1 files changed, 30 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/fieldset-generated-content.html b/testing/web-platform/tests/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/fieldset-generated-content.html
new file mode 100644
index 0000000000..25a36bc42c
--- /dev/null
+++ b/testing/web-platform/tests/html/rendering/non-replaced-elements/the-fieldset-and-legend-elements/fieldset-generated-content.html
@@ -0,0 +1,30 @@
+<!doctype html>
+<title>fieldset generated content</title>
+<script src=/resources/testharness.js></script>
+<script src=/resources/testharnessreport.js></script>
+<link rel="stylesheet" href="/fonts/ahem.css">
+<style>
+body {
+  /* Use Ahem to avoid fractional letter widths. */
+  font: 20px/1 Ahem;
+}
+
+fieldset {
+  display: inline-block;
+  /* Paddings might have fractional values by default, and they can cause
+     rounding differences between the test element and the reference element. */
+  padding: 0;
+}
+
+#test::before, #test::after { content:"X"; }
+</style>
+<fieldset id=test><legend>A</legend>Y</fieldset>
+<fieldset id=ref><legend>A</legend>XYX</fieldset>
+<script>
+test(() => {
+  const testElm = document.querySelector('#test');
+  const refElm = document.querySelector('#ref');
+  assert_equals(testElm.clientWidth, refElm.clientWidth, 'clientWidth');
+  assert_equals(testElm.clientHeight, refElm.clientHeight, 'clientHeight');
+});
+</script>