mandoline: Fork the files service from the mojo repository.

components/filesystem/files_test_base.h

+// 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.
+
+#ifndef SERVICES_FILES_FILES_TEST_BASE_H_
+#define SERVICES_FILES_FILES_TEST_BASE_H_
+
+#include "base/macros.h"
+#include "components/filesystem/public/interfaces/files.mojom.h"
+#include "mojo/application/public/cpp/application_test_base.h"
+
+namespace mojo {
+namespace files {
+
+// TODO(vtl): Stuff copied from mojo/public/cpp/bindings/lib/template_util.h.
+template <class T, T v>
+struct IntegralConstant {
+  static const T value = v;
+};
+
+template <class T, T v>
+const T IntegralConstant<T, v>::value;
+
+typedef IntegralConstant<bool, true> TrueType;
+typedef IntegralConstant<bool, false> FalseType;
+
+template <class T>
+struct IsConst : FalseType {};
+template <class T>
+struct IsConst<const T> : TrueType {};
+
+template <bool B, typename T = void>
+struct EnableIf {};
+
+template <typename T>
+struct EnableIf<true, T> {
+  typedef T type;
+};
+
+typedef char YesType;
+
+struct NoType {
+  YesType dummy[2];
+};
+
+template <typename T>
+struct IsMoveOnlyType {
+  template <typename U>
+  static YesType Test(const typename U::MoveOnlyTypeForCPP03*);
+
+  template <typename U>
+  static NoType Test(...);
+
+  static const bool value =
+      sizeof(Test<T>(0)) == sizeof(YesType) && !IsConst<T>::value;
+};
+
+template <typename T>
+typename EnableIf<!IsMoveOnlyType<T>::value, T>::type& Forward(T& t) {
+  return t;
+}
+
+template <typename T>
+typename EnableIf<IsMoveOnlyType<T>::value, T>::type Forward(T& t) {
+  return t.Pass();
+}
+// TODO(vtl): (End of stuff copied from template_util.h.)
+
+template <typename T1>
+Callback<void(T1)> Capture(T1* t1) {
+  return [t1](T1 got_t1) { *t1 = Forward(got_t1); };
+}
+
+template <typename T1, typename T2>
+Callback<void(T1, T2)> Capture(T1* t1, T2* t2) {
+  return [t1, t2](T1 got_t1, T2 got_t2) {
+    *t1 = Forward(got_t1);
+    *t2 = Forward(got_t2);
+  };
+}
+
+class FilesTestBase : public test::ApplicationTestBase {
+ public:
+  FilesTestBase();
+  ~FilesTestBase() override;
+
+  void SetUp() override;
+
+ protected:
+  // Note: This has an out parameter rather than returning the |DirectoryPtr|,
+  // since |ASSERT_...()| doesn't work with return values.
+  void GetTemporaryRoot(DirectoryPtr* directory);
+
+  FilesPtr& files() { return files_; }
+
+ private:
+  FilesPtr files_;
+
+  DISALLOW_COPY_AND_ASSIGN(FilesTestBase);
+};
+
+}  // namespace files
+}  // namespace mojo
+
+#endif  // SERVICES_FILES_FILES_TEST_BASE_H_