Main.java

public class Main {
    public void constantCompareToPass() {
        String s1 = "ab";
        String s2 = "abc";
        assert s1.compareTo(s2) == -1;
        assert s2.compareTo(s1) == 1;
        s1 = "abc";
        s2 = "abc";
        assert s1.compareTo(s2) == 0;
        s1 = "abyz";
        s2 = "adyz";
        assert s1.compareTo(s2) == -2;
    }

    public void constantCompareToFail1() {
        String s1 = "ab";
        String s2 = "abc";
        assert s1.compareTo(s2) != -1;
    }

    public void constantCompareToFail2() {
        String s1 = "ab";
        String s2 = "abc";
        assert s2.compareTo(s1) != 1;
    }

    public void constantCompareToFail3() {
        String s1 = "abc";
        String s2 = "abc";
        assert s1.compareTo(s2) != 0;
    }

    public void constantCompareToFail4() {
        String s1 = "abyz";
        String s2 = "adyz";
        assert s1.compareTo(s2) != -2;
    }
    
}