Home | History | Annotate | Download | only in base 
      1 // Copyright 2013 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/internal_api/public/base/object_id_invalidation_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 ObjectIdInvalidationMapEqMatcher
     22     : public MatcherInterface<const ObjectIdInvalidationMap&> {
     23  public:
     24   explicit ObjectIdInvalidationMapEqMatcher(
     25       const ObjectIdInvalidationMap& expected);
     26 
     27   virtual bool MatchAndExplain(const ObjectIdInvalidationMap& lhs,
     28                                MatchResultListener* listener) const;
     29   virtual void DescribeTo(::std::ostream* os) const;
     30   virtual void DescribeNegationTo(::std::ostream* os) const;
     31 
     32  private:
     33   const ObjectIdInvalidationMap expected_;
     34 
     35   DISALLOW_COPY_AND_ASSIGN(ObjectIdInvalidationMapEqMatcher);
     36 };
     37 
     38 ObjectIdInvalidationMapEqMatcher::ObjectIdInvalidationMapEqMatcher(
     39     const ObjectIdInvalidationMap& expected) : expected_(expected) {
     40 }
     41 
     42 namespace {
     43 
     44 struct InvalidationEqPredicate {
     45   InvalidationEqPredicate(const Invalidation& inv1)
     46       : inv1_(inv1) { }
     47 
     48   bool operator()(const Invalidation& inv2) {
     49     return inv1_.Equals(inv2);
     50   }
     51 
     52   const Invalidation& inv1_;
     53 };
     54 
     55 }
     56 
     57 bool ObjectIdInvalidationMapEqMatcher::MatchAndExplain(
     58     const ObjectIdInvalidationMap& actual,
     59     MatchResultListener* listener) const {
     60 
     61   std::vector<syncer::Invalidation> expected_invalidations;
     62   std::vector<syncer::Invalidation> actual_invalidations;
     63 
     64   expected_.GetAllInvalidations(&expected_invalidations);
     65   actual.GetAllInvalidations(&actual_invalidations);
     66 
     67   std::vector<syncer::Invalidation> expected_only;
     68   std::vector<syncer::Invalidation> actual_only;
     69 
     70   for (std::vector<syncer::Invalidation>::iterator it =
     71        expected_invalidations.begin();
     72        it != expected_invalidations.end(); ++it) {
     73     if (std::find_if(actual_invalidations.begin(),
     74                      actual_invalidations.end(),
     75                      InvalidationEqPredicate(*it))
     76         == actual_invalidations.end()) {
     77       expected_only.push_back(*it);
     78     }
     79   }
     80 
     81   for (std::vector<syncer::Invalidation>::iterator it =
     82        actual_invalidations.begin();
     83        it != actual_invalidations.end(); ++it) {
     84     if (std::find_if(expected_invalidations.begin(),
     85                      expected_invalidations.end(),
     86                      InvalidationEqPredicate(*it))
     87         == expected_invalidations.end()) {
     88       actual_only.push_back(*it);
     89     }
     90   }
     91 
     92   if (expected_only.empty() && actual_only.empty())
     93     return true;
     94 
     95   bool printed_header = false;
     96   if (!actual_only.empty()) {
     97     *listener << " which has these unexpected elements: "
     98               << PrintToString(actual_only);
     99     printed_header = true;
    100   }
    101 
    102   if (!expected_only.empty()) {
    103     *listener << (printed_header ? ",\nand" : "which")
    104               << " doesn't have these expected elements: "
    105               << PrintToString(expected_only);
    106     printed_header = true;
    107   }
    108 
    109   return false;
    110 }
    111 
    112 void ObjectIdInvalidationMapEqMatcher::DescribeTo(::std::ostream* os) const {
    113   *os << " is equal to " << PrintToString(expected_);
    114 }
    115 
    116 void ObjectIdInvalidationMapEqMatcher::DescribeNegationTo(
    117     ::std::ostream* os) const {
    118   *os << " isn't equal to " << PrintToString(expected_);
    119 }
    120 
    121 }  // namespace
    122 
    123 Matcher<const ObjectIdInvalidationMap&> Eq(
    124     const ObjectIdInvalidationMap& expected) {
    125   return MakeMatcher(new ObjectIdInvalidationMapEqMatcher(expected));
    126 }
    127 
    128 }  // namespace syncer
    129