[css-flexbox] Move stretched-child-shrink-on-relayout.html test to WPT
This CL moves stretched-child-shrink-on-relayout.html test from
css3/css-flexbox to external/wpt/css/css-flexbox with WPT
styles, adding links to the relevant specs, and test description.
Bug: 1063749
Change-Id: Icfbab7a577ea707f7acd34135911477bdc9a7a73
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2130948
Reviewed-by: David Grogan <dgrogan@chromium.org>
Reviewed-by: Robert Ma <robertma@chromium.org>
Commit-Queue: Gyuyoung Kim <gyuyoung@igalia.com>
Cr-Commit-Position: refs/heads/master@{#755650}
diff --git a/css/css-flexbox/stretched-child-shrink-on-relayout.html b/css/css-flexbox/stretched-child-shrink-on-relayout.html
new file mode 100644
index 0000000..b427d7f
--- /dev/null
+++ b/css/css-flexbox/stretched-child-shrink-on-relayout.html
@@ -0,0 +1,77 @@
+<!DOCTYPE html>
+<title>CSS Flexbox: Shrink stretched child on relayout</title>
+<link rel="help" href="https://drafts.csswg.org/css-flexbox/#flex-property">
+<link rel="help" href="https://drafts.csswg.org/css-flexbox/#flex-flow-property">
+<meta name="assert" content="This ensures that flexbox shrinks stretched children after removing a sibling, in various writing-modes and flows.">
+<style>
+.flexbox {
+ display: flex;
+ background: papayawhip;
+ border: 1px solid midnightblue;
+ margin: 1em;
+ width: 50px;
+}
+
+.flexbox > div {
+ margin: 5px;
+ min-width: 10px;
+ min-height: 10px;
+ background-color: lawngreen;
+}
+
+.column {
+ flex-flow: column;
+}
+
+.horizontal-tb {
+ writing-mode: horizontal-tb;
+}
+.vertical-lr {
+ writing-mode: vertical-lr;
+}
+
+.largeitem {
+ height: 200px;
+ width: 200px;
+ margin: 5px;
+}
+</style>
+</head>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/check-layout-th.js"></script>
+<body onload="checkLayout('.flexbox')">
+<div id=log></div>
+
+<div class="flexbox">
+ <div data-expected-height=10 data-expected-width=10></div>
+ <div class="largeitem"></div>
+</div>
+<div class="flexbox column">
+ <div data-expected-height=10 data-expected-width=40></div>
+ <div class="largeitem"></div>
+</div>
+
+<div class="flexbox">
+ <div class="horizontal-tb" data-expected-height=10 data-expected-width=10></div>
+ <div class="largeitem"></div>
+</div>
+<div class="flexbox column">
+ <div class="horizontal-tb" data-expected-height=10 data-expected-width=40></div>
+ <div class="largeitem"></div>
+</div>
+<div class="flexbox">
+ <div class="vertical-lr" data-expected-height=10 data-expected-width=10></div>
+ <div class="largeitem"></div>
+</div>
+<div class="flexbox column">
+ <div class="vertical-lr" data-expected-height=10 data-expected-width=40></div>
+ <div class="largeitem"></div>
+</div>
+<script>
+document.body.offsetTop;
+var targets = document.getElementsByClassName('largeitem');
+for (var i = targets.length - 1; i >= 0; i--) {
+ targets[i].remove();
+};
+</script>
