1 files changed, 306 insertions, 0 deletions
diff --git a/externals/breakpad/src/client/windows/unittests/crash_generation_server_test.cc b/externals/breakpad/src/client/windows/unittests/crash_generation_server_test.cc
new file mode 100644
index 0000000000..adb03f400b
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+++ b/externals/breakpad/src/client/windows/unittests/crash_generation_server_test.cc
@@ -0,0 +1,306 @@
+// Copyright 2010 Google LLC
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google LLC nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>  // Must come first
+#endif
+
+#include "breakpad_googletest_includes.h"
+#include "client/windows/crash_generation/crash_generation_server.h"
+#include "client/windows/common/ipc_protocol.h"
+
+using testing::_;
+
+namespace {
+
+const wchar_t kPipeName[] =
+  L"\\\\.\\pipe\\CrashGenerationServerTest\\TestCaseServer";
+
+const DWORD kPipeDesiredAccess = FILE_READ_DATA |
+                                 FILE_WRITE_DATA |
+                                 FILE_WRITE_ATTRIBUTES;
+
+const DWORD kPipeFlagsAndAttributes = SECURITY_IDENTIFICATION |
+                                      SECURITY_SQOS_PRESENT;
+
+const DWORD kPipeMode = PIPE_READMODE_MESSAGE;
+
+#define arraysize(f) (sizeof(f) / sizeof(*f))
+const google_breakpad::CustomInfoEntry kCustomInfoEntries[] = {
+    google_breakpad::CustomInfoEntry(L"prod", L"CrashGenerationServerTest"),
+    google_breakpad::CustomInfoEntry(L"ver", L"1.0"),
+};
+
+class CrashGenerationServerTest : public ::testing::Test {
+ public:
+  CrashGenerationServerTest()
+      : crash_generation_server_(kPipeName,
+                                 NULL,
+                                 CallOnClientConnected, &mock_callbacks_,
+                                 CallOnClientDumpRequested, &mock_callbacks_,
+                                 CallOnClientExited, &mock_callbacks_,
+                                 CallOnClientUploadRequested, &mock_callbacks_,
+                                 false,
+                                 NULL),
+        thread_id_(0),
+        exception_pointers_(NULL) {
+    memset(&assert_info_, 0, sizeof(assert_info_));
+  }
+
+ protected:
+  class MockCrashGenerationServerCallbacks {
+   public:
+    MOCK_METHOD1(OnClientConnected,
+                 void(const google_breakpad::ClientInfo* client_info));
+    MOCK_METHOD2(OnClientDumpRequested,
+                 void(const google_breakpad::ClientInfo* client_info,
+                      const std::wstring* file_path));
+    MOCK_METHOD1(OnClientExited,
+                 void(const google_breakpad::ClientInfo* client_info));
+    MOCK_METHOD1(OnClientUploadRequested,
+                 void(const DWORD crash_id));
+  };
+
+  enum ClientFault {
+    NO_FAULT,
+    CLOSE_AFTER_CONNECT,
+    SEND_INVALID_REGISTRATION,
+    TRUNCATE_REGISTRATION,
+    CLOSE_AFTER_REGISTRATION,
+    RESPONSE_BUFFER_TOO_SMALL,
+    CLOSE_AFTER_RESPONSE,
+    SEND_INVALID_ACK
+  };
+
+  void SetUp() {
+    ASSERT_TRUE(crash_generation_server_.Start());
+  }
+
+  void FaultyClient(ClientFault fault_type) {
+    HANDLE pipe = CreateFile(kPipeName,
+                             kPipeDesiredAccess,
+                             0,
+                             NULL,
+                             OPEN_EXISTING,
+                             kPipeFlagsAndAttributes,
+                             NULL);
+
+    if (pipe == INVALID_HANDLE_VALUE) {
+      ASSERT_EQ(ERROR_PIPE_BUSY, GetLastError());
+
+      // Cannot continue retrying if wait on pipe fails.
+      ASSERT_TRUE(WaitNamedPipe(kPipeName, 500));
+
+      pipe = CreateFile(kPipeName,
+                        kPipeDesiredAccess,
+                        0,
+                        NULL,
+                        OPEN_EXISTING,
+                        kPipeFlagsAndAttributes,
+                        NULL);
+    }
+
+    ASSERT_NE(pipe, INVALID_HANDLE_VALUE);
+
+    DWORD mode = kPipeMode;
+    ASSERT_TRUE(SetNamedPipeHandleState(pipe, &mode, NULL, NULL));
+
+    DoFaultyClient(fault_type, pipe);
+
+    CloseHandle(pipe);
+  }
+
+  void DoTestFault(ClientFault fault) {
+    EXPECT_CALL(mock_callbacks_, OnClientConnected(_)).Times(0);
+    ASSERT_NO_FATAL_FAILURE(FaultyClient(fault));
+    ASSERT_NO_FATAL_FAILURE(FaultyClient(fault));
+    ASSERT_NO_FATAL_FAILURE(FaultyClient(fault));
+
+    EXPECT_CALL(mock_callbacks_, OnClientConnected(_));
+
+    ASSERT_NO_FATAL_FAILURE(FaultyClient(NO_FAULT));
+
+    // Slight hack. The OnClientConnected is only invoked after the ack is
+    // received by the server. At that point, the FaultyClient call has already
+    // returned. The best way to wait until the server is done handling that is
+    // to send one more ping, whose processing will be blocked by delivery of
+    // the OnClientConnected message.
+    ASSERT_NO_FATAL_FAILURE(FaultyClient(CLOSE_AFTER_CONNECT));
+  }
+
+  MockCrashGenerationServerCallbacks mock_callbacks_;
+
+ private:
+  // Depends on the caller to successfully open the pipe before invocation and
+  // to close it immediately afterwards.
+  void DoFaultyClient(ClientFault fault_type, HANDLE pipe) {
+    if (fault_type == CLOSE_AFTER_CONNECT) {
+      return;
+    }
+
+    google_breakpad::CustomClientInfo custom_info = {kCustomInfoEntries,
+                                                     arraysize(kCustomInfoEntries)};
+
+    google_breakpad::ProtocolMessage msg(
+      fault_type == SEND_INVALID_REGISTRATION ?
+        google_breakpad::MESSAGE_TAG_NONE :
+        google_breakpad::MESSAGE_TAG_REGISTRATION_REQUEST,
+      GetCurrentProcessId(),
+      MiniDumpNormal,
+      &thread_id_,
+      &exception_pointers_,
+      &assert_info_,
+      custom_info,
+      NULL,
+      NULL,
+      NULL);
+
+    DWORD bytes_count = 0;
+
+    ASSERT_TRUE(WriteFile(pipe,
+                          &msg,
+                          fault_type == TRUNCATE_REGISTRATION ?
+                            sizeof(msg) / 2 : sizeof(msg),
+                          &bytes_count,
+                          NULL));
+
+    if (fault_type == CLOSE_AFTER_REGISTRATION) {
+      return;
+    }
+
+    google_breakpad::ProtocolMessage reply;
+
+    if (!ReadFile(pipe,
+                  &reply,
+                  fault_type == RESPONSE_BUFFER_TOO_SMALL ?
+                    sizeof(google_breakpad::ProtocolMessage) / 2 :
+                    sizeof(google_breakpad::ProtocolMessage),
+                  &bytes_count,
+                  NULL)) {
+      switch (fault_type) {
+        case TRUNCATE_REGISTRATION:
+        case RESPONSE_BUFFER_TOO_SMALL:
+        case SEND_INVALID_REGISTRATION:
+          return;
+
+        default:
+          FAIL() << "Unexpectedly failed to register.";
+      }
+    }
+
+    if (fault_type == CLOSE_AFTER_RESPONSE) {
+      return;
+    }
+
+    google_breakpad::ProtocolMessage ack_msg;
+    ack_msg.tag = google_breakpad::MESSAGE_TAG_REGISTRATION_ACK;
+
+    ASSERT_TRUE(WriteFile(pipe,
+                          &ack_msg,
+                          SEND_INVALID_ACK ?
+                            sizeof(ack_msg) : sizeof(ack_msg) / 2,
+                          &bytes_count,
+                          NULL));
+
+    return;
+  }
+
+  static void CallOnClientConnected(
+    void* context, const google_breakpad::ClientInfo* client_info) {
+    static_cast<MockCrashGenerationServerCallbacks*>(context)->
+      OnClientConnected(client_info);
+  }
+
+  static void CallOnClientDumpRequested(
+    void* context,
+    const google_breakpad::ClientInfo* client_info,
+    const std::wstring* file_path) {
+    static_cast<MockCrashGenerationServerCallbacks*>(context)->
+      OnClientDumpRequested(client_info, file_path);
+  }
+
+  static void CallOnClientExited(
+    void* context, const google_breakpad::ClientInfo* client_info) {
+    static_cast<MockCrashGenerationServerCallbacks*>(context)->
+      OnClientExited(client_info);
+  }
+
+  static void CallOnClientUploadRequested(void* context, const DWORD crash_id) {
+    static_cast<MockCrashGenerationServerCallbacks*>(context)->
+      OnClientUploadRequested(crash_id);
+  }
+
+  DWORD thread_id_;
+  EXCEPTION_POINTERS* exception_pointers_;
+  MDRawAssertionInfo assert_info_;
+
+  google_breakpad::CrashGenerationServer crash_generation_server_;
+};
+
+TEST_F(CrashGenerationServerTest, PingServerTest) {
+  DoTestFault(CLOSE_AFTER_CONNECT);
+}
+
+TEST_F(CrashGenerationServerTest, InvalidRegistration) {
+  DoTestFault(SEND_INVALID_REGISTRATION);
+}
+
+TEST_F(CrashGenerationServerTest, TruncateRegistration) {
+  DoTestFault(TRUNCATE_REGISTRATION);
+}
+
+TEST_F(CrashGenerationServerTest, CloseAfterRegistration) {
+  DoTestFault(CLOSE_AFTER_REGISTRATION);
+}
+
+TEST_F(CrashGenerationServerTest, ResponseBufferTooSmall) {
+  DoTestFault(RESPONSE_BUFFER_TOO_SMALL);
+}
+
+TEST_F(CrashGenerationServerTest, CloseAfterResponse) {
+  DoTestFault(CLOSE_AFTER_RESPONSE);
+}
+
+// It turns out that, as long as you send one byte, the ACK is accepted and
+// registration succeeds.
+TEST_F(CrashGenerationServerTest, SendInvalidAck) {
+  EXPECT_CALL(mock_callbacks_, OnClientConnected(_));
+  ASSERT_NO_FATAL_FAILURE(FaultyClient(SEND_INVALID_ACK));
+
+  // See DoTestFault for an explanation of this line
+  ASSERT_NO_FATAL_FAILURE(FaultyClient(CLOSE_AFTER_CONNECT));
+
+  EXPECT_CALL(mock_callbacks_, OnClientConnected(_));
+  ASSERT_NO_FATAL_FAILURE(FaultyClient(NO_FAULT));
+
+  // See DoTestFault for an explanation of this line
+  ASSERT_NO_FATAL_FAILURE(FaultyClient(CLOSE_AFTER_CONNECT));
+}
+
+}  // anonymous namespace