Cloning a bunch of stuff from the native_client repository at r6528

ppapi/native_client/tests/ppapi_test_example/ppapi_test_example.cc

+// Copyright (c) 2011 The Native Client 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 <string.h>
+
+#include "native_client/src/include/nacl_macros.h"
+#include "native_client/src/shared/platform/nacl_check.h"
+#include "native_client/tests/ppapi_test_lib/get_browser_interface.h"
+#include "native_client/tests/ppapi_test_lib/test_interface.h"
+
+#include "ppapi/c/pp_bool.h"
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/c/ppb_core.h"
+
+namespace {
+
+void Callback(void* /*data*/, int32_t /*result*/) {
+  printf("--- Callback\n");
+}
+
+void TestSimple() {
+  printf("--- TestSimple\n");
+  EXPECT(pp_instance() != kInvalidInstance);
+  EXPECT(pp_module() != kInvalidModule);
+  TEST_PASSED;
+}
+
+void TestCallback() {
+  printf("--- TestCallback\n");
+  PP_CompletionCallback callback = MakeTestableCompletionCallback(
+      "Callback", Callback, NULL /*user_data*/);
+  PPBCore()->CallOnMainThread(10, callback, PP_OK);
+  TEST_PASSED;
+}
+
+}  // namespace
+
+void SetupTests() {
+  RegisterTest("TestSimple", TestSimple);
+  RegisterTest("TestCallback", TestCallback);
+}
+
+void SetupPluginInterfaces() {
+  // TODO(polina): add an example of PPP interface testing
+}