iframe-inner-size-scaling.html | Explore in Territory

<!DOCTYPE html>
<html>
<head>
    <script src="../../resources/js-test.js"></script>
    <script>
        description("This tests that innerWidth/innerHeight on an frame window returns the size of the frame itself in CSS pixels, regardless of page scale.");
        window.jsTestIsAsync = true;

        function runTest() {
            frame = document.getElementById('iframe');
            originalWidth = frame.contentWindow.innerWidth;
            originalHeight = frame.contentWindow.innerHeight;

            if (window.internals)
                internals.setPageScaleFactor(2);

            shouldBeNonZero("frame.contentWindow.innerWidth");
            shouldBeNonZero("frame.contentWindow.innerHeight");
            shouldBe("frame.contentWindow.innerWidth", "originalWidth");
            shouldBe("frame.contentWindow.innerHeight", "originalHeight");
            finishJSTest();
        }

        window.onload = function() {
          // We must use setTimeout since the innerWidth/innerHeight are not yet valid for the iframe.
          window.setTimeout(runTest, 0);
        }
    </script>
</head>
<body style="width: 1000px; height: 1000px">
    <iframe id="iframe" style="width: 100%; height: 100%;"></iframe>
</body>
</html>
chromium/third_party/blink/web_tests/fast/dom/iframe-inner-size-scaling.html
