86 lines
1.9 KiB
C++
86 lines
1.9 KiB
C++
#include <catch.hpp>
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#include <sstream>
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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("[completion] Rules are completed", "[completion]")
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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 = {logger, {}};
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context.simplify = true;
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context.complete = true;
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SECTION("predicte in single rule head")
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{
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input << "p :- q.";
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REQUIRE_NOTHROW(anthem::translate("input", input, context));
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CHECK(output.str() == "(p <-> q)\n");
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}
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SECTION("predicate in multiple rule heads")
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{
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input << "p :- q.\n"
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"p :- r.\n"
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"p :- s.";
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REQUIRE_NOTHROW(anthem::translate("input", input, context));
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CHECK(output.str() == "(p <-> (q or r or s))\n");
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}
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SECTION("multiple predicates are correctly separated")
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{
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input << "p :- s.\n"
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"q :- t.\n"
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"p :- q.\n"
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"r :- t.\n"
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"q :- r.";
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REQUIRE_NOTHROW(anthem::translate("input", input, context));
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CHECK(output.str() == "(p <-> (s or q))\n(q <-> (t or r))\n(r <-> t)\n");
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}
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SECTION("integrity constraints")
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{
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input << ":- q.\n"
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":- s(5).\n"
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"#false :- t.\n"
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"#false :- v(5).";
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REQUIRE_NOTHROW(anthem::translate("input", input, context));
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CHECK(output.str() == "not q\nnot s(5)\nnot t\nnot v(5)\n");
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}
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SECTION("facts")
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{
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input << "q.\n"
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"r.\n"
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"t :- #true.\n"
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"s :- #true.";
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REQUIRE_NOTHROW(anthem::translate("input", input, context));
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CHECK(output.str() == "q\nr\nt\ns\n");
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}
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SECTION("useless implications")
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{
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input << "#true :- p, q(N), t(1, 2).\n"
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"#true.\n"
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"h :- #false.";
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REQUIRE_NOTHROW(anthem::translate("input", input, context));
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// TODO: implement completion for unused predicates
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CHECK(output.str() == "not h\n");
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}
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// TODO: test collecting free variables
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}
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