Added test for tangent space flag (fails at the moment).

test/CMakeLists.txt

@@ -11,7 +11,8 @@ foreach(TEST
         ninode_test
         skin_test
         missing_link_stack_test
-        trishape_test)
+        trishape_test
+        numuvsets_test)
     add_executable(${TEST} ${TEST}.cpp)
     target_link_libraries(${TEST} ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY} niflib)
     add_test(niflib::${TEST} ${TEST})

test/numuvsets_test.cpp

+#define BOOST_TEST_DYN_LINK
+#define BOOST_TEST_MAIN
+#include <boost/test/unit_test.hpp>
+
+#include <sstream> // stringstream
+
+// evil hack to allow testing of private and protected data
+#define private public
+#define protected public 
+
+#include "niflib.h"
+#include "obj/NiNode.h"
+#include "obj/NiTriShape.h"
+#include "obj/NiTriShapeData.h"
+
+using namespace Niflib;
+using namespace std;
+
+BOOST_AUTO_TEST_SUITE(numuvsets_test_suite)
+
+BOOST_AUTO_TEST_CASE(numuvsets_write_test)
+{
+  stringstream ss;
+  stringstream ss2;
+
+  // create a simple nif tree with a trishape
+  NiNodeRef root = new NiNode;
+  NiTriShapeRef shape = new NiTriShape;
+  NiTriShapeDataRef data = new NiTriShapeData;
+  // set hierarchy
+  shape->SetData(data);
+  root->AddChild(DynamicCast<NiAVObject>(shape));
+  // set flag
+  data->SetTspaceFlag(1);
+  // write and read
+  NiObjectRef obj;
+  BOOST_CHECK_NO_THROW(WriteNifTree(ss, root, NifInfo(VER_20_0_0_5)));
+  ss.seekg(0);
+  BOOST_CHECK_NO_THROW(obj = ReadNifTree(ss));
+  // check flag
+  root = DynamicCast<NiNode>(obj);
+  BOOST_REQUIRE(root != NULL);
+  BOOST_REQUIRE_EQUAL(root->GetChildren().size(), 1);
+  shape = DynamicCast<NiTriShape>(root->GetChildren()[0]);
+  BOOST_REQUIRE(shape != NULL);
+  data = DynamicCast<NiTriShapeData>(shape->GetData());
+  BOOST_REQUIRE(data != NULL);
+  BOOST_CHECK_EQUAL(data->GetTspaceFlag(), 1);
+}
+
+BOOST_AUTO_TEST_SUITE_END()