зеркало из https://github.com/mozilla/gecko-dev.git
195 строки
5.6 KiB
HTML
195 строки
5.6 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=666041
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-->
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<head>
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<meta charset="utf-8">
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<title>Test for Bug 666041</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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<style type="text/css">
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div.ref {
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display: none;
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height: 30px;
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}
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refA, refB, refC {
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display: block;
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float: left;
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}
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div#a, refA {
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background: lightgreen;
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width: 20px;
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height: 30px;
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}
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div#b, refB {
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background: orange;
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width: 30px;
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height: 30px;
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}
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div#c, refC {
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background: blue;
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width: 50px;
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height: 30px;
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}
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div#flexContainer {
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display: flex;
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width: 100px;
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height: 30px;
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}
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div#flexContainerParent {
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display: none;
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}
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</style>
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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=666041">Mozilla Bug 666041</a>
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<div id="display">
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<!-- Reference cases (display:none; only shown during initRefSnapshots) -->
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<div id="references">
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<div class="ref" id="abc"><refA></refA><refB></refB><refC></refC></div>
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<div class="ref" id="acb"><refA></refA><refC></refC><refB></refB></div>
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<div class="ref" id="bac"><refB></refB><refA></refA><refC></refC></div>
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<div class="ref" id="bca"><refB></refB><refC></refC><refA></refA></div>
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<div class="ref" id="cab"><refC></refC><refA></refA><refB></refB></div>
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<div class="ref" id="cba"><refC></refC><refB></refB><refA></refA></div>
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</div>
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<div id="flexContainerParent">
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<!-- The flex container that we'll be testing
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(its parent is display:none initially) -->
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<div id="flexContainer">
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<div id="a"></div>
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<div id="b"></div>
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<div id="c"></div>
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</div>
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</div>
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</div>
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<pre id="test">
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<script type="application/javascript">
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"use strict";
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/** Test for Bug 666041 **/
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/* This testcase ensures that we honor the "order" property when ordering
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* flex items within a flex container.
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*
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* Note: The items in this testcase don't overlap, so this testcase does _not_
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* test paint ordering. It only tests horizontal ordering in a flex container.
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*/
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// DATA
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// ----
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// This will store snapshots of our reference divs
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let gRefSnapshots = {};
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// These are the sets of 'order' values that we'll test.
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// The first three values in each array are the 'order' values that we'll
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// assign to elements a, b, and c (respectively). The final value in each
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// array is the ID of the expected reference rendering.
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let gOrderTestcases = [
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// The 6 basic permutations:
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[ 1, 2, 3, "abc"],
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[ 1, 3, 2, "acb"],
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[ 2, 1, 3, "bac"],
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[ 2, 3, 1, "cab"],
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[ 3, 1, 2, "bca"],
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[ 3, 2, 1, "cba"],
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// Test negative values
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[ 1, -5, -2, "bca"],
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[ -50, 0, -2, "acb"],
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// Non-integers should be ignored.
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// (So, they'll leave their div with the initial 'order' value, which is 0.)
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[ 1, 1.5, 2, "bac"],
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[ 2.5, 3.4, 1, "abc"],
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[ 0.5, 1, 1.5, "acb"],
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// Decimal values that happen to be equal to integers (e.g. "3.0") are still
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// <numbers>, and are _not_ <integers>.
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// Source: http://www.w3.org/TR/CSS21/syndata.html#value-def-integer
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// (So, they'll leave their div with the initial 'order' value, which is 0.)
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// (NOTE: We have to use quotes around "3.0" and "2.0" to be sure JS doesn't
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// coerce them into integers before we get a chance to set them in CSS.)
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[ "3.0", "2.0", "1.0", "abc"],
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[ 3, "2.0", 1, "bca"],
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];
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// FUNCTIONS
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// ---------
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function initRefSnapshots() {
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let refIds = ["abc", "acb", "bac", "bca", "cab", "cba"];
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for (let id of refIds) {
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let elem = document.getElementById(id);
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elem.style.display = "block";
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gRefSnapshots[id] = snapshotWindow(window, false);
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elem.style.display = "";
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}
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}
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function complainIfSnapshotsDiffer(aSnap1, aSnap2, aMsg) {
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let compareResult = compareSnapshots(aSnap1, aSnap2, true);
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ok(compareResult[0],
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"flex container rendering should match expected (" + aMsg +")");
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if (!compareResult[0]) {
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todo(false, "TESTCASE: " + compareResult[1]);
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todo(false, "REFERENCE: "+ compareResult[2]);
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}
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}
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function runOrderTestcase(aOrderTestcase) {
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// Sanity-check
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ok(Array.isArray(aOrderTestcase), "expecting testcase to be an array");
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is(aOrderTestcase.length, 4, "expecting testcase to have 4 elements");
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document.getElementById("a").style.order = aOrderTestcase[0];
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document.getElementById("b").style.order = aOrderTestcase[1];
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document.getElementById("c").style.order = aOrderTestcase[2];
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let snapshot = snapshotWindow(window, false);
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complainIfSnapshotsDiffer(snapshot, gRefSnapshots[aOrderTestcase[3]],
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aOrderTestcase);
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// Clean up
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for (let id of ["a", "b", "c"]) {
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document.getElementById(id).style.order = "";
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}
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}
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// Main Function
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function main() {
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initRefSnapshots();
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// un-hide the flex container's parent
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let flexContainerParent = document.getElementById("flexContainerParent");
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flexContainerParent.style.display = "block";
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// Initial sanity-check: should be in expected document order
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let initialSnapshot = snapshotWindow(window, false);
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complainIfSnapshotsDiffer(initialSnapshot, gRefSnapshots["abc"],
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"initial flex container rendering, " +
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"no 'order' value yet");
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// OK, now we run our tests
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gOrderTestcases.forEach(runOrderTestcase);
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// Re-hide the flex container at the end
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flexContainerParent.style.display = "";
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}
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main();
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</script>
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</pre>
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</body>
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</html>
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