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-rw-r--r--base/id_map_unittest.cc377
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diff --git a/base/id_map_unittest.cc b/base/id_map_unittest.cc
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index 42949bb5b9..0000000000
--- a/base/id_map_unittest.cc
+++ /dev/null
@@ -1,377 +0,0 @@
-// Copyright (c) 2011 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 "base/id_map.h"
-
-#include <stdint.h>
-
-#include <memory>
-
-#include "base/memory/ptr_util.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-class TestObject {
-};
-
-class DestructorCounter {
- public:
- explicit DestructorCounter(int* counter) : counter_(counter) {}
- ~DestructorCounter() { ++(*counter_); }
-
- private:
- int* counter_;
-};
-
-TEST(IDMapTest, Basic) {
- IDMap<TestObject*> map;
- EXPECT_TRUE(map.IsEmpty());
- EXPECT_EQ(0U, map.size());
-
- TestObject obj1;
- TestObject obj2;
-
- int32_t id1 = map.Add(&obj1);
- EXPECT_FALSE(map.IsEmpty());
- EXPECT_EQ(1U, map.size());
- EXPECT_EQ(&obj1, map.Lookup(id1));
-
- int32_t id2 = map.Add(&obj2);
- EXPECT_FALSE(map.IsEmpty());
- EXPECT_EQ(2U, map.size());
-
- EXPECT_EQ(&obj1, map.Lookup(id1));
- EXPECT_EQ(&obj2, map.Lookup(id2));
-
- map.Remove(id1);
- EXPECT_FALSE(map.IsEmpty());
- EXPECT_EQ(1U, map.size());
-
- map.Remove(id2);
- EXPECT_TRUE(map.IsEmpty());
- EXPECT_EQ(0U, map.size());
-
- map.AddWithID(&obj1, 1);
- map.AddWithID(&obj2, 2);
- EXPECT_EQ(&obj1, map.Lookup(1));
- EXPECT_EQ(&obj2, map.Lookup(2));
-
- EXPECT_EQ(&obj2, map.Replace(2, &obj1));
- EXPECT_EQ(&obj1, map.Lookup(2));
-
- EXPECT_EQ(0, map.iteration_depth());
-}
-
-TEST(IDMapTest, IteratorRemainsValidWhenRemovingCurrentElement) {
- IDMap<TestObject*> map;
-
- TestObject obj1;
- TestObject obj2;
- TestObject obj3;
-
- map.Add(&obj1);
- map.Add(&obj2);
- map.Add(&obj3);
-
- {
- IDMap<TestObject*>::const_iterator iter(&map);
-
- EXPECT_EQ(1, map.iteration_depth());
-
- while (!iter.IsAtEnd()) {
- map.Remove(iter.GetCurrentKey());
- iter.Advance();
- }
-
- // Test that while an iterator is still in scope, we get the map emptiness
- // right (http://crbug.com/35571).
- EXPECT_TRUE(map.IsEmpty());
- EXPECT_EQ(0U, map.size());
- }
-
- EXPECT_TRUE(map.IsEmpty());
- EXPECT_EQ(0U, map.size());
-
- EXPECT_EQ(0, map.iteration_depth());
-}
-
-TEST(IDMapTest, IteratorRemainsValidWhenRemovingOtherElements) {
- IDMap<TestObject*> map;
-
- const int kCount = 5;
- TestObject obj[kCount];
-
- for (int i = 0; i < kCount; i++)
- map.Add(&obj[i]);
-
- // IDMap uses a hash_map, which has no predictable iteration order.
- int32_t ids_in_iteration_order[kCount];
- const TestObject* objs_in_iteration_order[kCount];
- int counter = 0;
- for (IDMap<TestObject*>::const_iterator iter(&map); !iter.IsAtEnd();
- iter.Advance()) {
- ids_in_iteration_order[counter] = iter.GetCurrentKey();
- objs_in_iteration_order[counter] = iter.GetCurrentValue();
- counter++;
- }
-
- counter = 0;
- for (IDMap<TestObject*>::const_iterator iter(&map); !iter.IsAtEnd();
- iter.Advance()) {
- EXPECT_EQ(1, map.iteration_depth());
-
- switch (counter) {
- case 0:
- EXPECT_EQ(ids_in_iteration_order[0], iter.GetCurrentKey());
- EXPECT_EQ(objs_in_iteration_order[0], iter.GetCurrentValue());
- map.Remove(ids_in_iteration_order[1]);
- break;
- case 1:
- EXPECT_EQ(ids_in_iteration_order[2], iter.GetCurrentKey());
- EXPECT_EQ(objs_in_iteration_order[2], iter.GetCurrentValue());
- map.Remove(ids_in_iteration_order[3]);
- break;
- case 2:
- EXPECT_EQ(ids_in_iteration_order[4], iter.GetCurrentKey());
- EXPECT_EQ(objs_in_iteration_order[4], iter.GetCurrentValue());
- map.Remove(ids_in_iteration_order[0]);
- break;
- default:
- FAIL() << "should not have that many elements";
- break;
- }
-
- counter++;
- }
-
- EXPECT_EQ(0, map.iteration_depth());
-}
-
-TEST(IDMapTest, CopyIterator) {
- IDMap<TestObject*> map;
-
- TestObject obj1;
- TestObject obj2;
- TestObject obj3;
-
- map.Add(&obj1);
- map.Add(&obj2);
- map.Add(&obj3);
-
- EXPECT_EQ(0, map.iteration_depth());
-
- {
- IDMap<TestObject*>::const_iterator iter1(&map);
- EXPECT_EQ(1, map.iteration_depth());
-
- // Make sure that copying the iterator correctly increments
- // map's iteration depth.
- IDMap<TestObject*>::const_iterator iter2(iter1);
- EXPECT_EQ(2, map.iteration_depth());
- }
-
- // Make sure after destroying all iterators the map's iteration depth
- // returns to initial state.
- EXPECT_EQ(0, map.iteration_depth());
-}
-
-TEST(IDMapTest, AssignIterator) {
- IDMap<TestObject*> map;
-
- TestObject obj1;
- TestObject obj2;
- TestObject obj3;
-
- map.Add(&obj1);
- map.Add(&obj2);
- map.Add(&obj3);
-
- EXPECT_EQ(0, map.iteration_depth());
-
- {
- IDMap<TestObject*>::const_iterator iter1(&map);
- EXPECT_EQ(1, map.iteration_depth());
-
- IDMap<TestObject*>::const_iterator iter2(&map);
- EXPECT_EQ(2, map.iteration_depth());
-
- // Make sure that assigning the iterator correctly updates
- // map's iteration depth (-1 for destruction, +1 for assignment).
- EXPECT_EQ(2, map.iteration_depth());
- }
-
- // Make sure after destroying all iterators the map's iteration depth
- // returns to initial state.
- EXPECT_EQ(0, map.iteration_depth());
-}
-
-TEST(IDMapTest, IteratorRemainsValidWhenClearing) {
- IDMap<TestObject*> map;
-
- const int kCount = 5;
- TestObject obj[kCount];
-
- for (int i = 0; i < kCount; i++)
- map.Add(&obj[i]);
-
- // IDMap uses a hash_map, which has no predictable iteration order.
- int32_t ids_in_iteration_order[kCount];
- const TestObject* objs_in_iteration_order[kCount];
- int counter = 0;
- for (IDMap<TestObject*>::const_iterator iter(&map); !iter.IsAtEnd();
- iter.Advance()) {
- ids_in_iteration_order[counter] = iter.GetCurrentKey();
- objs_in_iteration_order[counter] = iter.GetCurrentValue();
- counter++;
- }
-
- counter = 0;
- for (IDMap<TestObject*>::const_iterator iter(&map); !iter.IsAtEnd();
- iter.Advance()) {
- switch (counter) {
- case 0:
- EXPECT_EQ(ids_in_iteration_order[0], iter.GetCurrentKey());
- EXPECT_EQ(objs_in_iteration_order[0], iter.GetCurrentValue());
- break;
- case 1:
- EXPECT_EQ(ids_in_iteration_order[1], iter.GetCurrentKey());
- EXPECT_EQ(objs_in_iteration_order[1], iter.GetCurrentValue());
- map.Clear();
- EXPECT_TRUE(map.IsEmpty());
- EXPECT_EQ(0U, map.size());
- break;
- default:
- FAIL() << "should not have that many elements";
- break;
- }
- counter++;
- }
-
- EXPECT_TRUE(map.IsEmpty());
- EXPECT_EQ(0U, map.size());
-}
-
-TEST(IDMapTest, OwningPointersDeletesThemOnRemove) {
- const int kCount = 3;
-
- int external_del_count = 0;
- DestructorCounter* external_obj[kCount];
- int map_external_ids[kCount];
-
- int owned_del_count = 0;
- int map_owned_ids[kCount];
-
- IDMap<DestructorCounter*> map_external;
- IDMap<std::unique_ptr<DestructorCounter>> map_owned;
-
- for (int i = 0; i < kCount; ++i) {
- external_obj[i] = new DestructorCounter(&external_del_count);
- map_external_ids[i] = map_external.Add(external_obj[i]);
-
- map_owned_ids[i] =
- map_owned.Add(base::MakeUnique<DestructorCounter>(&owned_del_count));
- }
-
- for (int i = 0; i < kCount; ++i) {
- EXPECT_EQ(external_del_count, 0);
- EXPECT_EQ(owned_del_count, i);
-
- map_external.Remove(map_external_ids[i]);
- map_owned.Remove(map_owned_ids[i]);
- }
-
- for (int i = 0; i < kCount; ++i) {
- delete external_obj[i];
- }
-
- EXPECT_EQ(external_del_count, kCount);
- EXPECT_EQ(owned_del_count, kCount);
-}
-
-TEST(IDMapTest, OwningPointersDeletesThemOnClear) {
- const int kCount = 3;
-
- int external_del_count = 0;
- DestructorCounter* external_obj[kCount];
-
- int owned_del_count = 0;
-
- IDMap<DestructorCounter*> map_external;
- IDMap<std::unique_ptr<DestructorCounter>> map_owned;
-
- for (int i = 0; i < kCount; ++i) {
- external_obj[i] = new DestructorCounter(&external_del_count);
- map_external.Add(external_obj[i]);
-
- map_owned.Add(base::MakeUnique<DestructorCounter>(&owned_del_count));
- }
-
- EXPECT_EQ(external_del_count, 0);
- EXPECT_EQ(owned_del_count, 0);
-
- map_external.Clear();
- map_owned.Clear();
-
- EXPECT_EQ(external_del_count, 0);
- EXPECT_EQ(owned_del_count, kCount);
-
- for (int i = 0; i < kCount; ++i) {
- delete external_obj[i];
- }
-
- EXPECT_EQ(external_del_count, kCount);
- EXPECT_EQ(owned_del_count, kCount);
-}
-
-TEST(IDMapTest, OwningPointersDeletesThemOnDestruct) {
- const int kCount = 3;
-
- int external_del_count = 0;
- DestructorCounter* external_obj[kCount];
-
- int owned_del_count = 0;
-
- {
- IDMap<DestructorCounter*> map_external;
- IDMap<std::unique_ptr<DestructorCounter>> map_owned;
-
- for (int i = 0; i < kCount; ++i) {
- external_obj[i] = new DestructorCounter(&external_del_count);
- map_external.Add(external_obj[i]);
-
- map_owned.Add(base::MakeUnique<DestructorCounter>(&owned_del_count));
- }
- }
-
- EXPECT_EQ(external_del_count, 0);
-
- for (int i = 0; i < kCount; ++i) {
- delete external_obj[i];
- }
-
- EXPECT_EQ(external_del_count, kCount);
- EXPECT_EQ(owned_del_count, kCount);
-}
-
-TEST(IDMapTest, Int64KeyType) {
- IDMap<TestObject*, int64_t> map;
- TestObject obj1;
- const int64_t kId1 = 999999999999999999;
-
- map.AddWithID(&obj1, kId1);
- EXPECT_EQ(&obj1, map.Lookup(kId1));
-
- IDMap<TestObject*, int64_t>::const_iterator iter(&map);
- ASSERT_FALSE(iter.IsAtEnd());
- EXPECT_EQ(kId1, iter.GetCurrentKey());
- EXPECT_EQ(&obj1, iter.GetCurrentValue());
- iter.Advance();
- ASSERT_TRUE(iter.IsAtEnd());
-
- map.Remove(kId1);
- EXPECT_TRUE(map.IsEmpty());
-}
-
-} // namespace