<!DOCTYPE html>
<html>
<head>
<script src="../../../resources/js-test-pre.js"></script>
</head>
<body>
<p id="description"></p>
<div id="console"></div>
<script>
description('This test aims to check for rangeOverflow flag with month input fields');

var input = document.createElement('input');

function checkOverflow(value, max, disabled)
{
    input.value = value;
    input.max = max;
    input.disabled = !!disabled;
    var overflow = input.validity.rangeOverflow;
    var resultText = 'The value "' + input.value + '" ' +
        (overflow ? 'overflows' : 'doesn\'t overflow') +
        ' the maximum value "' + input.max + '"' + (disabled ? ' when disabled.' : '.');
    if (overflow)
        testPassed(resultText);
    else
        testFailed(resultText);
}

function checkNotOverflow(value, max, disabled, sanitized)
{
    input.value = value;
    input.max = max;
    input.disabled = !!disabled;
    var overflow = input.validity.rangeOverflow;
    var resultText = 'The value "' + input.value + '" ' +
        (sanitized ? 'sanitized from "' + value + '" ' : '') +
        (overflow ? 'overflows' : 'doesn\'t overflow') +
        ' the maximum value "' + input.max + '"' + (disabled ? ' when disabled.' : '.');
    if (overflow)
        testFailed(resultText);
    else
        testPassed(resultText);
}

function checkSanitizedValueNotOverflow(value, max, disabled)
{
    // For date types, invalid values are sanitized to "".
    checkNotOverflow(value, max, disabled, true);
}

input.type = 'month';
input.min = '';
// No overflow cases
checkNotOverflow('2010-01', null);
checkNotOverflow('2010-01', '');
checkNotOverflow('2010-01', 'foo');
checkNotOverflow('2010-01', '2010-01');
checkNotOverflow('2010-01', '2010-02');
checkNotOverflow('2010-01', '2011-01');
checkSanitizedValueNotOverflow('foo', '2011-01');
checkNotOverflow('2010-01', '0000-01'); // Too small max value.

// Overflow cases
checkOverflow('2010-01', '2009-12');
checkOverflow('9999-01', '2010-12');
input.min = '2010-02';  // value < min && value > max
checkOverflow('2010-01', '2009-12');

// Disabled
checkNotOverflow('9999-01', '2010-12', true);
</script>
<script src="../../../resources/js-test-post.js"></script>
</body>
</html>