Adding support for Reset in StringTokenizerT and HttpHeadersIterator.

TEST=Run HeadersIterator_Reset and the Reset test for StringTokenizer
BUG=none

Review URL: http://codereview.chromium.org/276067

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@29330 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 13 insertions, 0 deletions

diff --git a/net/http/http_util_unittest.cc b/net/http/http_util_unittest.cc
index 80413ac..bdae329 100644
--- a/net/http/http_util_unittest.cc
+++ b/net/http/http_util_unittest.cc
@@ -105,6 +105,19 @@ TEST(HttpUtilTest, HeadersIterator_AdvanceTo) {
   EXPECT_FALSE(it.GetNext());  // should be at end of headers
 }
 
+TEST(HttpUtilTest, HeadersIterator_Reset) {
+  std::string headers = "foo: 1\r\n: 2\r\n3\r\nbar: 4";
+  HttpUtil::HeadersIterator it(headers.begin(), headers.end(), "\r\n");
+  // Search past "foo".
+  EXPECT_TRUE(it.AdvanceTo("bar"));
+  // Now try advancing to "foo".  This time it should fail since the iterator
+  // position is past it.
+  EXPECT_FALSE(it.AdvanceTo("foo"));
+  it.Reset();
+  // Now that we reset the iterator position, we should find 'foo'
+  EXPECT_TRUE(it.AdvanceTo("foo"));
+}
+
 TEST(HttpUtilTest, ValuesIterator) {
   std::string values = " must-revalidate,   no-cache=\"foo, bar\"\t, private ";