Extend base::Reversed to support iterating arrays

base/containers/adapters_unittest.cc

 // Copyright 2014 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 "base/containers/adapters.h"
 
 #include <vector>
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
 TEST(AdaptersTest, Reversed) {
   std::vector<int> v;
   v.push_back(3);
   v.push_back(2);
   v.push_back(1);
   int j = 0;
   for (int& i : base::Reversed(v)) {
     EXPECT_EQ(++j, i);
     i += 100;
   }
   EXPECT_EQ(103, v[0]);
   EXPECT_EQ(102, v[1]);
   EXPECT_EQ(101, v[2]);
 }
 
-TEST(AdaptersTest, ConstReversed) {
+TEST(AdaptersTest, ReversedArray) {
+  int v[3] = {3, 2, 1};
+  int j = 0;
+  for (int& i : base::Reversed(v)) {
+    EXPECT_EQ(++j, i);
+    i += 100;
+  }
+  EXPECT_EQ(103, v[0]);
+  EXPECT_EQ(102, v[1]);
+  EXPECT_EQ(101, v[2]);
+}
+
+TEST(AdaptersTest, ReversedConst) {
   std::vector<int> v;
   v.push_back(3);
   v.push_back(2);
   v.push_back(1);
   const std::vector<int>& cv = v;
   int j = 0;
   for (int i : base::Reversed(cv)) {
     EXPECT_EQ(++j, i);
   }
 }
 
 }  // namespace