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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /parser/htmlparser/tests/mochitest/file_img_picture_preload.html
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'parser/htmlparser/tests/mochitest/file_img_picture_preload.html')
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diff --git a/parser/htmlparser/tests/mochitest/file_img_picture_preload.html b/parser/htmlparser/tests/mochitest/file_img_picture_preload.html
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+<!DOCTYPE html>
+<html>
+<!--
+ Helper for test_img_picture_preload.htm. Can be merged in to the test file
+ when dom.image.{picture,srcset} are removed and we don't need to do pref
+ flipping before the load.
+
+ https://bugzilla.mozilla.org/show_bug.cgi?id=1067345
+-->
+<head>
+ <title>Test for Bug 1067345</title>
+</head>
+<body onload="afterLoad();">
+ <script type="text/javascript">
+ var is = window.parent.is;
+ var ok = window.parent.ok;
+ var SimpleTest = window.parent.SimpleTest;
+ // Called with number of requests made
+ var notifyTestFinished = window.parent.childTestFinished;
+ var currentDPI = window.parent.currentDPI;
+
+ // This script is intentionally blocking the images below from
+ // loading. It issues sync XHRs to the sjs to wait for the files
+ // to be requested before unblocking DOM creation, then asserts
+ // that the same sources were selected by the preloader and the
+ // real DOM.
+
+ // Number of images to wait for before unblocking load
+ const EXPECTED_PRELOADS = 11;
+
+ function busyWait(waitms) {
+ var start = Date.now();
+ while (Date.now() < start + waitms);
+ }
+
+ // Send sync XHRs asking the sjs what images it's seen until we
+ // see EXPECTED_PRELOADS images. (If this test is timing out, you broke
+ // the preloader)
+ var preloadedImages = [];
+ while (preloadedImages.length < EXPECTED_PRELOADS) {
+ var request = new XMLHttpRequest();
+ request.open("GET", "./file_img_picture_preload.sjs?status", false);
+ request.send(null);
+ is(request.status, 200, "Getting status from sjs helper should succeed");
+ if (request.status === 200) {
+ preloadedImages = JSON.parse(request.responseText);
+ }
+ }
+
+ // Ensure the DOM is still blocked on us before proceeding
+ is(document.querySelector("img"), null, "No <img> elements should exist yet");
+ </script>
+
+ <!-- All images below will be checked, use sources of the format
+ ./file_img_picture_preload.sjs?imgName:sourceName
+ Update numImages when adding or removing images below -->
+
+ <!-- Basic src -->
+ <img id="img1"
+ src="./file_img_picture_preload.sjs?img1:source1">
+ <!-- Basic srcset, no src -->
+ <img id="img2"
+ srcset="./file_img_picture_preload.sjs?img2:source1, ./file_img_picture_preload.sjs?img2:source2 2x, ./file_img_picture_preload.sjs?img2:source3 0.5x">
+ <!-- srcset + src, srcset should shadow entirley -->
+ <img id="img3"
+ srcset="./file_img_picture_preload.sjs?img3:source1, ./file_img_picture_preload.sjs?img3:source2 2x, ./file_img_picture_preload.sjs?img3:source3 0.5x">
+ <!-- Ditto with sizes selector -->
+ <img id="img4"
+ sizes="50vw"
+ srcset="./file_img_picture_preload.sjs?img4:source1 500w, ./file_img_picture_preload.sjs?img4:source2 200w, ./file_img_picture_preload.sjs?img4:source3 5w">
+ <!-- Default source shouldn't be selected -->
+ <img id="img5"
+ srcset="./file_img_picture_preload.sjs?img5:source1, ./file_img_picture_preload.sjs?img5:source2 2x"
+ src="./file_img_picture_preload.sjs?img5:source3">
+ <!-- Default source should be the 1x source, but srcset for others -->
+ <img id="img6"
+ srcset="./file_img_picture_preload.sjs?img6:source1 0.5x, ./file_img_picture_preload.sjs?img6:source2 2x"
+ src="./file_img_picture_preload.sjs?img6:source3">
+
+ <!-- Ensure we skip various invalid sources -->
+ <picture>
+ <source type="image/png">
+ <source type="image/png" srcset="">
+ <source media="(min-width: 1px)">
+ <source media="(min-width: 1px)" srcset=" ">
+ <source type="invalid/x-bogus-type" srcset="./file_img_picture_preload.sjs?img7:source1">
+ <source media="(unknown-query-value-thing: 1000something)" srcset="./file_img_picture_preload.sjs?img7:source2">
+ <source media="(unknown-query-value-thing: 1000something)" srcset="bogus ./file_img_picture_preload.sjs?img7:source3 ./file_img_picture_preload.sjs?img7:source4">
+ <img id="img7" src="./file_img_picture_preload.sjs?img7:source5">
+ </picture>
+
+ <!-- Should select matching sources with known type, and shouldn't select later sources that have closer densities-->
+ <picture>
+ <source type="invalid/x-unsupported-image-type" srcset="./file_img_picture_preload.sjs?img8:source1">
+ <source type="image/png" srcset="./file_img_picture_preload.sjs?img8:source2 2x">
+ <source type="image/png" srcset="./file_img_picture_preload.sjs?img8:source3 1x">
+ <img id="img8" src="./file_img_picture_preload.sjs?img8:source4" srcset="./file_img_picture_preload.sjs?img8:source5 2x">
+ </picture>
+
+ <!-- Should select matching sources by media, and shouldn't select later sources that have closer densities -->
+ <picture>
+ <source media="(bogusxx)" srcset="./file_img_picture_preload.sjs?img9:source1">
+ <source media="(minimum-width: 1px)" srcset="./file_img_picture_preload.sjs?img9:source2 2x">
+ <source media="(max-resolution: 0.5dppx)" srcset="./file_img_picture_preload.sjs?img9:source3 1x">
+ <source media="(min-resolution: 2dppx)" srcset="./file_img_picture_preload.sjs?img9:source4 1x">
+ <source media="(min-resolution: 1dppx)" srcset="./file_img_picture_preload.sjs?img9:source5 1x">
+ <source media="(min-resolution: 1dppx)" srcset="./file_img_picture_preload.sjs?img9:source6 2x">
+ <img id="img9" src="./file_img_picture_preload.sjs?img9:source7" srcset="./file_img_picture_preload.sjs?img9:source8 2x">
+ </picture>
+
+ <!-- Make sure we consider sizes properly in sources -->
+ <picture>
+ <source type="image/png"
+ sizes="10px"
+ srcset="./file_img_picture_preload.sjs?img10:source1 10w, ./file_img_picture_preload.sjs?img10:source2 20w">
+ <img id="img10" src="./file_img_picture_preload.sjs?img10:source3">
+ </picture>
+
+ <!-- Make sure we consider sizes properly -->
+ <img id="img11" sizes="10px"
+ srcset="./file_img_picture_preload.sjs?img11:source1 10w, ./file_img_picture_preload.sjs?img11:source2 20w"
+ src="./file_img_picture_preload.sjs?img11:source3">
+
+ <script type="text/javascript">
+ function afterLoad() {
+ // All images should have picked a source of the format
+ // imgName:sourceName, ensure we have one source per image and
+ // that it was preloaded.
+
+ is(preloadedImages.length, EXPECTED_PRELOADS,
+ "Should have exactly " + EXPECTED_PRELOADS + " preloaded URLs");
+
+ // Split "imgName:source" sources we saw preload by img name
+ var preloadByName = {};
+ for (var preload of preloadedImages) {
+ var split = preload.split(":");
+ // Ensure we didn't preload two sources for the same image
+ ok(preloadByName[split[0]] === undefined,
+ "Should not have queried multiple sources for " + split[0] +
+ " (got " + split[1] + ", already had " + preloadByName[split[0]] + ")");
+ preloadByName[split[0]] = split[1];
+ }
+
+ // Check all images, ensure each one had a preload
+ var images = document.querySelectorAll("img");
+ for (var img of images) {
+ var imgName = img.id;
+ if (img.currentSrc) {
+ split = img.currentSrc.split("?")[1].split(":");
+ is(split[0], imgName,
+ "image " + imgName + " source matches element id");
+ is(split[1], preloadByName[imgName],
+ "image " + imgName + " source should match preloaded source");
+ // Remove from array
+ delete preloadByName[imgName];
+ } else {
+ // img loaded nothing
+ is(preloadByName[imgName], null,
+ "Should not have preloaded anything for image " + imgName);
+ }
+ }
+
+ notifyTestFinished(preloadedImages.length);
+ }
+ </script>
+</body>
+</html>
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-19 10:53:05 +0000