/*
 * Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 * for details. All rights reserved. Use of this source code is governed by a
 * BSD-style license that can be found in the LICENSE file.
 */
/**
 * @description Test for Range.expand()
 */
import "dart:html";
import 'dart:convert';
import "../../../../Utils/expect.dart";
import "../../../testcommon.dart";

main() {
  document.body.setInnerHtml('''
<p>This is the begin of a block. A block is a collection of sentences. Each sentence begins with capital
letter and ends with a punctuation.
</p>
<p id="multilineSentence">Now, a sentence
is divided into
multiple lines.
</p>
<p id="instructions">Roll the mouse around the page. The coordinates
of the mouse pointer are currently atop an element<br id="mybr">whose ID 
is:"<span id="myspan" style="font-weight:bold"></span>".</p>

<table border=1 id="myTable">
<tr id="tr1">
    <td id="td_A1">Cell A1</td>
    <td id="td_B1">Cell B1</td>
</tr>
<tr id="tr2">
    <td id="td_A2">Cell A2</td>
    <td id="td_B2">Cell B2</td>
</tr>
</table>
<h2 id="sec1">Section 1</h2>
<p id="p1">text.</p>
<h2 id="sec2">Section 2</h2>
<p id="p2">text.</p>
<div id="mydiv" style="position:absolute; top:340; left:300; background-color:yellow">
Here is a positioned element.</div>
<div id="zh-CN-div">在甲型H1N1流感可能出现大流行的警告声中，昨天召开的江苏省2009-2010年度流感防制研讨会注定与往年不同。每年都会召开的一次例会，今年足足提前了一个月；会上研讨的主题，已从以前的季节性流感，变成以甲型H1N1流感为重点。</div>
<div id="he-div">בלשכת שר החוץ הגיבו להתקפות עליו בעקבות הנחייתו לדרוש מהמועמדים לקורס צוערים שירות צבאי או לאומי: "המתקיפים צבועים, מי שרוצה לייצג את המדינה רוצה גם לשרת אותה"</div>
<ul id="console"></ul>
    ''', treeSanitizer: new NullTreeSanitizer());

  log(str)
  {
    var li = document.createElement("li");
    li.append(new Text(str));
    var console = document.getElementById("console");
    console.append(li);
  }

  escape(x) => Uri.encodeComponent(x);

  assertEqual(test_name, actual, expected)
  {
    if (actual != expected) {
      log("==================================");
      log("FAILED test " + test_name);
      log("actual: " + actual);
      log("expected: " + expected);
      if (actual.length != expected.length) {
        log("length !=" + "; actual.length.toString(): " + actual.length.toString() + "; expected.length.toString(): " + expected.length.toString());
        log("escaped actual: " + escape(actual));
        log("escaped expected: " + escape(expected));
        var length = actual.length;
        if (actual.length > expected.length)
          length = expected.length;
        for (var i=0; i<length; ++i) {
          log("i: " + i.toString() + "; actual: " + actual[i] + "; expected: " + expected[i]);
          if (actual[i] != expected[i])
            log("!=");
        }
      }
      else {
        log("actual: " + escape(actual));
        log("expected: " + escape(expected));
        for (var i=0; i<actual.length; ++i) {
          log("i: " + i.toString() + "; actual: " + actual[i] + "; expected: " + expected[i]);
          if (actual[i] != expected[i])
            log("!=");
        }
      }
    }
  }

  expandRangeString(range, startId, startOffset, endId, endOffset, expandUnit, firstChild)
  {
    var startNode = document.getElementById(startId);
    if (firstChild == true)
      startNode = startNode.firstChild;
    var endNode = document.getElementById(endId);
    if (firstChild == true)
      endNode = endNode.firstChild;
    range.setStart(startNode, startOffset);
    range.setEnd(endNode, endOffset);
    range.expand(expandUnit);
    return range.toString();
  }

  // test 1 - Expand to document.
  var range = document.createRange();
  var actual = expandRangeString(range, 'myspan', 0, 'myspan', 0, 'document', false);
  var expected = 'This is the begin of a block. A block is a collection of sentences. Each sentence begins with capital\x0Aletter and ends with a punctuation.\x0A\x0ANow, a sentence\x0Ais divided into\x0Amultiple lines.\x0A\x0ARoll the mouse around the page. The coordinates\x0Aof the mouse pointer are currently atop an elementwhose ID \x0Ais:"".\x0A\x0A\x0A\x0A    Cell A1\x0A    Cell B1\x0A\x0A\x0A    Cell A2\x0A    Cell B2\x0A\x0A\x0ASection 1\x0Atext.\x0ASection 2\x0Atext.\x0A\x0AHere is a positioned element.\x0A在甲型H1N1流感可能出现大流行的警告声中，昨天召开的江苏省2009-2010年度流感防制研讨会注定与往年不同。每年都会召开的一次例会，今年足足提前了一个月；会上研讨的主题，已从以前的季节性流感，变成以甲型H1N1流感为重点。\x0Aבלשכת שר החוץ הגיבו להתקפות עליו בעקבות הנחייתו לדרוש מהמועמדים לקורס צוערים שירות צבאי או לאומי: "המתקיפים צבועים, מי שרוצה לייצג את המדינה רוצה גם לשרת אותה"';
  assertEqual("document1", actual, expected);

  // test 2 - Expand to block.
  actual = expandRangeString(range, 'td_A1', 0, 'td_A1', 0, 'block', false);
  assertEqual("block2", actual, "Cell A1");

  // test 3 - Expand to block, different range start and end offset.
  actual = expandRangeString(range, 'td_A1', 1, 'td_A1', 2, 'block', true);
  assertEqual("block3", actual, "Cell A1");

  // test 4 - Expand to block, different range start and end node.
  actual = expandRangeString(range, 'td_A1', 0, 'td_B1', 0, 'block', false);
  assertEqual("block4", actual, "Cell A1\x0A    Cell B1");

  // test 5 - Expand to sentence.
  actual = expandRangeString(range, 'instructions', 0, 'instructions', 0, 'sentence', false);
  assertEqual("sentence5", actual, "Roll the mouse around the page. ");

  // test 6 - Expand to sentence, different range start and end offset.
  actual = expandRangeString(range, 'instructions', 1, 'instructions', 2, 'sentence', true);
  assertEqual("sentence6", actual, "Roll the mouse around the page. ");

  // test 7 - Expand to sentence, different range start and end node.
  actual = expandRangeString(range, 'instructions', 0, 'mybr', 0, 'sentence', false);
  assertEqual("sentence7", actual, "Roll the mouse around the page. The coordinates\x0Aof the mouse pointer are currently atop an element");

  // test 8 - Sentence does not go upstream?
  actual = expandRangeString(range, 'multilineSentence', 0, 'multilineSentence', 0, 'sentence', false);
  assertEqual("sentence8", actual, "Now, a sentence\x0Ais divided into\x0Amultiple lines.");

  actual = expandRangeString(range, 'multilineSentence', 1, 'multilineSentence', 5, 'sentence', true);
  assertEqual("sentence9", actual, "Now, a sentence\x0Ais divided into\x0Amultiple lines.");

  actual = expandRangeString(range, 'multilineSentence', 20, 'multilineSentence', 20, 'sentence', true);
  assertEqual("sentence10", actual, "is divided into\x0Amultiple lines.");

  actual = expandRangeString(range, 'multilineSentence', 40, 'multilineSentence', 40, 'sentence', true);
  assertEqual("sentence11", actual, "multiple lines.");

  // Expand word.
  // Same range start and end, both at the begin of word.
  actual = expandRangeString(range, 'mydiv', 0, 'mydiv', 0, 'word', false);
  assertEqual("word1", actual, "Here");

  // Same range start and end, both at the begin of a word.
  actual = expandRangeString(range, 'mydiv', 1, 'mydiv', 1, 'word', true);
  assertEqual("word2", actual, "Here");

  // Same range start and end, both at the middle of a word.
  actual = expandRangeString(range, 'mydiv', 3, 'mydiv', 3, 'word', true);
  assertEqual("word3", actual, "Here");

  // Same range start and end, both at the end of a word.
  actual = expandRangeString(range, 'mydiv', 4, 'mydiv', 4, 'word', true);
  assertEqual("word4", actual, "Here");

  // Different range start and end offset, both at the middle of a word.
  actual = expandRangeString(range, 'mydiv', 2, 'mydiv', 3, 'word', true);
  assertEqual("word5", actual, "Here");

  // Different range start and end offset, start at the begin of a word,
  // and end at the end of a word.
  actual = expandRangeString(range, 'mydiv', 5, 'mydiv', 4, 'word', true);
  assertEqual("word6", actual, "Here");

  // Different range start and end offset, start at the begin of a word,
  // and end at the middle of a word.
  actual = expandRangeString(range, 'mydiv', 1, 'mydiv', 3, 'word', true);
  assertEqual("word7", actual, "Here");

  // Different range start and end offset, start at the middle of a word,
  // and end at the end of a word.
  actual = expandRangeString(range, 'mydiv', 2, 'mydiv', 4, 'word', true);
  assertEqual("word8", actual, "Here");

  // Across more than 1 word.
  // Start at the begin of 1st word, end at the end of last word.
  actual = expandRangeString(range, 'mydiv', 1, 'mydiv', 7, 'word', true);
  assertEqual("word9", actual, "Here is");

  // Start at the middle of 1st word, end at the middle of last word.
  actual = expandRangeString(range, 'mydiv', 2, 'mydiv', 6, 'word', true);
  assertEqual("word10", actual, "Here is");

  // Start at the begin of 1st word, end at the middle of last word.
  actual = expandRangeString(range, 'mydiv', 1, 'mydiv', 6, 'word', true);
  assertEqual("word11", actual, "Here is");

  // Start at the middle of 1st word, end at the end of last word.
  actual = expandRangeString(range, 'mydiv', 2, 'mydiv', 7, 'word', true);
  assertEqual("word12", actual, "Here is");

  // Word and space.
  actual = expandRangeString(range, 'mydiv', 4, 'mydiv', 5, 'word', true);
  assertEqual("word13", actual, "Here ");

  // Word across different nodes.
  actual = expandRangeString(range, 'mydiv', 1, 'he-div', 0, 'word', true);
  assertEqual("word14", actual, "Here is a positioned element.\x0A在甲型H1N1流感可能出现大流行的警告声中，昨天召开的江苏省2009-2010年度流感防制研讨会注定与往年不同。每年都会召开的一次例会，今年足足提前了一个月；会上研讨的主题，已从以前的季节性流感，变成以甲型H1N1流感为重点。\x0Aבלשכת");

  // Test for Chinese. No Chinese segmentation in platform/mac.
  actual = expandRangeString(range, 'zh-CN-div', 0, 'zh-CN-div', 0, 'word', true);
  assertEqual("Chinese word0", actual, "在");
  actual = expandRangeString(range, 'zh-CN-div', 1, 'zh-CN-div', 1, 'word', true);
  assertEqual("Chinese word1", actual, "甲");
  actual = expandRangeString(range, 'zh-CN-div', 2, 'zh-CN-div', 2, 'word', true);
  assertEqual("Chinese word1", actual, "型");

  actual = expandRangeString(range, 'zh-CN-div', 3, 'zh-CN-div', 3, 'sentence', true);
  assertEqual("Chinese sentence: ", actual, "在甲型H1N1流感可能出现大流行的警告声中，昨天召开的江苏省2009-2010年度流感防制研讨会注定与往年不同。");

  actual = expandRangeString(range, 'zh-CN-div', 3, 'zh-CN-div', 3, 'block', true);
  assertEqual("Chinese block: ", actual, "在甲型H1N1流感可能出现大流行的警告声中，昨天召开的江苏省2009-2010年度流感防制研讨会注定与往年不同。每年都会召开的一次例会，今年足足提前了一个月；会上研讨的主题，已从以前的季节性流感，变成以甲型H1N1流感为重点。");

  // Test for Hebrew.
  actual = expandRangeString(range, 'he-div', 1, 'he-div', 1, 'word', true);
  assertEqual("Hebrew word", actual,  "בלשכת");

  actual = expandRangeString(range, 'he-div', 1, 'he-div', 1, 'sentence', true);
  assertEqual("Hebrew sentence", actual, 'בלשכת שר החוץ הגיבו להתקפות עליו בעקבות הנחייתו לדרוש מהמועמדים לקורס צוערים שירות צבאי או לאומי: "המתקיפים צבועים, מי שרוצה לייצג את המדינה רוצה גם לשרת אותה"' );

  actual = expandRangeString(range, 'he-div', 0, 'he-div', 0, 'sentence', false);
  assertEqual("Hebrew block", actual, 'בלשכת שר החוץ הגיבו להתקפות עליו בעקבות הנחייתו לדרוש מהמועמדים לקורס צוערים שירות צבאי או לאומי: "המתקיפים צבועים, מי שרוצה לייצג את המדינה רוצה גם לשרת אותה"'    );
}