[wip] Add LiteralStringPiece which templatizes based on character length

base/strings/string_piece_unittest.cc

 // Copyright (c) 2012 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 <stddef.h>
 
 #include <string>
 
 #include "base/strings/string16.h"
 #include "base/strings/string_piece.h"
@@ skipping 670 matching lines @@
   ASSERT_TRUE(empty == BasicStringPiece<TypeParam>(NULL));
   ASSERT_TRUE(empty == BasicStringPiece<TypeParam>(NULL,
       static_cast<typename BasicStringPiece<TypeParam>::size_type>(0)));
   ASSERT_TRUE(empty == BasicStringPiece<TypeParam>());
   ASSERT_TRUE(str == BasicStringPiece<TypeParam>(str.begin(), str.end()));
   ASSERT_TRUE(empty == BasicStringPiece<TypeParam>(str.begin(), str.begin()));
   ASSERT_TRUE(empty == BasicStringPiece<TypeParam>(empty));
   ASSERT_TRUE(empty == BasicStringPiece<TypeParam>(empty.begin(), empty.end()));
 }
 
+TEST(CommonStringPieceTest, LiteralStringPiece) {
+  StringPiece test_piece("test");
+  EXPECT_EQ(test_piece, LiteralStringPiece("test"));
+  const char test_ptr[] = "test";
+  EXPECT_EQ(test_piece, LiteralStringPiece(test_ptr));
+}
+
 }  // namespace base