port(2V0-b): verify window tree and fix 64-bit LZO lengths

extension/tests/port_eterpack_test.cpp

@@ -9,10 +9,12 @@
 #include "EterPack/StdAfx.h"
 #include "EterPack/EterPackManager.h"
 #include "EterBase/CRC32.h"
+#include "EterBase/lzo.h"
 #include "../src/platform/UserInterface/UserInterface.h"
 
 #include <cstdio>
 #include <cstdlib>
+#include <cstring>
 #include <fstream>
 #include <map>
 #include <set>
@@ -73,6 +75,16 @@ int main(int argc, char** argv)
 	}
 
 	PackSingletons();
+	// A 32-bit pack header must round-trip through liblzo's native-width output parameter.
+	const char sample[] = "40250 pack LZO length on a 64-bit host";
+	CLZObject compressed;
+	compressed.BeginCompress(sample, sizeof(sample));
+	CHECK(compressed.Compress());
+	CLZObject restored;
+	CHECK(restored.BeginDecompress(compressed.GetBuffer()));
+	CHECK(restored.Decompress());
+	CHECK(restored.GetSize() == sizeof(sample));
+	CHECK(std::memcmp(restored.GetBuffer(), sample, sizeof(sample)) == 0);
 	CHECK(PackInitialize("pack"));
 	CEterPackManager& mgr = CEterPackManager::Instance();