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diff --git a/testing/web-platform/tests/css/cssom/css-style-reparse.html b/testing/web-platform/tests/css/cssom/css-style-reparse.html
new file mode 100644
index 0000000000..d5153cf267
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+++ b/testing/web-platform/tests/css/cssom/css-style-reparse.html
@@ -0,0 +1,59 @@
+<!doctype html>
+<html>
+<head>
+  <meta charset=utf-8>
+  <title>CSS Test: DOM modification re-parsing test</title>
+  <link rel="help" href="https://drafts.csswg.org/cssom/">
+  <link rel="help" href="http://www.w3.org/TR/cssom-1/#the-cssrule-interface">
+  <script src=/resources/testharness.js></script>
+  <script src=/resources/testharnessreport.js></script>
+  <style>div { min-width: 0px; }</style>
+  <style id="style-element"></style>
+</head>
+<body>
+<div id="test-div"></div>
+<script type="text/javascript">
+    var style = document.getElementById("style-element");
+    var div = document.getElementById("test-div");
+
+    function testProperty(prop) {
+      // Assigning an empty string to textContent or innerHTML should trigger a
+      // reparse only if the element is not empty.
+      style.sheet.insertRule("#test-div { min-width: 42px; }");
+      assert_equals(getComputedStyle(div).minWidth, "42px");
+
+      style[prop] = "";
+      assert_equals(getComputedStyle(div).minWidth, "42px");
+
+      style[prop] = " ";
+      assert_equals(getComputedStyle(div).minWidth, "0px");
+
+      style.sheet.insertRule("#test-div { min-width: 42px; }");
+      assert_equals(getComputedStyle(div).minWidth, "42px");
+
+      style[prop] = "";
+      assert_equals(getComputedStyle(div).minWidth, "0px");
+
+      style.sheet.insertRule("#test-div { min-width: 42px; }");
+      assert_equals(getComputedStyle(div).minWidth, "42px");
+
+      style.appendChild(document.createTextNode(""));
+      assert_equals(getComputedStyle(div).minWidth, "0px");
+
+      style.sheet.insertRule("#test-div { min-width: 42px; }");
+      assert_equals(getComputedStyle(div).minWidth, "42px");
+
+      style[prop] = "";
+      assert_equals(getComputedStyle(div).minWidth, "0px");
+    }
+
+    test(function() {
+      testProperty("textContent");
+    }, "style.textContent modification");
+
+    test(function() {
+      testProperty("innerHTML");
+    }, "style.innerHTML modification");
+</script>
+</body>
+</html>