cmake(java): Add examples/tests (#202)

CMakeLists.txt

@@ -244,7 +244,10 @@ foreach(SAMPLES IN ITEMS algorithms graph linear_solver constraint_solver sat)
   add_subdirectory(ortools/${SAMPLES}/samples)
 endforeach()
 
-# Same for examples/contrib
+# Same for examples
 foreach(EXAMPLES IN ITEMS contrib cpp python java dotnet)
   add_subdirectory(examples/${EXAMPLES})
 endforeach()
+
+# Add tests in examples/tests
+add_subdirectory(examples/tests)

examples/tests/CMakeLists.txt

@@ -0,0 +1,31 @@
+if(NOT BUILD_EXAMPLES)
+	return()
+endif()
+
+if(BUILD_CXX_EXAMPLES)
+  file(GLOB CXX_SRCS "*.cc")
+  foreach(FILE_NAME IN LISTS CXX_SRCS)
+    #add_cxx_test(${FILE_NAME})
+  endforeach()
+endif()
+
+if(BUILD_PYTHON_EXAMPLES)
+  file(GLOB PYTHON_SRCS "*.py")
+  foreach(FILE_NAME IN LISTS PYTHON_SRCS)
+    #add_python_test(${FILE_NAME})
+  endforeach()
+endif()
+
+if(BUILD_JAVA_EXAMPLES)
+  file(GLOB JAVA_SRCS "*.java")
+  foreach(FILE_NAME IN LISTS JAVA_SRCS)
+    add_java_test(${FILE_NAME})
+  endforeach()
+endif()
+
+if(BUILD_DOTNET_EXAMPLES)
+  file(GLOB DOTNET_SRCS "*.cs")
+  foreach(FILE_NAME IN LISTS DOTNET_SRCS)
+    #add_dotnet_test(${FILE_NAME})
+  endforeach()
+endif()

examples/tests/LinearSolverTest.java

@@ -17,7 +17,6 @@ import com.google.ortools.linearsolver.MPConstraint;
 import com.google.ortools.linearsolver.MPObjective;
 import com.google.ortools.linearsolver.MPSolver;
 import com.google.ortools.linearsolver.MPVariable;
-import com.google.ortools.linearsolver.main_research_linear_solver;
 import java.util.Arrays;
 import java.util.ArrayList;
 import java.util.logging.Logger;