Properly honor base::SharedMemory semantics for name="" to mean...

base/file_util_unittest.cc

Index: base/file_util_unittest.cc
===================================================================
--- base/file_util_unittest.cc	(revision 8817)
+++ base/file_util_unittest.cc	(working copy)
@@ -688,12 +688,42 @@
 #endif
 
 TEST_F(FileUtilTest, CreateTemporaryFileNameTest) {
-  std::wstring temp_file;
-  ASSERT_TRUE(file_util::CreateTemporaryFileName(&temp_file));
-  EXPECT_TRUE(file_util::PathExists(temp_file));
-  EXPECT_TRUE(file_util::Delete(temp_file, false));
+  std::wstring temp_files[3];
+  for (int i = 0; i < 3; i++) {
+    ASSERT_TRUE(file_util::CreateTemporaryFileName(&(temp_files[i])));
+    EXPECT_TRUE(file_util::PathExists(temp_files[i]));
+    EXPECT_FALSE(file_util::DirectoryExists(temp_files[i]));
+  }
+  for (int i = 0; i < 3; i++)
+    EXPECT_FALSE(temp_files[i] == temp_files[(i+1)%3]);
+  for (int i = 0; i < 3; i++)
+    EXPECT_TRUE(file_util::Delete(temp_files[i], false));
 }
 
+TEST_F(FileUtilTest, CreateAndOpenTemporaryFileNameTest) {
+  FilePath names[3];
+  FILE *fps[3];
+  int i;
+
+  // Create; make sure they are open and exist.
+  for (i = 0; i < 3; ++i) {
+    fps[i] = file_util::CreateAndOpenTemporaryFile(&(names[i]));
+    ASSERT_TRUE(fps[i]);
+    EXPECT_TRUE(file_util::PathExists(names[i]));
+  }
+
+  // Make sure all names are unique.
+  for (i = 0; i < 3; ++i) {
+    EXPECT_FALSE(names[i] == names[(i+1)%3]);
+  }
+
+  // Close and delete.
+  for (i = 0; i < 3; ++i) {
+    EXPECT_TRUE(file_util::CloseFile(fps[i]));
+    EXPECT_TRUE(file_util::Delete(names[i], false));
+  }
+}
+
 TEST_F(FileUtilTest, CreateNewTempDirectoryTest) {
   std::wstring temp_dir;
   ASSERT_TRUE(file_util::CreateNewTempDirectory(std::wstring(), &temp_dir));
@@ -701,6 +731,12 @@
   EXPECT_TRUE(file_util::Delete(temp_dir, false));
 }
 
+TEST_F(FileUtilTest, GetShmemTempDirTest) {
+  FilePath dir;
+  EXPECT_TRUE(file_util::GetShmemTempDir(&dir));
+  EXPECT_TRUE(file_util::DirectoryExists(dir));
+}
+
 TEST_F(FileUtilTest, CreateDirectoryTest) {
   FilePath test_root =
       test_dir_.Append(FILE_PATH_LITERAL("create_directory_test"));
@@ -1013,7 +1049,7 @@
 #if defined(OS_WIN)
   EXPECT_TRUE(file_util::ContainsPath(foo,
       foo_caps.Append(FILE_PATH_LITERAL("bar.txt"))));
-  EXPECT_TRUE(file_util::ContainsPath(foo, 
+  EXPECT_TRUE(file_util::ContainsPath(foo,
       FilePath(foo.value() + FILE_PATH_LITERAL("/bar.txt"))));
 #elif defined(OS_LINUX)
   EXPECT_FALSE(file_util::ContainsPath(foo,