Added HttpUtils::HasValidators and HttpResponse::HasValidators

net/http/http_response_headers_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 <stdint.h>
 
 #include <algorithm>
 #include <iostream>
 #include <limits>
 
@@ skipping 1616 matching lines @@
   { "HTTP/1.1 200 OK\n"
     "etag:    W  /   \"foo\"\n",
     false
   }
 };
 
 INSTANTIATE_TEST_CASE_P(HttpResponseHeaders,
                         HasStrongValidatorsTest,
                         testing::ValuesIn(strong_validators_tests));
 
+TEST(HttpResponseHeadersTest, HasValidatorsNone) {
+  std::string headers("HTTP/1.1 200 OK");
+  HeadersToRaw(&headers);
+  scoped_refptr<HttpResponseHeaders> parsed(new HttpResponseHeaders(headers));
+  EXPECT_FALSE(parsed->HasValidators());
+}
+
+TEST(HttpResponseHeadersTest, HasValidatorsEtag) {
+  std::string headers(
+      "HTTP/1.1 200 OK\n"
+      "etag: \"anything\"");
+  HeadersToRaw(&headers);
+  scoped_refptr<HttpResponseHeaders> parsed(new HttpResponseHeaders(headers));
+  EXPECT_TRUE(parsed->HasValidators());
+}
+
+TEST(HttpResponseHeadersTest, HasValidatorsLastModified) {
+  std::string headers(
+      "HTTP/1.1 200 OK\n"
+      "Last-Modified: Wed, 28 Nov 2007 00:40:10 GMT");
+  HeadersToRaw(&headers);
+  scoped_refptr<HttpResponseHeaders> parsed(new HttpResponseHeaders(headers));
+  EXPECT_TRUE(parsed->HasValidators());
+}
+
+TEST(HttpResponseHeadersTest, HasValidatorsWeakEtag) {
+  std::string headers(
+      "HTTP/1.1 200 OK\n"
+      "etag: W/\"anything\"");
+  HeadersToRaw(&headers);
+  scoped_refptr<HttpResponseHeaders> parsed(new HttpResponseHeaders(headers));
+  EXPECT_TRUE(parsed->HasValidators());
+}
+
 struct AddHeaderTestData {
   const char* orig_headers;
   const char* new_header;
   const char* expected_headers;
 };
 
 class AddHeaderTest
     : public HttpResponseHeadersTest,
       public ::testing::WithParamInterface<AddHeaderTestData> {
 };
@@ skipping 467 matching lines @@
 TEST_F(HttpResponseHeadersCacheControlTest,
        FirstStaleWhileRevalidateValueUsed) {
   InitializeHeadersWithCacheControl(
       "stale-while-revalidate=1,stale-while-revalidate=7200");
   EXPECT_EQ(TimeDelta::FromSeconds(1), GetStaleWhileRevalidateValue());
 }
 
 }  // namespace
 
 }  // namespace net