and: {
    options = {
        evaluate: true
    }
    input: {
        var a;
        // compress these

        a = true     && condition;
        a = 1        && console.log("a");
        a = 2 * 3    && 2 * condition;
        a = 5 == 5   && condition + 3;
        a = "string" && 4 - condition;
        a = 5 + ""   && condition / 5;
        a = -4.5     && 6 << condition;
        a = 6        && 7;

        a = false     && condition;
        a = NaN       && console.log("b");
        a = 0         && console.log("c");
        a = undefined && 2 * condition;
        a = null      && condition + 3;
        a = 2 * 3 - 6 && 4 - condition;
        a = 10 == 7   && condition / 5;
        a = !"string" && 6 % condition;
        a = 0         && 7;

        // don't compress these

        a = condition        && true;
        a = console.log("a") && 2;
        a = 4 - condition    && "string";
        a = 6 << condition   && -4.5;

        a = condition        && false;
        a = console.log("b") && NaN;
        a = console.log("c") && 0;
        a = 2 * condition    && undefined;
        a = condition + 3    && null;

    }
    expect: {
        var a;

        a = condition;
        a = console.log("a");
        a = 2 * condition;
        a = condition + 3;
        a = 4 - condition;
        a = condition / 5;
        a = 6 << condition;
        a = 7;

        a = false;
        a = NaN;
        a = 0;
        a = void 0;
        a = null;
        a = 0;
        a = false;
        a = false;
        a = 0;

        a = condition        && true;
        a = console.log("a") && 2;
        a = 4 - condition    && "string";
        a = 6 << condition   && -4.5;

        a = condition        && false;
        a = console.log("b") && NaN;
        a = console.log("c") && 0;
        a = 2 * condition    && void 0;
        a = condition + 3    && null;
    }
}

or: {
    options = {
        evaluate: true
    }
    input: {
        var a;
        // compress these

        a = true     || condition;
        a = 1        || console.log("a");
        a = 2 * 3    || 2 * condition;
        a = 5 == 5   || condition + 3;
        a = "string" || 4 - condition;
        a = 5 + ""   || condition / 5;
        a = -4.5     || 6 << condition;
        a = 6        || 7;

        a = false     || condition;
        a = 0         || console.log("b");
        a = NaN       || console.log("c");
        a = undefined || 2 * condition;
        a = null      || condition + 3;
        a = 2 * 3 - 6 || 4 - condition;
        a = 10 == 7   || condition / 5;
        a = !"string" || 6 % condition;
        a = null      || 7;

        a = console.log(undefined && condition || null);
        a = console.log(undefined || condition && null);

        // don't compress these

        a = condition        || true;
        a = console.log("a") || 2;
        a = 4 - condition    || "string";
        a = 6 << condition   || -4.5;

        a = condition        || false;
        a = console.log("b") || NaN;
        a = console.log("c") || 0;
        a = 2 * condition    || undefined;
        a = condition + 3    || null;

    }
    expect: {
        var a;

        a = true;
        a = 1;
        a = 6;
        a = true;
        a = "string";
        a = "5";
        a = -4.5;
        a = 6;

        a = condition;
        a = console.log("b");
        a = console.log("c");
        a = 2 * condition;
        a = condition + 3;
        a = 4 - condition;
        a = condition / 5;
        a = 6 % condition;
        a = 7;

        a = console.log(null);
        a = console.log(condition && null);

        a = condition        || true;
        a = console.log("a") || 2;
        a = 4 - condition    || "string";
        a = 6 << condition   || -4.5;

        a = condition        || false;
        a = console.log("b") || NaN;
        a = console.log("c") || 0;
        a = 2 * condition    || void 0;
        a = condition + 3    || null;
    }
}

unary_prefix: {
    options = {
        evaluate: true
    }
    input: {
        a = !0 && b;
        a = !0 || b;
        a = ~1 && b;
        a = ~1 || b;
        a = -2 && b;
        a = -2 || b;
        a = +3 && b;
        a = +3 || b;
    }
    expect: {
        a = b;
        a = !0;
        a = b;
        a = -2;
        a = b;
        a = -2;
        a = b;
        a = 3;
    }
}

negative_zero: {
    options = { evaluate: true }
    input: {
        console.log(
            -"",
            - -"",
            1 / (-0),
            1 / (-"")
        );
    }
    expect: {
        console.log(
            -0,
            0,
            1 / (-0),
            1 / (-0)
        );
    }
}

positive_zero: {
    options = { evaluate: true }
    input: {
        console.log(
            +"",
            + -"",
            1 / (+0),
            1 / (+"")
        );
    }
    expect: {
        console.log(
            0,
            -0,
            1 / (0),
            1 / (0)
        );
    }
}