зеркало из https://github.com/mozilla/gecko-dev.git
142 строки
4.6 KiB
HTML
142 строки
4.6 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=1222633
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-->
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<head>
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<title>Test for Bug 1222633</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1222633">Mozilla Bug 1222633</a>
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<p id="display"></p>
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<div id="content" style="display: none"></div>
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<script class="testbody" type="text/javascript">
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/** Test for Bug 1222633 **/
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// Test changing as attribute from an empty value to "foo" to "image". The empty value and "foo" will
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// not trigger any event and "image" should trigger an load event.
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function testPreloadEventAsAttributeChange(url) {
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return new Promise((resolve) => {
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var link = document.createElement("LINK");
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link.setAttribute("rel", "preload");
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link.setAttribute("href", url);
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link.addEventListener("load", () => {
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ok(link.as == "image", "Only image will trigger a load event");
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link.remove();
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resolve();
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});
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link.addEventListener("error", () => {
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ok(false, "We should not get an error event.");
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});
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document.head.appendChild(link);
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link.setAttribute("as", "foo");
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link.setAttribute("as", "image");
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});
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}
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function testPreloadEventAttributeChange(url, attr, value1, value2, expectLoad1, expectLoad2) {
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return new Promise((resolve) => {
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var count = 0;
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var link = document.createElement("LINK");
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link.setAttribute("rel", "preload");
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link.setAttribute("href", url);
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link.setAttribute("as", "image");
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link.setAttribute(attr, value1);
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link.addEventListener("load", () => {
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count++;
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if (count == 1) {
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ok(expectLoad1, "expecting first load event for " + url);
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link.setAttribute(attr, value2);
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} else {
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ok(expectLoad2, "expecting second load event for " + url);
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}
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if (count == 2) {
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link.remove();
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resolve();
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}
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});
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link.addEventListener("error", () => {
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count++;
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if (count == 1) {
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ok(!expectLoad1, "expecting first error event for " + url);
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link.setAttribute(attr, value2);
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} else {
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ok(!expectLoad2, "expecting second error event for " + url);
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}
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if (count == 2) {
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link.remove();
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resolve();
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}
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});
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document.head.appendChild(link);
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});
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}
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function testPreloadEventSetCrossOrigin(url) {
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return new Promise((resolve) => {
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var link = document.createElement("LINK");
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link.setAttribute("rel", "preload");
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link.setAttribute("href", url);
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link.setAttribute("as", "fetch");
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count = 0;
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link.addEventListener("load", () => {
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count++;
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if ((count == 1) || (count == 3) || (count == 5)) {
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ok(true, "expecting " + count + ". load event for " + url);
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} else {
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ok(false, "expecting " + count + ". event for " + url);
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}
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if ((count == 1) || (count == 3)) {
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link.setAttribute("crossorigin", "");
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} else {
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link.remove();
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resolve();
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}
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});
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link.addEventListener("error", () => {
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count++;
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if ((count == 2) || (count == 4)) {
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ok(true, "expecting " + count + ". error event for " + url);
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} else {
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ok(false, "expecting " + count + ". error event for " + url);
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}
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link.removeAttribute("crossorigin");
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});
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document.head.appendChild(link);
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});
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}
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const SJS_PATH = window.location.pathname.replace(/[^/]+$/, "file_bug1268962.sjs");
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const SAME_ORIGIN = "http://mochi.test:8888" + SJS_PATH;
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const CROSS_ORIGIN = "http://example.com" + SJS_PATH;
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SimpleTest.waitForExplicitFinish();
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SpecialPowers.pushPrefEnv({"set": [["network.preload", true]]})
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// Test changing as parameter from a wrong to a correct one.
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.then(() => testPreloadEventAsAttributeChange(SAME_ORIGIN + "?statusCode=200&cacheControl=max-age%3D120"))
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// Test changing type parameter from a wrong to a correct one for given as parameter.
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.then(() => testPreloadEventAttributeChange(SAME_ORIGIN + "?statusCode=200&cacheControl=max-age%3D120", "type", "text/vtt", "image/png", false, true))
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// Test changing media parameter from a wrong to a correct one.
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.then(() => testPreloadEventAttributeChange(SAME_ORIGIN + "?statusCode=200&cacheControl=max-age%3D120", "media", "foo", "all", false, true))
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// Test changing crossorigin parameter.
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.then(() => testPreloadEventSetCrossOrigin(CROSS_ORIGIN + "?statusCode=404&cacheControl=max-age%3D120&allowOrigin=*"))
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.catch((err) => ok(false, "promise rejected: " + err))
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.then(() => SimpleTest.finish());
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</script>
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</body>
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</html>
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