Refactor net tests to use GMock matchers for checking net::Error results

net/proxy/mojo_proxy_resolver_factory_impl_unittest.cc

 // Copyright 2015 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/proxy/mojo_proxy_resolver_factory_impl.h"
 
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "mojo/public/cpp/bindings/binding.h"
 #include "net/base/test_completion_callback.h"
 #include "net/proxy/mock_proxy_resolver.h"
 #include "net/proxy/proxy_resolver_v8_tracing.h"
 #include "net/test/event_waiter.h"
+#include "net/test/gtest_util.h"
+#include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using net::test::IsError;
+using net::test::IsOk;
+
 namespace net {
 namespace {
 
 const char kScriptData[] = "FooBarBaz";
 
 class FakeProxyResolver : public ProxyResolverV8Tracing {
  public:
   explicit FakeProxyResolver(const base::Closure& on_destruction)
       : on_destruction_(on_destruction) {}
 
@@ skipping 117 matching lines @@
   EXPECT_EQ(0, instances_destroyed_);
   ASSERT_EQ(1u, mock_factory_->requests_handled());
   TestCompletionCallback create_callback;
   create_callback_ = create_callback.callback();
   ASSERT_TRUE(mock_factory_->pending_request());
   mock_factory_->pending_request()->resolver->reset(
       new FakeProxyResolver(base::Bind(
           &MojoProxyResolverFactoryImplTest::OnFakeProxyInstanceDestroyed,
           base::Unretained(this))));
   mock_factory_->pending_request()->callback.Run(OK);
-  EXPECT_EQ(OK, create_callback.WaitForResult());
+  EXPECT_THAT(create_callback.WaitForResult(), IsOk());
   proxy_resolver.reset();
   waiter_.WaitForEvent(RESOLVER_DESTROYED);
   EXPECT_EQ(1, instances_destroyed_);
 }
 
 TEST_F(MojoProxyResolverFactoryImplTest, Error) {
   interfaces::ProxyResolverPtr proxy_resolver;
   interfaces::ProxyResolverFactoryRequestClientPtr client_ptr;
   mojo::Binding<ProxyResolverFactoryRequestClient> client_binding(
       this, mojo::GetProxy(&client_ptr));
   factory_->CreateResolver(mojo::String::From(kScriptData),
                            mojo::GetProxy(&proxy_resolver),
                            std::move(client_ptr));
   proxy_resolver.set_connection_error_handler(
       base::Bind(&MojoProxyResolverFactoryImplTest::OnConnectionError,
                  base::Unretained(this)));
   waiter_.WaitForEvent(RESOLVER_CREATED);
   EXPECT_EQ(0, instances_destroyed_);
   ASSERT_EQ(1u, mock_factory_->requests_handled());
   TestCompletionCallback create_callback;
   create_callback_ = create_callback.callback();
   ASSERT_TRUE(mock_factory_->pending_request());
   mock_factory_->pending_request()->callback.Run(ERR_PAC_SCRIPT_FAILED);
-  EXPECT_EQ(ERR_PAC_SCRIPT_FAILED, create_callback.WaitForResult());
+  EXPECT_THAT(create_callback.WaitForResult(), IsError(ERR_PAC_SCRIPT_FAILED));
 }
 
 TEST_F(MojoProxyResolverFactoryImplTest,
        DisconnectClientDuringResolverCreation) {
   interfaces::ProxyResolverPtr proxy_resolver;
   interfaces::ProxyResolverFactoryRequestClientPtr client_ptr;
   mojo::Binding<ProxyResolverFactoryRequestClient> client_binding(
       this, mojo::GetProxy(&client_ptr));
   factory_->CreateResolver(mojo::String::From(kScriptData),
                            mojo::GetProxy(&proxy_resolver),
@@ skipping 24 matching lines @@
       base::Bind(&MojoProxyResolverFactoryImplTest::OnConnectionError,
                  base::Unretained(this)));
   waiter_.WaitForEvent(RESOLVER_CREATED);
   EXPECT_EQ(0, instances_destroyed_);
   ASSERT_EQ(1u, mock_factory_->requests_handled());
   factory_.reset();
   waiter_.WaitForEvent(CONNECTION_ERROR);
 }
 
 }  // namespace net