/**

 * Back 2 Browser Bytecode Translator

 * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation, version 2 of the License.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program. Look for COPYING file in the top folder.

 * If not, see http://opensource.org/licenses/GPL-2.0.

 */

package org.apidesign.bck2brwsr.tck;

import java.io.UnsupportedEncodingException;

import java.net.MalformedURLException;

import java.net.URISyntaxException;

import java.net.URL;

import java.util.Locale;

import org.apidesign.bck2brwsr.vmtest.Compare;

import org.apidesign.bck2brwsr.vmtest.VMTest;

import org.testng.annotations.Factory;

/**

 *

 * @author Jaroslav Tulach <jtulach@netbeans.org>

 */

public class CompareStringsTest {

    @Compare public String firstChar() {

        return "" + ("Hello".toCharArray()[0]);

    }

    @Compare public String classCast() {

        Object o = firstChar();

        return String.class.cast(o);

    }

    @Compare public String classCastThrown() {

        Object o = null;

        return String.class.cast(o);

    }

    @Compare public boolean equalToNull() {

        return "Ahoj".equals(null);

    }

    @Compare public boolean internIsSame() {

        return new String("Ahoj").intern() == another();

    }

    private static String another() {

        return new String("Ahoj").intern();

    }

    @Compare public int highByteLenght() {

        byte[] arr= { 77,97,110,105,102,101,115,116,45,86,101,114,115,105,111,110 };

        return new String(arr, 0).length();

    }

    @Compare public String highByte() {

        byte[] arr= { 77,97,110,105,102,101,115,116,45,86,101,114,115,105,111,110 };

        StringBuilder sb = new StringBuilder();

        sb.append("pref:");

        sb.append(new String(arr, 0));

        return sb.toString();

    }

    @Compare public static Object compareURLs() throws MalformedURLException {

        return new URL("http://apidesign.org:8080/wiki/").toExternalForm().toString();

    }

    @Compare public static Object compareURLsViaURIs() throws Exception {

        return new URL("http://apidesign.org:8080/wiki/").toURI().toString();

    }

    @Compare public String deleteLastTwoCharacters() {

        StringBuilder sb = new StringBuilder();

        sb.append("453.0");

        if (sb.toString().endsWith(".0")) {

            final int l = sb.length();

            sb.delete(l - 2, l);

        }

        return sb.toString().toString();

    }

    @Compare public String nameOfStringClass() throws Exception {

        return Class.forName("java.lang.String").getName();

    }

    @Compare public String nameOfArrayClass() throws Exception {

        return Class.forName("org.apidesign.bck2brwsr.tck.CompareHashTest").getName();

    }

    @Compare public String lowerHello() {

        return "HeLlO".toLowerCase();

    }

    @Compare public String lowerA() {

        return String.valueOf(Character.toLowerCase('A')).toString();

    }

    @Compare public String upperHello() {

        return "hello".toUpperCase();

    }

    @Compare public String upperA() {

        return String.valueOf(Character.toUpperCase('a')).toString();

    }

    @Compare public boolean matchRegExp() throws Exception {

        return "58038503".matches("\\d*");

    }

    @Compare public boolean doesNotMatchRegExp() throws Exception {

        return "58038503GH".matches("\\d*");

    }

    @Compare public boolean doesNotMatchRegExpFully() throws Exception {

        return "Hello".matches("Hell");

    }

    @Compare public String emptyCharArray() {

        char[] arr = new char[10];

        return new String(arr);

    }

    @Compare public String variousCharacterTests() throws Exception {

        StringBuilder sb = new StringBuilder();

        sb.append(Character.isUpperCase('a'));

        sb.append(Character.isUpperCase('A'));

        sb.append(Character.isLowerCase('a'));

        sb.append(Character.isLowerCase('A'));

        sb.append(Character.isLetter('A'));

        sb.append(Character.isLetterOrDigit('9'));

        sb.append(Character.isLetterOrDigit('A'));

        sb.append(Character.isLetter('0'));

        return sb.toString().toString();

    }

    @Compare

    public String nullFieldInitialized() {

        NullField nf = new NullField();

        return ("" + nf.name).toString();

    }

    @Compare

    public String toUTFString() throws UnsupportedEncodingException {

        byte[] arr = {

            (byte) -59, (byte) -67, (byte) 108, (byte) 117, (byte) -59, (byte) -91,

            (byte) 111, (byte) 117, (byte) -60, (byte) -115, (byte) 107, (byte) -61,

            (byte) -67, (byte) 32, (byte) 107, (byte) -59, (byte) -81, (byte) -59,

            (byte) -120

        };

        return new String(arr, "utf-8");

    }

    @Compare

    public int stringToBytesLenght() throws UnsupportedEncodingException {

        return "\u017dlu\u0165ou\u010dk\u00fd k\u016f\u0148".getBytes("utf8").length;

    }

    @Compare public String replaceSeq() {

        return "Hello World.".replace(".", "!");

    }

    @Compare public String replaceSeqAll() {

        return "Hello World! Hello World.".replace("World", "Jarda");

    }

    @Compare public String replaceSeqAA() {

        String res = "aaa".replace("aa", "b");

        assert res.equals("ba") : "Expecting ba: " + res;

        return res;

    }

    @Compare public String localeUS() {

        return Locale.US.toString();

    }

    @Compare public String localeFrench() {

        return Locale.FRENCH.toString();

    }

    @Compare public String formatSimple() {

        return String.format((Locale)null, "Hello %s!", "World");

    }

    @Compare public String replaceWithItself() {

        return "org.apidesign.bck2brwsr.core.JavaScriptBody".replace(".", "\\.");

    }

    @Compare public boolean matchWithComplicatedRegExp() {

        return "Activates this model instance.".matches("(?sm).*^\\s*@deprecated( |$).*");

    }

    @Factory

    public static Object[] create() {

        return VMTest.create(CompareStringsTest.class);

    }

    private static final class NullField {

        String name;

    }

}