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diff --git a/testing/web-platform/tests/css/css-flexbox/flex-one-sets-flex-basis-to-zero-px.html b/testing/web-platform/tests/css/css-flexbox/flex-one-sets-flex-basis-to-zero-px.html
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+++ b/testing/web-platform/tests/css/css-flexbox/flex-one-sets-flex-basis-to-zero-px.html
@@ -0,0 +1,60 @@
+<!DOCTYPE html>
+<html>
+<title>CSS Flexbox: flex-basis with zero pixel</title>
+<link rel="help" href="https://drafts.csswg.org/css-flexbox/#flex-basis-property">
+<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
+<link href="support/flexbox.css" rel="stylesheet">
+<meta name="assert" content="This test ensures that setting 'flex-basis' property to
+zero pixel or percentage in combination with one value of both 'flex-grow' and 'flex-shrink'
+and 'writing-mode' value works properly.">
+<style>
+.flexbox > div {
+    font: 14px/1 Ahem;
+}
+
+.flex-one-one-zero-percent {
+    flex: 1 1 0%;
+    min-width: 0;
+    min-height: 0;
+}
+
+.flex-one-one-zero-px {
+    flex: 1 1 0px;
+    min-width: 0;
+    min-height: 0;
+}
+
+.vertical {
+    writing-mode: vertical-rl;
+}
+</style>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/resources/check-layout-th.js"></script>
+<body onload="document.fonts.ready.then(() => { checkLayout('.flexbox'); })">
+<div id=log></div>
+<div class="flexbox column">
+  <div class="flex-one" data-expected-height="14">Flex item with flex: 1</div>
+</div>
+
+<div class="flexbox column">
+  <div class="flex-one-one-zero-percent" data-expected-height="14">Flex item with flex: 1 1 0%</div>
+</div>
+
+<div class="flexbox column">
+  <div class="flex-one-one-zero-px" data-expected-height="0">Flex item with flex: 1 1 0px</div>
+</div>
+
+<div class="flexbox column vertical">
+  <div class="flex-one" data-expected-width="14">Flex item with flex: 1</div>
+</div>
+
+<div class="flexbox column vertical">
+  <div class="flex-one-one-zero-percent" data-expected-width="14">Flex item with flex: 1 1 0%</div>
+</div>
+
+<div class="flexbox column vertical">
+  <div class="flex-one-one-zero-px" data-expected-width="0">Flex item with flex: 1 1 0px</div>
+</div>
+</body>
+</html>