chromium/third_party/blink/web_tests/fast/dom/Window/window-focus-self.html

<!DOCTYPE html>
<html>
<head>
<script>
function runTest() {
    window.onfocus = windowFocused;
    window.onblur = windowBlurred;

    if (window.testRunner) {
        testRunner.setWindowFocus(false);
        window.open('javascript:window.focus()', '_self', '');
        setTimeout(function() { testRunner.notifyDone(); }, 0);
    }
}

function log(message) {
    var console = document.getElementById("console");
    var li = document.createElement("li");
    var text = document.createTextNode(message);

    console.appendChild(li);
    li.appendChild(text);
}

function windowFocused() {
    log("FAIL: Window was focused");
}

function windowBlurred() {
    log("Window was blurred");
}
</script>
</head>
<body>
    This tests that a window cannot focus itself by using javascript: urls.
    <ul id="console"></ul>
    <script>
    if (window.testRunner) {
        testRunner.waitUntilDone();
        testRunner.dumpAsText();
        // If this test is run on a fresh content shell, its initial focus
        // may deliver a focus event which can race with runTest() above,
        // and result in false failure.  Add some delay to avoid the initial
        // focus event.  See crbug.com/863067 for more background.
        setTimeout(runTest, 100);
    }
    </script>
</body>
</html>