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<!DOCTYPE HTML>
<head>
<title>Canvas test: drawFocusIfNeeded</title>
<script src="../../resources/js-test.js"></script>
</head>
<body style="padding: 0; margin: 0">
<canvas id="canvas" class="output" width="300" height="350">
    <button id="button1"></button>
    <button id="button2"></button>
</canvas>
<script>
if (window.testRunner)
    testRunner.dumpAsText();

var canvas = document.getElementById("canvas").getContext("2d");

document.getElementById("button1").addEventListener('focus', function() {
    canvas.beginPath();
    canvas.rect(50, 50, 200, 100);
    canvas.fillStyle = "#ccf";
    canvas.fill();
    canvas.drawFocusIfNeeded(document.getElementById("button1"));

    canvas.beginPath();
    canvas.rect(50, 200, 200, 100);
    canvas.fillStyle = "#cfc";
    canvas.fill();
    canvas.drawFocusIfNeeded(document.getElementById("button2"));
});

document.getElementById("button1").focus();

// The top rect's focus ring is tied to button1, which is focused.
// It should have an outline in some color other than the background color.
var imageData = canvas.getImageData(49, 50, 1, 1);
var data = imageData.data;
shouldBe("data[0] != 0 || data[1] != 0 || data[2] != 0", "true");

// The bottom rect"s focus ring is tied to button2, which is not focused.
imageData = canvas.getImageData(49, 200, 1, 1);
data = imageData.data;
shouldBe("data[0] == 0 && data[1] == 0 && data[2] == 0", "true");
</script>
</body>