158 lines
4.7 KiB
C++
158 lines
4.7 KiB
C++
#include <gtest/gtest.h>
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#include <plasp/pddl/expressions/And.h>
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#include <plasp/pddl/expressions/Dummy.h>
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#include <plasp/pddl/expressions/Imply.h>
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#include <plasp/pddl/expressions/Not.h>
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#include <plasp/pddl/expressions/Or.h>
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using namespace plasp::pddl;
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////////////////////////////////////////////////////////////////////////////////////////////////////
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TEST(PDDLNormalizationTests, Reduce)
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{
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auto n1 = expressions::NotPointer(new expressions::Not);
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auto n2 = expressions::NotPointer(new expressions::Not);
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auto a = expressions::AndPointer(new expressions::And);
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auto o = expressions::OrPointer(new expressions::Or);
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auto i = expressions::ImplyPointer(new expressions::Imply);
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i->setArgument(0, new expressions::Dummy("a"));
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i->setArgument(1, new expressions::Dummy("b"));
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o->addArgument(i);
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o->addArgument(new expressions::Dummy("c"));
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a->addArgument(o);
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a->addArgument(new expressions::Dummy("d"));
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n2->setArgument(a);
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n1->setArgument(n2);
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std::stringstream output;
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n1->reduced()->print(output);
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ASSERT_EQ(output.str(), "(not (not (and (or (or (not (a)) (b)) (c)) (d))))");
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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TEST(PDDLNormalizationTests, Simplify)
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{
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auto a1 = expressions::AndPointer(new expressions::And);
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auto a2 = expressions::AndPointer(new expressions::And);
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auto o1 = expressions::OrPointer(new expressions::Or);
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auto o2 = expressions::OrPointer(new expressions::Or);
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a1->addArgument(new expressions::Dummy("a"));
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a1->addArgument(new expressions::Dummy("b"));
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a1->addArgument(a2);
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a2->addArgument(new expressions::Dummy("c"));
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a2->addArgument(new expressions::Dummy("d"));
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a2->addArgument(o1);
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o1->addArgument(new expressions::Dummy("e"));
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o1->addArgument(new expressions::Dummy("f"));
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o1->addArgument(o2);
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o2->addArgument(new expressions::Dummy("g"));
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o2->addArgument(new expressions::Dummy("h"));
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std::stringstream output;
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a1->simplified()->print(output);
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ASSERT_EQ(output.str(), "(and (a) (b) (c) (d) (or (e) (f) (g) (h)))");
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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TEST(PDDLNormalizationTests, Implication)
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{
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auto i = expressions::ImplyPointer(new expressions::Imply);
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i->setArgument(0, new expressions::Dummy("a"));
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i->setArgument(1, new expressions::Dummy("b"));
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std::stringstream output;
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i->normalized()->print(output);
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ASSERT_EQ(output.str(), "(or (not (a)) (b))");
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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TEST(PDDLNormalizationTests, DoubleNegation)
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{
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auto n1 = expressions::NotPointer(new expressions::Not);
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auto n2 = expressions::NotPointer(new expressions::Not);
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n2->setArgument(new expressions::Dummy("a"));
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n1->setArgument(n2);
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std::stringstream output;
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n1->normalized()->print(output);
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ASSERT_EQ(output.str(), "(a)");
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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TEST(PDDLNormalizationTests, DeMorganNegativeConjunction)
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{
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auto a = expressions::AndPointer(new expressions::And);
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a->addArgument(new expressions::Dummy("a"));
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a->addArgument(new expressions::Dummy("b"));
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a->addArgument(new expressions::Dummy("c"));
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auto n = expressions::NotPointer(new expressions::Not);
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n->setArgument(a);
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std::stringstream output;
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n->normalized()->print(output);
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ASSERT_EQ(output.str(), "(or (not (a)) (not (b)) (not (c)))");
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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TEST(PDDLNormalizationTests, DeMorganNegativeDisjunction)
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{
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auto a = expressions::OrPointer(new expressions::Or);
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a->addArgument(new expressions::Dummy("a"));
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a->addArgument(new expressions::Dummy("b"));
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a->addArgument(new expressions::Dummy("c"));
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auto n = expressions::NotPointer(new expressions::Not);
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n->setArgument(a);
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std::stringstream output;
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n->normalized()->print(output);
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ASSERT_EQ(output.str(), "(and (not (a)) (not (b)) (not (c)))");
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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TEST(PDDLNormalizationTests, DoubleNegationInner)
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{
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auto n1 = expressions::NotPointer(new expressions::Not);
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auto n2 = expressions::NotPointer(new expressions::Not);
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auto n3 = expressions::NotPointer(new expressions::Not);
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auto a = expressions::AndPointer(new expressions::And);
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a->addArgument(new expressions::Dummy("a"));
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a->addArgument(new expressions::Dummy("b"));
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a->addArgument(new expressions::Dummy("c"));
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n3->setArgument(a);
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n2->setArgument(n3);
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n1->setArgument(n2);
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std::stringstream output;
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n1->normalized()->print(output);
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ASSERT_EQ(output.str(), "(or (not (a)) (not (b)) (not (c)))");
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}
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