Examples with TheoryTestingSupport com.sri.ai.grinder.sgdpllt.tester.TheoryTestingSupport used on opensource projects

Example 41 with TheoryTestingSupport

use of com.sri.ai.grinder.sgdpllt.tester.TheoryTestingSupport in project aic-expresso by aic-sri-international.

the class NumberOfDistinctExpressionsStepSolverTest method test.

@Test
public void test() {
    TheoryTestingSupport theoryTestingSupport = TheoryTestingSupport.make(makeRandom(), new EqualityTheory(true, true));
    Context context = theoryTestingSupport.makeContextWithTestingInformation();
    String contextString = "X != Y and X != a and X != b and Y != b";
    List<String> elementsStrings = list("X", "Y", "a", "b", "c");
    context = context.conjoin(parse(contextString), context);
    ArrayList<Expression> list = mapIntoArrayList(elementsStrings, Expressions::parse);
    NumberOfDistinctExpressionsStepSolver stepSolver = new NumberOfDistinctExpressionsStepSolver(list);
    Step step = stepSolver.step(context);
    assertEquals(true, step.itDepends());
    assertEquals(parse("X = c"), step.getSplitter());
    ExpressionLiteralSplitterStepSolver stepSolverIfXEqualsC = step.getStepSolverForWhenSplitterIsTrue();
    ExpressionLiteralSplitterStepSolver stepSolverIfXIsDifferentFromC = step.getStepSolverForWhenSplitterIsFalse();
    // if X = c, the number of distinct values can be 3 or 4, depending on whether Y = a, or Y = b
    step = stepSolverIfXEqualsC.step(context);
    assertEquals(true, step.itDepends());
    assertEquals(parse("Y = a"), step.getSplitter());
    ExpressionLiteralSplitterStepSolver stepSolverIfXEqualsCAndYEqualsA = step.getStepSolverForWhenSplitterIsTrue();
    ExpressionLiteralSplitterStepSolver stepSolverIfXEqualsCAndYIsDifferentFromA = step.getStepSolverForWhenSplitterIsFalse();
    // if X = c and Y = a, the number of distinct values is 3 (a, b, c)
    step = stepSolverIfXEqualsCAndYEqualsA.step(context);
    assertEquals(false, step.itDepends());
    assertEquals(parse("3"), step.getValue());
    // if X = c and Y != a, the number of distinct values is 3 or 4, depending on Y = c
    step = stepSolverIfXEqualsCAndYIsDifferentFromA.step(context);
    assertEquals(true, step.itDepends());
    assertEquals(parse("Y = c"), step.getSplitter());
    ExpressionLiteralSplitterStepSolver stepSolverIfXEqualsCAndYIsDifferentFromAAndYEqualsC = step.getStepSolverForWhenSplitterIsTrue();
    ExpressionLiteralSplitterStepSolver stepSolverIfXEqualsCAndYIsDifferentFromAAndYIsDifferentFromC = step.getStepSolverForWhenSplitterIsFalse();
    // if X = c and Y != a and Y = c, the number of distinct values is 3
    step = stepSolverIfXEqualsCAndYIsDifferentFromAAndYEqualsC.step(context);
    assertEquals(false, step.itDepends());
    assertEquals(parse("3"), step.getValue());
    // if X = c and Y != a and Y != c, the number of distinct values is 4
    step = stepSolverIfXEqualsCAndYIsDifferentFromAAndYIsDifferentFromC.step(context);
    assertEquals(false, step.itDepends());
    assertEquals(parse("4"), step.getValue());
    // if X = c and Y = a, the number of distinct values is 3 (a, b, c)
    step = stepSolverIfXEqualsCAndYEqualsA.step(context);
    assertEquals(false, step.itDepends());
    assertEquals(parse("3"), step.getValue());
    // using again just to make sure it produces the same result
    step = stepSolverIfXEqualsCAndYEqualsA.step(context);
    assertEquals(false, step.itDepends());
    assertEquals(parse("3"), step.getValue());
    // if X != c, the number of distinct value will now depend on Y = a
    step = stepSolverIfXIsDifferentFromC.step(context);
    assertEquals(true, step.itDepends());
    assertEquals(parse("Y = a"), step.getSplitter());
    // using again just to make sure it produces the same result
    step = stepSolverIfXIsDifferentFromC.step(context);
    assertEquals(true, step.itDepends());
    assertEquals(parse("Y = a"), step.getSplitter());
    // if X != c, the number of distinct values can be 4 or 5, depending on whether Y = a, or Y = b
    step = stepSolverIfXIsDifferentFromC.step(context);
    assertEquals(true, step.itDepends());
    assertEquals(parse("Y = a"), step.getSplitter());
    ExpressionLiteralSplitterStepSolver stepSolverIfXIsDifferentFromCAndYEqualsA = step.getStepSolverForWhenSplitterIsTrue();
    ExpressionLiteralSplitterStepSolver stepSolverIfXIsDifferentFromCAndYIsDifferentFromA = step.getStepSolverForWhenSplitterIsFalse();
    step = stepSolverIfXIsDifferentFromCAndYEqualsA.step(context);
    assertEquals(false, step.itDepends());
    assertEquals(parse("4"), step.getValue());
    // if however Y != a, limit will depend on Y = c
    step = stepSolverIfXIsDifferentFromCAndYIsDifferentFromA.step(context);
    assertEquals(true, step.itDepends());
    assertEquals(parse("Y = c"), step.getSplitter());
    ExpressionLiteralSplitterStepSolver stepSolverIfXIsDifferentFromCAndYIsDifferentFromAAndYIsEqualToC = step.getStepSolverForWhenSplitterIsTrue();
    ExpressionLiteralSplitterStepSolver stepSolverIfXIsDifferentFromCAndYIsDifferentFromAAndYIsDifferentFromC = step.getStepSolverForWhenSplitterIsFalse();
    // if Y = c, then there are 4 distinct values
    step = stepSolverIfXIsDifferentFromCAndYIsDifferentFromAAndYIsEqualToC.step(context);
    assertEquals(false, step.itDepends());
    assertEquals(parse("4"), step.getValue());
    // if Y != c, then Y is also unique and the number of distinct values is 5
    step = stepSolverIfXIsDifferentFromCAndYIsDifferentFromAAndYIsDifferentFromC.step(context);
    assertEquals(false, step.itDepends());
    assertEquals(parse("5"), step.getValue());
}

Example 42 with TheoryTestingSupport

use of com.sri.ai.grinder.sgdpllt.tester.TheoryTestingSupport in project aic-expresso by aic-sri-international.

the class UnificationStepSolverTest method differenceArithmeticTest.

@Test
public void differenceArithmeticTest() {
    TheoryTestingSupport theoryTestingSupport = TheoryTestingSupport.make(seededRandom, new DifferenceArithmeticTheory(true, true));
    // NOTE: passing explicit FunctionTypes will prevent the general variables' argument types being randomly changed.
    theoryTestingSupport.setVariableNamesAndTypesForTesting(map("I", TESTING_INTEGER_INTERVAL_TYPE, "J", TESTING_INTEGER_INTERVAL_TYPE, "K", TESTING_INTEGER_INTERVAL_TYPE, "unary_dar", new FunctionType(TESTING_INTEGER_INTERVAL_TYPE, TESTING_INTEGER_INTERVAL_TYPE), "binary_dar", new FunctionType(TESTING_INTEGER_INTERVAL_TYPE, TESTING_INTEGER_INTERVAL_TYPE, TESTING_INTEGER_INTERVAL_TYPE)));
    Context rootContext = theoryTestingSupport.makeContextWithTestingInformation();
    UnificationStepSolver unificationStepSolver = new UnificationStepSolver(parse("unary_dar(I)"), parse("unary_dar(I)"));
    StepSolver.Step<Boolean> step = unificationStepSolver.step(rootContext);
    Assert.assertEquals(false, step.itDepends());
    Assert.assertEquals(true, step.getValue());
    unificationStepSolver = new UnificationStepSolver(parse("unary_dar(I)"), parse("unary_dar(J)"));
    step = unificationStepSolver.step(rootContext);
    Assert.assertEquals(true, step.itDepends());
    Assert.assertEquals(Expressions.parse("I = J"), step.getSplitter());
    Assert.assertEquals(false, step.getStepSolverForWhenSplitterIsTrue().step(rootContext).itDepends());
    Assert.assertEquals(true, step.getStepSolverForWhenSplitterIsTrue().step(rootContext).getValue());
    Assert.assertEquals(false, step.getStepSolverForWhenSplitterIsFalse().step(rootContext).itDepends());
    Assert.assertEquals(false, step.getStepSolverForWhenSplitterIsFalse().step(rootContext).getValue());
    Context localTestContext = rootContext.conjoinWithConjunctiveClause(parse("I = 0 and J = 1"), rootContext);
    step = unificationStepSolver.step(localTestContext);
    Assert.assertEquals(false, step.itDepends());
    Assert.assertEquals(false, step.getValue());
    unificationStepSolver = new UnificationStepSolver(parse("unary_dar(I)"), parse("unary_dar(0)"));
    localTestContext = rootContext.conjoinWithConjunctiveClause(parse("I = 0"), rootContext);
    step = unificationStepSolver.step(localTestContext);
    Assert.assertEquals(false, step.itDepends());
    Assert.assertEquals(true, step.getValue());
    localTestContext = rootContext.conjoinWithConjunctiveClause(parse("I = 1"), rootContext);
    step = unificationStepSolver.step(localTestContext);
    Assert.assertEquals(false, step.itDepends());
    Assert.assertEquals(false, step.getValue());
    unificationStepSolver = new UnificationStepSolver(parse("binary_dar(I, unary_dar(I))"), parse("binary_dar(unary_dar(J), J)"));
    step = unificationStepSolver.step(rootContext);
    Assert.assertEquals(true, step.itDepends());
    Assert.assertEquals(Expressions.parse("I = unary_dar(J)"), step.getSplitter());
}

Example 43 with TheoryTestingSupport

use of com.sri.ai.grinder.sgdpllt.tester.TheoryTestingSupport in project aic-expresso by aic-sri-international.

the class UnificationStepSolverTest method advancedLinearRealArithmeticTest.

@Ignore("TODO - context implementation currently does not support these more advanced/indirect comparisons")
@Test
public void advancedLinearRealArithmeticTest() {
    TheoryTestingSupport theoryTestingSupport = TheoryTestingSupport.make(seededRandom, new LinearRealArithmeticTheory(true, true));
    // NOTE: passing explicit FunctionTypes will prevent the general variables' argument types being randomly changed.
    theoryTestingSupport.setVariableNamesAndTypesForTesting(map("X", TESTING_REAL_INTERVAL_TYPE, "Y", TESTING_REAL_INTERVAL_TYPE, "Z", TESTING_REAL_INTERVAL_TYPE, "unary_lra/1", new FunctionType(TESTING_REAL_INTERVAL_TYPE, TESTING_REAL_INTERVAL_TYPE), "binary_lra/2", new FunctionType(TESTING_REAL_INTERVAL_TYPE, TESTING_REAL_INTERVAL_TYPE, TESTING_REAL_INTERVAL_TYPE)));
    Context rootContext = theoryTestingSupport.makeContextWithTestingInformation();
    UnificationStepSolver unificationStepSolver = new UnificationStepSolver(parse("binary_lra(X, unary_lra(X))"), parse("binary_lra(unary_lra(Y), Y)"));
    Context localTestContext = rootContext.conjoinWithConjunctiveClause(parse("X = 0 and Y = 1 and unary_lra(Y) = 0 and unary_lra(X) = 1"), rootContext);
    StepSolver.Step<Boolean> step = unificationStepSolver.step(localTestContext);
    Assert.assertEquals(false, step.itDepends());
    Assert.assertEquals(true, step.getValue());
    localTestContext = rootContext.conjoinWithConjunctiveClause(parse("X = 1 and Y = 1 and unary_lra(Y) = 0 and unary_lra(X) = 1"), rootContext);
    step = unificationStepSolver.step(localTestContext);
    Assert.assertEquals(false, step.itDepends());
    Assert.assertEquals(false, step.getValue());
    localTestContext = rootContext.conjoinWithConjunctiveClause(parse("X = 0 and Y = 1 and unary_lra(1) = 0 and unary_lra(0) = 1"), rootContext);
    step = unificationStepSolver.step(localTestContext);
    Assert.assertEquals(false, step.itDepends());
    Assert.assertEquals(true, step.getValue());
}

Example 44 with TheoryTestingSupport

use of com.sri.ai.grinder.sgdpllt.tester.TheoryTestingSupport in project aic-expresso by aic-sri-international.

the class UnificationStepSolverTest method advancedPropositionalTest.

@Ignore("TODO - context implementation currently does not support these more advanced/indirect comparisons")
@Test
public void advancedPropositionalTest() {
    TheoryTestingSupport theoryTestingSupport = TheoryTestingSupport.make(seededRandom, new PropositionalTheory());
    // NOTE: passing explicit FunctionTypes will prevent the general variables' argument types being randomly changed.
    theoryTestingSupport.setVariableNamesAndTypesForTesting(map("P", BOOLEAN_TYPE, "Q", BOOLEAN_TYPE, "R", BOOLEAN_TYPE, "unary_prop/1", new FunctionType(BOOLEAN_TYPE, BOOLEAN_TYPE), "binary_prop/2", new FunctionType(BOOLEAN_TYPE, BOOLEAN_TYPE, BOOLEAN_TYPE)));
    Context rootContext = theoryTestingSupport.makeContextWithTestingInformation();
    UnificationStepSolver unificationStepSolver = new UnificationStepSolver(parse("binary_prop(P, unary_prop(P))"), parse("binary_prop(unary_prop(Q), Q)"));
    Context localTestContext = rootContext.conjoinWithConjunctiveClause(parse("not P and Q and not unary_prop(true) and unary_prop(false)"), rootContext);
    StepSolver.Step<Boolean> step = unificationStepSolver.step(localTestContext);
    Assert.assertEquals(false, step.itDepends());
    Assert.assertEquals(true, step.getValue());
}

Example 45 with TheoryTestingSupport

use of com.sri.ai.grinder.sgdpllt.tester.TheoryTestingSupport in project aic-expresso by aic-sri-international.

the class UnificationStepSolverTest method advancedDifferenceArithmeticTest.

@Ignore("TODO - context implementation currently does not support these more advanced/indirect comparisons")
@Test
public void advancedDifferenceArithmeticTest() {
    TheoryTestingSupport theoryTestingSupport = TheoryTestingSupport.make(seededRandom, new DifferenceArithmeticTheory(true, true));
    // NOTE: passing explicit FunctionTypes will prevent the general variables' argument types being randomly changed.
    theoryTestingSupport.setVariableNamesAndTypesForTesting(map("I", TESTING_INTEGER_INTERVAL_TYPE, "J", TESTING_INTEGER_INTERVAL_TYPE, "K", TESTING_INTEGER_INTERVAL_TYPE, "unary_dar/1", new FunctionType(TESTING_INTEGER_INTERVAL_TYPE, TESTING_INTEGER_INTERVAL_TYPE), "binary_dar/2", new FunctionType(TESTING_INTEGER_INTERVAL_TYPE, TESTING_INTEGER_INTERVAL_TYPE, TESTING_INTEGER_INTERVAL_TYPE)));
    Context rootContext = theoryTestingSupport.makeContextWithTestingInformation();
    UnificationStepSolver unificationStepSolver = new UnificationStepSolver(parse("binary_dar(I, unary_dar(I))"), parse("binary_dar(unary_dar(J), J)"));
    Context localTestContext = rootContext.conjoinWithConjunctiveClause(parse("I = 0 and J = 1 and unary_dar(J) = 0 and unary_dar(I) = 1"), rootContext);
    StepSolver.Step<Boolean> step = unificationStepSolver.step(localTestContext);
    Assert.assertEquals(false, step.itDepends());
    Assert.assertEquals(true, step.getValue());
    localTestContext = rootContext.conjoinWithConjunctiveClause(parse("I = 1 and J = 1 and unary_dar(J) = 0 and unary_dar(I) = 1"), rootContext);
    step = unificationStepSolver.step(localTestContext);
    Assert.assertEquals(false, step.itDepends());
    Assert.assertEquals(false, step.getValue());
    localTestContext = rootContext.conjoinWithConjunctiveClause(parse("I = 0 and J = 1 and unary_dar(1) = 0 and unary_dar(0) = 1"), rootContext);
    step = unificationStepSolver.step(localTestContext);
    Assert.assertEquals(false, step.itDepends());
    Assert.assertEquals(true, step.getValue());
}