void DataStream::ReadNextRecordL()
{
DS_DEBUG_Start();
DS_Debug_Printf0("DataStream::ReadNextRecordL: step 1\n");
if(current_loading_record && current_loading_record->Finished())
{
DS_Debug_Printf0("DataStream::ReadNextRecordL: return 1\n");
return;
}
if(MoreData())
{
if(current_loading_record == NULL)
{
current_loading_record = CreateRecordL();
if(current_loading_record == NULL)
return;
}
DS_Debug_Printf0("DataStream::ReadNextRecordL: step 2\n");
// The status of current_loadint_record is manually checked later. Therefore we can safely ignore OpStatus.
OpStatus::Ignore(current_loading_record->ReadRecordFromStreamL(this));
DS_Debug_Printf0("DataStream::ReadNextRecordL: step 3\n");
if(current_loading_record->Finished())
{
DS_Debug_Printf0("DataStream::ReadNextRecordL: return 2\n");
return;
}
}
if(!MoreData() && !Active() && current_loading_record)
{
DS_Debug_Printf0("DataStream::ReadNextRecordL: step 4\n");
DataStream *temp = current_loading_record;
ReleaseRecord(current_loading_record);
OP_DELETE(temp);
}
DS_Debug_Printf0("DataStream::ReadNextRecordL: return 3\n");
}
int main()
{
__esan::HashTable<int, int> IntTable;
assert(IntTable.size() == 0);
// Test iteration on an empty table.
int Count = 0;
for (auto Iter = IntTable.begin(); Iter != IntTable.end();
++Iter, ++Count) {
// Empty.
}
assert(Count == 0);
bool Added = IntTable.add(4, 42);
assert(Added);
assert(!IntTable.add(4, 42));
assert(IntTable.size() == 1);
int Value;
bool Found = IntTable.lookup(4, Value);
assert(Found && Value == 42);
// Test iterator.
IntTable.lock();
for (auto Iter = IntTable.begin(); Iter != IntTable.end();
++Iter, ++Count) {
assert((*Iter).Key == 4);
assert((*Iter).Data == 42);
}
IntTable.unlock();
assert(Count == 1);
assert(Count == IntTable.size());
assert(!IntTable.remove(5));
assert(IntTable.remove(4));
// Test a more complex payload.
__esan::HashTable<int, MyDataPayload> DataTable(4);
MyDataPayload NewData(new MyData("mystring"));
Added = DataTable.add(4, NewData);
assert(Added);
MyDataPayload FoundData;
Found = DataTable.lookup(4, FoundData);
assert(Found && strcmp(FoundData.Data->Buf, "mystring") == 0);
assert(!DataTable.remove(5));
assert(DataTable.remove(4));
// Test resize.
for (int i = 0; i < 4; ++i) {
MyDataPayload MoreData(new MyData("delete-at-end"));
Added = DataTable.add(i+1, MoreData);
assert(Added);
assert(!DataTable.add(i+1, MoreData));
}
for (int i = 0; i < 4; ++i) {
Found = DataTable.lookup(i+1, FoundData);
assert(Found && strcmp(FoundData.Data->Buf, "delete-at-end") == 0);
}
DataTable.lock();
Count = 0;
for (auto Iter = DataTable.begin(); Iter != DataTable.end();
++Iter, ++Count) {
int Key = (*Iter).Key;
FoundData = (*Iter).Data;
assert(Key >= 1 && Key <= 4);
assert(strcmp(FoundData.Data->Buf, "delete-at-end") == 0);
}
DataTable.unlock();
assert(Count == 4);
assert(Count == DataTable.size());
// Ensure the iterator supports a range-based for loop.
DataTable.lock();
Count = 0;
for (auto Pair : DataTable) {
assert(Pair.Key >= 1 && Pair.Key <= 4);
assert(strcmp(Pair.Data.Data->Buf, "delete-at-end") == 0);
++Count;
}
DataTable.unlock();
assert(Count == 4);
assert(Count == DataTable.size());
// Test payload freeing via smart pointer wrapper.
__esan::HashTable<MyDataPayload, MyDataPayload, true> DataKeyTable;
MyDataPayload DataA(new MyData("string AB"));
DataKeyTable.lock();
Added = DataKeyTable.add(DataA, DataA);
assert(Added);
Found = DataKeyTable.lookup(DataA, FoundData);
assert(Found && strcmp(FoundData.Data->Buf, "string AB") == 0);
MyDataPayload DataB(new MyData("string AB"));
Added = DataKeyTable.add(DataB, DataB);
assert(!Added);
DataKeyTable.remove(DataB); // Should free the DataA payload.
DataKeyTable.unlock();
// Test custom functors.
struct CustomHash {
size_t operator()(int Key) const { return Key % 4; }
};
struct CustomEqual {
bool operator()(int Key1, int Key2) const { return Key1 %4 == Key2 % 4; }
};
__esan::HashTable<int, int, false, CustomHash, CustomEqual> ModTable;
Added = ModTable.add(2, 42);
assert(Added);
Added = ModTable.add(6, 42);
assert(!Added);
fprintf(stderr, "All checks passed.\n");
return 0;
}
