Add ToUpperASCII and StringToUpperASCII.

base/string_util_unittest.cc

 // Copyright (c) 2006-2008 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 <math.h>
 #include <stdarg.h>
 
 #include <limits>
 #include <sstream>
 
@@ skipping 554 matching lines @@
   std::string string_with_nul(chars_with_nul, length_with_nul);
   std::wstring wide_with_nul = ASCIIToWide(string_with_nul);
   EXPECT_EQ(static_cast<std::wstring::size_type>(length_with_nul),
             wide_with_nul.length());
   std::string narrow_with_nul = WideToASCII(wide_with_nul);
   EXPECT_EQ(static_cast<std::string::size_type>(length_with_nul),
             narrow_with_nul.length());
   EXPECT_EQ(0, string_with_nul.compare(narrow_with_nul));
 }
 
+TEST(StringUtilTest, ToUpperASCII) {
+  EXPECT_EQ('C', ToUpperASCII('C'));
+  EXPECT_EQ('C', ToUpperASCII('c'));
+  EXPECT_EQ('2', ToUpperASCII('2'));
+
+  EXPECT_EQ(L'C', ToUpperASCII(L'C'));
+  EXPECT_EQ(L'C', ToUpperASCII(L'c'));
+  EXPECT_EQ(L'2', ToUpperASCII(L'2'));
+
+  std::string in_place_a("Cc2");
+  StringToUpperASCII(&in_place_a);
+  EXPECT_EQ("CC2", in_place_a);
+
+  std::wstring in_place_w(L"Cc2");
+  StringToUpperASCII(&in_place_w);
+  EXPECT_EQ(L"CC2", in_place_w);
+
+  std::string original_a("Cc2");
+  std::string upper_a = StringToUpperASCII(original_a);
+  EXPECT_EQ("CC2", upper_a);
+
+  std::wstring original_w(L"Cc2");
+  std::wstring upper_w = StringToUpperASCII(original_w);
+  EXPECT_EQ(L"CC2", upper_w);
+}
+
 static const struct {
   const wchar_t* src_w;
   const char*    src_a;
   const char*    dst;
 } lowercase_cases[] = {
   {L"FoO", "FoO", "foo"},
   {L"foo", "foo", "foo"},
   {L"FOO", "FOO", "foo"},
 };
 
@@ skipping 937 matching lines @@
   }
 }
 
 TEST(StringUtilTest, HexEncode) {
   std::string hex(HexEncode(NULL, 0));
   EXPECT_EQ(hex.length(), 0U);
   unsigned char bytes[] = {0x01, 0xff, 0x02, 0xfe, 0x03, 0x80, 0x81};
   hex = HexEncode(bytes, sizeof(bytes));
   EXPECT_EQ(hex.compare("01FF02FE038081"), 0);
 }