditionally, which will not fail if the
-// file type is wrong.
-TEST_F(Html5FsTest, DISABLED_Unlink) {
+TEST_F(Html5FsTest, Unlink) {
   EXPECT_TRUE(ppapi_html5_.filesystem_template()->AddEmptyFile("/file", NULL));
   EXPECT_TRUE(ppapi_html5_.filesystem_template()->AddDirectory("/dir", NULL));
 
   StringMap_t map;
   ScopedRef<Html5FsForTesting> fs(new Html5FsForTesting(map, &ppapi_));
 
   ASSERT_EQ(EISDIR, fs->Unlink(Path("/dir")));
   EXPECT_EQ(0, fs->Unlink(Path("/file")));
   EXPECT_EQ(ENOENT, fs->Access(Path("/file"), F_OK));
   EXPECT_EQ(0, fs->Access(Path("/dir"), F_OK));
 }
 
-// Unlink + Rmdir forward to Remove unconditionally, which will not fail if the
-// file type is wrong.
-TEST_F(Html5FsTest, DISABLED_Rmdir) {
+TEST_F(Html5FsTest, Rmdir) {
   EXPECT_TRUE(ppapi_html5_.filesystem_template()->AddEmptyFile("/file", NULL));
   EXPECT_TRUE(ppapi_html5_.filesystem_template()->AddDirectory("/dir", NULL));
 
   StringMap_t map;
   ScopedRef<Html5FsForTesting> fs(new Html5FsForTesting(map, &ppapi_));
 
   ASSERT_EQ(ENOTDIR, fs->Rmdir(Path("/file")));
   EXPECT_EQ(0, fs->Rmdir(Path("/dir")));
   EXPECT_EQ(ENOENT, fs->Access(Path("/dir"), F_OK));
   EXPECT_EQ(0, fs->Access(Path("/file"), F_OK));
@@ skipping 297 matching lines @@
       EXPECT_EQ(sizeof(dirent), dirents[i].d_reclen);
       dirnames.insert(dirents[i].d_name);
     }
 
     EXPECT_EQ(1, dirnames.count("file"));
     EXPECT_EQ(1, dirnames.count("file2"));
     EXPECT_EQ(1, dirnames.count("."));
     EXPECT_EQ(1, dirnames.count(".."));
   }
 }