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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
| commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
| tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /docshell/test/chrome/test_bug453650.xhtml | |
| parent | Initial commit. (diff) | |
| download | thunderbird-upstream.tar.xz thunderbird-upstream.zip | |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'docshell/test/chrome/test_bug453650.xhtml')
| -rw-r--r-- | docshell/test/chrome/test_bug453650.xhtml | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/docshell/test/chrome/test_bug453650.xhtml b/docshell/test/chrome/test_bug453650.xhtml new file mode 100644 index 0000000000..2283e29206 --- /dev/null +++ b/docshell/test/chrome/test_bug453650.xhtml @@ -0,0 +1,120 @@ +<?xml version="1.0"?> +<?xml-stylesheet type="text/css" href="chrome://global/skin"?> +<?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=453650 +--> +<window title="Mozilla Bug 453650" + xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"> + + <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script> + + <!-- test code goes here --> + <script type="application/javascript"> + <![CDATA[ + + /** Test for Bug 453650 */ + SimpleTest.waitForExplicitFinish(); + + var iter = runTests(); + nextTest(); + + function* runTests() { + var iframe = document.createXULElement("iframe"); + iframe.style.width = "300px"; + iframe.style.height = "300px"; + iframe.setAttribute("src", "data:text/html,<h1 id='h'>hello</h1>"); + + document.documentElement.appendChild(iframe); + yield whenLoaded(iframe); + info("iframe loaded"); + + var h1 = iframe.contentDocument.getElementById("h"); + let myCallback = function() { h1.style.width = "400px"; }; + info("Calling waitForInterruptibleReflow"); + yield waitForInterruptibleReflow(iframe.docShell, myCallback); + info("got past top-level waitForInterruptibleReflow"); + + myCallback = function() { h1.style.width = "300px"; }; + info("Calling waitForReflow"); + waitForReflow(iframe.docShell, myCallback); + info("got past top-level waitForReflow"); + yield is(300, h1.offsetWidth, "h1 has correct width"); + + SimpleTest.finish(); + } + + function waitForInterruptibleReflow(docShell, + callbackThatShouldTriggerReflow) { + waitForReflow(docShell, callbackThatShouldTriggerReflow, true); + } + + function waitForReflow(docShell, callbackThatShouldTriggerReflow, + interruptible = false) { + info("Entering waitForReflow"); + function done() { + info("Entering done (inside of waitForReflow)"); + + docShell.removeWeakReflowObserver(observer); + SimpleTest.executeSoon(nextTest); + } + + var observer = { + reflow (start, end) { + info("Entering observer.reflow"); + if (interruptible) { + ok(false, "expected interruptible reflow"); + } else { + ok(true, "observed uninterruptible reflow"); + } + + info("times: " + start + ", " + end); + ok(start <= end, "reflow start time lower than end time"); + done(); + }, + + reflowInterruptible (start, end) { + info("Entering observer.reflowInterruptible"); + if (!interruptible) { + ok(false, "expected uninterruptible reflow"); + } else { + ok(true, "observed interruptible reflow"); + } + + info("times: " + start + ", " + end); + ok(start <= end, "reflow start time lower than end time"); + done(); + }, + + QueryInterface: ChromeUtils.generateQI([ + "nsIReflowObserver", + "nsISupportsWeakReference", + ]), + }; + + info("waitForReflow is adding a reflow observer"); + docShell.addWeakReflowObserver(observer); + callbackThatShouldTriggerReflow(); + } + + function whenLoaded(iframe) { + info("entering whenLoaded"); + iframe.addEventListener("load", function() { + SimpleTest.executeSoon(nextTest); + }, { once: true }); + } + + function nextTest() { + info("entering nextTest"); + iter.next(); + } + + ]]> + </script> + + <!-- test results are displayed in the html:body --> + <body xmlns="http://www.w3.org/1999/xhtml"> + <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=453650" + target="_blank">Mozilla Bug 453650</a> + </body> +</window> |