diff options
| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /dom/tests/mochitest/webcomponents/test_link_prefetch.html | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/tests/mochitest/webcomponents/test_link_prefetch.html')
| -rw-r--r-- | dom/tests/mochitest/webcomponents/test_link_prefetch.html | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/dom/tests/mochitest/webcomponents/test_link_prefetch.html b/dom/tests/mochitest/webcomponents/test_link_prefetch.html new file mode 100644 index 000000000..824b9e5ff --- /dev/null +++ b/dom/tests/mochitest/webcomponents/test_link_prefetch.html @@ -0,0 +1,110 @@ +<!DOCTYPE HTML> +<html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=580313 +--> +<head> + <title>Test Prefetch (bug 580313)</title> + <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> +</head> +<body> +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=580313">Mozilla Bug 580313</a> +<p id="display"></p> +<div id="content" style="display: none"> + +</div> +<pre id="test"> +<script type="application/javascript"> + + SimpleTest.waitForExplicitFinish(); + + var prefetch = SpecialPowers.Cc["@mozilla.org/prefetch-service;1"]. + getService(SpecialPowers.Ci.nsIPrefetchService); + var ios = SpecialPowers.Cc["@mozilla.org/network/io-service;1"]. + getService(SpecialPowers.Ci.nsIIOService); + + is(prefetch.hasMoreElements(), false, "No prefetches at the test start."); + + var linkElem = document.createElement('link'); + linkElem.rel = "prefetch"; + + // Href is empty. + document.head.appendChild(linkElem); + is(prefetch.hasMoreElements(), false, + "If href is not a valid uri, a prefetch has not been started."); + + // Change uri of an existing link. Now it is a valid uri and + // a prefetch should start. + linkElem.href = "https://example.com/1"; + is(prefetch.hasMoreElements(), true, + "Setting the href to a valid uri has started a new prefetch."); + + // Removing a link, removes its prefetch. + document.head.removeChild(linkElem); + is(prefetch.hasMoreElements(), false, + "Removing the link has canceled the prefetch."); + + // Add link again. + document.head.appendChild(linkElem); + is(prefetch.hasMoreElements(), true, + "Adding link again, has started the prefetch again."); + + // Changing the href should cancel the current prefetch. + linkElem.href = "https://example.com/2"; + is(prefetch.hasMoreElements(), true, + "Changing href, a new prefetch has been started."); + // To check if "https://example.com/1" prefetch has been canceled, we try to + // cancel it using PrefetService. Since the prefetch for + // "https://example.com/1" does not exist, the cancel will throw. + var cancelError = 0; + try { + var uri = ios.newURI("https://example.com/1", null, null); + prefetch.cancelPrefetchURI(uri, linkElem); + } catch(e) { + cancelError = 1; + } + is(cancelError, 1, "This prefetch has aleady been canceled"); + + // Now cancel the right uri. + cancelError = 0; + try { + var uri = ios.newURI("https://example.com/2", null, null); + prefetch.cancelPrefetchURI(uri, linkElem); + } catch(e) { + cancelError = 1; + } + is(cancelError, 0, "This prefetch has been canceled successfully"); + + is(prefetch.hasMoreElements(), false, "The prefetch has already been canceled."); + + // Removing the link will do nothing regarding prefetch service. + document.head.removeChild(linkElem); + + // Adding two links to the same uri and removing one will not remove the other. + document.head.appendChild(linkElem); + is(prefetch.hasMoreElements(), true, + "Added one prefetch for 'https://example.com/2'."); + + var linkElem2 = document.createElement('link'); + linkElem2.rel = "prefetch"; + linkElem2.href = "https://example.com/2"; + document.head.appendChild(linkElem2); + is(prefetch.hasMoreElements(), true, + "Added second prefetch for 'https://example.com/2'."); + + // Remove first link element. This should not remove the prefetch. + document.head.removeChild(linkElem); + is(prefetch.hasMoreElements(), true, + "The prefetch for 'https://example.com/2' is still present."); + + // Remove the second link element. This should remove the prefetch. + document.head.removeChild(linkElem2); + is(prefetch.hasMoreElements(), false, + "There is no prefetch."); + + SimpleTest.finish(); +</script> +</pre> +</body> +</html> |