@Test
    public void testPluralize(){
        assertEquals("octopi", PLURAL.format("octopus"));
        assertEquals("vertices", PLURAL.format("vertex"));
        assertEquals("oxen", PLURAL.format("ox"));
        assertEquals("books", PLURAL.format("book"));
        assertEquals("people", PLURAL.format("Person"));
        assertEquals("children", PLURAL.format("Child"));
        assertEquals("Addresses", PLURAL.format("Address"));
        assertEquals("money", PLURAL.format("money"));
        assertEquals("libraries", PLURAL.format("library"));
    }
Tests for {@link Formatter}.

@author David Yu
@author Kostiantyn Shchepanovskyi
protostuff-compiler/src/test/java/io/protostuff/compiler/FomatterTest.java