/* ***** BEGIN LICENSE BLOCK *****
 * Distributed under the BSD license:
 *
 * Copyright (c) 2010, Ajax.org B.V.
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
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 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of Ajax.org B.V. nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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define(function(require, exports, module) {
"use strict";

var assert = require("assert");
    
assert.position = function(cursor, row, column) {
    assert.equal(cursor.row, row);
    assert.equal(cursor.column, column);
};

assert.range = function(range, startRow, startColumn, endRow, endColumn) {
    assert.position(range.start, startRow, startColumn);
    assert.position(range.end, endRow, endColumn);
};

assert.notOk = function(value) {
    assert.equal(value, false);   
};

assert.jsonEquals = function(foundJson, expectedJson) {
    assert.equal(JSON.stringify(foundJson), JSON.stringify(expectedJson));
};

assert.domNode = function(foundDom, expectedDom) {
    if (!Array.isArray(foundDom))
        foundDom = serializeDom(foundDom);
    assert.deepEqual(foundDom, expectedDom);
};

function serializeDom(node) {
    var attributes = {};
    var attributeArray = node.attributes;
    if (!attributeArray)
        return node.data;
    if (typeof attributeArray.length == "number") {
        for (var i = 0; i < attributeArray.length; i++)
            attributes[attributeArray[i].name] = attributeArray[i].value;
    }
    var result = [node.localName, attributes];
    for (var i = 0; i < node.childNodes.length; i++) {
        var child = serializeDom(node.childNodes[i]);
        if (child)
            result.push(child);
    }
    return result;
}

module.exports = assert;

});