Examples with BooleanExpr org.batfish.z3.expr.BooleanExpr used on opensource projects

Example 21 with BooleanExpr

use of org.batfish.z3.expr.BooleanExpr in project batfish by batfish.

the class Simplifier method visitNotExpr.

@Override
public BooleanExpr visitNotExpr(NotExpr notExpr) {
    BooleanExpr oldArg = notExpr.getArg();
    BooleanExpr newArg = simplifyBooleanExpr(oldArg);
    if (newArg == FalseExpr.INSTANCE) {
        return TrueExpr.INSTANCE;
    } else if (newArg == TrueExpr.INSTANCE) {
        return FalseExpr.INSTANCE;
    } else if (newArg instanceof NotExpr) {
        return ((NotExpr) newArg).getArg();
    } else if (newArg != oldArg) {
        return new NotExpr(newArg);
    } else {
        return notExpr;
    }
}

Example 22 with BooleanExpr

use of org.batfish.z3.expr.BooleanExpr in project batfish by batfish.

the class BoolExprTransformerTest method testVisitIfExpr.

@Test
public void testVisitIfExpr() {
    BooleanExpr p1Batfish = newBooleanAtom();
    BooleanExpr p2Batfish = newBooleanAtom();
    BoolExpr p1Z3 = toBoolExpr(p1Batfish, _input, _nodContext);
    BoolExpr p2Z3 = toBoolExpr(p2Batfish, _input, _nodContext);
    assertThat(toBoolExpr(new IfExpr(p1Batfish, p2Batfish), _input, _nodContext), equalTo(_ctx.mkImplies(p1Z3, p2Z3)));
}

Example 23 with BooleanExpr

use of org.batfish.z3.expr.BooleanExpr in project batfish by batfish.

the class BoolExprTransformerTest method testVisitNotExpr.

@Test
public void testVisitNotExpr() {
    BooleanExpr p1Batfish = newBooleanAtom();
    BoolExpr p1Z3 = toBoolExpr(p1Batfish, _input, _nodContext);
    assertThat(toBoolExpr(new NotExpr(p1Batfish), _input, _nodContext), equalTo(_ctx.mkNot(p1Z3)));
}

Example 24 with BooleanExpr

use of org.batfish.z3.expr.BooleanExpr in project batfish by batfish.

the class BoolExprTransformerTest method testVisitRangeMatchExpr.

@Test
public void testVisitRangeMatchExpr() {
    BooleanExpr expr = RangeMatchExpr.fromSubRanges(BasicHeaderField.DSCP, BasicHeaderField.DSCP.getSize(), ImmutableSet.of(new SubRange(1, 3), new SubRange(5, 7)));
    assertThat(toBoolExpr(expr, _input, _nodContext), instanceOf(BoolExpr.class));
}

Example 25 with BooleanExpr

use of org.batfish.z3.expr.BooleanExpr in project batfish by batfish.

the class IpSpaceBooleanExprTransformerTest method testVisitIp.

@Test
public void testVisitIp() {
    Ip ip = new Ip("1.2.3.4");
    BooleanExpr matchSrcExpr = ip.accept(SRC_IP_SPACE_BOOLEAN_EXPR_TRANSFORMER);
    assertThat(matchSrcExpr, equalTo(HeaderSpaceMatchExpr.matchSrcIp(ImmutableSet.of(new IpWildcard(ip)))));
    BooleanExpr matchDstExpr = ip.accept(DST_IP_SPACE_BOOLEAN_EXPR_TRANSFORMER);
    assertThat(matchDstExpr, equalTo(HeaderSpaceMatchExpr.matchDstIp(ImmutableSet.of(new IpWildcard(ip)))));
    BooleanExpr matchSrcOrDstExpr = ip.accept(SRC_OR_DST_IP_SPACE_BOOLEAN_EXPR_TRANSFORMER);
    assertThat(matchSrcOrDstExpr, equalTo(HeaderSpaceMatchExpr.matchSrcOrDstIp(ImmutableSet.of(new IpWildcard(ip)))));
}