<!DOCTYPE html>
<html>
<head>
<script src="../../resources/js-test-pre.js"></script>
<script>
function test()
{
    description("An event generated on the edge of a table cell is not being consumed by the appropriate underlying element. This test verifies that the hittest result on the bottom edge of a table cell returns the proper underlying element.");
		
    var ele = {};	
    ['tr1-td1', 'tr1-td2', 'tr1-td3', 'tr1-td4',
     'tr2-td1', 'tr2-td2', 'tr2-td3', 'tr2-td4',
     'tr3-td1', 'tr3-td2', 'tr3-td3', 'tr3-td4',
     'tr4-td1', 'tr4-td2', 'tr4-td3', 'tr4-td4'].forEach(function(a) {
        ele[a] = document.getElementById(a);
        hittest(ele[a], a);
        ele[a].innerHTML = '';
    });

    isSuccessfullyParsed();
}
function hittest(ele, orgElement, expected1, expected2)
{	
    middleX = ele.getBoundingClientRect().right / 2;
    edge = ele.getBoundingClientRect().bottom;
    debug('Executing for element '+orgElement+' on the bottom edge of the table cell:');
    
    switch (orgElement) {
    case ('tr1-td1'):
        shouldBe("document.elementFromPoint(middleX, edge - 1).id", "'tr1-td1'");
		shouldBe("document.elementFromPoint(middleX, edge).id", "'tr2-td1'");
		shouldBe("document.elementFromPoint(middleX, edge + 1).id", "'tr2-td1'");
		break;
	case ('tr1-td2'):
	case ('tr1-td3'):
		shouldBe("document.elementFromPoint(middleX, edge - 1).id", "'tr1-td1'");
		shouldBe("document.elementFromPoint(middleX, edge).id", "'tr2-td1'");
		shouldBe("document.elementFromPoint(middleX, edge + 1).id", "'tr2-td1'");
		break;
	case ('tr1-td4'):
		shouldBe("document.elementFromPoint(middleX, edge - 1).id", "'tr1-td2'");
		shouldBe("document.elementFromPoint(middleX, edge).id", "'tr2-td2'");
		shouldBe("document.elementFromPoint(middleX, edge + 1).id", "'tr2-td2'");
		break;
	case ('tr2-td1'):
	case ('tr2-td2'): 
	case ('tr2-td3'):                
		shouldBe("document.elementFromPoint(middleX, edge - 1).id", "'tr2-td1'");
		shouldBe("document.elementFromPoint(middleX, edge).id", "'tr4-td1'");
		shouldBe("document.elementFromPoint(middleX, edge + 1).id", "'tr4-td1'");
		break;
	case ('tr2-td4'):
		shouldBe("document.elementFromPoint(middleX, edge - 1).id", "'tr2-td2'");
		shouldBe("document.elementFromPoint(middleX, edge).id", "'tr4-td2'");
		shouldBe("document.elementFromPoint(middleX, edge + 1).id", "'tr4-td2'");
		break;
   case ('tr3-td1'):
   case ('tr3-td2'):
   case ('tr3-td3'):              
		shouldBe("document.elementFromPoint(middleX, edge - 1).id", "''");
		shouldBe("document.elementFromPoint(middleX, edge).id", "'tr4-td1'");
		shouldBe("document.elementFromPoint(middleX, edge + 1).id", "'tr4-td1'");
		break;
	case ('tr3-td4'):
		shouldBe("document.elementFromPoint(middleX, edge - 1).id", "''");
		shouldBe("document.elementFromPoint(middleX, edge).id", "'tr4-td2'");
		shouldBe("document.elementFromPoint(middleX, edge + 1).id", "'tr4-td2'");
		break;
	case ('tr4-td1'):
		shouldBe("document.elementFromPoint(middleX, edge - 1).id", "'tr4-td1'");
		shouldBe("document.elementFromPoint(middleX, edge).id", "''");
		shouldBe("document.elementFromPoint(middleX, edge + 1).id", "''");
		break;
	case ('tr4-td2'):
		shouldBe("document.elementFromPoint(middleX, edge - 1).id", "'tr4-td2'");
		shouldBe("document.elementFromPoint(middleX, edge).id", "''");
		shouldBe("document.elementFromPoint(middleX, edge + 1).id", "''");
		break;        
	case ('tr4-td3'):        
		shouldBe("document.elementFromPoint(middleX, edge - 1).id", "''");
		shouldBe("document.elementFromPoint(middleX, edge).id", "''");
		shouldBe("document.elementFromPoint(middleX, edge + 1).id", "''");
		break;
	case ('tr4-td4'):
		shouldBe("document.elementFromPoint(middleX, edge - 1).id", "'tr4-td4'");
		shouldBe("document.elementFromPoint(middleX, edge).id", "''");
		shouldBe("document.elementFromPoint(middleX, edge + 1).id", "''");
		break;
	default:
		break;
    }
}
</script>
<style>
    table
    {
        border-spacing: 0px;
        font-size: 1000%;
    }
    td { padding: 0px; }
</style>
</head>
<body onload="test()">
    <p>Test for Bugzilla <a href="https://bugs.webkit.org/show_bug.cgi?id=74864">Bug 74864</a>: There is additional space not belonged to a table between the table cells.</p>
    <table cellspacing=0>
        <tr id="tr1">
            <td id="tr1-td1">1</td>
            <td id="tr1-td2">1</td>
            <td id="tr1-td3"></td>
            <td id="tr1-td4">1</td>
        </tr>
        <tr id="tr2">
            <td id="tr2-td1">1</td>
            <td id="tr2-td2">1</td>
            <td id="tr2-td3"></td>
            <td id="tr2-td4">1</td>
        </tr>
        <tr id="tr3">
            <td id="tr3-td1"></td>
            <td id="tr3-td2"></td>
            <td id="tr3-td3"></td>
            <td id="tr3-td4"></td>
        </tr>  
        <tr id="tr4">
            <td id="tr4-td1">1</td>
            <td id="tr4-td2">1</td>
            <td id="tr4-td3"></td>            
            <td id="tr4-td4">1</td>
        </tr>              
    </table>
    <p id="description"></p>
    <div id="console"></div>
</body>
</html>