Introduce a layering in the invalidation component as public and impl

components/invalidation/object_id_invalidation_map_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/object_id_invalidation_map_test_util.h"
-
-#include <algorithm>
-
-#include "base/basictypes.h"
-
-namespace syncer {
-
-using ::testing::MakeMatcher;
-using ::testing::MatchResultListener;
-using ::testing::Matcher;
-using ::testing::MatcherInterface;
-using ::testing::PrintToString;
-
-namespace {
-
-class ObjectIdInvalidationMapEqMatcher
-    : public MatcherInterface<const ObjectIdInvalidationMap&> {
- public:
-  explicit ObjectIdInvalidationMapEqMatcher(
-      const ObjectIdInvalidationMap& expected);
-
-  virtual bool MatchAndExplain(const ObjectIdInvalidationMap& lhs,
-                               MatchResultListener* listener) const;
-  virtual void DescribeTo(::std::ostream* os) const;
-  virtual void DescribeNegationTo(::std::ostream* os) const;
-
- private:
-  const ObjectIdInvalidationMap expected_;
-
-  DISALLOW_COPY_AND_ASSIGN(ObjectIdInvalidationMapEqMatcher);
-};
-
-ObjectIdInvalidationMapEqMatcher::ObjectIdInvalidationMapEqMatcher(
-    const ObjectIdInvalidationMap& expected) : expected_(expected) {
-}
-
-struct InvalidationEqPredicate {
-  InvalidationEqPredicate(const Invalidation& inv1)
-      : inv1_(inv1) { }
-
-  bool operator()(const Invalidation& inv2) {
-    return inv1_.Equals(inv2);
-  }
-
-  const Invalidation& inv1_;
-};
-
-bool ObjectIdInvalidationMapEqMatcher::MatchAndExplain(
-    const ObjectIdInvalidationMap& actual,
-    MatchResultListener* listener) const {
-
-  std::vector<syncer::Invalidation> expected_invalidations;
-  std::vector<syncer::Invalidation> actual_invalidations;
-
-  expected_.GetAllInvalidations(&expected_invalidations);
-  actual.GetAllInvalidations(&actual_invalidations);
-
-  std::vector<syncer::Invalidation> expected_only;
-  std::vector<syncer::Invalidation> actual_only;
-
-  for (std::vector<syncer::Invalidation>::iterator it =
-       expected_invalidations.begin();
-       it != expected_invalidations.end(); ++it) {
-    if (std::find_if(actual_invalidations.begin(),
-                     actual_invalidations.end(),
-                     InvalidationEqPredicate(*it))
-        == actual_invalidations.end()) {
-      expected_only.push_back(*it);
-    }
-  }
-
-  for (std::vector<syncer::Invalidation>::iterator it =
-       actual_invalidations.begin();
-       it != actual_invalidations.end(); ++it) {
-    if (std::find_if(expected_invalidations.begin(),
-                     expected_invalidations.end(),
-                     InvalidationEqPredicate(*it))
-        == expected_invalidations.end()) {
-      actual_only.push_back(*it);
-    }
-  }
-
-  if (expected_only.empty() && actual_only.empty())
-    return true;
-
-  bool printed_header = false;
-  if (!actual_only.empty()) {
-    *listener << " which has these unexpected elements: "
-              << PrintToString(actual_only);
-    printed_header = true;
-  }
-
-  if (!expected_only.empty()) {
-    *listener << (printed_header ? ",\nand" : "which")
-              << " doesn't have these expected elements: "
-              << PrintToString(expected_only);
-    printed_header = true;
-  }
-
-  return false;
-}
-
-void ObjectIdInvalidationMapEqMatcher::DescribeTo(::std::ostream* os) const {
-  *os << " is equal to " << PrintToString(expected_);
-}
-
-void ObjectIdInvalidationMapEqMatcher::DescribeNegationTo(
-    ::std::ostream* os) const {
-  *os << " isn't equal to " << PrintToString(expected_);
-}
-
-}  // namespace
-
-Matcher<const ObjectIdInvalidationMap&> Eq(
-    const ObjectIdInvalidationMap& expected) {
-  return MakeMatcher(new ObjectIdInvalidationMapEqMatcher(expected));
-}
-
-}  // namespace syncer