layout/generic/test/test_bug288789.html


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117

<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=288789
-->
<head>
  <title>Test for Bug 288789</title>
  <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=288789">Mozilla Bug 288789</a>
<p id="display"></p>
<div id="content">
<textarea id="ta" dir="rtl">

&#x05d0;a&#x05d1;

</textarea>
<textarea id="tb">

abc

</textarea>
</div>
<pre id="test">
<script class="testbody" type="text/javascript">

/** Test for Bug 288789 **/

SimpleTest.waitForExplicitFinish();

// This seems to be necessary because the selection is not set up properly otherwise
setTimeout(test, 0);

function test() {
  var textarea = $("ta");

  function collapse(offset) {
	textarea.selectionStart = offset;
  	textarea.selectionEnd = offset;
  }

  function testRight(offset) {
    synthesizeKey("VK_RIGHT", {});
    is(textarea.selectionStart, offset, "Right movement broken");
  }

  function testLeft(offset) {
    synthesizeKey("VK_LEFT", {});
    is(textarea.selectionStart, offset, "Left movement broken");
  }

  textarea.focus();
  collapse(0);
  ok(true, "Testing forward movement in RTL mode");
  for (var i = 0; i < textarea.textContent.length; ++i) {
    if (i == 0) {
      testRight(i);
    }
    if (textarea.textContent[i] == 'a') {
      testLeft(i);
    } else {
      testLeft(i + 1);
    }
    if (i == textarea.textContent.length - 1) {
      testLeft(i + 1);
    }
  }
  ok(true, "Testing backward movement in RTL mode");
  for (var i = textarea.textContent.length; i > 0; --i) {
    if (i == textarea.textContent.length) {
      testLeft(i);
    }
    if (i > 0 && textarea.textContent[i - 1] == 'a') {
      testRight(i);
    } else {
      testRight(i - 1);
    }
    if (i == 1) {
      testRight(i - 1);
    }
  }

  textarea = $("tb");
  textarea.focus();
  collapse(0);
  ok(true, "Testing forward movement in LTR mode");
  for (var i = 0; i < textarea.textContent.length; ++i) {
    if (i == 0) {
      testLeft(i);
    }
    testRight(i + 1);
    if (i == textarea.textContent.length - 1) {
      testRight(i + 1);
    }
  }
  ok(true, "Testing backward movement in LTR mode");
  for (var i = textarea.textContent.length; i > 0; --i) {
    if (i == textarea.textContent.length) {
      testRight(i);
    }
    testLeft(i - 1);
    if (i == 1) {
      testLeft(i - 1);
    }
  }

  SimpleTest.finish();
}

</script>
</pre>
</body>
</html>