Refactor Pepper device API

Track Pepper DeviceContexts using ID (and reclaim them upon shutdown)
Refactor device-specific code into pepper_devices.h

Review URL: http://codereview.chromium.org/548100

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@37060 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 80 insertions, 0 deletions

diff --git a/base/id_map_unittest.cc b/base/id_map_unittest.cc
index 7b12e35..58abf96 100644
--- a/base/id_map_unittest.cc
+++ b/base/id_map_unittest.cc
@@ -14,6 +14,14 @@ class IDMapTest : public testing::Test {
 class TestObject {
 };
 
+class DestructorCounter {
+ public:
+  explicit DestructorCounter(int* counter) : counter_(counter) {}
+  ~DestructorCounter() { ++(*counter_); }
+ private:
+  int* counter_;
+};
+
 TEST_F(IDMapTest, Basic) {
   IDMap<TestObject> map;
   EXPECT_TRUE(map.IsEmpty());
@@ -103,4 +111,76 @@ TEST_F(IDMapTest, IteratorRemainsValidWhenRemovingOtherElements) {
   }
 }
 
+TEST_F(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;
+  DestructorCounter* owned_obj[kCount];
+  int map_owned_ids[kCount];
+
+  IDMap<DestructorCounter> map_external;
+  IDMap<DestructorCounter, IDMapOwnPointer> 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]);
+
+    owned_obj[i] = new DestructorCounter(&owned_del_count);
+    map_owned_ids[i] = map_owned.Add(owned_obj[i]);
+  }
+
+  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_F(IDMapTest, OwningPointersDeletesThemOnDestruct) {
+  const int kCount = 3;
+
+  int external_del_count = 0;
+  DestructorCounter* external_obj[kCount];
+  int map_external_ids[kCount];
+
+  int owned_del_count = 0;
+  DestructorCounter* owned_obj[kCount];
+  int map_owned_ids[kCount];
+
+  {
+    IDMap<DestructorCounter> map_external;
+    IDMap<DestructorCounter, IDMapOwnPointer> 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]);
+
+      owned_obj[i] = new DestructorCounter(&owned_del_count);
+      map_owned_ids[i] = map_owned.Add(owned_obj[i]);
+    }
+  }
+
+  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);
+}
+
 }  // namespace