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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=147777
+-->
+<head>
+ <title>Test for Bug 147777</title>
+ <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <script type="application/javascript" src="/tests/SimpleTest/WindowSnapshot.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=147777">Mozilla Bug 147777</a>
+<pre id="test">
+<script type="application/javascript">
+
+/** Test for Bug 147777 **/
+
+// Because link-coloring for visited links is asynchronous, running
+// reftests that involve link coloring requires that we poll for the
+// correct result until all links are styled correctly.
+
+// A requirement of these reftests is that the reference rendering is
+// styled correctly when loaded. We only poll for the tests.
+
+var gTests = [
+ // there's also an implicit "load visited-page.html" at the start,
+ // thanks to the code below.
+
+ // IMPORTANT NOTE: For these tests, the test and reference are not
+ // snapshotted in the same way. The REFERENCE (second file) is
+ // assumed to be complete when loaded, but we poll for visited link
+ // coloring on the TEST (first file) until the test passes.
+ "== pseudo-classes-02.svg pseudo-classes-02-ref.svg",
+ "!= color-on-link-1-ref.html color-on-visited-1-ref.html",
+ "== color-on-link-1.html color-on-link-1-ref.html",
+ "== color-on-link-before-1.html color-on-link-1-ref.html",
+ "== color-on-visited-1.html color-on-visited-1-ref.html",
+ "== color-on-visited-before-1.html color-on-visited-1-ref.html",
+ "!= content-color-on-link-before-1-ref.html content-color-on-visited-before-1-ref.html",
+ "== content-color-on-link-before-1.html content-color-on-link-before-1-ref.html",
+ "== content-color-on-visited-before-1.html content-color-on-visited-before-1-ref.html",
+ "== content-on-link-before-1.html content-before-1-ref.html",
+ "== content-on-visited-before-1.html content-before-1-ref.html",
+ "== color-on-text-decoration-1.html color-on-text-decoration-1-ref.html",
+ "== color-on-bullets-1.html color-on-bullets-1-ref.html",
+ // NOTE: background-color is tested by all the selector tests (and
+ // also color-choice-1) and therefore doesn't have its own tests.
+ // FIXME: Maybe add a test for selection colors (foreground and
+ // background), if possible.
+ "== width-on-link-1.html width-1-ref.html",
+ "== width-on-visited-1.html width-1-ref.html",
+ "== border-1.html border-1-ref.html",
+ "== border-2a.html border-2-ref.html",
+ "== border-2b.html border-2-ref.html",
+ // FIXME: Commented out because of dynamic change handling bugs in
+ // border-collapse tables that mean we get an incorrect rendering when
+ // the asynchronous restyle-from-history arrives.
+ //"== border-collapse-1.html border-collapse-1-ref.html",
+ "== outline-1.html outline-1-ref.html",
+ "== column-rule-1.html column-rule-1-ref.html",
+ "!= column-rule-1.html column-rule-1-notref.html",
+ "== color-choice-1.html color-choice-1-ref.html",
+ "== selector-descendant-1.html selector-descendant-1-ref.html",
+ "== selector-descendant-2.xhtml selector-descendant-2-ref.xhtml",
+ "== selector-child-1.html selector-child-1-ref.html",
+ "== selector-child-2.xhtml selector-child-2-ref.xhtml",
+ "== selector-adj-sibling-1.html selector-adj-sibling-1-ref.html",
+ "== selector-adj-sibling-2.html selector-adj-sibling-2-ref.html",
+ "== selector-any-sibling-1.html selector-any-sibling-1-ref.html",
+ "== selector-any-sibling-2.html selector-any-sibling-2-ref.html",
+ "== subject-of-selector-descendant-1.html subject-of-selector-1-ref.html",
+ "== subject-of-selector-descendant-2.xhtml subject-of-selector-descendant-2-ref.xhtml",
+ "== subject-of-selector-child-1.html subject-of-selector-1-ref.html",
+ "== subject-of-selector-adj-sibling-1.html subject-of-selector-1-ref.html",
+ "== subject-of-selector-any-sibling-1.html subject-of-selector-1-ref.html",
+ "== inherit-keyword-1.xhtml inherit-keyword-1-ref.html",
+ "!= svg-image-visited-1-helper.svg lime100x100.svg",
+ "!= svg-image-visited-2-helper.svg lime100x100.svg",
+ // FIXME: commented out because dynamic changes on the non-first-line
+ // part of the test don't work right when the link becomes visited.
+ //"== first-line-1.html first-line-1-ref.html",
+ "== white-to-transparent-1.html white-to-transparent-1-ref.html",
+ "== link-root-1.xhtml link-root-1-ref.xhtml",
+ "== mathml-links.html mathml-links-ref.html",
+];
+
+// Maintain a reference count of how many things we're waiting for until
+// we can say the tests are done.
+var gDelayCount = 0;
+function AddFinishDependency()
+ { ++gDelayCount; }
+function RemoveFinishDependency()
+ { if (--gDelayCount == 0) SimpleTest.finish(); }
+
+// We record the maximum number of times we had to look at a test before
+// it switched to the passing state (though we assume it's 10 to start
+// rather than 0 so that we have a reasonable default). Then we make a
+// test "time out" if it takes more than gTimeoutFactor times that
+// amount of time. This allows us to report a test failure rather than
+// making a test failure just show up as a timeout.
+var gMaxPassingTries = 10;
+var gTimeoutFactor = 10;
+
+function loadVisitedPage()
+{
+ var element = document.createElement("iframe");
+ element.addEventListener("load", visitedPageLoad, false);
+ element.src = "css-visited/visited-page.html";
+ document.body.appendChild(element);
+ AddFinishDependency();
+}
+
+function visitedPageLoad()
+{
+ for (var i = 0; i < gTests.length; ++i) {
+ startTest(i);
+ }
+ RemoveFinishDependency();
+}
+
+function takeSnapshot(iframe_element)
+{
+ return snapshotWindow(iframe_element.contentWindow, false);
+}
+
+function passes(op, shot1, shot2)
+{
+ var [correct, s1, s2] = compareSnapshots(shot1, shot2, op == "==");
+ return correct;
+}
+
+function startTest(i)
+{
+ var testLine = gTests[i];
+ var splitData = testLine.split(" ");
+ var testData =
+ { op: splitData[0], test: splitData[1], reference: splitData[2] };
+ var tries = 0;
+
+ // Maintain state specific to this test in the closure exposed to all
+ // the functions nested inside this one.
+
+ function startIframe(url)
+ {
+ var element = document.createElement("iframe");
+ element.addEventListener("load", handleLoad, false);
+ // smaller than normal reftests, but enough for these
+ element.setAttribute("style", "width: 30em; height: 10em");
+ element.src = "css-visited/" + url;
+ document.body.appendChild(element);
+ function handleLoad(event)
+ {
+ iframe.loaded = true;
+ if (iframe == reference) {
+ reference.snapshot = takeSnapshot(element);
+ }
+ var other = (iframe == test) ? reference : test;
+ if (other.loaded) {
+ // Always wait at least 100ms, so that any test that switches
+ // from passing to failing when the asynchronous link coloring
+ // happens should fail at least some of the time.
+ setTimeout(checkTest, 100);
+ }
+ }
+ function checkTest()
+ {
+ var test_snapshot = takeSnapshot(test.element);
+ if (passes(testData.op, test_snapshot, reference.snapshot)) {
+ if (tries > gMaxPassingTries) {
+ gMaxPassingTries = tries;
+ }
+ report(true);
+ } else {
+ ++tries;
+ if (tries > gMaxPassingTries * gTimeoutFactor) {
+ info("Giving up after " + tries + " tries, " +
+ "maxp=" + gMaxPassingTries +
+ "fact=" + gTimeoutFactor);
+ report(false);
+ } else {
+ // Links might not have been colored yet. Try again in 100ms.
+ setTimeout(checkTest, 100);
+ }
+ }
+ }
+ function report(result)
+ {
+ ok(result, "(" + i + ") " +
+ testData.op + " " + testData.test + " " + testData.reference);
+ RemoveFinishDependency();
+ }
+ var iframe = { element: element, loaded: false };
+
+ return iframe;
+ }
+
+ AddFinishDependency();
+ var test = startIframe(testData.test);
+ var reference = startIframe(testData.reference);
+}
+
+SimpleTest.waitForExplicitFinish();
+SimpleTest.requestFlakyTimeout("untriaged");
+loadVisitedPage();
+
+</script>
+</pre>
+</body>
+</html>
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-15 07:42:00 +0000