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Diffstat (limited to 'testing/web-platform/tests/html/semantics/embedded-content/the-iframe-element/iframe-allowfullscreen.html')
-rw-r--r-- | testing/web-platform/tests/html/semantics/embedded-content/the-iframe-element/iframe-allowfullscreen.html | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/embedded-content/the-iframe-element/iframe-allowfullscreen.html b/testing/web-platform/tests/html/semantics/embedded-content/the-iframe-element/iframe-allowfullscreen.html new file mode 100644 index 0000000000..9fc285bf3e --- /dev/null +++ b/testing/web-platform/tests/html/semantics/embedded-content/the-iframe-element/iframe-allowfullscreen.html @@ -0,0 +1,95 @@ +<!doctype html> +<meta charset=utf-8> +<title>Check how allowfullscreen affects fullscreen enabled flag</title> +<link rel="author" title="Xidorn Quan" href="https://www.upsuper.org"> +<link rel="author" title="Mozilla" href="https://www.mozilla.org"> +<link rel="help" href="https://html.spec.whatwg.org/multipage/browsing-the-web.html#initialise-the-document-object"> +<link rel="help" href="https://fullscreen.spec.whatwg.org/#fullscreen-enabled-flag"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> + +<div id="log"></div> +<script> + // This returns a data URL (cross-origin with the containing document) which + // advances a counter, and reports the counter value together with the + // document's fullscreenEnabled state, every time it receives a postMessage. + function getSourceForCrossOriginPage(initial_count) { + var page_contents = "<html><body><script>var count="+initial_count+";window.addEventListener('message',function(){parent.postMessage({'count':count++,'fullscreenEnabled':document.fullscreenEnabled},'*');});</scr"+"ipt></body></html>"; + return "data:text/html;base64,"+btoa(page_contents); + } + + async_test(function(t) { + var iframe = document.createElement("iframe"); + iframe.src = "support/blank.htm"; + var eventWatcher = new EventWatcher(t, iframe, "load"); + document.body.appendChild(iframe); + t.add_cleanup(function() { + document.body.removeChild(iframe); + }); + + assert_true(document.fullscreenEnabled, "Top level document has fullscreen enabled flag set"); + eventWatcher.wait_for("load").then(t.step_func_done(function() { + assert_true(iframe.contentDocument.fullscreenEnabled, "Document inside same-origin iframe without allowfullscreen attribute should still have fullscreen enabled flag set"); + })); + }, "iframe-same-origin-allowfullscreen"); + + async_test(function(t) { + var iframe = document.createElement("iframe"); + iframe.src = getSourceForCrossOriginPage(0); + + iframe.addEventListener('load', function() { + // Request the fullscreenEnabled state whenever the frame loads + iframe.contentWindow.postMessage(true,"*"); + }); + + window.addEventListener('message', this.step_func(function(msg) { + if (msg.data.count == 0) { + assert_false(msg.data.fullscreenEnabled, "Document inside cross-origin iframe without allowfullscreen attribute should not have fullscreen enabled flag set"); + iframe.setAttribute("allowfullscreen", ""); + iframe.contentWindow.postMessage(true,"*"); // Request state again + } else if (msg.data.count == 1) { + assert_false(msg.data.fullscreenEnabled, "Fullscreen should be denied when allowfullscreen attribute is added, before reload"); + iframe.src = getSourceForCrossOriginPage(2); // Reload the frame + } else if (msg.data.count == 2) { + assert_true(msg.data.fullscreenEnabled, "Fullscreen should be allowed when allowfullscreen attribute is added, after reload"); + iframe.removeAttribute("allowfullscreen"); + iframe.contentWindow.postMessage(true,"*"); // Request state again + } else if (msg.data.count == 3) { + assert_true(msg.data.fullscreenEnabled, "Fullscreen should be allowed when allowfullscreen attribute is removed, before reload"); + iframe.src = getSourceForCrossOriginPage(4); // Reload the frame + } else if (msg.data.count == 4) { + assert_false(msg.data.fullscreenEnabled, "Fullscreen should be denied when allowfullscreen attribute is removed, after reload"); + t.done(); + } + })); + + document.body.appendChild(iframe); + t.add_cleanup(function() { + document.body.removeChild(iframe); + }); + }, "iframe-cross-origin-allowfullscreen"); + + /* Fullscreen enabled flag with about:blank */ + + function test_allowfullscreen_noload(setup_iframe, check) { + var iframe = document.createElement("iframe"); + setup_iframe(iframe); + document.body.appendChild(iframe); + check(iframe.contentDocument); + document.body.removeChild(iframe); + } + + test(function() { + test_allowfullscreen_noload(function() {}, function(doc) { + assert_true(doc.fullscreenEnabled, "Fullscreen should still be enabled in same-origin document without allowfullscreen attribute"); + }); + }, "iframe-noload-noallowfullscreen"); + + test(function() { + test_allowfullscreen_noload(function(iframe) { + iframe.setAttribute("allowfullscreen", true); + }, function(doc) { + assert_true(doc.fullscreenEnabled, "Fullscreen should be enabled with allowfullscreen attribute"); + }); + }, "iframe-noload-allowfullscreen"); +</script> |