/*******************************************************************************
 * Copyright (c) 2009 IBM Corporation and others All rights reserved. This
 * program and the accompanying materials are made available under the terms of
 * the Eclipse Public License v1.0 which accompanies this distribution, and is
 * available at http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors: IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.e4.javascript.test;

import java.math.BigDecimal;
import java.util.*;
import junit.framework.TestCase;
import org.eclipse.e4.internal.javascript.JSONUtil;

public class JSONUtilTest extends TestCase {

	public void testNull() {
		String result = JSONUtil.write(null);
		assertEquals(result, "null");

		assertNull(JSONUtil.read(result));
	}

	public void testTrue() {
		String result = JSONUtil.write(Boolean.TRUE);
		assertEquals(result, Boolean.TRUE.toString());

		assertEquals(JSONUtil.read(result), Boolean.TRUE);
	}

	public void testFalse() {
		String result = JSONUtil.write(Boolean.FALSE);
		assertEquals(result, Boolean.FALSE.toString());

		assertEquals(JSONUtil.read(result), Boolean.FALSE);
	}

	public void testNumber() {
		String result = JSONUtil.write(new Integer(-38));
		assertEquals(result, "-38");

		assertEquals(JSONUtil.read(result), new BigDecimal(-38));

		result = JSONUtil.write(new Double(-3.56e-5));
		assertEquals(result, "-3.56E-5");

		assertEquals(JSONUtil.read(result), new BigDecimal("-3.56E-5"));
	}

	public void testString() {
		String result = JSONUtil.write("test");
		assertEquals(result, "\"test\"");
		assertEquals(JSONUtil.read(result), "test");

		result = JSONUtil.write("\\/\"\b\f\n\r\t\0");
		assertEquals(result, "\"\\\\\\/\\\"\\b\\f\\n\\r\\t\\u0000\"");
		assertEquals(JSONUtil.read(result), "\\/\"\b\f\n\r\t\0");;
	}

	public void testMap() {
		Map map = new HashMap();
		map.put("number", new Integer(8675309));
		map.put("string", "goog");
		map.put("escape", "\\/\"\b\f\n\r\t\0");
		map.put("true", Boolean.TRUE);
		map.put("false", Boolean.FALSE);
		map.put("null", null);
		Map object = new HashMap();
		object.put("test", "test\n");
		map.put("object", object);
		Collection array = new ArrayList();
		array.add("anothertest"); //$NON-NLS-1$
		map.put("array", array);
		String result = JSONUtil.write(map);

		Map resultMap = (Map) JSONUtil.read(result);
		assertEquals(resultMap.get("number"), new BigDecimal(8675309));
		assertEquals(resultMap.get("string"), "goog");
		assertEquals(resultMap.get("escape"), "\\/\"\b\f\n\r\t\0");
		assertEquals(resultMap.get("true"), Boolean.TRUE);
		assertEquals(resultMap.get("false"), Boolean.FALSE);
		assertEquals(resultMap.get("null"), null);

		Map objectResult = (Map) resultMap.get("object");
		assertEquals(objectResult.get("test"), "test\n");
		assertEquals(1, objectResult.size());
		Collection arrayResult = (Collection) resultMap.get("array");
		assertTrue(arrayResult.contains("anothertest"));
		assertEquals(1, arrayResult.size());
	}

	public void testWhiteSpaceMap() {
		String result = "\t\r\n  {\t\r\n  \"string\"\t\r\n  :\t\r\n  \"goog\"\t\r\n  ,\t\r\n  \"false\"\t\r\n  :\t\r\n  false\t\r\n  ,\t\r\n  \"true\"\t\r\n  :\t\r\n  true\t\r\n  ,\t\r\n  \"number\"\t\r\n  :\t\r\n  8675309\t\r\n  ,\t\r\n  \"object\"\t\r\n  :\t\r\n  {\t\r\n  \"test\"\t\r\n  :\t\r\n  \"test\\n\"\t\r\n  }\t\r\n  ,\t\r\n  \"null\"\t\r\n  :\t\r\n  null\t\r\n  ,\t\r\n  ";
		result += "\t\r\n  \"escape\"\t\r\n  :\t\r\n  \"\\\\\\/\\\"\\b\\f\\n\\r\\t\\u0000\"\t\r\n  ";
		result += "\t\r\n  ,\t\r\n  \"array\"\t\r\n  :\t\r\n  [\t\r\n  \"anothertest\"\t\r\n  ]\t\r\n  }\t\r\n  ";

		Map resultMap = (Map) JSONUtil.read(result);
		assertEquals(resultMap.get("number"), new BigDecimal(8675309));
		assertEquals(resultMap.get("string"), "goog");
		assertEquals(resultMap.get("escape"), "\\/\"\b\f\n\r\t\0");
		assertEquals(resultMap.get("true"), Boolean.TRUE);
		assertEquals(resultMap.get("false"), Boolean.FALSE);
		assertEquals(resultMap.get("null"), null);

		Map objectResult = (Map) resultMap.get("object");
		assertEquals(objectResult.get("test"), "test\n");
		assertEquals(1, objectResult.size());
		Collection arrayResult = (Collection) resultMap.get("array");
		assertTrue(arrayResult.contains("anothertest"));
		assertEquals(1, arrayResult.size());

	}

	public void testArray() {
		Collection list = new ArrayList();
		list.add(new Integer(8675309));
		list.add("goog");
		list.add("\\/\"\b\f\n\r\t\0");
		list.add(Boolean.TRUE);
		list.add(Boolean.FALSE);
		list.add(null);
		Map object = new HashMap();
		object.put("test", "test\n");
		list.add(object);
		Collection array = new ArrayList();
		array.add("anothertest"); //$NON-NLS-1$
		list.add(array);
		String result = JSONUtil.write(list);

		List resultList = (List) JSONUtil.read(result);
		assertEquals(resultList.get(0), new BigDecimal(8675309));
		assertEquals(resultList.get(1), "goog");
		assertEquals(resultList.get(2), "\\/\"\b\f\n\r\t\0");
		assertEquals(resultList.get(3), Boolean.TRUE);
		assertEquals(resultList.get(4), Boolean.FALSE);
		assertEquals(resultList.get(5), null);

		Map objectResult = (Map) resultList.get(6);
		assertEquals(objectResult.get("test"), "test\n");
		assertEquals(1, objectResult.size());
		Collection arrayResult = (Collection) resultList.get(7);
		assertTrue(arrayResult.contains("anothertest"));
		assertEquals(1, arrayResult.size());
	}

	public void testWhiteSpaceArray() {
		String result = "   \t\r\n   [   \t\r\n   8675309   \t\r\n   ,   \t\r\n   \"goog\"   \t\r\n   ,   \t\r\n   ";
		result += "\"\\\\\\/\\\"\\b\\f\\n\\r\\t\\u0000\"";
		result += "   \t\r\n   ,   \t\r\n   true   \t\r\n   ,   \t\r\n   false   \t\r\n   ,   \t\r\n   null   \t\r\n   ,{   \t\r\n   \"test\"   \t\r\n   :   \t\r\n   \"test\\n\"   \t\r\n   }   \t\r\n   ,   \t\r\n   [   \t\r\n   \"anothertest\"   \t\r\n   ]   \t\r\n   ]   \t\r\n   ";

		List resultList = (List) JSONUtil.read(result);
		assertEquals(resultList.get(0), new BigDecimal(8675309));
		assertEquals(resultList.get(1), "goog");
		assertEquals(resultList.get(2), "\\/\"\b\f\n\r\t\0");
		assertEquals(resultList.get(3), Boolean.TRUE);
		assertEquals(resultList.get(4), Boolean.FALSE);
		assertEquals(resultList.get(5), null);

		Map objectResult = (Map) resultList.get(6);
		assertEquals(objectResult.get("test"), "test\n");
		assertEquals(1, objectResult.size());
		Collection arrayResult = (Collection) resultList.get(7);
		assertTrue(arrayResult.contains("anothertest"));
		assertEquals(1, arrayResult.size());
	}
}