SimplePrims.java

import org.checkerframework.checker.tainting.qual.Untainted;

class SimplePrims {

    void execute(@Untainted int s) {}

    void tainted(int s) {}

    void intLiteral() {
        //:: error: (argument.type.incompatible)
        execute(5);
        tainted(6);
    }

    void intRef(int ref) {
        //:: error: (argument.type.incompatible)
        execute(ref);
        tainted(ref);
    }

    void untaintedRef(@Untainted int ref) {
        execute(ref);
        tainted(ref);
    }

    void concatenation(@Untainted int s1, int s2) {
        execute(s1 + s1);
        execute(s1 += s1);
        //:: error: (argument.type.incompatible)
        execute(s1 + 3);

        //:: error: (argument.type.incompatible)
        execute(s1 + s2);

        //:: error: (argument.type.incompatible)
        execute(s2 + s1);
        //:: error: (argument.type.incompatible)
        execute(s2 + 4);
        //:: error: (argument.type.incompatible)
        execute(s2 + s2);

        tainted(s1 + s1);
        tainted(s1 + 7);
        tainted(s1 + s2);

        tainted(s2 + s1);
        tainted(s2 + 8);
        tainted(s2 + s2);
    }
}