54 lines
1.3 KiB
C++
54 lines
1.3 KiB
C++
#include <catch.hpp>
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#include <sstream>
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#include <anthem/AST.h>
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#include <anthem/Context.h>
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#include <anthem/Translation.h>
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////////////////////////////////////////////////////////////////////////////////////////////////////
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TEST_CASE("[simplification] Rules are simplified correctly", "[simplification]")
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{
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std::stringstream input;
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std::stringstream output;
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std::stringstream errors;
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anthem::output::Logger logger(output, errors);
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anthem::Context context(std::move(logger));
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context.simplify = true;
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context.complete = false;
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SECTION("example 1")
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{
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input << ":- in(I, S), in(J, S), in(I + J, S).";
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anthem::translate("input", input, context);
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CHECK(output.str() == "((in(U1, U2) and in(U3, U2) and exists X1 (X1 in (U1 + U3) and in(X1, U2))) -> #false)\n");
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}
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SECTION("example 2")
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{
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input << "covered(I) :- in(I, S).";
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anthem::translate("input", input, context);
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CHECK(output.str() == "((V1 = U1 and in(U1, U2)) -> covered(V1))\n");
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}
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SECTION("example 3")
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{
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input << ":- not covered(I), I = 1..n.";
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anthem::translate("input", input, context);
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CHECK(output.str() == "((not covered(U1) and U1 in 1..n) -> #false)\n");
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}
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SECTION("comparisons")
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{
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input << ":- M > N.";
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anthem::translate("input", input, context);
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CHECK(output.str() == "(U1 > U2 -> #false)\n");
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}
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}
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