Add test case for quoteAtoms().

package com.fsck.k9.helper;

import junit.framework.TestCase;

public class Utility_quoteAtoms extends TestCase

{

    public void testNoQuote() {

        // Alpha

        noQuote("a");

        noQuote("aa");

        noQuote("aaa aaa");

        // Numeric

        noQuote("1");

        noQuote("12");

        noQuote("123 456");

        // Alpha Numeric

        noQuote("abc 123");

        // Specials

        noQuote("!");

        noQuote("#");

        noQuote("$");

        noQuote("%");

        noQuote("&");

        noQuote("'");

        noQuote("*");

        noQuote("+");

        noQuote("-");

        noQuote("/");

        noQuote("=");

        noQuote("?");

        noQuote("^");

        noQuote("_");

        noQuote("`");

        noQuote("{");

        noQuote("|");

        noQuote("}");

        noQuote("~");

        // Combos

        noQuote("bob barker! #1!");

        noQuote("!");

        noQuote("#&#!");

        noQuote("{|}");

        noQuote("'-=+=-'");

    }

    public void testQuote() {

        assertEquals("\"bob s. barker\"", quote("bob s. barker"));

        assertEquals("\":(\"", quote(":("));

    }

    private void noQuote(final String s) {

        assertEquals(s, Utility.quoteAtoms(s));

    }

    private String quote(final String s) {

        return Utility.quoteAtoms(s);

    }

}