anthem/tests/TestSimplification.cpp

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#include <catch.hpp>
#include <sstream>
#include <anthem/Context.h>
#include <anthem/Translation.h>
////////////////////////////////////////////////////////////////////////////////////////////////////
2017-04-08 18:42:36 +02:00
TEST_CASE("[simplification] Rules are simplified correctly", "[simplification]")
{
std::stringstream input;
std::stringstream output;
std::stringstream errors;
anthem::output::Logger logger(output, errors);
anthem::Context context = {logger, {}};
context.simplify = true;
context.complete = false;
SECTION("example 1")
{
input << ":- in(I, S), in(J, S), in(I + J, S).";
anthem::translate("input", input, context);
REQUIRE(output.str() == "((in(I, S) and in(J, S) and exists X5 (X5 in (I + J) and in(X5, S))) -> #false)\n");
}
SECTION("example 2")
{
input << "covered(I) :- in(I, S).";
anthem::translate("input", input, context);
REQUIRE(output.str() == "((V1 = I and in(I, S)) -> covered(V1))\n");
}
SECTION("example 3")
{
input << ":- not covered(I), I = 1..n.";
anthem::translate("input", input, context);
REQUIRE(output.str() == "((not covered(I) and I in 1..n) -> #false)\n");
}
SECTION("comparisons")
{
input << ":- M > N.";
anthem::translate("input", input, context);
REQUIRE(output.str() == "(M > N -> #false)\n");
}
}