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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "sync/notifier/object_id_state_map_test_util.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 | |
| 9 #include "base/basictypes.h" | |
| 10 | |
| 11 namespace syncer { | |
| 12 | |
| 13 using ::testing::MakeMatcher; | |
| 14 using ::testing::MatchResultListener; | |
| 15 using ::testing::Matcher; | |
| 16 using ::testing::MatcherInterface; | |
| 17 using ::testing::PrintToString; | |
| 18 | |
| 19 namespace { | |
| 20 | |
| 21 class ObjectIdStateMapEqMatcher | |
| 22 : public MatcherInterface<const ObjectIdStateMap&> { | |
| 23 public: | |
| 24 explicit ObjectIdStateMapEqMatcher(const ObjectIdStateMap& expected); | |
| 25 | |
| 26 virtual bool MatchAndExplain(const ObjectIdStateMap& actual, | |
| 27 MatchResultListener* listener) const; | |
| 28 virtual void DescribeTo(::std::ostream* os) const; | |
| 29 virtual void DescribeNegationTo(::std::ostream* os) const; | |
| 30 | |
| 31 private: | |
| 32 const ObjectIdStateMap expected_; | |
| 33 | |
| 34 DISALLOW_COPY_AND_ASSIGN(ObjectIdStateMapEqMatcher); | |
| 35 }; | |
| 36 | |
| 37 ObjectIdStateMapEqMatcher::ObjectIdStateMapEqMatcher( | |
| 38 const ObjectIdStateMap& expected) : expected_(expected) { | |
| 39 } | |
| 40 | |
| 41 bool ObjectIdStateMapEqMatcher::MatchAndExplain( | |
| 42 const ObjectIdStateMap& actual, MatchResultListener* listener) const { | |
| 43 ObjectIdStateMap expected_only; | |
| 44 ObjectIdStateMap actual_only; | |
| 45 typedef std::pair<invalidation::ObjectId, | |
| 46 std::pair<InvalidationState, InvalidationState> > | |
| 47 ValueDifference; | |
| 48 std::vector<ValueDifference> value_differences; | |
| 49 | |
| 50 std::set_difference(expected_.begin(), expected_.end(), | |
| 51 actual.begin(), actual.end(), | |
| 52 std::inserter(expected_only, expected_only.begin()), | |
| 53 expected_.value_comp()); | |
| 54 std::set_difference(actual.begin(), actual.end(), | |
| 55 expected_.begin(), expected_.end(), | |
| 56 std::inserter(actual_only, actual_only.begin()), | |
| 57 actual.value_comp()); | |
| 58 | |
| 59 for (ObjectIdStateMap::const_iterator it = expected_.begin(); | |
| 60 it != expected_.end(); ++it) { | |
| 61 ObjectIdStateMap::const_iterator find_it = | |
| 62 actual.find(it->first); | |
| 63 if (find_it != actual.end() && | |
| 64 !Matches(Eq(it->second))(find_it->second)) { | |
| 65 value_differences.push_back(std::make_pair( | |
| 66 it->first, std::make_pair(it->second, find_it->second))); | |
| 67 } | |
| 68 } | |
| 69 | |
| 70 if (expected_only.empty() && actual_only.empty() && value_differences.empty()) | |
| 71 return true; | |
| 72 | |
| 73 bool printed_header = false; | |
| 74 if (!actual_only.empty()) { | |
| 75 *listener << " which has these unexpected elements: " | |
| 76 << PrintToString(actual_only); | |
| 77 printed_header = true; | |
| 78 } | |
| 79 | |
| 80 if (!expected_only.empty()) { | |
| 81 *listener << (printed_header ? ",\nand" : "which") | |
| 82 << " doesn't have these expected elements: " | |
| 83 << PrintToString(expected_only); | |
| 84 printed_header = true; | |
| 85 } | |
| 86 | |
| 87 if (!value_differences.empty()) { | |
| 88 *listener << (printed_header ? ",\nand" : "which") | |
| 89 << " differ in the following values: " | |
| 90 << PrintToString(value_differences); | |
| 91 } | |
| 92 | |
| 93 return false; | |
| 94 } | |
| 95 | |
| 96 void ObjectIdStateMapEqMatcher::DescribeTo(::std::ostream* os) const { | |
| 97 *os << " is equal to " << PrintToString(expected_); | |
| 98 } | |
| 99 | |
| 100 void ObjectIdStateMapEqMatcher::DescribeNegationTo(::std::ostream* os) const { | |
| 101 *os << " isn't equal to " << PrintToString(expected_); | |
| 102 } | |
| 103 | |
| 104 } // namespace | |
| 105 | |
| 106 Matcher<const ObjectIdStateMap&> Eq(const ObjectIdStateMap& expected) { | |
| 107 return MakeMatcher(new ObjectIdStateMapEqMatcher(expected)); | |
| 108 } | |
| 109 | |
| 110 } // namespace syncer | |
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