103 lines
3 KiB
HTML
103 lines
3 KiB
HTML
<!doctype html>
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<meta name="timeout" content="long">
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<title>vertical-scroll test for touch-action</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="/permissions-policy/experimental-features/resources/common.js"></script>
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<script src="/permissions-policy/experimental-features/resources/vertical-scroll.js"></script>
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<style>
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html, body {
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height: 100%;
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width: 100%;
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}
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iframe {
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width: 90%;
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height: 90%;
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margin: 0;
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padding: 0;
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}
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.spacer {
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width: 100%;
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height: 100%;
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margin: 100%;
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}
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</style>
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<iframe></iframe>
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<br/>
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<p>Spacers below to make page scrollable</p>
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<br/>
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<div class="spacer"></div>
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<div class="spacer"></div>
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<p> EOF </p>
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<script>
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"use strict";
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let url = url_base + "vertical-scroll-touch-action.html";
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let iframeElement = document.querySelector("iframe");
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// Wait for the helper scripts to load.
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promise_test(async() => {
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if (window.input_api_ready)
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return Promise.resolve();
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await new Promise( (r) => {
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window.resolve_on_input_api_ready = r;
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});
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}, "Make sure input injection API is ready.");
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// Sanity-check: Verify we can scroll using the test-API (empty <iframe>).
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promise_test(async() => {
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window.scrollTo(0, 0);
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await inject_input("down");
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assert_greater_than(window.scrollY, 0, "Page must have scrolled down.");
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await inject_input("right");
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assert_greater_than(window.scrollX, 0, "Page must have scrolled right.");
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}, "Verify that the page normally scrolls.");
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// Enable 'vertical-scroll': "touch-action" should be able to block scroll.
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promise_test(async() => {
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// Make sure <window> can scroll both towards right and bottom.
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window.scrollTo(0, 0);
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await loadUrlInIframe(iframeElement, url);
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// Apply the scroll gesture.
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await inject_input("down");
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// The scroll should normally bubble and affect this page, but the <iframe>
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// is allowed to block it.
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assert_equals(window.scrollY,
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0,
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"Main frame must not scroll vertically");
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}, "Vertical scrolling through 'touch-action' can normally be blocked if" +
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" 'pan-y' is not present.");
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// Disable 'vertical-scroll': "touch-action" should not be able to block
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// scroll.
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promise_test(async() => {
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window.scrollTo(0, 0);
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// Disallow vertical scroll and reload the <iframe>.
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setFeatureState(iframeElement, "vertical-scroll", "'none'");
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await loadUrlInIframe(iframeElement, url);
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// Apply the scroll gesture. Main frame should scroll vertically.
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await inject_input("down");
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assert_greater_than(window.scrollY,
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0,
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"Main frame must scroll vertically.");
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window.scrollTo(0, 0);
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await inject_input("right");
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assert_equals(
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window.scrollX,
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0,
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"'pan-x' can be blocked even when 'vertical-scroll' is disabled");
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}, "Vertical scrolling (and only vertical scrolling) through 'touch-action'" +
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" cannot be blocked by a disabled frame.");
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</script>
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