Replacing solutions with gyp files. Moving tests for windows clients in unitt...

src/client/windows/unittests/exception_handler_test.cc

+// Copyright 2009, Google Inc.
+// All rights reserved.
+//
+// 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 Inc. 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.
+
+#include <windows.h>
+#include <dbghelp.h>
+#include <strsafe.h>
+#include <objbase.h>
+#include <shellapi.h>
+
+#include "../../../breakpad_googletest_includes.h"
+#include "../crash_generation/crash_generation_server.h"
+#include "../handler/exception_handler.h"
+
+namespace {
+const wchar_t kPipeName[] = L"\\\\.\\pipe\\BreakpadCrashTest\\TestCaseServer";
+const char kSuccessIndicator[] = "success";
+const char kFailureIndicator[] = "failure";
+
+// Utility function to test for a path's existence.
+BOOL DoesPathExist(const TCHAR *path_name);
+
+class ExceptionHandlerDeathTest : public ::testing::Test {
+ protected:
+  // Member variable for each test that they can use
+  // for temporary storage.
+  TCHAR temp_path_[MAX_PATH];
+  // Actually constructs a temp path name.
+  virtual void SetUp();
+  // A helper method that tests can use to crash.
+  void DoCrash();
+};
+
+void ExceptionHandlerDeathTest::SetUp() {
+  const ::testing::TestInfo* const test_info =
+    ::testing::UnitTest::GetInstance()->current_test_info();
+  TCHAR temp_path[MAX_PATH] = { '\0' };
+  TCHAR test_name_wide[MAX_PATH] = { '\0' };
+  // We want the temporary directory to be what the OS returns
+  // to us, + the test case name.
+  GetTempPath(MAX_PATH, temp_path);
+  // THe test case name is exposed to use as a c-style string,
+  // But we might be working in UNICODE here on Windows.
+  int dwRet = MultiByteToWideChar(CP_ACP, 0, test_info->name(),
+                                  strlen(test_info->name()),
+                                  test_name_wide,
+                                  MAX_PATH);
+  if (!dwRet) {
+    assert(false);
+  }
+  StringCchPrintfW(temp_path_, MAX_PATH, L"%s%s", temp_path, test_name_wide);
+  CreateDirectory(temp_path_, NULL);
+}
+
+BOOL DoesPathExist(const TCHAR *path_name) {
+  DWORD flags = GetFileAttributes(path_name);
+  if (flags == INVALID_FILE_ATTRIBUTES) {
+    return FALSE;
+  }
+  return TRUE;
+}
+
+bool MinidumpWrittenCallback(const wchar_t* dump_path,
+                             const wchar_t* minidump_id,
+                             void* context,
+                             EXCEPTION_POINTERS* exinfo,
+                             MDRawAssertionInfo* assertion,
+                             bool succeeded) {
+  if (succeeded && DoesPathExist(dump_path)) {
+    fprintf(stderr, kSuccessIndicator);
+  } else {
+    fprintf(stderr, kFailureIndicator);
+  }
+  // If we don't flush, the output doesn't get sent before
+  // this process dies.
+  fflush(stderr);
+  return succeeded;
+}
+
+TEST_F(ExceptionHandlerDeathTest, InProcTest) {
+  // For the in-proc test, we just need to instantiate an exception
+  // handler in in-proc mode, and crash.   Since the entire test is
+  // reexecuted in the child process, we don't have to worry about
+  // the semantics of the exception handler being inherited/not
+  // inherited across CreateProcess().
+  ASSERT_TRUE(DoesPathExist(temp_path_));
+  google_breakpad::ExceptionHandler *exc =
+    new google_breakpad::ExceptionHandler(
+    temp_path_, NULL, &MinidumpWrittenCallback, NULL,
+    google_breakpad::ExceptionHandler::HANDLER_ALL);
+  int *i = NULL;
+  ASSERT_DEATH((*i)++, kSuccessIndicator);
+  delete exc;
+}
+
+static bool gDumpCallbackCalled = false;
+
+void clientDumpCallback(void *dump_context,
+                        const google_breakpad::ClientInfo *client_info,
+                        const std::wstring *dump_path) {
+  gDumpCallbackCalled = true;
+}
+
+void ExceptionHandlerDeathTest::DoCrash() {
+  google_breakpad::ExceptionHandler *exc =
+    new google_breakpad::ExceptionHandler(
+    temp_path_, NULL, NULL, NULL,
+    google_breakpad::ExceptionHandler::HANDLER_ALL, MiniDumpNormal, kPipeName,
+    NULL);
+  // Although this is executing in the child process of the death test,
+  // if it's not true we'll still get an error rather than the crash
+  // being expected.
+  ASSERT_TRUE(exc->IsOutOfProcess());
+  int *i = NULL;
+  printf("%d\n", (*i)++);
+}
+
+TEST_F(ExceptionHandlerDeathTest, OutOfProcTest) {
+  // We can take advantage of a detail of google test here to save some
+  // complexity in testing: when you do a death test, it actually forks.
+  // So we can make the main test harness the crash generation server,
+  // and call ASSERT_DEATH on a NULL dereference, it to expecting test
+  // the out of process scenario, since it's happening in a different
+  // process!  This is different from the above because, above, we pass
+  // a NULL pipe name, and we also don't start a crash generation server.
+
+  ASSERT_TRUE(DoesPathExist(temp_path_));
+  std::wstring dump_path(temp_path_);
+  google_breakpad::CrashGenerationServer server(
+    kPipeName, NULL, NULL, NULL, &clientDumpCallback, NULL, NULL, NULL, true,
+    &dump_path);
+
+  // This HAS to be EXPECT_, because when this test case is executed in the
+  // child process, the server registration will fail due to the named pipe
+  // being the same.
+  EXPECT_TRUE(server.Start());
+  EXPECT_FALSE(gDumpCallbackCalled);
+  ASSERT_DEATH(this->DoCrash(), "");
+  EXPECT_TRUE(gDumpCallbackCalled);
+}
+}