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<!DOCTYPE HTML>
<head>
<title>Canvas test: drawFocusIfNeeded scrolls</title>
<script src="../../resources/js-test.js"></script>
</head>
<body style="padding: 0; margin: 0">
<div style="width: 6500px;">
<div style="float: left; border: 1px solid #000; width: 1000px; height: 300px">
1000-pixel box
</div>
<canvas id="canvas" width="5000" height="300" style="float: left;">
<button id="left_button"></button>
<button id="right_button"></button>
</canvas>
</div>
<script>
if (window.testRunner)
testRunner.dumpAsText();
var canvas = document.getElementById("canvas");
var context = canvas.getContext("2d");
var LEFT_BUTTON_X_POS = 50;
var RIGHT_BUTTON_X_POS = 4750;
function draw() {
context.beginPath();
context.rect(LEFT_BUTTON_X_POS, 50, 200, 100);
context.fillStyle = "#ccf";
context.fill();
context.drawFocusIfNeeded(document.getElementById("left_button"));
context.beginPath();
context.rect(RIGHT_BUTTON_X_POS, 50, 200, 100);
context.fillStyle = "#fcc";
context.fill();
context.drawFocusIfNeeded(document.getElementById("right_button"));
}
document.getElementById("right_button").focus();
window.scrollTo(0, 0);
shouldBe("window.pageXOffset", "0");
draw();
var minXOffset = RIGHT_BUTTON_X_POS + canvas.offsetLeft - window.innerWidth;
var maxXOffset = RIGHT_BUTTON_X_POS + canvas.offsetLeft;
shouldBeGreaterThanOrEqual("window.pageXOffset", "minXOffset");
shouldBeGreaterThanOrEqual("maxXOffset", "window.pageXOffset");
document.getElementById("left_button").focus();
shouldBeGreaterThanOrEqual("window.pageXOffset", "minXOffset");
shouldBeGreaterThanOrEqual("maxXOffset", "window.pageXOffset");
draw();
minXOffset = LEFT_BUTTON_X_POS + canvas.offsetLeft - window.innerWidth;
maxXOffset = LEFT_BUTTON_X_POS + canvas.offsetLeft;
shouldBeGreaterThanOrEqual("window.pageXOffset", "minXOffset");
shouldBeGreaterThanOrEqual("maxXOffset", "window.pageXOffset");
</script>
</body>
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