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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 /layout/style/test/test_flexbox_order_abspos.html
parentInitial commit. (diff)
downloadfirefox-esr-upstream.tar.xz
firefox-esr-upstream.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1345873
+-->
+<head>
+ <meta charset="utf-8">
+ <title>Test for Bug 1345873</title>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <script src="/tests/SimpleTest/WindowSnapshot.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+ <style type="text/css">
+
+ div.ref {
+ display: none;
+ height: 30px;
+ }
+
+ refA, refB, refC {
+ display: block;
+ float: left;
+ }
+
+ div#a, refA {
+ background: lightgreen;
+ width: 20px;
+ height: 30px;
+ }
+ div#b, refB {
+ background: orange;
+ width: 30px;
+ height: 30px;
+ }
+ div#c, refC {
+ background: blue;
+ width: 50px;
+ height: 30px;
+ }
+ div#flexContainer {
+ display: flex;
+ width: 100px;
+ height: 30px;
+ }
+ div#flexContainerParent {
+ display: none;
+ }
+ .abs {
+ position: absolute !important;
+ width: 15px !important;
+ height: 15px !important;
+ }
+ </style>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1345873">Mozilla Bug 1345873</a>
+<div id="display">
+
+ <!-- Reference cases (display:none; only shown during initRefSnapshots) -->
+ <div id="references">
+ <div class="ref" id="abc"><refA></refA><refB></refB><refC></refC></div>
+ <div class="ref" id="Abc">
+ <refA class="abs"></refA><refB></refB><refC></refC></div>
+ <div class="ref" id="Bac">
+ <refB class="abs"></refB><refA></refA><refC></refC></div>
+ <div class="ref" id="Bca">
+ <refB class="abs"></refB><refC></refC><refA></refA></div>
+ <div class="ref" id="Cab">
+ <refC class="abs"></refC><refA></refA><refB></refB></div>
+ <div class="ref" id="ABc">
+ <refA class="abs"></refA><refB class="abs"></refB><refC></refC></div>
+ <div class="ref" id="ACb">
+ <refA class="abs"></refA><refC class="abs"></refC><refB></refB></div>
+ <div class="ref" id="BCa">
+ <refB class="abs"></refB><refC class="abs"></refC><refA></refA></div>
+ <div class="ref" id="ABC">
+ <refA class="abs"></refA><refB class="abs"></refB><refC class="abs"></refC></div>
+ </div>
+
+ <div id="flexContainerParent">
+ <!-- The flex container that we'll be testing
+ (its parent is display:none initially) -->
+ <div id="flexContainer">
+ <div id="a"></div>
+ <div id="b"></div>
+ <div id="c"></div>
+ </div>
+ </div>
+
+</div>
+<pre id="test">
+<script type="application/javascript">
+"use strict";
+
+/** Test for Bug 1345873 **/
+
+/* This testcase ensures that we honor the "order" property when ordering
+ * flex items within a flex container.
+ *
+ * Note: The items in this testcase don't overlap, so this testcase does _not_
+ * test paint ordering. It only tests horizontal ordering in a flex container.
+ */
+
+// DATA
+// ----
+
+// This will store snapshots of our reference divs
+let gRefSnapshots = {};
+
+// These are the sets of 'order' values that we'll test.
+// * The first three values in each array are the 'order' values that we'll
+// assign to elements a, b, and c (respectively).
+// * The next value is a string containing the concatenated IDs of any
+// elements that should be absolutely positioned.
+// * The final value in each array is the ID of the expected reference
+// rendering. (By convention, in those IDs, capital = abspos)
+var gOrderTestcases = [
+ // Just one child is abspos:
+ [ 1, 2, 3, "a", "Abc"],
+ [ 1, 2, 3, "b", "Bac"],
+ [ 1, 2, 3, "c", "Cab"],
+ [ 2, 3, 1, "b", "Bca"],
+ [ 3, 1, 1, "b", "Bca"],
+
+ // Two children are abspos:
+ // (Note: "order" doesn't influence position or paint order for abspos
+ // children - only for (in-flow) flex items.)
+ [ 1, 2, 3, "ab", "ABc"],
+ [ 2, 1, 3, "ab", "ABc"],
+ [ 1, 2, 3, "ac", "ACb"],
+ [ 3, 2, 1, "ac", "ACb"],
+ [ 3, 2, 1, "bc", "BCa"],
+
+ // All three children are abspos:
+ // (Rendering always the same regardless of "order" values)
+ [ 1, 2, 3, "abc", "ABC"],
+ [ 3, 1, 2, "abc", "ABC"],
+ [ 3, 2, 1, "abc", "ABC"],
+];
+
+// FUNCTIONS
+// ---------
+
+function initRefSnapshots() {
+ let refIds = ["abc",
+ "Abc", "Bac", "Bca", "Cab",
+ "ABc", "ACb", "BCa",
+ "ABC"];
+ for (let id of refIds) {
+ let elem = document.getElementById(id);
+ elem.style.display = "block";
+ gRefSnapshots[id] = snapshotWindow(window, false);
+ elem.style.display = "";
+ }
+}
+
+function complainIfSnapshotsDiffer(aSnap1, aSnap2, aMsg) {
+ let compareResult = compareSnapshots(aSnap1, aSnap2, true);
+ ok(compareResult[0],
+ "flex container rendering should match expected (" + aMsg +")");
+ if (!compareResult[0]) {
+ todo(false, "TESTCASE: " + compareResult[1]);
+ todo(false, "REFERENCE: "+ compareResult[2]);
+ }
+}
+
+function runOrderTestcase(aOrderTestcase) {
+ // Sanity-check
+ ok(Array.isArray(aOrderTestcase), "expecting testcase to be an array");
+ is(aOrderTestcase.length, 5, "expecting testcase to have 5 elements");
+
+ document.getElementById("a").style.order = aOrderTestcase[0];
+ document.getElementById("b").style.order = aOrderTestcase[1];
+ document.getElementById("c").style.order = aOrderTestcase[2];
+
+ let idsToMakeAbspos = aOrderTestcase[3].split("");
+ for (let absPosId of idsToMakeAbspos) {
+ document.getElementById(absPosId).classList.add("abs");
+ }
+
+ let snapshot = snapshotWindow(window, false);
+ complainIfSnapshotsDiffer(snapshot, gRefSnapshots[aOrderTestcase[4]],
+ aOrderTestcase);
+
+ // Clean up
+ for (let id of ["a", "b", "c"]) {
+ document.getElementById(id).style.order = "";
+ document.getElementById(id).classList.remove("abs");
+ }
+}
+
+// Main Function
+function main() {
+ initRefSnapshots();
+
+ // un-hide the flex container's parent
+ let flexContainerParent = document.getElementById("flexContainerParent");
+ flexContainerParent.style.display = "block";
+
+ // Initial sanity-check: should be in expected document order
+ let initialSnapshot = snapshotWindow(window, false);
+ complainIfSnapshotsDiffer(initialSnapshot, gRefSnapshots.abc,
+ "initial flex container rendering, " +
+ "no 'order' value yet");
+
+ // OK, now we run our tests
+ gOrderTestcases.forEach(runOrderTestcase);
+
+ // Re-hide the flex container at the end
+ flexContainerParent.style.display = "";
+}
+
+main();
+
+</script>
+</pre>
+</body>
+</html>
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