Examples with Constraint org.evosuite.symbolic.expr.Constraint used on opensource projects

Example 26 with Constraint

use of org.evosuite.symbolic.expr.Constraint in project evosuite by EvoSuite.

the class TestConstraintSolver2 method test.

@Test
public void test() throws SolverEmptyQueryException {
    // 5000000000000L; TODO - ??
    Properties.LOCAL_SEARCH_BUDGET = 100;
    Properties.LOCAL_SEARCH_BUDGET_TYPE = LocalSearchBudgetType.FITNESS_EVALUATIONS;
    Collection<Constraint<?>> constraints = buildConstraintSystem();
    System.out.println("Constraints:");
    for (Constraint<?> c : constraints) {
        System.out.println(c.toString());
    }
    System.out.println("");
    System.out.println("Initial: " + INIT_STRING);
    EvoSuiteSolver solver = new EvoSuiteSolver();
    try {
        SolverResult solverResult = solver.solve(constraints);
        assertTrue(solverResult.isSAT());
        Map<String, Object> model = solverResult.getModel();
        assertNotNull(model);
        Object var0 = model.get("var0");
        System.out.println("Expected: " + EXPECTED_STRING);
        System.out.println("Found: " + var0);
        assertEquals(EXPECTED_STRING, var0);
    } catch (SolverTimeoutException e) {
        fail();
    }
}

Example 27 with Constraint

use of org.evosuite.symbolic.expr.Constraint in project evosuite by EvoSuite.

the class TestIntegerSearch method testEQVariable.

@Test
public void testEQVariable() throws SolverEmptyQueryException {
    int var1 = 0;
    int var2 = 1;
    List<Constraint<?>> constraints = new ArrayList<Constraint<?>>();
    constraints.add(new IntegerConstraint(new IntegerVariable("test1", var1, -1000000, 1000000), Comparator.EQ, new IntegerVariable("test2", var2, -1000000, 1000000)));
    try {
        EvoSuiteSolver solver = new EvoSuiteSolver();
        SolverResult solverResult = solver.solve(constraints);
        assertTrue(solverResult.isSAT());
        Map<String, Object> model = solverResult.getModel();
        if (model.containsKey("test1"))
            var1 = ((Number) model.get("test1")).intValue();
        if (model.containsKey("test2"))
            var2 = ((Number) model.get("test2")).intValue();
        assertEquals(var1, var2);
    } catch (SolverTimeoutException e) {
        fail();
    }
}

Example 28 with Constraint

use of org.evosuite.symbolic.expr.Constraint in project evosuite by EvoSuite.

the class TestIntegerSearch method testGTVariable.

@Test
public void testGTVariable() throws SolverEmptyQueryException {
    int var1 = 0;
    int var2 = 1;
    List<Constraint<?>> constraints = new ArrayList<Constraint<?>>();
    constraints.add(new IntegerConstraint(new IntegerVariable("test1", var1, -1000000, 1000000), Comparator.GT, new IntegerVariable("test2", var2, -1000000, 1000000)));
    try {
        EvoSuiteSolver solver = new EvoSuiteSolver();
        SolverResult solverResult = solver.solve(constraints);
        assertTrue(solverResult.isSAT());
        Map<String, Object> model = solverResult.getModel();
        if (model.containsKey("test1"))
            var1 = ((Number) model.get("test1")).intValue();
        if (model.containsKey("test2"))
            var2 = ((Number) model.get("test2")).intValue();
        assertTrue(var1 > var2);
    } catch (SolverTimeoutException e) {
        fail();
    }
}

Example 29 with Constraint

use of org.evosuite.symbolic.expr.Constraint in project evosuite by EvoSuite.

the class TestIntegerSearch method testLTArithmetic.

@Test
public void testLTArithmetic() throws SolverEmptyQueryException {
    int var1 = 2;
    int var2 = 1;
    int var3 = 1;
    assertTrue(var1 >= var2 + var3);
    List<Constraint<?>> constraints = new ArrayList<Constraint<?>>();
    constraints.add(new IntegerConstraint(new IntegerVariable("test1", var1, -1000000, 1000000), Comparator.LT, new IntegerBinaryExpression(new IntegerVariable("test2", var2, -1000000, 1000000), Operator.PLUS, new IntegerVariable("test3", var3, -1000000, 1000000), 0L)));
    try {
        EvoSuiteSolver solver = new EvoSuiteSolver();
        SolverResult solverResult = solver.solve(constraints);
        assertTrue(solverResult.isSAT());
        Map<String, Object> model = solverResult.getModel();
        if (model.containsKey("test1"))
            var1 = ((Number) model.get("test1")).intValue();
        if (model.containsKey("test2"))
            var2 = ((Number) model.get("test2")).intValue();
        if (model.containsKey("test3"))
            var3 = ((Number) model.get("test3")).intValue();
        assertTrue(var1 < var2 + var3);
    } catch (SolverTimeoutException e) {
        fail();
    }
}

Example 30 with Constraint

use of org.evosuite.symbolic.expr.Constraint in project evosuite by EvoSuite.

the class TestIntegerSearch method testEvosuiteExample5.

@Test
public void testEvosuiteExample5() throws SolverEmptyQueryException {
    // TestSuiteDSE.setStart();
    // Cnstr 0 : var6__SYM(84) != (y charAt 0) dist: 8.0
    // Cnstr 1 : var6__SYM(84) != 115 dist: 8.0
    // Cnstr 2 : var6__SYM(84) == 108 dist: 8.0
    int var1 = 84;
    int const1 = 115;
    int const2 = 108;
    String const3 = "y";
    IntegerConstant iconst1 = new IntegerConstant(const1);
    IntegerConstant iconst2 = new IntegerConstant(const2);
    StringConstant strConst = new StringConstant(const3);
    IntegerVariable ivar1 = new IntegerVariable("test1", var1, Integer.MIN_VALUE, Integer.MAX_VALUE);
    StringBinaryToIntegerExpression sBExpr = new StringBinaryToIntegerExpression(strConst, Operator.CHARAT, new IntegerConstant(0), (long) "y".charAt(0));
    List<Constraint<?>> constraints = new ArrayList<Constraint<?>>();
    constraints.add(new IntegerConstraint(ivar1, Comparator.NE, sBExpr));
    constraints.add(new IntegerConstraint(ivar1, Comparator.NE, iconst1));
    constraints.add(new IntegerConstraint(ivar1, Comparator.EQ, iconst2));
    try {
        EvoSuiteSolver solver = new EvoSuiteSolver();
        SolverResult solverResult = solver.solve(constraints);
        assertTrue(solverResult.isSAT());
        Map<String, Object> model = solverResult.getModel();
        var1 = ((Number) model.get("test1")).intValue();
        assertTrue(var1 == 108);
    } catch (SolverTimeoutException e) {
        fail();
    }
}