зеркало из https://github.com/mozilla/gecko-dev.git
195 строки
7.8 KiB
HTML
195 строки
7.8 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=147777
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-->
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<head>
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<title>Test for Bug 147777</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="application/javascript" src="/tests/SimpleTest/WindowSnapshot.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=147777">Mozilla Bug 147777</a>
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<pre id="test">
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<script type="application/javascript">
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/** Test for Bug 147777 **/
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// Because link-coloring for visited links is asynchronous, running
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// reftests that involve link coloring requires that we poll for the
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// correct result until all links are styled correctly.
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// A requirement of these reftests is that the reference rendering is
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// styled correctly when loaded. We only poll for the tests.
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var gTests = [
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// there's also an implicit "load visited-page.html" at the start,
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// thanks to the code below.
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// IMPORTANT NOTE: For these tests, the test and reference are not
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// snapshotted in the same way. The REFERENCE (second file) is
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// assumed to be complete when loaded, but we poll for visited link
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// coloring on the TEST (first file) until the test passes.
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"== pseudo-classes-02.svg pseudo-classes-02-ref.svg",
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"needs-focus == caret-color-on-visited-1.html caret-color-on-visited-1-ref.html",
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"!= color-on-link-1-ref.html color-on-visited-1-ref.html",
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"== color-on-link-1.html color-on-link-1-ref.html",
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"== color-on-link-before-1.html color-on-link-1-ref.html",
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"== color-on-visited-1.html color-on-visited-1-ref.html",
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"== color-on-visited-before-1.html color-on-visited-1-ref.html",
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"== color-on-visited-text-1.html color-on-visited-text-1-ref.html",
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"!= content-color-on-link-before-1-ref.html content-color-on-visited-before-1-ref.html",
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"== content-color-on-link-before-1.html content-color-on-link-before-1-ref.html",
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"== content-color-on-visited-before-1.html content-color-on-visited-before-1-ref.html",
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"== content-on-link-before-1.html content-before-1-ref.html",
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"== content-on-visited-before-1.html content-before-1-ref.html",
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"== color-on-text-decoration-1.html color-on-text-decoration-1-ref.html",
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"== color-on-bullets-1.html color-on-bullets-1-ref.html",
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// NOTE: background-color is tested by all the selector tests (and
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// also color-choice-1) and therefore doesn't have its own tests.
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// FIXME: Maybe add a test for selection colors (foreground and
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// background), if possible.
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"== width-on-link-1.html width-1-ref.html",
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"== width-on-visited-1.html width-1-ref.html",
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"== border-1.html border-1-ref.html",
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"== border-2a.html border-2-ref.html",
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"== border-2b.html border-2-ref.html",
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// FIXME: Commented out because of dynamic change handling bugs in
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// border-collapse tables that mean we get an incorrect rendering when
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// the asynchronous restyle-from-history arrives.
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//"== border-collapse-1.html border-collapse-1-ref.html",
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"== outline-1.html outline-1-ref.html",
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"== column-rule-1.html column-rule-1-ref.html",
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"!= column-rule-1.html column-rule-1-notref.html",
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"== color-choice-1.html color-choice-1-ref.html",
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"== selector-descendant-1.html selector-descendant-1-ref.html",
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"== selector-descendant-2.xhtml selector-descendant-2-ref.xhtml",
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"== selector-child-1.html selector-child-1-ref.html",
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"== selector-child-2.xhtml selector-child-2-ref.xhtml",
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"== selector-adj-sibling-1.html selector-adj-sibling-1-ref.html",
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"== selector-adj-sibling-2.html selector-adj-sibling-2-ref.html",
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"== selector-any-sibling-1.html selector-any-sibling-1-ref.html",
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"== selector-any-sibling-2.html selector-any-sibling-2-ref.html",
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"== subject-of-selector-descendant-1.html subject-of-selector-1-ref.html",
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"== subject-of-selector-descendant-2.xhtml subject-of-selector-descendant-2-ref.xhtml",
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"== subject-of-selector-child-1.html subject-of-selector-1-ref.html",
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"== subject-of-selector-adj-sibling-1.html subject-of-selector-1-ref.html",
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"== subject-of-selector-any-sibling-1.html subject-of-selector-1-ref.html",
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"== inherit-keyword-1.xhtml inherit-keyword-1-ref.html",
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"!= svg-image-visited-1-helper.svg lime100x100.svg",
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"!= svg-image-visited-2-helper.svg lime100x100.svg",
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// FIXME: commented out because dynamic changes on the non-first-line
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// part of the test don't work right when the link becomes visited.
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//"== first-line-1.html first-line-1-ref.html",
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"== white-to-transparent-1.html white-to-transparent-1-ref.html",
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"== link-root-1.xhtml link-root-1-ref.xhtml",
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"== mathml-links.html mathml-links-ref.html",
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"== placeholder-1.html placeholder-1-ref.html",
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"== visited-inherit-1.html visited-inherit-1-ref.html",
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"== transition-on-visited.html transition-on-visited-ref.html"
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];
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// We record the maximum number of times we had to look at a test before
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// it switched to the passing state (though we assume it's 10 to start
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// rather than 0 so that we have a reasonable default). Then we make a
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// test "time out" if it takes more than gTimeoutFactor times that
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// amount of time. This allows us to report a test failure rather than
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// making a test failure just show up as a timeout.
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var gMaxPassingTries = 10;
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var gTimeoutFactor = 10;
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function startIframe(url) {
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return new Promise(resolve => {
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var element = document.createElement("iframe");
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element.addEventListener("load", () => {
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element.contentDocument.fonts.ready.then(() => {
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resolve(element.contentWindow);
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});
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}, {once: true});
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// smaller than normal reftests, but enough for these
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element.setAttribute("style", "width: 30em; height: 10em");
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element.src = "css-visited/" + url;
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document.body.appendChild(element);
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});
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}
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async function runTests() {
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SimpleTest.waitForExplicitFinish();
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SimpleTest.requestFlakyTimeout("async link coloring");
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// Set caret to a known size, for tests of :visited caret-color styling
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await SpecialPowers.pushPrefEnv({'set': [['ui.caretWidth', 16]]});
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await startIframe("visited-page.html");
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await Promise.all(gTests.map(runTest));
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SimpleTest.finish();
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}
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function passes(equal, shot1, shot2)
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{
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let [correct] = compareSnapshots(shot1, shot2, equal);
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return correct;
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}
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function waitFor100ms() {
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return new Promise(resolve => setTimeout(resolve, 100));
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}
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async function runTest(testLine) {
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let splitData = testLine.split(" ");
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let isEqual;
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let needsFocus = false;
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while (true) {
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let op = splitData.shift();
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if (op == "needs-focus") {
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needsFocus = true;
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} else if (op == "==" || op == "!=") {
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isEqual = op == "==";
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break;
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} else {
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ok(false, "Unknown syntax");
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return;
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}
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}
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let [testFile, refFile] = splitData;
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let promiseTestWin = startIframe(testFile);
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let promiseRefWin = startIframe(refFile);
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let refSnapshot = snapshotWindow(await promiseRefWin);
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let testWindow = await promiseTestWin;
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// Always wait at least 100ms, so that any test that switches
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// from passing to failing when the asynchronous link coloring
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// happens should fail at least some of the time.
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await waitFor100ms();
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let tries;
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let testSnapshot;
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for (tries = 0; tries < gMaxPassingTries * gTimeoutFactor; ++tries) {
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if (needsFocus) {
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await SimpleTest.promiseFocus(testWindow, false);
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}
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testSnapshot = snapshotWindow(testWindow, true);
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if (passes(isEqual, testSnapshot, refSnapshot)) {
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if (tries > gMaxPassingTries) {
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gMaxPassingTries = tries;
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}
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break;
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}
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// Links might not have been colored yet. Try again in 100ms.
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await waitFor100ms();
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}
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let result = assertSnapshots(testSnapshot, refSnapshot,
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isEqual, null, testFile, refFile);
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if (!result) {
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info(`Gave up after ${tries} tries, ` +
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`maxp=${gMaxPassingTries}, fact=${gTimeoutFactor}`);
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}
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}
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runTests();
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</script>
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</pre>
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</body>
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</html>
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