SpdyUtils support coalescing multi-value headers.

net/quic/spdy_utils_test.cc

 // Copyright 2016 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 "net/quic/spdy_utils.h"
 
 #include "base/macros.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
 #include "net/test/gtest_util.h"
 
@@ skipping 184 matching lines @@
   SpdyHeaderBlock block;
   ASSERT_TRUE(
       SpdyUtils::CopyAndValidateHeaders(*headers, &content_length, &block));
   EXPECT_THAT(
       block, UnorderedElementsAre(Pair("foo", StringPiece("foovalue\0boo", 12)),
                                   Pair("bar", "barvalue"),
                                   Pair("baz", StringPiece("\0buzz", 5))));
   EXPECT_EQ(-1, content_length);
 }
 
+TEST(SpdyUtilsTest, CopyAndValidateHeadersMoreThanTwoValues) {
+  auto headers = FromList({{"set-cookie", "value1"},
+                           {"set-cookie", "value2"},
+                           {"set-cookie", "value3"}});
+  int64_t content_length = -1;
+  SpdyHeaderBlock block;
+  ASSERT_TRUE(
+      SpdyUtils::CopyAndValidateHeaders(*headers, &content_length, &block));
+  EXPECT_THAT(block,
+              UnorderedElementsAre(Pair(
+                  "set-cookie", StringPiece("value1\0value2\0value3", 20))));
+  EXPECT_EQ(-1, content_length);
+}
+
 TEST(SpdyUtilsTest, CopyAndValidateHeadersCookie) {
   auto headers = FromList({{"foo", "foovalue"},
                            {"bar", "barvalue"},
                            {"cookie", "value1"},
                            {"baz", ""}});
   int64_t content_length = -1;
   SpdyHeaderBlock block;
   ASSERT_TRUE(
       SpdyUtils::CopyAndValidateHeaders(*headers, &content_length, &block));
   EXPECT_THAT(block, UnorderedElementsAre(
@@ skipping 60 matching lines @@
   headers[":scheme"] = "https";
   EXPECT_FALSE(SpdyUtils::UrlIsValid(headers));
   headers[":authority"] = "www.google.com";
   EXPECT_FALSE(SpdyUtils::UrlIsValid(headers));
   headers[":path"] = "/index.html";
   EXPECT_TRUE(SpdyUtils::UrlIsValid(headers));
 }
 
 }  // namespace test
 }  // namespace net