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+<!DOCTYPE html>
+<html>
+<title>CSS Flexbox: overflow:auto support.</title>
+<link rel="help" href="https://www.w3.org/TR/css-overflow-3/#propdef-overflow">
+<link rel="help" href="https://www.w3.org/TR/css-overflow-4/#classic-scrollbars">
+<link rel="match" href="reference/overflow-auto-005-ref.html">
+<meta name="fuzzy" content="0-3;0-3">
+<meta name="assert" content="This test ensures that flexbox with 'overflow: auto' is supported, including in combination with different writing-mode and flex-direction values."/>
+<style>
+.test-row {
+    display: flex;
+    margin-bottom: 5px;
+}
+.test-row > div {
+    flex: none;
+}
+
+.container {
+    margin-right: 5px;
+    border: 5px solid lightgreen;
+    width: 100px;
+}
+
+.horizontal-tb {
+    writing-mode: horizontal-tb;
+}
+
+.vertical-rl {
+    writing-mode: vertical-rl;
+}
+
+.vertical-lr {
+    writing-mode: vertical-lr;
+}
+
+.row {
+    flex-direction: row;
+}
+
+.row-reverse {
+    flex-direction: row-reverse;
+}
+
+.column {
+    flex-direction: column;
+}
+
+.column-reverse {
+    flex-direction: column-reverse;
+}
+
+.flexbox {
+    border: 0 solid pink;
+    display: flex;
+    height: 100px;
+    width: 100px;
+    overflow: auto;
+}
+
+.flexbox > div {
+    width: 200px;
+    height: 200px;
+    background: radial-gradient(at right 60%, red, yellow, green);
+    flex: none;
+}
+
+</style>
+<body>
+    <p>Scrollbars should work in all the flexboxes.</p>
+</body>
+<script>
+var writingModes = ['horizontal-tb', 'vertical-rl', 'vertical-lr'];
+var flexDirections = ['row', 'column', 'row-reverse', 'column-reverse'];
+var testContents = '';
+writingModes.forEach(function(writingMode) {
+    testContents += "<div class='test-row'>";
+    flexDirections.forEach(function(flexDirection) {
+        var containerClass = 'container ' + writingMode;
+        var flexboxClass = 'flexbox ' + flexDirection;
+        testContents +=
+            "<div class='" + containerClass + "'>" +
+            "<div class='" + flexboxClass + "'>" +
+            "<div></div>" +
+            "</div>" +
+            "</div>";
+    });
+    testContents += "</div>";
+});
+
+document.body.innerHTML += testContents;
+
+</script>
+</body>
+</html>