<html>
<head>
<script src="../resources/js-test-pre.js"></script>
</head>
<body>

<textarea name="area1" id="area1" rows="5" cols="40">
line 1
line 2
line 3
</textarea>

<textarea name="area2" id="area2" rows="5" cols="40"></textarea>

<div id="contenteditable-div" role="textbox" contenteditable="true" tabindex="0">
    <div id="contenteditable-line1">Line1</div>
    <textarea id="contenteditable-line2" rows="1" cols="40">Line2</textarea>
    <div id="contenteditable-line3">Line3</div>
</div>

<p id="description"></p>
<div id="console"></div>

<script>
    description("This tests that lineNumberForPosition is reported correctly for textarea and contenteditable elements.");

    if (window.accessibilityController) {
        var area1 = document.getElementById("area1");
        area1.focus();
        var area1AXUIElement = accessibilityController.focusedElement;
        var lineNumber = -2;

        // Set the insertion point to the beginning of each line in area1 and
        // check that accessibility returns the correct line number.
        for (var currentLine = 0; currentLine < 3; currentLine++) {
            area1.selectionStart = currentLine * 7;
            area1.selectionEnd = currentLine * 7;
            shouldBe("area1AXUIElement.insertionPointLineNumber", "currentLine");
        }

        // area2 is an empty textarea so the insertion point line number should be 0.
        var area2 = document.getElementById("area2");
        area2.focus();
        var area2AXUIElement = accessibilityController.focusedElement;
        shouldBe("area2AXUIElement.insertionPointLineNumber", "0");

        // Set focus to the contenteditable-div element and set the insertion
        // point in each of the children lines.
        var contenteditableDiv = document.getElementById("contenteditable-div");
        contenteditableDiv.focus();
        var contenteditableAXUIElement = accessibilityController.focusedElement;

        var contenteditableLine1 = document.getElementById("contenteditable-line1");
        window.getSelection().setBaseAndExtent(contenteditableLine1, 1, contenteditableLine1, 1);
        shouldBe("contenteditableAXUIElement.insertionPointLineNumber", "0");

        var contenteditableLine2 = document.getElementById("contenteditable-line2");
        window.getSelection().setBaseAndExtent(contenteditableLine2, 1, contenteditableLine2, 1);
        shouldBe("contenteditableAXUIElement.insertionPointLineNumber", "1");

        var contenteditableLine3 = document.getElementById("contenteditable-line3");
        window.getSelection().setBaseAndExtent(contenteditableLine3, 1, contenteditableLine3, 1);
        shouldBe("contenteditableAXUIElement.insertionPointLineNumber", "2");

        // Set focus to line 2 and get the insertion point line number relative
        // to the nested textarea, which should be 0.
        contenteditableLine2.focus();
        var textareaAXUIElement = accessibilityController.focusedElement;
        shouldBe("textareaAXUIElement.insertionPointLineNumber", "0");
    }
</script>
<script src="../resources/js-test-post.js"></script>
</body>
</html>