Add tests and improve interface

tests/CMakeLists.txt

@@ -0,0 +1,11 @@
+
+# Configure catch3
+include_directories(./catch3/)
+add_library(cmi_catch3 SHARED ./catch3/catch_amalgamated.cpp)
+
+# Add tests
+add_executable(cmi_tests cmi_tests.cpp)
+target_link_libraries(cmi_tests ChessMoveInterface cmi_catch3)
+add_test(CMI_TESTS cmi_tests)
+
+

tests/cmi_tests.cpp

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+#include "CMI.hpp"
+#include <catch_amalgamated.hpp>
+
+using namespace CMI;
+
+#define NEW_MOVE(VAR,SAN) HalfMove *(VAR)=new HalfMove();  (VAR)->SetSAN((SAN));
+
+
+HalfMove *BuildTree(){
+    NEW_MOVE(m1,"e4");
+    NEW_MOVE(m2,"e5");
+    m1->SetMainline(m2);
+    return m1;
+}
+
+
+TEST_CASE("CMI Tests", "[valid]") {
+  HalfMove *m=BuildTree();
+
+CHECK(m->GetNumber()==1);
+CHECK(m->GetMainline()->GetNumber()==1);
+
+}