/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2015 Ziver Koc
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package zutil.converter;

import org.junit.Test;
import zutil.converter.Converter;

import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;


public class ConverterTest {

	@Test
	public void testHexToByte() {
		assertEquals( (byte)1, Converter.hexToByte('1') );
		assertEquals( (byte)5, Converter.hexToByte('5') );
		assertEquals( (byte)10, Converter.hexToByte('A') );
		assertEquals( (byte)10, Converter.hexToByte('a') );
	}
	
	@Test
	public void testHexToByte2() {
		assertEquals( 0x00, Converter.hexToByte('0','0') );
		assertEquals( 0x11, Converter.hexToByte('1','1') );
		assertEquals( 0x75, Converter.hexToByte('7','5') );
		assertEquals( 0xDA, Converter.hexToByte('D','A') & 0xFF );
		assertEquals( 0xFA, Converter.hexToByte('F','a') & 0xFF );
		assertEquals( 0xFF, Converter.hexToByte('f','f') & 0xFF );
	}

    @Test
    public void testHexStringToByte() {
        assertArrayEquals( null, Converter.hexToByte(null) );
        assertArrayEquals( new byte[]{}, Converter.hexToByte("") );
        assertArrayEquals( new byte[]{0x00}, Converter.hexToByte("0x00") );
        assertArrayEquals( new byte[]{0x00}, Converter.hexToByte("00") );
        assertArrayEquals(new byte[]{0x07,0x06,0x05,0x04,0x03,0x02,0x01},
                Converter.hexToByte("01020304050607") );
        assertArrayEquals( new byte[]{0x11,0x0F}, Converter.hexToByte("F11") );
    }

	@Test
	public void testUrlEncode() {
		assertEquals( "fas8dg7%20a0d1%2313f9g8d7%200h9a%25h0",
				Converter.urlEncode("fas8dg7 a0d1#13f9g8d7 0h9a%h0") );
		assertEquals( "9i34%202y9252%25%2623%20463765(%2f%26(",
				Converter.urlEncode("9i34 2y9252%&23 463765(/&(") );
		
	}
	
	@Test
	public void testUrlDecode() {
		assertEquals( "fas8dg7 a0d1#13f9g8d7 0h9a%h0", 
				Converter.urlDecode("fas8dg7%20a0d1%2313f9g8d7%200h9a%25h0") );
		assertEquals( "9i34 2y9252%&23 463765(/&(",
				Converter.urlDecode("9i34%202y9252%25%2623%20463765(%2f%26(") );
	}


	@Test
	public void byteArrayToInt(){
		assertEquals(0, Converter.toInt(new byte[]{}));
		assertEquals(1, Converter.toInt(new byte[]{0b0000_0001}));
		assertEquals(1, Converter.toInt(new byte[]{0x00,0x01}));
		assertEquals(256, Converter.toInt(new byte[]{0x00,0x01,0x00}));
		assertEquals(-1, Converter.toInt(new byte[]{(byte)0xFF,(byte)0xFF,(byte)0xFF,(byte)0xFF}));
		assertEquals(Integer.MAX_VALUE, Converter.toInt(new byte[]{(byte)0x7F,(byte)0xFF,(byte)0xFF,(byte)0xFF}));
		assertEquals(Integer.MAX_VALUE, Converter.toInt(new byte[]{(byte)0x7F,(byte)0xFF,(byte)0xFF,(byte)0xFF,(byte)0xFF,(byte)0xFF}));
	}

	@Test
	public void intToByteArray(){
		assertArrayEquals(new byte[]{0x00,0x00,0x00,0x00}, Converter.toBytes(0));
		assertArrayEquals(new byte[]{0x01,0x00,0x00,0x00}, Converter.toBytes(1));
		assertArrayEquals(new byte[]{0x00,0x01,0x00,0x00}, Converter.toBytes(256));
		assertArrayEquals(new byte[]{(byte)0xFF,(byte)0xFF,(byte)0xFF,(byte)0xFF}, Converter.toBytes(-1));
		assertArrayEquals(new byte[]{(byte)0xFF,(byte)0xFF,(byte)0xFF,(byte)0x7F}, Converter.toBytes(Integer.MAX_VALUE));
		assertArrayEquals(new byte[]{(byte)0x00,(byte)0x00,(byte)0x00,(byte)0x80}, Converter.toBytes(Integer.MIN_VALUE));
	}
}