<!DOCTYPE html>
This tests hit testing on rects with simple strokes, exercising optimized code for hit testing the rects' strokes. If this test passes, you will see "PASS" below.
<p id="result">Running test...</p>
<style>
#rect1:hover,
#rect2:hover,
#rect3:hover,
#rect4:hover,
#rect5:hover,
#rect6:hover {
    stroke: #00f;
}
</style>
<svg id="svg" width="420" height="300" version="1.1">
    <rect id="border" x="0.5" y="0.5" width="419" height="299" stroke="#000" stroke-width="1" fill="none"/>

    <rect id="rect1" x="70" y="30" width="100" height="80" stroke="#000" stroke-width="20" fill="none"/>
    <rect id="rect2" x="40" y="150" width="50" height="120" stroke="#000" stroke-width="20" fill="none" transform="rotate(20 65 210)"/>
    <rect id="rect3" x="140" y="200" width="150" height="70" stroke="#000" stroke-width="20" fill="none"/>
    <rect id="rect4" x="220" y="50" width="60" height="10" stroke="#000" stroke-width="20" fill="none"/>
    <rect id="rect5" x="230" y="100" width="10" height="60" stroke="#000" stroke-width="20" fill="none" transform="rotate(-45 235 130)"/>
    <rect id="rect6" x="310" y="130" width="10" height="10" stroke="#000" stroke-width="20" fill="none"/>
</svg>
<script type="text/javascript">
if (window.testRunner) {
    testRunner.dumpAsText();
    testRunner.waitUntilDone();
}

var svg = document.getElementById("svg");
window.onload = function () {
    var tests = [
        { x: 30, y: 12, expectedElemId: "svg" },
        { x: 118, y: 10, expectedElemId: "svg" },
        { x: 197, y: 12, expectedElemId: "svg" },
        { x: 201, y: 28, expectedElemId: "svg" },
        { x: 15, y: 70, expectedElemId: "svg" },
        { x: 97, y: 52, expectedElemId: "svg" },
        { x: 149, y: 49, expectedElemId: "svg" },
        { x: 85, y: 82, expectedElemId: "svg" },
        { x: 122, y: 98, expectedElemId: "svg" },
        { x: 154, y: 75, expectedElemId: "svg" },
        { x: 72, y: 130, expectedElemId: "svg" },
        { x: 48, y: 145, expectedElemId: "svg" },
        { x: 31, y: 279, expectedElemId: "svg" },
        { x: 28, y: 201, expectedElemId: "svg" },
        { x: 71, y: 179, expectedElemId: "svg" },
        { x: 43, y: 244, expectedElemId: "svg" },
        { x: 74, y: 219, expectedElemId: "svg" },
        { x: 94, y: 261, expectedElemId: "svg" },
        { x: 126, y: 231, expectedElemId: "svg" },
        { x: 146, y: 185, expectedElemId: "svg" },
        { x: 173, y: 216, expectedElemId: "svg" },
        { x: 225, y: 258, expectedElemId: "svg" },
        { x: 247, y: 284, expectedElemId: "svg" },
        { x: 286, y: 174, expectedElemId: "svg" },
        { x: 254, y: 120, expectedElemId: "svg" },
        { x: 203, y: 96, expectedElemId: "svg" },
        { x: 244, y: 163, expectedElemId: "svg" },
        { x: 300, y: 37, expectedElemId: "svg" },
        { x: 335, y: 136, expectedElemId: "svg" },

        // Test all four outer corner points of #rect1
        { x: 60, y: 20, expectedElemId: "rect1" },
        { x: 180, y: 20, expectedElemId: "rect1" },
        { x: 180, y: 120, expectedElemId: "rect1" },
        { x: 60, y: 120, expectedElemId: "rect1" },
        // Test all four interior corner points of #rect1
        { x: 80, y: 40, expectedElemId: "rect1" },
        { x: 160, y: 40, expectedElemId: "rect1" },
        { x: 160, y: 100, expectedElemId: "rect1" },
        { x: 80, y: 100, expectedElemId: "rect1" },

        { x: 67, y: 56, expectedElemId: "rect1" },
        { x: 146, y: 27, expectedElemId: "rect1" },
        { x: 173, y: 111, expectedElemId: "rect1" },

        { x: 28, y: 242, expectedElemId: "rect2" },
        { x: 51, y: 182, expectedElemId: "rect2" },
        { x: 89, y: 155, expectedElemId: "rect2" },

        { x: 136, y: 198, expectedElemId: "rect3" },
        { x: 177, y: 270, expectedElemId: "rect3" },
        { x: 275, y: 197, expectedElemId: "rect3" },
        { x: 297, y: 233, expectedElemId: "rect3" },

        { x: 235, y: 47, expectedElemId: "rect4" },
        { x: 272, y: 61, expectedElemId: "rect4" },
        { x: 290, y: 70, expectedElemId: "rect4" },

        { x: 233, y: 140, expectedElemId: "rect5" },

        { x: 312, y: 128, expectedElemId: "rect6" },
        { x: 330, y: 150, expectedElemId: "rect6" }
    ];

    var bcr = svg.getBoundingClientRect(),
        x0 = bcr.left << 0,
        y0 = bcr.top << 0;

    for (var i = 0; i < tests.length; ++i) {
        var test = tests[i],
            elem = document.elementFromPoint(x0 + test.x, y0 + test.y),
            expectedElem = document.getElementById(test.expectedElemId),
            success;
        if (elem !== expectedElem) {
            success = false;
            result.textContent = "FAIL - unexpected element at (" + test.x + ", " + test.y + ")";
        } else {
            success = true;
        }

        // Draw a dot and a label at the test point (helps with identification).
        markPoint(test.x, test.y, success);
    }

    if (result.textContent == "Running test...")
        result.textContent = "PASS";

    if (window.testRunner)
        testRunner.notifyDone();
};

function markPoint(testX, testY, success) {
    var dot = document.createElementNS("http://www.w3.org/2000/svg", "circle");
    dot.setAttribute("pointer-events", "none");
    dot.setAttribute("cx", testX);
    dot.setAttribute("cy", testY);
    dot.setAttribute("r", "2");
    if (success)
        dot.setAttribute("fill", "#0c0");
    else
        dot.setAttribute("fill", "red");
    svg.appendChild(dot);
    var label = document.createElementNS("http://www.w3.org/2000/svg", "text");
    label.setAttribute("pointer-events", "none");
    label.setAttribute("x", testX + 4);
    label.setAttribute("y", testY);
    label.textContent = "(" + testX + ", " + testY + ")";
    if (success)
        label.setAttribute("fill", "#0c0");
    else
        label.setAttribute("fill", "red");
    svg.appendChild(label);
}
</script>