Reset HTTP/2 stream on line-folded response headers.

net/spdy/header_coalescer_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 "header_coalescer.h"
+
+#include <string>
+
+#include "base/strings/string_piece.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+using ::testing::ElementsAre;
+using ::testing::Pair;
+
+namespace net {
+namespace test {
+
+class HeaderCoalescerTest : public ::testing::Test {
+ public:
+ protected:
+  HeaderCoalescer header_coalescer_;
+};
+
+TEST_F(HeaderCoalescerTest, CorrectHeaders) {
+  header_coalescer_.OnHeader(":foo", "bar");
+  header_coalescer_.OnHeader("baz", "qux");
+  EXPECT_FALSE(header_coalescer_.error_seen());
+
+  SpdyHeaderBlock header_block = header_coalescer_.release_headers();
+  EXPECT_THAT(header_block,
+              ElementsAre(Pair(":foo", "bar"), Pair("baz", "qux")));
+}
+
+TEST_F(HeaderCoalescerTest, EmptyHeaderKey) {
+  EXPECT_FALSE(header_coalescer_.error_seen());
+  header_coalescer_.OnHeader("", "foo");
+  EXPECT_TRUE(header_coalescer_.error_seen());
+}
+
+TEST_F(HeaderCoalescerTest, HeaderBlockTooLarge) {
+  // 3 byte key, 256 * 1024 - 40 byte value, 32 byte overhead:
+  // less than 256 * 1024 bytes in total.
+  std::string data(256 * 1024 - 40, 'a');
+  header_coalescer_.OnHeader("foo", data);
+  EXPECT_FALSE(header_coalescer_.error_seen());
+
+  // Another 3 + 3 + 32 bytes: too large.
+  header_coalescer_.OnHeader("bar", "baz");
+  EXPECT_TRUE(header_coalescer_.error_seen());
+}
+
+TEST_F(HeaderCoalescerTest, PseudoHeadersMustNotFollowRegularHeaders) {
+  header_coalescer_.OnHeader("foo", "bar");
+  EXPECT_FALSE(header_coalescer_.error_seen());
+  header_coalescer_.OnHeader(":baz", "qux");
+  EXPECT_TRUE(header_coalescer_.error_seen());
+}
+
+TEST_F(HeaderCoalescerTest, Append) {
+  header_coalescer_.OnHeader("foo", "bar");
+  header_coalescer_.OnHeader("cookie", "baz");
+  header_coalescer_.OnHeader("foo", "quux");
+  header_coalescer_.OnHeader("cookie", "qux");
+  EXPECT_FALSE(header_coalescer_.error_seen());
+
+  SpdyHeaderBlock header_block = header_coalescer_.release_headers();
+  EXPECT_THAT(header_block,
+              ElementsAre(Pair("foo", base::StringPiece("bar\0quux", 8)),
+                          Pair("cookie", "baz; qux")));
+}
+
+TEST_F(HeaderCoalescerTest, CRLFInHeaderValue) {
+  EXPECT_FALSE(header_coalescer_.error_seen());
+  header_coalescer_.OnHeader("foo", "bar\r\nbaz");
+  EXPECT_TRUE(header_coalescer_.error_seen());
+}
+
+}  // namespace test
+}  // namespace net