include_directories("${CMAKE_SOURCE_DIR}/tests")

add_custom_target(test_sqlpp_constraints COMMAND true)

function(test_constraint name pattern)

	add_executable(
		"${name}"
		EXCLUDE_FROM_ALL
		"${name}.cpp"
		)

	add_custom_command(OUTPUT "${name}.out"
				COMMAND "${CMAKE_MAKE_PROGRAM}" "${name}" > "${CMAKE_CURRENT_BINARY_DIR}/${name}.out" 2>&1  || true
				COMMAND grep "${pattern}" "${CMAKE_CURRENT_BINARY_DIR}/${name}.out" > /dev/null
				DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/${name}.cpp"
				COMMENT "${name}"
				VERBATIM)

	add_custom_target("test_${name}" DEPENDS "${name}.out" COMMAND true)


	add_dependencies(test_sqlpp_constraints "test_${name}")

endfunction(test_constraint)

test_constraint(count_of_count "requires an expression as argument")
test_constraint(max_of_max "requires an expression as argument")
test_constraint(no_conversion_operator_if_null_not_trivial "int i = row.alpha")
test_constraint(require_insert "required column is missing")
test_constraint(must_not_insert "one assignment is prohibited")
test_constraint(must_not_update "one assignment is prohibited")