[NaCl SDK] nacl_io: Replace allocated ino with hash of path.

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 452 matching lines @@
 
   StringMap_t map;
   ScopedRef<Html5FsForTesting> fs(new Html5FsForTesting(map, &ppapi_));
 
   ScopedNode root;
   ASSERT_EQ(0, fs->Open(Path("/"), O_RDONLY, &root));
 
   ScopedNode node;
   ASSERT_EQ(0, fs->Open(Path("/file"), O_RDWR, &node));
 
+  struct stat stat;
+  ASSERT_EQ(0, node->GetStat(&stat));
+  ino_t file1_ino = stat.st_ino;
+
   // Should fail for regular files.
   const size_t kMaxDirents = 5;
   dirent dirents[kMaxDirents];
   int bytes_read = 1;  // Set to a non-zero value.
 
   memset(&dirents[0], 0, sizeof(dirents));
   EXPECT_EQ(ENOTDIR,
             node->GetDents(0, &dirents[0], sizeof(dirents), &bytes_read));
   EXPECT_EQ(0, bytes_read);
 
@@ skipping 16 matching lines @@
       dirnames.insert(dirents[i].d_name);
     }
 
     EXPECT_EQ(1, dirnames.count("file"));
     EXPECT_EQ(1, dirnames.count("."));
     EXPECT_EQ(1, dirnames.count(".."));
   }
 
   // Add another file...
   ASSERT_EQ(0, fs->Open(Path("/file2"), O_CREAT, &node));
+  ASSERT_EQ(0, node->GetStat(&stat));
+  ino_t file2_ino = stat.st_ino;
+
+  // These files SHOULD not hash to the same value but COULD.
+  EXPECT_NE(file1_ino, file2_ino);
 
   // Read the root directory again.
   memset(&dirents[0], 0, sizeof(dirents));
   EXPECT_EQ(0, root->GetDents(0, &dirents[0], sizeof(dirents), &bytes_read));
 
   {
     size_t num_dirents = bytes_read / sizeof(dirent);
     EXPECT_EQ(4, num_dirents);
     EXPECT_EQ(sizeof(dirent) * num_dirents, bytes_read);
 
     std::multiset<std::string> dirnames;
     for (size_t i = 0; i < num_dirents; ++i) {
       EXPECT_EQ(sizeof(dirent), dirents[i].d_off);
       EXPECT_EQ(sizeof(dirent), dirents[i].d_reclen);
       dirnames.insert(dirents[i].d_name);
+
+      if (!strcmp(dirents[i].d_name, "file")) {
+        EXPECT_EQ(dirents[i].d_ino, file1_ino);
+      }
+      if (!strcmp(dirents[i].d_name, "file2")) {
+        EXPECT_EQ(dirents[i].d_ino, file2_ino);
+      }
     }
 
     EXPECT_EQ(1, dirnames.count("file"));
     EXPECT_EQ(1, dirnames.count("file2"));
     EXPECT_EQ(1, dirnames.count("."));
     EXPECT_EQ(1, dirnames.count(".."));
   }
 }