Address some review comments

Addressed comments in dex cache and class table. Added class table
test.

Test: mm test-art-host-gtest-class_table_test -j20

Change-Id: I3ec0282247187acb1ec7af25b309501f001a1c3e

1 files changed, 13 insertions, 0 deletions

diff --git a/runtime/class_table-inl.h b/runtime/class_table-inl.h
index 229cd477dd..dfe8949134 100644
--- a/runtime/class_table-inl.h
+++ b/runtime/class_table-inl.h
@@ -71,6 +71,19 @@ bool ClassTable::Visit(Visitor& visitor) {
   return true;
 }
 
+template <typename Visitor>
+bool ClassTable::Visit(const Visitor& visitor) {
+  ReaderMutexLock mu(Thread::Current(), lock_);
+  for (ClassSet& class_set : classes_) {
+    for (TableSlot& table_slot : class_set) {
+      if (!visitor(table_slot.Read())) {
+        return false;
+      }
+    }
+  }
+  return true;
+}
+
 template<ReadBarrierOption kReadBarrierOption>
 inline mirror::Class* ClassTable::TableSlot::Read() const {
   const uint32_t before = data_.LoadRelaxed();