1 files changed, 14 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/rendering/replaced-elements/attributes-for-embedded-content-and-images/resources/aspect-ratio.js b/testing/web-platform/tests/html/rendering/replaced-elements/attributes-for-embedded-content-and-images/resources/aspect-ratio.js
new file mode 100644
index 0000000000..c6826f271a
--- /dev/null
+++ b/testing/web-platform/tests/html/rendering/replaced-elements/attributes-for-embedded-content-and-images/resources/aspect-ratio.js
@@ -0,0 +1,14 @@
+function test_computed_style_aspect_ratio(tag, attributes, expected) {
+  test(function() {
+    var elem = document.createElement(tag);
+    for (name in attributes) {
+      let val = attributes[name];
+      if (val !== null)
+        elem.setAttribute(name, val);
+    }
+    document.body.appendChild(elem);
+    let aspectRatio = getComputedStyle(elem).aspectRatio;
+    assert_equals(aspectRatio, expected);
+    elem.remove();
+  }, `Computed style test: ${tag} with ${JSON.stringify(attributes)}`);
+}