Two custom ArgumentMatcher used to match Lists that contain elements without equals(). They use Mockito's ReflectionEquals to check elements equality.

CustomMockitoArgumentMatcher.java

   /**
     * Custom matcher that checks if a list is equal to expected when elements don't have equals()
     * using {@link ReflectionEquals}.
     */
    public static ArgumentMatcher<List> equalsList(List expectedList) {
        return new ArgumentMatcher<List>() {
            @Override
            public boolean matches(Object argument) {
                List list = (List) argument;
                boolean assertion;
                // Check size
                return list.size() == expectedList.size() &&
                        containsAll(expectedList).matches(list) &&
                        containsAll(list).matches(expectedList);
            }
        };
    }

    /**
     * Custom matcher that checks if a list contains all the expected elements when they don't have
     * equals() using {@link ReflectionEquals}.
     */
    public static ArgumentMatcher<List> containsAll(List expected) {
        return new ArgumentMatcher<List>() {
            @Override
            public boolean matches(Object argument) {
                List list = (List) argument;
                boolean assertion;
                for (Object expectedObject : expected) {
                    ReflectionEquals reflectionEquals = new ReflectionEquals(expectedObject, null);
                    assertion = false;
                    for (Object object : list) {
                        if (reflectionEquals.matches(object)) {
                            assertion = true;
                            break;
                        }
                    }
                    if (!assertion) return false;
                }
                return true;
            }
        };
    }