Refactor ModelTypePayloadMap and ObjectIdPayloadMap to StateMaps.

sync/internal_api/public/base/invalidation_state_test_util.cc

+// Copyright (c) 2012 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 "sync/internal_api/public/base/invalidation_state_test_util.h"
+
+#include "base/basictypes.h"
+
+using ::testing::MakeMatcher;
+using ::testing::MatchResultListener;
+using ::testing::Matcher;
+using ::testing::MatcherInterface;
+using ::testing::PrintToString;
+
+namespace syncer {
+
+namespace {
+
+class InvalidationStateEqMatcher
+    : public MatcherInterface<const InvalidationState&> {
+ public:
+  explicit InvalidationStateEqMatcher(const InvalidationState& expected);
+
+  virtual bool MatchAndExplain(const InvalidationState& actual,
+                               MatchResultListener* listener) const;
+  virtual void DescribeTo(::std::ostream* os) const;
+  virtual void DescribeNegationTo(::std::ostream* os) const;
+
+ private:
+  InvalidationState expected_;
+
+  DISALLOW_COPY_AND_ASSIGN(InvalidationStateEqMatcher);
+};
+
+InvalidationStateEqMatcher::InvalidationStateEqMatcher(
+    const InvalidationState& expected) : expected_(expected) {
+}
+
+bool InvalidationStateEqMatcher::MatchAndExplain(
+    const InvalidationState& actual, MatchResultListener* listener) const {
+  return expected_.payload == actual.payload;
+}
+
+void InvalidationStateEqMatcher::DescribeTo(::std::ostream* os) const {
+  *os << " is equal to " << PrintToString(expected_);
+}
+
+void InvalidationStateEqMatcher::DescribeNegationTo(::std::ostream* os) const {
+  *os << " isn't equal to " << PrintToString(expected_);
+}
+
+}  // namespace
+
+void PrintTo(const InvalidationState& state, ::std::ostream* os) {
+  *os << "{ payload: " << state.payload << "}";
+}
+
+Matcher<const InvalidationState&> Eq(const InvalidationState& expected) {
+  return MakeMatcher(new InvalidationStateEqMatcher(expected));
+}
+
+}  // namespace syncer