1 files changed, 86 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-grid/stretch-grid-item-button-overflow-ref.html b/testing/web-platform/tests/css/css-grid/stretch-grid-item-button-overflow-ref.html
new file mode 100644
index 0000000000..a798dffe95
--- /dev/null
+++ b/testing/web-platform/tests/css/css-grid/stretch-grid-item-button-overflow-ref.html
@@ -0,0 +1,86 @@
+<!DOCTYPE HTML>
+<!--
+     Any copyright is dedicated to the Public Domain.
+     http://creativecommons.org/publicdomain/zero/1.0/
+-->
+<html><head>
+  <meta charset="utf-8">
+  <title>CSS Grid Reference: stretching overflow!=visible items</title>
+  <link rel="author" title="Mats Palmgren" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1348857">
+  <style>
+body,html { color:black; background:white; font:16px/1 monospace; padding:0; margin:0; }
+
+.grid {
+  display: inline-grid;
+  width: 100px;
+  height: 50px;
+  grid: 7px auto 3px / 7px auto 3px;
+  grid-gap: 5px;
+  border:1px solid;
+}
+
+.grid > * {
+  grid-area: 2/2;
+  border:1px solid;
+  appearance: none;
+  min-width:0;
+  min-height:0;
+  box-sizing: border-box;
+}
+
+.os {
+  /* Note: overflow:scroll does add scrollbars to the testcase's
+     empty buttons in some UAs, so we need to include this style
+     in the reference case to create a proper reference rendering
+     that's robust in the face of UAs that do/don't support
+     scrollable buttons. */
+  overflow: scroll;
+}
+.m  { margin: 17px 3px 5px 7px; }
+
+x { display:block; width:110px; height:5px; background:grey; }
+.h .grid x { width:5px; height:110px; }
+
+br { clear:both; }
+  </style>
+</head>
+<body>
+
+<div class="grid"><button class="oa"></button></div>
+<div class="grid"><button class="os"></button></div>
+<div class="grid"><button class="oh"></button></div>
+<div class="grid"><button class="ov"></button></div>
+<div class="grid"><button class="oc"></button></div>
+
+<br>
+
+<div class="grid"><button class="m oa"></button></div>
+<div class="grid"><button class="m os"></button></div>
+<div class="grid"><button class="m oh"></button></div>
+<div class="grid"><button class="m ov"></button></div>
+<div class="grid"><button class="m oc"></button></div>
+
+<br>
+
+<div class="h">
+
+<div class="grid"><button class="oa"></button></div>
+<div class="grid"><button class="os"></button></div>
+<div class="grid"><button class="oh"></button></div>
+<div class="grid"><button class="ov"></button></div>
+<div class="grid"><button class="oc"></button></div>
+
+<br>
+
+<div class="grid"><button class="m oa"></button></div>
+<div class="grid"><button class="m os"></button></div>
+<div class="grid"><button class="m oh"></button></div>
+<div class="grid"><button class="m ov"></button></div>
+<div class="grid"><button class="m oc"></button></div>
+
+<br>
+
+</div>
+
+</body>
+</html>