win: Add WinMultiprocess for multiprocess Windows tests

test/win/win_multiprocess_test.cc

+// Copyright 2015 The Crashpad Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "test/win/win_multiprocess.h"
+
+#include "base/basictypes.h"
+#include "gtest/gtest.h"
+
+namespace crashpad {
+namespace test {
+namespace {
+
+class TestWinMultiprocess final : public WinMultiprocess {
+ public:
+  explicit TestWinMultiprocess(unsigned int exit_code)
+      : WinMultiprocess(), exit_code_(exit_code) {}
+
+  ~TestWinMultiprocess() {}
+
+ private:
+  // WinMultiprocess will have already exercised the pipes.
+  void WinMultiprocessParent() override {}
+
+  void WinMultiprocessChild() override {
+    exit(exit_code_);
+  }
+
+  unsigned int exit_code_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestWinMultiprocess);
+};
+
+TEST(WinMultiprocess, WinMultiprocess) {
+  TestWinMultiprocess win_multiprocess(0);
+  win_multiprocess.Run();
+}
+
+TEST(WinMultiprocess, WinMultiprocessNonSuccessExitCode) {
+  TestWinMultiprocess win_multiprocess(100);
+  win_multiprocess.SetExpectedChildExitCode(100);
+  win_multiprocess.Run();
+}
+
+}  // namespace
+}  // namespace test
+}  // namespace crashpad