public void branchFeasibilityTrivialQueryExpr(bool trueBranch, Solver.Result expectedTrueBranch, Solver.Result expectedFalseBranch)
{
var builder = GetBuilder();
var solver = new Solver.SimpleSolver(GetSolverImpl());
var xVar = GetVar("x");
var constraint0Expr = builder.Lt(xVar.Expr, builder.ConstantInt(0));
var constraint0 = new Constraint(constraint0Expr);
var cm = GetConstraintManager();
cm.AddConstraint(constraint0);
var result = solver.CheckBranchSatisfiability(cm, new Constraint(builder.ConstantBool(trueBranch)), builder);
Assert.AreEqual(expectedTrueBranch, result.TrueBranch);
Assert.AreEqual(expectedFalseBranch, result.FalseBranch);
}
public void branchFeasibilityNonTrivialOnlyFalseBranch()
{
var builder = GetBuilder();
var solver = new Solver.SimpleSolver(GetSolverImpl());
var xVar = GetVar("x");
var constraint0Expr = builder.Lt(xVar.Expr, builder.ConstantInt(0));
var constraint0 = new Constraint(constraint0Expr);
var cm = GetConstraintManager();
cm.AddConstraint(constraint0);
var queryExpr = builder.Gt(xVar.Expr, builder.ConstantInt(1));
var result = solver.CheckBranchSatisfiability(cm, new Constraint(queryExpr), builder);
Assert.AreEqual(Solver.Result.UNSAT, result.TrueBranch);
Assert.AreEqual(Solver.Result.SAT, result.FalseBranch);
}