237 lines
8.8 KiB
HTML
237 lines
8.8 KiB
HTML
<!doctype html>
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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-block.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. The <iframe> with no
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// query arguments would not preventDefault() any events.
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promise_test(async() => {
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window.scrollTo(0, 0);
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await loadUrlInIframe(iframeElement, url);
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await inject_scroll("down");
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assert_greater_than(window.scrollY, 0, "Page must have scrolled down.");
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await inject_scroll("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': Blocking "touchstart" can block scrolling.
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promise_test(async() => {
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window.scrollTo(0, 0);
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setFeatureState(iframeElement, "vertical-scroll", "*");
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await loadUrlInIframe(iframeElement, url);
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await sendMessageAndGetResponse(iframeElement.contentWindow,
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{
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event_type: "touchstart",
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query: "#blocker",
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prevent: true
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});
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await inject_scroll("down");
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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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}, "Calling 'preventDefault' on 'touchstart' blocks vertical scroll when " +
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" the feature is enabled.");
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// Disable 'vertical-scroll': Blocking "touchstart" cannot block vertical
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// scroll.
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promise_test(async() => {
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window.scrollTo(0, 0);
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setFeatureState(iframeElement, "vertical-scroll", "'none'");
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await loadUrlInIframe(iframeElement, url);
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await sendMessageAndGetResponse(iframeElement.contentWindow,
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{
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event_type: "touchstart",
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query: "#blocker",
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prevent: true
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});
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await inject_scroll("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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// Horizontal scrolling must still be blocked.
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window.scrollTo(0, 0);
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await inject_scroll("right");
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assert_equals(window.scrollX,
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0,
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"Main frame must not scroll horizontally.");
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}, "When feature is disabled, calling 'preventDefault' on 'touchstart' does" +
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" not block vertical scroll, but still bocks horizontal scroll.");
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// Enable 'vertical-scroll': Blocking "touchmove" can block scrolling.
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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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setFeatureState(iframeElement, "vertical-scroll", "*");
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await loadUrlInIframe(iframeElement, url);
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await sendMessageAndGetResponse(iframeElement.contentWindow,
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{
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event_type: "touchmove",
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query: "#blocker",
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prevent: true
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});
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await inject_scroll("down");
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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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}, "Calling 'preventDefault' on 'touchmove' blocks vertical scroll when " +
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"the feature is enabled.");
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// Disable 'vertical-scroll': Blocking "touchmove" cannot block vertical
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// scroll.
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promise_test(async() => {
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window.scrollTo(0, 0);
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setFeatureState(iframeElement, "vertical-scroll", "'none'");
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await loadUrlInIframe(iframeElement, url);
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await sendMessageAndGetResponse(iframeElement.contentWindow,
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{
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event_type: "touchmove",
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query: "#blocker",
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prevent: true
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});
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await new Promise((r) => {
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window.setTimeout(r, 100);
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});
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await inject_scroll("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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}, "When feature is disabled, calling 'preventDefault' on 'touchmove' does" +
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" not block vertical scroll.");
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// Disable 'vertical-scroll': Add a non-preventing handler, and then a
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// preventing handler and verify vertical scroll is possible and horizontal
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// is blocked.
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promise_test(async() => {
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setFeatureState(iframeElement, "vertical-scroll", "'none'");
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await loadUrlInIframe(iframeElement, url);
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// Add a non-blocking handler.
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await sendMessageAndGetResponse(iframeElement.contentWindow,
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{
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event_type: "touchstart",
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query: "#blocker",
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prevent: false
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});
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window.scrollTo(0, 0);
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await inject_scroll("down");
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assert_greater_than(window.scrollY, 0, "Page must have scrolled down.");
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window.scrollTo(0, 0);
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await inject_scroll("right");
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assert_greater_than(window.scrollX, 0, "Page must have scrolled right.");
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// Add a blocking handler.
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await sendMessageAndGetResponse(iframeElement.contentWindow,
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{
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event_type: "touchstart",
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query: "#blocker",
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prevent: true
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});
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window.scrollTo(0, 0);
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await inject_scroll("down");
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assert_greater_than(window.scrollY,
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0,
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"Page must have scrolled down (preventing handler).");
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window.scrollTo(0, 0);
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await inject_scroll("right");
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assert_equals(window.scrollX,
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0,
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"Page must not have scrolled horizontally.");
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}, "Verify that starting with a non-preventing listener and then switching" +
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" to a preventing one works as intended.");
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// Disable 'vertical-scroll': A preventing 'touchstart' handler does not allow
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// other multi-touch actions such as 'pinch-zoom'.
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promise_test(async() => {
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assert_true(!!window.visualViewport,
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"'visualViewport' is needed for this test.");
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setFeatureState(iframeElement, "vertical-scroll", "'none'");
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await loadUrlInIframe(iframeElement, url);
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await sendMessageAndGetResponse(iframeElement.contentWindow,
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{
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event_type: "touchstart",
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query: "#blocker",
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prevent: false
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});
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// Sanity check: Pinch zoom in should work since 'touchstart' is not
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// preventing.
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let current_scale_factor = window.visualViewport.scale;
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await inject_zoom("in");
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let new_scale_factor = window.visualViewport.scale;
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assert_greater_than(
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new_scale_factor,
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current_scale_factor,
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"Pinch zoom should work since 'touchstart' is not prevented.");
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// Add a preventing handler and verify pinch zoom is now blocked.
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await sendMessageAndGetResponse(iframeElement.contentWindow,
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{
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event_type: "touchstart",
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query: "#blocker",
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prevent: true
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});
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current_scale_factor = new_scale_factor;
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await inject_zoom("out");
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new_scale_factor = window.visualViewport.scale;
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assert_equals(
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new_scale_factor,
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current_scale_factor,
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"Pinch zoom must be blocked.");
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}, "Verify that pinch zoom is blocked in frames with 'vertical-scroll' none'" +
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" where 'touchstart' is prevent defaulted.");
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</script>
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