Introduce a layering in the invalidation component as public and impl

components/invalidation/invalidation_test_util.cc

-// Copyright 2014 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.
-
-#include "components/invalidation/invalidation_test_util.h"
-
-#include "base/basictypes.h"
-#include "base/json/json_writer.h"
-#include "base/json/string_escape.h"
-#include "base/values.h"
-#include "components/invalidation/invalidation.h"
-
-namespace syncer {
-
-using ::testing::MakeMatcher;
-using ::testing::MatchResultListener;
-using ::testing::Matcher;
-using ::testing::MatcherInterface;
-using ::testing::PrintToString;
-
-namespace {
-
-class AckHandleEqMatcher : public MatcherInterface<const AckHandle&> {
- public:
-  explicit AckHandleEqMatcher(const AckHandle& expected);
-
-  virtual bool MatchAndExplain(const AckHandle& actual,
-                               MatchResultListener* listener) const;
-  virtual void DescribeTo(::std::ostream* os) const;
-  virtual void DescribeNegationTo(::std::ostream* os) const;
-
- private:
-  const AckHandle expected_;
-
-  DISALLOW_COPY_AND_ASSIGN(AckHandleEqMatcher);
-};
-
-AckHandleEqMatcher::AckHandleEqMatcher(const AckHandle& expected)
-    : expected_(expected) {
-}
-
-bool AckHandleEqMatcher::MatchAndExplain(const AckHandle& actual,
-                                         MatchResultListener* listener) const {
-  return expected_.Equals(actual);
-}
-
-void AckHandleEqMatcher::DescribeTo(::std::ostream* os) const {
-  *os << " is equal to " << PrintToString(expected_);
-}
-
-void AckHandleEqMatcher::DescribeNegationTo(::std::ostream* os) const {
-  *os << " isn't equal to " << PrintToString(expected_);
-}
-
-class InvalidationEqMatcher : public MatcherInterface<const Invalidation&> {
- public:
-  explicit InvalidationEqMatcher(const Invalidation& expected);
-
-  virtual bool MatchAndExplain(const Invalidation& actual,
-                               MatchResultListener* listener) const;
-  virtual void DescribeTo(::std::ostream* os) const;
-  virtual void DescribeNegationTo(::std::ostream* os) const;
-
- private:
-  const Invalidation expected_;
-
-  DISALLOW_COPY_AND_ASSIGN(InvalidationEqMatcher);
-};
-
-InvalidationEqMatcher::InvalidationEqMatcher(const Invalidation& expected)
-    : expected_(expected) {
-}
-
-bool InvalidationEqMatcher::MatchAndExplain(
-    const Invalidation& actual,
-    MatchResultListener* listener) const {
-  if (!(expected_.object_id() == actual.object_id())) {
-    return false;
-  }
-  if (expected_.is_unknown_version() && actual.is_unknown_version()) {
-    return true;
-  } else if (expected_.is_unknown_version() != actual.is_unknown_version()) {
-    return false;
-  } else {
-    // Neither is unknown version.
-    return expected_.payload() == actual.payload() &&
-           expected_.version() == actual.version();
-  }
-}
-
-void InvalidationEqMatcher::DescribeTo(::std::ostream* os) const {
-  *os << " is equal to " << PrintToString(expected_);
-}
-
-void InvalidationEqMatcher::DescribeNegationTo(::std::ostream* os) const {
-  *os << " isn't equal to " << PrintToString(expected_);
-}
-
-}  // namespace
-
-void PrintTo(const AckHandle& ack_handle, ::std::ostream* os) {
-  std::string printable_ack_handle;
-  base::JSONWriter::Write(*ack_handle.ToValue(), &printable_ack_handle);
-  *os << "{ ack_handle: " << printable_ack_handle << " }";
-}
-
-Matcher<const AckHandle&> Eq(const AckHandle& expected) {
-  return MakeMatcher(new AckHandleEqMatcher(expected));
-}
-
-void PrintTo(const Invalidation& inv, ::std::ostream* os) {
-  *os << "{ payload: " << inv.ToString() << " }";
-}
-
-Matcher<const Invalidation&> Eq(const Invalidation& expected) {
-  return MakeMatcher(new InvalidationEqMatcher(expected));
-}
-
-}  // namespace syncer