Adding support for Reset in StringTokenizerT and HttpHeadersIterator....

base/string_tokenizer_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 "base/string_tokenizer.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using std::string;
 
 namespace {
@@ skipping 12 matching lines @@
 
   EXPECT_TRUE(t.GetNext());
   EXPECT_EQ(string("a"), t.token());
 
   EXPECT_TRUE(t.GetNext());
   EXPECT_EQ(string("test"), t.token());
 
   EXPECT_FALSE(t.GetNext());
 }
 
+TEST(StringTokenizerTest, Reset) {
+  string input = "this is a test";
+  StringTokenizer t(input, " ");
+
+  for (int i = 0; i < 2; ++i) {
+    EXPECT_TRUE(t.GetNext());
+    EXPECT_EQ(string("this"), t.token());
+
+    EXPECT_TRUE(t.GetNext());
+    EXPECT_EQ(string("is"), t.token());
+
+    EXPECT_TRUE(t.GetNext());
+    EXPECT_EQ(string("a"), t.token());
+
+    EXPECT_TRUE(t.GetNext());
+    EXPECT_EQ(string("test"), t.token());
+
+    EXPECT_FALSE(t.GetNext());
+    t.Reset();
+  }
+}
+
 TEST(StringTokenizerTest, RetDelims) {
   string input = "this is a test";
   StringTokenizer t(input, " ");
   t.set_options(StringTokenizer::RETURN_DELIMS);
 
   EXPECT_TRUE(t.GetNext());
   EXPECT_EQ(string("this"), t.token());
 
   EXPECT_TRUE(t.GetNext());
   EXPECT_EQ(string(" "), t.token());
@@ skipping 155 matching lines @@
   t.set_quote_chars("'");
 
   EXPECT_TRUE(t.GetNext());
   EXPECT_EQ(string("foo='a, b'"), t.token());
 
   EXPECT_TRUE(t.GetNext());
   EXPECT_EQ(string("bar"), t.token());
 
   EXPECT_FALSE(t.GetNext());
 }