<!-- webkit-test-runner [ useFlexibleViewport=true ] -->
<!DOCTYPE html>
<meta charset="utf-8">
<meta name="viewport" content="initial-scale=1, user-scalable=no, width=device-width">
<html>
<head>
    <script src="../../../../resources/js-test.js"></script>
    <script src="../../../../resources/ui-helper.js"></script>
    <style>
        button {
            width: 100%;
            height: 100px;
            position: absolute;
            top: 100px;
            left: 0;
        }
    </style>
</head>
<body>
<button>Double tap here</button>
</body>
<script>
jsTestIsAsync = true;
touchStartCount = 0;
clickCount = 0;

const button = document.querySelector("button");
button.addEventListener("touchstart", () => ++touchStartCount);
button.addEventListener("click", () => {
    testPassed("Clicked");
    ++clickCount;
});

addEventListener("load", async () => {
    description("This test verifies that double-tapping a button dispatches two click events when fast-clicking is active. To manually run the test, double tap the button; two 'Clicked' messages should appear.");

    await UIHelper.humanSpeedDoubleTapAt(50, 150);
    await new Promise(resolve => shouldBecomeEqual("clickCount", "2", resolve));
    shouldBe("touchStartCount", "2");
    finishJSTest();
});
</script>
</html>