src/sync/syncable/syncable_id_unittest.cc

   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/syncable/syncable_id.h"
   6
   7 #include <vector>
   8
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/test/values_test_util.h"
  11 #include "base/values.h"
  12 #include "sync/test/engine/test_id_factory.h"
  13 #include "testing/gtest/include/gtest/gtest.h"
  14
  15 namespace syncer {
  16 namespace syncable {
  17
  18 using std::vector;
  19
  20 class SyncableIdTest : public testing::Test { };
  21
  22 TEST(SyncableIdTest, TestIDCreation) {
  23   vector<Id> v;
  24   v.push_back(TestIdFactory::FromNumber(5));
  25   v.push_back(TestIdFactory::FromNumber(1));
  26   v.push_back(TestIdFactory::FromNumber(-5));
  27   v.push_back(TestIdFactory::MakeLocal("A"));
  28   v.push_back(TestIdFactory::MakeLocal("B"));
  29   v.push_back(TestIdFactory::MakeServer("A"));
  30   v.push_back(TestIdFactory::MakeServer("B"));
  31   v.push_back(Id::CreateFromServerId("-5"));
  32   v.push_back(Id::CreateFromClientString("A"));
  33   v.push_back(Id::CreateFromServerId("A"));
  34
  35   for (vector<Id>::iterator i = v.begin(); i != v.end(); ++i) {
  36     for (vector<Id>::iterator j = v.begin(); j != i; ++j) {
  37       ASSERT_NE(*i, *j) << "mis equated two distinct ids";
  38     }
  39     ASSERT_EQ(*i, *i) << "self-equality failed";
  40     Id copy1 = *i;
  41     Id copy2 = *i;
  42     ASSERT_EQ(copy1, copy2) << "equality after copy failed";
  43   }
  44 }
  45
  46 TEST(SyncableIdTest, GetLeastIdForLexicographicComparison) {
  47   vector<Id> v;
  48   v.push_back(Id::CreateFromServerId("z5"));
  49   v.push_back(Id::CreateFromServerId("z55"));
  50   v.push_back(Id::CreateFromServerId("z6"));
  51   v.push_back(Id::CreateFromClientString("zA-"));
  52   v.push_back(Id::CreateFromClientString("zA--"));
  53   v.push_back(Id::CreateFromServerId("zA--"));
  54
  55   for (int i = 0; i <= 255; ++i) {
  56     std::string one_character_id;
  57     one_character_id.push_back(i);
  58     v.push_back(Id::CreateFromClientString(one_character_id));
  59   }
  60
  61   for (vector<Id>::iterator i = v.begin(); i != v.end(); ++i) {
  62     // The following looks redundant, but we're testing a custom operator<.
  63     ASSERT_LT(Id::GetLeastIdForLexicographicComparison(), *i);
  64     ASSERT_NE(*i, i->GetLexicographicSuccessor());
  65     ASSERT_NE(i->GetLexicographicSuccessor(), *i);
  66     ASSERT_LT(*i, i->GetLexicographicSuccessor());
  67     ASSERT_GT(i->GetLexicographicSuccessor(), *i);
  68     for (vector<Id>::iterator j = v.begin(); j != v.end(); ++j) {
  69       if (j == i)
  70         continue;
  71       if (*j < *i) {
  72         ASSERT_LT(j->GetLexicographicSuccessor(), *i);
  73         ASSERT_LT(j->GetLexicographicSuccessor(),
  74             i->GetLexicographicSuccessor());
  75         ASSERT_LT(*j, i->GetLexicographicSuccessor());
  76       } else {
  77         ASSERT_GT(j->GetLexicographicSuccessor(), *i);
  78         ASSERT_GT(j->GetLexicographicSuccessor(),
  79             i->GetLexicographicSuccessor());
  80         ASSERT_GT(*j, i->GetLexicographicSuccessor());
  81       }
  82     }
  83   }
  84 }
  85
  86 TEST(SyncableIdTest, ToValue) {
  87   base::ExpectStringValue("r", Id::CreateFromServerId("0").ToValue());
  88   base::ExpectStringValue("svalue", Id::CreateFromServerId("value").ToValue());
  89
  90   base::ExpectStringValue("r", Id::CreateFromClientString("0").ToValue());
  91   base::ExpectStringValue("cvalue",
  92                           Id::CreateFromClientString("value").ToValue());
  93 }
  94
  95 }  // namespace syncable
  96 }  // namespace syncer