Make request fail with ERR_CONTENT_DECODING_INIT_FAILED if sdch is not supported

net/url_request/url_request_http_job_unittest.cc

 // Copyright (c) 2013 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/url_request/url_request_http_job.h"
 
 #include <stdint.h>
 
 #include <cstddef>
 #include <memory>
@@ skipping 141 matching lines @@
   std::unique_ptr<TestURLRequestHttpJob> job(
       new TestURLRequestHttpJob(request.get()));
   test_job_interceptor_->set_main_intercept_job(std::move(job));
   request->Start();
 
   base::RunLoop().Run();
   EXPECT_EQ(OK, delegate_.request_status());
   EXPECT_EQ("Test Content", delegate_.data_received());
 }
 
+// Received a malformed SDCH encoded response when there is no SdchManager.
+TEST_F(URLRequestHttpJobSetUpSourceTest,
+       SdchNotAdvertisedGotMalformedSdchResponse) {

[mmenke, 2016/10/26 16:45:43]

Maybe add:

// This test expects TestURLRequestContexts to have no SdchManager.
DCHECK(!context_.sdch_manager());

[xunjieli, 2016/10/26 16:49:22]

Done.

+  MockWrite writes[] = {MockWrite(kSimpleGetMockWrite)};
+  MockRead reads[] = {MockRead("HTTP/1.1 200 OK\r\n"
+                               "Content-Encoding: sdch\r\n"
+                               "Content-Length: 12\r\n\r\n"),
+                      MockRead("Test Content")};
+
+  StaticSocketDataProvider socket_data(reads, arraysize(reads), writes,
+                                       arraysize(writes));
+  socket_factory_.AddSocketDataProvider(&socket_data);
+
+  std::unique_ptr<URLRequest> request = context_.CreateRequest(
+      GURL("http://www.example.com"), DEFAULT_PRIORITY, &delegate_);
+  std::unique_ptr<TestURLRequestHttpJob> job(
+      new TestURLRequestHttpJob(request.get()));
+  test_job_interceptor_->set_main_intercept_job(std::move(job));
+  request->Start();
+
+  base::RunLoop().Run();
+  EXPECT_EQ(ERR_CONTENT_DECODING_INIT_FAILED, delegate_.request_status());
+}
+
 class URLRequestHttpJobTest : public ::testing::Test {
  protected:
   URLRequestHttpJobTest() : context_(true) {
     context_.set_http_transaction_factory(&network_layer_);
 
     // The |test_job_factory_| takes ownership of the interceptor.
     test_job_interceptor_ = new TestJobInterceptor();
     EXPECT_TRUE(test_job_factory_.SetProtocolHandler(
         url::kHttpScheme, base::WrapUnique(test_job_interceptor_)));
     context_.set_job_factory(&test_job_factory_);
@@ skipping 857 matching lines @@
   base::RunLoop().RunUntilIdle();
   EXPECT_THAT(delegate_.request_status(), IsError(ERR_IO_PENDING));
   EXPECT_TRUE(fake_handshake_stream->initialize_stream_was_called());
 }
 
 #endif  // defined(ENABLE_WEBSOCKETS)
 
 }  // namespace
 
 }  // namespace net