summaryrefslogtreecommitdiffstats
path: root/layout/generic/test/test_bug1499961.html
diff options
context:
space:
mode:
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 /layout/generic/test/test_bug1499961.html
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'layout/generic/test/test_bug1499961.html')
-rw-r--r--layout/generic/test/test_bug1499961.html409
1 files changed, 409 insertions, 0 deletions
diff --git a/layout/generic/test/test_bug1499961.html b/layout/generic/test/test_bug1499961.html
new file mode 100644
index 0000000000..60f166bab4
--- /dev/null
+++ b/layout/generic/test/test_bug1499961.html
@@ -0,0 +1,409 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1499961
+
+Some tests ported from IntersectionObserver/polyfill/intersection-observer-test.html
+
+Original license header:
+
+Copyright 2016 Google Inc. All Rights Reserved.
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+ http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+<head>
+ <meta charset="utf-8">
+ <title>Test for Bug 1499961</title>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body onload="onLoad()">
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1499961">Mozilla Bug 1499961</a>
+<p id="display"></p>
+<pre id="test">
+<script type="application/javascript">
+ /* eslint-disable no-shadow */
+ var tests = [];
+ var curDescribeMsg = '';
+ var curItMsg = '';
+
+ function beforeEach_fn() { };
+ function afterEach_fn() { };
+
+ function before(fn) {
+ fn();
+ }
+
+ function beforeEach(fn) {
+ beforeEach_fn = fn;
+ }
+
+ function afterEach(fn) {
+ afterEach_fn = fn;
+ }
+
+ function it(msg, fn) {
+ tests.push({
+ msg: `${msg} [${curDescribeMsg}]`,
+ fn: fn
+ });
+ }
+
+ var callbacks = [];
+ function callDelayed(fn) {
+ callbacks.push(fn);
+ }
+
+ requestAnimationFrame(function tick() {
+ var i = callbacks.length;
+ while (i--) {
+ var cb = callbacks[i];
+ SimpleTest.executeSoon(function() { SimpleTest.executeSoon(cb) });
+ callbacks.splice(i, 1);
+ }
+ requestAnimationFrame(tick);
+ });
+
+ function expect(val) {
+ return {
+ to: {
+ throwException: function (regexp) {
+ try {
+ val();
+ ok(false, `${curItMsg} - an exception should have beeen thrown`);
+ } catch (e) {
+ ok(regexp.test(e), `${curItMsg} - supplied regexp should match thrown exception`);
+ }
+ },
+ get be() {
+ var fn = function (expected) {
+ is(val, expected, curItMsg);
+ };
+ fn.ok = function () {
+ ok(val, curItMsg);
+ };
+ fn.greaterThan = function (other) {
+ ok(val > other, `${curItMsg} - ${val} should be greater than ${other}`);
+ };
+ fn.lessThan = function (other) {
+ ok(val < other, `${curItMsg} - ${val} should be less than ${other}`);
+ };
+ return fn;
+ },
+ eql: function (expected) {
+ if (Array.isArray(expected)) {
+ if (!Array.isArray(val)) {
+ ok(false, curItMsg, `${curItMsg} - should be an array,`);
+ return;
+ }
+ is(val.length, expected.length, curItMsg, `${curItMsg} - arrays should be the same length`);
+ if (expected.length != val.length) {
+ return;
+ }
+ for (var i = 0; i < expected.length; i++) {
+ is(val[i], expected[i], `${curItMsg} - array elements at position ${i} should be equal`);
+ if (expected[i] != val[i]) {
+ return;
+ }
+ }
+ ok(true);
+ }
+ },
+ }
+ }
+ }
+
+ function describe(msg, fn) {
+ curDescribeMsg = msg;
+ fn();
+ curDescribeMsg = '';
+ }
+
+ function next() {
+ var test = tests.shift();
+ if (test) {
+ console.log(test.msg);
+ curItMsg = test.msg;
+ var fn = test.fn;
+ beforeEach_fn();
+ if (fn.length) {
+ fn(function () {
+ afterEach_fn();
+ next();
+ });
+ } else {
+ fn();
+ afterEach_fn();
+ next();
+ }
+ } else {
+ SimpleTest.finish();
+ }
+ }
+
+ var sinon = {
+ spy: function () {
+ var callbacks = [];
+ var fn = function () {
+ fn.callCount++;
+ fn.lastCall = { args: arguments };
+ if (callbacks.length) {
+ callbacks.shift()();
+ }
+ };
+ fn.callCount = 0;
+ fn.lastCall = { args: [] };
+ fn.waitForNotification = (fn) => {
+ callbacks.push(fn);
+ };
+ return fn;
+ }
+ };
+
+ var ASYNC_TIMEOUT = 300;
+
+
+ var io;
+ var noop = function() {};
+
+
+ // References to DOM elements, which are accessible to any test
+ // and reset prior to each test so state isn't shared.
+ var rootEl;
+ var grandParentEl;
+ var parentEl;
+ var targetEl1;
+ var targetEl2;
+ var targetEl3;
+ var targetEl4;
+ var targetEl5;
+
+
+ describe('IntersectionObserver', function() {
+
+ before(function() {
+
+ });
+
+
+ beforeEach(function() {
+ addStyles();
+ addFixtures();
+ });
+
+
+ afterEach(function() {
+ if (io && 'disconnect' in io) io.disconnect();
+ io = null;
+
+ window.onmessage = null;
+
+ removeStyles();
+ removeFixtures();
+ });
+
+
+ describe('constructor', function() {
+
+ it('move iframe and check reflow', function(done) {
+
+ var spy = sinon.spy();
+ io = new IntersectionObserver(spy, {root: rootEl});
+
+ runSequence([
+ // Do a first change and wait for its intersection observer
+ // notification, to ensure one full reflow was completed.
+ function(done) {
+ targetEl1.style.top = '0px';
+ io.observe(targetEl1);
+ spy.waitForNotification(function() {
+ var records = sortRecords(spy.lastCall.args[0]);
+ expect(records.length).to.be(1);
+ expect(records[0].target).to.be(targetEl1);
+ done();
+ });
+ },
+ // Do another change, which may trigger an incremental reflow only.
+ function(done) {
+ targetEl4.style.top = '-20px';
+ targetEl4.style.left = '20px';
+ io.observe(targetEl4);
+ spy.waitForNotification(function() {
+ expect(spy.callCount).to.be(2);
+ var records = sortRecords(spy.lastCall.args[0]);
+ expect(records.length).to.be(1);
+ expect(records[0].target).to.be(targetEl4);
+ // After the iframe is moved, reflow should include its parent,
+ // even if the iframe is a reflow root.
+ // If moved correctly (outside of rootEl), the intersection ratio
+ // should now be 0.
+ expect(records[0].intersectionRatio).to.be(0);
+ done();
+ });
+ }
+ ], done);
+
+ });
+
+ });
+
+ });
+
+
+ /**
+ * Runs a sequence of function and when finished invokes the done callback.
+ * Each function in the sequence is invoked with its own done function and
+ * it should call that function once it's complete.
+ * @param {Array<Function>} functions An array of async functions.
+ * @param {Function} done A final callback to be invoked once all function
+ * have run.
+ */
+ function runSequence(functions, done) {
+ var next = functions.shift();
+ if (next) {
+ next(function() {
+ runSequence(functions, done);
+ });
+ } else {
+ done && done();
+ }
+ }
+
+
+ /**
+ * Sorts an array of records alphebetically by ascending ID. Since the current
+ * native implementation doesn't sort change entries by `observe` order, we do
+ * that ourselves for the non-polyfill case. Since all tests call observe
+ * on targets in sequential order, this should always match.
+ * https://crbug.com/613679
+ * @param {Array<IntersectionObserverEntry>} entries The entries to sort.
+ * @return {Array<IntersectionObserverEntry>} The sorted array.
+ */
+ function sortRecords(entries) {
+ entries = entries.sort(function(a, b) {
+ return a.target.id < b.target.id ? -1 : 1;
+ });
+ return entries;
+ }
+
+
+ /**
+ * Adds the common styles used by all tests to the page.
+ */
+ function addStyles() {
+ var styles = document.createElement('style');
+ styles.id = 'styles';
+ document.documentElement.appendChild(styles);
+
+ var cssText =
+ '#root {' +
+ ' position: relative;' +
+ ' width: 400px;' +
+ ' height: 200px;' +
+ ' background: #eee' +
+ '}' +
+ '#grand-parent {' +
+ ' position: relative;' +
+ ' width: 200px;' +
+ ' height: 200px;' +
+ '}' +
+ '#parent {' +
+ ' position: absolute;' +
+ ' top: 0px;' +
+ ' left: 200px;' +
+ ' overflow: hidden;' +
+ ' width: 200px;' +
+ ' height: 200px;' +
+ ' background: #ddd;' +
+ '}' +
+ '#target1, #target2, #target3, #target4 {' +
+ ' position: absolute;' +
+ ' top: 0px;' +
+ ' left: 0px;' +
+ ' width: 20px;' +
+ ' height: 20px;' +
+ ' transform: translateX(0px) translateY(0px);' +
+ ' transition: transform .5s;' +
+ ' background: #f00;' +
+ ' border: none;' +
+ '}';
+
+ styles.innerHTML = cssText;
+ }
+
+
+ /**
+ * Adds the DOM fixtures used by all tests to the page and assigns them to
+ * global variables so they can be referenced within the tests.
+ */
+ function addFixtures() {
+ var fixtures = document.createElement('div');
+ fixtures.id = 'fixtures';
+
+ fixtures.innerHTML =
+ '<div id="root">' +
+ ' <div id="grand-parent">' +
+ ' <div id="parent">' +
+ ' <div id="target1"></div>' +
+ ' <div id="target2"></div>' +
+ ' <div id="target3"></div>' +
+ ' <iframe id="target4"></iframe>' +
+ ' </div>' +
+ ' </div>' +
+ '</div>';
+
+ document.body.appendChild(fixtures);
+
+ rootEl = document.getElementById('root');
+ grandParentEl = document.getElementById('grand-parent');
+ parentEl = document.getElementById('parent');
+ targetEl1 = document.getElementById('target1');
+ targetEl2 = document.getElementById('target2');
+ targetEl3 = document.getElementById('target3');
+ targetEl4 = document.getElementById('target4');
+ }
+
+
+ /**
+ * Removes the common styles from the page.
+ */
+ function removeStyles() {
+ var styles = document.getElementById('styles');
+ styles.remove();
+ }
+
+
+ /**
+ * Removes the DOM fixtures from the page and resets the global references.
+ */
+ function removeFixtures() {
+ var fixtures = document.getElementById('fixtures');
+ fixtures.remove();
+
+ rootEl = null;
+ grandParentEl = null;
+ parentEl = null;
+ targetEl1 = null;
+ targetEl2 = null;
+ targetEl3 = null;
+ targetEl4 = null;
+ }
+
+ function onLoad() {
+ next();
+ }
+
+ SimpleTest.waitForExplicitFinish();
+</script>
+</pre>
+<div id="log">
+</div>
+</body>
+</html>