public void BVSGE()
{
var cfb = GetConstantFoldingBuilder();
var x = GetVarAndIdExpr("x", Microsoft.Boogie.Type.GetBvType(4)).Item2;
var y = GetVarAndIdExpr("y", Microsoft.Boogie.Type.GetBvType(4)).Item2;
var e = cfb.Not(cfb.BVSGE(x, y));
var asBVSLT = ExprUtil.AsBVSLT(e);
Assert.IsNotNull(asBVSLT);
Assert.AreSame(x, asBVSLT.Args[0]);
Assert.AreSame(y, asBVSLT.Args[1]);
}
public void NoFold()
{
var builders = GetSimpleAndConstantFoldingBuilder();
SimpleExprBuilder sfb = builders.Item1;
ConstantFoldingExprBuilder cfb = builders.Item2;
var arg0 = GetVarAndIdExpr("x", BasicType.GetBvType(8)).Item2;
var arg1 = GetVarAndIdExpr("y", BasicType.GetBvType(8)).Item2;
var simpleResult = sfb.BVSLT(arg0, arg1);
var result = cfb.BVSLT(arg0, arg1);
CheckIsBoolType(result);
CheckIsBoolType(simpleResult);
Assert.IsNull(ExprUtil.AsLiteral(result));
Assert.IsNotNull(ExprUtil.AsBVSLT(result));
Assert.IsTrue(ExprUtil.StructurallyEqual(result, simpleResult));
}